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Linux Analysis Report
n7Nzys6TF5.elf

Overview

General Information

Sample name:n7Nzys6TF5.elf
renamed because original name is a hash value
Original sample name:10b93cb7ab56c399b8359cd8e71dfb90.elf
Analysis ID:1531065
MD5:10b93cb7ab56c399b8359cd8e71dfb90
SHA1:a210b19749d938d7876acb945375e7992077ddea
SHA256:8cf158f86dc0dbd183f6e380ca2ac18117e20f5bdaa683edcb5f5d3bed3a7241
Tags:32elfmirairenesas
Infos:

Detection

Mirai
Score:72
Range:0 - 100
Whitelisted:false

Signatures

Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Executes the "rm" command used to delete files or directories
Sample contains strings indicative of BusyBox which embeds multiple Unix commands in a single executable
Sample has stripped symbol table
Uses the "uname" system call to query kernel version information (possible evasion)
Yara signature match

Classification

Joe Sandbox version:41.0.0 Charoite
Analysis ID:1531065
Start date and time:2024-10-10 20:03:30 +02:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 20s
Hypervisor based Inspection enabled:false
Report type:full
Cookbook file name:defaultlinuxfilecookbook.jbs
Analysis system description:Ubuntu Linux 20.04 x64 (Kernel 5.4.0-72, Firefox 91.0, Evince Document Viewer 3.36.10, LibreOffice 6.4.7.2, OpenJDK 11.0.11)
Analysis Mode:default
Sample name:n7Nzys6TF5.elf
renamed because original name is a hash value
Original Sample Name:10b93cb7ab56c399b8359cd8e71dfb90.elf
Detection:MAL
Classification:mal72.troj.linELF@0/0@0/0
  • VT rate limit hit for: n7Nzys6TF5.elf
Command:/tmp/n7Nzys6TF5.elf
PID:5515
Exit Code:1
Exit Code Info:
Killed:False
Standard Output:

Standard Error:
  • system is lnxubuntu20
  • n7Nzys6TF5.elf (PID: 5515, Parent: 5439, MD5: 8943e5f8f8c280467b4472c15ae93ba9) Arguments: /tmp/n7Nzys6TF5.elf
  • dash New Fork (PID: 5555, Parent: 3670)
  • rm (PID: 5555, Parent: 3670, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.wzb3ueiOr7 /tmp/tmp.uaEUOMbJbC /tmp/tmp.T3QHwrztAq
  • dash New Fork (PID: 5556, Parent: 3670)
  • cat (PID: 5556, Parent: 3670, MD5: 7e9d213e404ad3bb82e4ebb2e1f2c1b3) Arguments: cat /tmp/tmp.wzb3ueiOr7
  • dash New Fork (PID: 5557, Parent: 3670)
  • head (PID: 5557, Parent: 3670, MD5: fd96a67145172477dd57131396fc9608) Arguments: head -n 10
  • dash New Fork (PID: 5558, Parent: 3670)
  • tr (PID: 5558, Parent: 3670, MD5: fbd1402dd9f72d8ebfff00ce7c3a7bb5) Arguments: tr -d \\000-\\011\\013\\014\\016-\\037
  • dash New Fork (PID: 5559, Parent: 3670)
  • cut (PID: 5559, Parent: 3670, MD5: d8ed0ea8f22c0de0f8692d4d9f1759d3) Arguments: cut -c -80
  • dash New Fork (PID: 5560, Parent: 3670)
  • cat (PID: 5560, Parent: 3670, MD5: 7e9d213e404ad3bb82e4ebb2e1f2c1b3) Arguments: cat /tmp/tmp.wzb3ueiOr7
  • dash New Fork (PID: 5561, Parent: 3670)
  • head (PID: 5561, Parent: 3670, MD5: fd96a67145172477dd57131396fc9608) Arguments: head -n 10
  • dash New Fork (PID: 5562, Parent: 3670)
  • tr (PID: 5562, Parent: 3670, MD5: fbd1402dd9f72d8ebfff00ce7c3a7bb5) Arguments: tr -d \\000-\\011\\013\\014\\016-\\037
  • dash New Fork (PID: 5563, Parent: 3670)
  • cut (PID: 5563, Parent: 3670, MD5: d8ed0ea8f22c0de0f8692d4d9f1759d3) Arguments: cut -c -80
  • dash New Fork (PID: 5564, Parent: 3670)
  • rm (PID: 5564, Parent: 3670, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.wzb3ueiOr7 /tmp/tmp.uaEUOMbJbC /tmp/tmp.T3QHwrztAq
  • cleanup
SourceRuleDescriptionAuthorStrings
n7Nzys6TF5.elfJoeSecurity_Mirai_8Yara detected MiraiJoe Security
    n7Nzys6TF5.elfLinux_Trojan_Gafgyt_28a2fe0cunknownunknown
    • 0x15e0c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    • 0x15e20:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    • 0x15e34:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    • 0x15e48:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    • 0x15e5c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    • 0x15e70:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    • 0x15e84:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    • 0x15e98:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    • 0x15eac:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    • 0x15ec0:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    • 0x15ed4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    • 0x15ee8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    • 0x15efc:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    • 0x15f10:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    • 0x15f24:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    • 0x15f38:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    • 0x15f4c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    • 0x15f60:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    • 0x15f74:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    • 0x15f88:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    • 0x15f9c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    n7Nzys6TF5.elfLinux_Trojan_Gafgyt_ea92cca8unknownunknown
    • 0x15ccc:$a: 53 65 6C 66 20 52 65 70 20 46 75 63 6B 69 6E 67 20 4E 65 54 69 53 20 61 6E 64
    SourceRuleDescriptionAuthorStrings
    5515.1.00007fb4c0400000.00007fb4c0418000.r-x.sdmpJoeSecurity_Mirai_8Yara detected MiraiJoe Security
      5515.1.00007fb4c0400000.00007fb4c0418000.r-x.sdmpLinux_Trojan_Gafgyt_28a2fe0cunknownunknown
      • 0x15e0c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      • 0x15e20:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      • 0x15e34:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      • 0x15e48:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      • 0x15e5c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      • 0x15e70:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      • 0x15e84:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      • 0x15e98:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      • 0x15eac:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      • 0x15ec0:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      • 0x15ed4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      • 0x15ee8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      • 0x15efc:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      • 0x15f10:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      • 0x15f24:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      • 0x15f38:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      • 0x15f4c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      • 0x15f60:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      • 0x15f74:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      • 0x15f88:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      • 0x15f9c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      5515.1.00007fb4c0400000.00007fb4c0418000.r-x.sdmpLinux_Trojan_Gafgyt_ea92cca8unknownunknown
      • 0x15ccc:$a: 53 65 6C 66 20 52 65 70 20 46 75 63 6B 69 6E 67 20 4E 65 54 69 53 20 61 6E 64
      Process Memory Space: n7Nzys6TF5.elf PID: 5515JoeSecurity_Mirai_8Yara detected MiraiJoe Security
        Process Memory Space: n7Nzys6TF5.elf PID: 5515Linux_Trojan_Gafgyt_28a2fe0cunknownunknown
        • 0x7440:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x7454:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x7468:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x747c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x7490:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x74a4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x74b8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x74cc:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x74e0:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x74f4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x7508:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x751c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x7530:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x7544:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x7558:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x756c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x7580:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x7594:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x75a8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x75bc:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x75d0:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        Click to see the 1 entries
        No Suricata rule has matched

        Click to jump to signature section

        Show All Signature Results

        AV Detection

        barindex
        Source: n7Nzys6TF5.elfAvira: detected
        Source: n7Nzys6TF5.elfReversingLabs: Detection: 63%
        Source: unknownHTTPS traffic detected: 54.171.230.55:443 -> 192.168.2.15:60058 version: TLS 1.2
        Source: unknownTCP traffic detected without corresponding DNS query: 54.171.230.55
        Source: unknownTCP traffic detected without corresponding DNS query: 54.171.230.55
        Source: unknownTCP traffic detected without corresponding DNS query: 54.171.230.55
        Source: unknownTCP traffic detected without corresponding DNS query: 54.171.230.55
        Source: unknownTCP traffic detected without corresponding DNS query: 54.171.230.55
        Source: unknownTCP traffic detected without corresponding DNS query: 54.171.230.55
        Source: unknownTCP traffic detected without corresponding DNS query: 54.171.230.55
        Source: unknownTCP traffic detected without corresponding DNS query: 54.171.230.55
        Source: unknownTCP traffic detected without corresponding DNS query: 54.171.230.55
        Source: unknownNetwork traffic detected: HTTP traffic on port 60058 -> 443
        Source: unknownNetwork traffic detected: HTTP traffic on port 443 -> 60058
        Source: unknownHTTPS traffic detected: 54.171.230.55:443 -> 192.168.2.15:60058 version: TLS 1.2

        System Summary

        barindex
        Source: n7Nzys6TF5.elf, type: SAMPLEMatched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
        Source: n7Nzys6TF5.elf, type: SAMPLEMatched rule: Linux_Trojan_Gafgyt_ea92cca8 Author: unknown
        Source: 5515.1.00007fb4c0400000.00007fb4c0418000.r-x.sdmp, type: MEMORYMatched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
        Source: 5515.1.00007fb4c0400000.00007fb4c0418000.r-x.sdmp, type: MEMORYMatched rule: Linux_Trojan_Gafgyt_ea92cca8 Author: unknown
        Source: Process Memory Space: n7Nzys6TF5.elf PID: 5515, type: MEMORYSTRMatched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
        Source: Process Memory Space: n7Nzys6TF5.elf PID: 5515, type: MEMORYSTRMatched rule: Linux_Trojan_Gafgyt_ea92cca8 Author: unknown
        Source: Initial sampleString containing 'busybox' found: /bin/busybox
        Source: Initial sampleString containing 'busybox' found: /bin/busybox/usr/lib/systemd/systemd/usr/libexec/openssh/sftp-serverusr/shellmnt/sys/bin/boot/media/srv/var/run/sbin/lib/etc/dev/telnetsshwatchdogsshd/usr/compress/bin//compress/bin/compress/usr/bashmain_x86main_x86_64main_mipsmain_mipselmain_armmain_arm5main_arm6main_arm7main_ppcmain_m68kmain_sh4main_spchttpdtelnetddropbearropbearencodersystem/root/dvr_gui//root/dvr_app//anko-app//opt//tmp/var/mnt/boot/home/dev/..//root(deleted)/proc/self/exe
        Source: ELF static info symbol of initial sample.symtab present: no
        Source: n7Nzys6TF5.elf, type: SAMPLEMatched rule: Linux_Trojan_Gafgyt_28a2fe0c os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = a2c6beaec18ca876e8487c11bcc7a29279669588aacb7d3027d8d8df8f5bcead, id = 28a2fe0c-eed5-4c79-81e6-3b11b73a4ebd, last_modified = 2021-09-16
        Source: n7Nzys6TF5.elf, type: SAMPLEMatched rule: Linux_Trojan_Gafgyt_ea92cca8 os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = aa4aee9f3d6bedd8234eaf8778895a0f5d71c42b21f2a428f01f121e85704e8e, id = ea92cca8-bba7-4a1c-9b88-a2d051ad0021, last_modified = 2021-09-16
        Source: 5515.1.00007fb4c0400000.00007fb4c0418000.r-x.sdmp, type: MEMORYMatched rule: Linux_Trojan_Gafgyt_28a2fe0c os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = a2c6beaec18ca876e8487c11bcc7a29279669588aacb7d3027d8d8df8f5bcead, id = 28a2fe0c-eed5-4c79-81e6-3b11b73a4ebd, last_modified = 2021-09-16
        Source: 5515.1.00007fb4c0400000.00007fb4c0418000.r-x.sdmp, type: MEMORYMatched rule: Linux_Trojan_Gafgyt_ea92cca8 os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = aa4aee9f3d6bedd8234eaf8778895a0f5d71c42b21f2a428f01f121e85704e8e, id = ea92cca8-bba7-4a1c-9b88-a2d051ad0021, last_modified = 2021-09-16
        Source: Process Memory Space: n7Nzys6TF5.elf PID: 5515, type: MEMORYSTRMatched rule: Linux_Trojan_Gafgyt_28a2fe0c os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = a2c6beaec18ca876e8487c11bcc7a29279669588aacb7d3027d8d8df8f5bcead, id = 28a2fe0c-eed5-4c79-81e6-3b11b73a4ebd, last_modified = 2021-09-16
        Source: Process Memory Space: n7Nzys6TF5.elf PID: 5515, type: MEMORYSTRMatched rule: Linux_Trojan_Gafgyt_ea92cca8 os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = aa4aee9f3d6bedd8234eaf8778895a0f5d71c42b21f2a428f01f121e85704e8e, id = ea92cca8-bba7-4a1c-9b88-a2d051ad0021, last_modified = 2021-09-16
        Source: classification engineClassification label: mal72.troj.linELF@0/0@0/0
        Source: /usr/bin/dash (PID: 5555)Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.wzb3ueiOr7 /tmp/tmp.uaEUOMbJbC /tmp/tmp.T3QHwrztAqJump to behavior
        Source: /usr/bin/dash (PID: 5564)Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.wzb3ueiOr7 /tmp/tmp.uaEUOMbJbC /tmp/tmp.T3QHwrztAqJump to behavior
        Source: /tmp/n7Nzys6TF5.elf (PID: 5515)Queries kernel information via 'uname': Jump to behavior
        Source: n7Nzys6TF5.elf, 5515.1.00007fff4b579000.00007fff4b59a000.rw-.sdmpBinary or memory string: /usr/bin/qemu-sh4
        Source: n7Nzys6TF5.elf, 5515.1.00007fff4b579000.00007fff4b59a000.rw-.sdmpBinary or memory string: x86_64/usr/bin/qemu-sh4/tmp/n7Nzys6TF5.elfSUDO_USER=saturninoPATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/binDISPLAY=:1.0XAUTHORITY=/run/user/1000/gdm/XauthoritySUDO_UID=1000TERM=xterm-256colorCOLORTERM=truecolorLOGNAME=rootUSER=rootLANG=en_US.UTF-8SUDO_COMMAND=/bin/bashHOME=/rootMAIL=/var/mail/rootSUDO_GID=1000SHELL=/bin/bash/tmp/n7Nzys6TF5.elf
        Source: n7Nzys6TF5.elf, 5515.1.0000560897b8d000.0000560897bf0000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/sh4
        Source: n7Nzys6TF5.elf, 5515.1.0000560897b8d000.0000560897bf0000.rw-.sdmpBinary or memory string: V5!/etc/qemu-binfmt/sh4

        Stealing of Sensitive Information

        barindex
        Source: Yara matchFile source: n7Nzys6TF5.elf, type: SAMPLE
        Source: Yara matchFile source: 5515.1.00007fb4c0400000.00007fb4c0418000.r-x.sdmp, type: MEMORY
        Source: Yara matchFile source: Process Memory Space: n7Nzys6TF5.elf PID: 5515, type: MEMORYSTR

        Remote Access Functionality

        barindex
        Source: Yara matchFile source: n7Nzys6TF5.elf, type: SAMPLE
        Source: Yara matchFile source: 5515.1.00007fb4c0400000.00007fb4c0418000.r-x.sdmp, type: MEMORY
        Source: Yara matchFile source: Process Memory Space: n7Nzys6TF5.elf PID: 5515, type: MEMORYSTR
        ReconnaissanceResource DevelopmentInitial AccessExecutionPersistencePrivilege EscalationDefense EvasionCredential AccessDiscoveryLateral MovementCollectionCommand and ControlExfiltrationImpact
        Gather Victim Identity InformationAcquire InfrastructureValid AccountsWindows Management InstrumentationPath InterceptionPath Interception1
        File Deletion
        OS Credential Dumping11
        Security Software Discovery
        Remote ServicesData from Local System1
        Encrypted Channel
        Exfiltration Over Other Network MediumAbuse Accessibility Features
        CredentialsDomainsDefault AccountsScheduled Task/JobBoot or Logon Initialization ScriptsBoot or Logon Initialization ScriptsRootkitLSASS MemoryApplication Window DiscoveryRemote Desktop ProtocolData from Removable Media1
        Application Layer Protocol
        Exfiltration Over BluetoothNetwork Denial of Service
        No configs have been found
        Hide Legend

        Legend:

        • Process
        • Signature
        • Created File
        • DNS/IP Info
        • Is Dropped
        • Number of created Files
        • Is malicious
        • Internet

        This section contains all screenshots as thumbnails, including those not shown in the slideshow.


        windows-stand
        SourceDetectionScannerLabelLink
        n7Nzys6TF5.elf63%ReversingLabsLinux.Trojan.Mirai
        n7Nzys6TF5.elf100%AviraEXP/ELF.Mirai.Z.A
        No Antivirus matches
        No Antivirus matches
        No Antivirus matches
        No contacted domains info
        • No. of IPs < 25%
        • 25% < No. of IPs < 50%
        • 50% < No. of IPs < 75%
        • 75% < No. of IPs
        IPDomainCountryFlagASNASN NameMalicious
        54.171.230.55
        unknownUnited States
        16509AMAZON-02USfalse
        MatchAssociated Sample Name / URLSHA 256DetectionThreat NameLinkContext
        54.171.230.55R3AhFxlB5h.elfGet hashmaliciousUnknownBrowse
          na.elfGet hashmaliciousUnknownBrowse
            IwoeBDAv8n.elfGet hashmaliciousGafgytBrowse
              na.elfGet hashmaliciousMirai, Gafgyt, OkiruBrowse
                na.elfGet hashmaliciousMirai, MoobotBrowse
                  bot.mpsl.elfGet hashmaliciousMirai, Gafgyt, OkiruBrowse
                    novo.arm5.elfGet hashmaliciousMoobotBrowse
                      x86_32.nn.elfGet hashmaliciousOkiruBrowse
                        x86_64.nn.elfGet hashmaliciousOkiruBrowse
                          arm.nn.elfGet hashmaliciousOkiruBrowse
                            No context
                            MatchAssociated Sample Name / URLSHA 256DetectionThreat NameLinkContext
                            AMAZON-02UShttps://mb3.io/y6jt3ofcGet hashmaliciousUnknownBrowse
                            • 13.33.187.74
                            https://www.canva.com/design/DAGTGtfEYnw/CziuYyD8EEWyTr61OD4BbQ/edit?utm_content=DAGTGtfEYnw&utm_campaign=designshare&utm_medium=link2&utm_source=sharebuttoGet hashmaliciousHtmlDropperBrowse
                            • 75.2.57.54
                            file.exeGet hashmaliciousCredential FlusherBrowse
                            • 52.222.236.120
                            rrfVaSCIYc.elfGet hashmaliciousMiraiBrowse
                            • 18.150.229.102
                            file.exeGet hashmaliciousCredential FlusherBrowse
                            • 52.222.236.23
                            vEOTtk6FeG.elfGet hashmaliciousMiraiBrowse
                            • 44.229.110.178
                            RFNnJGB7wy.elfGet hashmaliciousMiraiBrowse
                            • 35.77.228.176
                            36.msiGet hashmaliciousNumandoBrowse
                            • 3.67.231.10
                            https://magical-variation-300980.framer.app/Get hashmaliciousUnknownBrowse
                            • 108.138.7.90
                            https://load.alisonball.com.auGet hashmaliciousUnknownBrowse
                            • 76.76.21.21
                            No context
                            No context
                            No created / dropped files found
                            File type:ELF 32-bit LSB executable, Renesas SH, version 1 (SYSV), statically linked, stripped
                            Entropy (8bit):6.246403099736415
                            TrID:
                            • ELF Executable and Linkable format (generic) (4004/1) 100.00%
                            File name:n7Nzys6TF5.elf
                            File size:117'568 bytes
                            MD5:10b93cb7ab56c399b8359cd8e71dfb90
                            SHA1:a210b19749d938d7876acb945375e7992077ddea
                            SHA256:8cf158f86dc0dbd183f6e380ca2ac18117e20f5bdaa683edcb5f5d3bed3a7241
                            SHA512:037b64a33e7428ad499462064df44d5a999c3075cb8b64a395c7338c874f9c9a4ca5fbf9275e777fcdbdb7a215188f99f13c4e726f2f5c6133a26d651ced7b62
                            SSDEEP:1536:WTW/VCxsHZuss2Li62C8vqKTR5/PPVGAto2WszrW+TNe7m:WytCxssx62NFT7VG92Wcrbwq
                            TLSH:FAB35BB3DC26AF98C655D074B0B08FB92F53A59482471FBE19B6C2B44443D8DFA05BB8
                            File Content Preview:.ELF..............*.......@.4...........4. ...(...............@...@.`~..`~....................B...B.DI..x...........Q.td............................././"O.n........#.*@........#.*@.U...o&O.n...l..............................././.../.a"O.!...n...a.b("...q.

                            ELF header

                            Class:ELF32
                            Data:2's complement, little endian
                            Version:1 (current)
                            Machine:<unknown>
                            Version Number:0x1
                            Type:EXEC (Executable file)
                            OS/ABI:UNIX - System V
                            ABI Version:0
                            Entry Point Address:0x4001a0
                            Flags:0x9
                            ELF Header Size:52
                            Program Header Offset:52
                            Program Header Size:32
                            Number of Program Headers:3
                            Section Header Offset:117128
                            Section Header Size:40
                            Number of Section Headers:11
                            Header String Table Index:10
                            NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
                            NULL0x00x00x00x00x0000
                            .initPROGBITS0x4000940x940x300x00x6AX004
                            .textPROGBITS0x4000e00xe00x155200x00x6AX0032
                            .finiPROGBITS0x4156000x156000x240x00x6AX004
                            .rodataPROGBITS0x4156240x156240x283c0x00x2A004
                            .ctorsPROGBITS0x4280000x180000xc0x00x3WA004
                            .dtorsPROGBITS0x42800c0x1800c0x80x00x3WA004
                            .dataPROGBITS0x4280200x180200x49100x00x3WA0032
                            .gotPROGBITS0x42c9300x1c9300x140x40x3WA004
                            .bssNOBITS0x42c9440x1c9440x56340x00x3WA004
                            .shstrtabSTRTAB0x00x1c9440x430x00x0001
                            TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
                            LOAD0x00x4000000x4000000x17e600x17e606.94300x5R E0x10000.init .text .fini .rodata
                            LOAD0x180000x4280000x4280000x49440x9f780.42300x6RW 0x10000.ctors .dtors .data .got .bss
                            GNU_STACK0x00x00x00x00x00.00000x7RWE0x4
                            TimestampSource PortDest PortSource IPDest IP
                            Oct 10, 2024 20:04:32.661540985 CEST4436005854.171.230.55192.168.2.15
                            Oct 10, 2024 20:04:32.661819935 CEST4436005854.171.230.55192.168.2.15
                            Oct 10, 2024 20:04:32.661854029 CEST4436005854.171.230.55192.168.2.15
                            Oct 10, 2024 20:04:32.661850929 CEST60058443192.168.2.1554.171.230.55
                            Oct 10, 2024 20:04:32.661930084 CEST60058443192.168.2.1554.171.230.55
                            Oct 10, 2024 20:04:32.661931038 CEST60058443192.168.2.1554.171.230.55
                            Oct 10, 2024 20:04:32.664378881 CEST60058443192.168.2.1554.171.230.55
                            Oct 10, 2024 20:04:32.669244051 CEST4436005854.171.230.55192.168.2.15
                            Oct 10, 2024 20:04:32.853121996 CEST4436005854.171.230.55192.168.2.15
                            Oct 10, 2024 20:04:32.853262901 CEST60058443192.168.2.1554.171.230.55
                            Oct 10, 2024 20:04:32.853646994 CEST60058443192.168.2.1554.171.230.55
                            Oct 10, 2024 20:04:32.858659983 CEST4436005854.171.230.55192.168.2.15
                            Oct 10, 2024 20:04:33.291455984 CEST4436005854.171.230.55192.168.2.15
                            Oct 10, 2024 20:04:33.291642904 CEST60058443192.168.2.1554.171.230.55
                            Oct 10, 2024 20:04:33.293956041 CEST60058443192.168.2.1554.171.230.55
                            Oct 10, 2024 20:04:33.299458981 CEST4436005854.171.230.55192.168.2.15
                            Oct 10, 2024 20:04:33.299540043 CEST60058443192.168.2.1554.171.230.55
                            TimestampSource IPSource PortDest IPDest PortSubjectIssuerNot BeforeNot AfterJA3 SSL Client FingerprintJA3 SSL Client Digest
                            Oct 10, 2024 20:04:32.661854029 CEST54.171.230.55443192.168.2.1560058CN=motd.ubuntu.com CN=R10, O=Let's Encrypt, C=USCN=R10, O=Let's Encrypt, C=US CN=ISRG Root X1, O=Internet Security Research Group, C=USTue Aug 06 10:27:48 CEST 2024 Wed Mar 13 01:00:00 CET 2024Mon Nov 04 09:27:47 CET 2024 Sat Mar 13 00:59:59 CET 2027
                            CN=R10, O=Let's Encrypt, C=USCN=ISRG Root X1, O=Internet Security Research Group, C=USWed Mar 13 01:00:00 CET 2024Sat Mar 13 00:59:59 CET 2027

                            System Behavior

                            Start time (UTC):18:04:10
                            Start date (UTC):10/10/2024
                            Path:/tmp/n7Nzys6TF5.elf
                            Arguments:/tmp/n7Nzys6TF5.elf
                            File size:4139976 bytes
                            MD5 hash:8943e5f8f8c280467b4472c15ae93ba9

                            Start time (UTC):18:04:32
                            Start date (UTC):10/10/2024
                            Path:/usr/bin/dash
                            Arguments:-
                            File size:129816 bytes
                            MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                            Start time (UTC):18:04:32
                            Start date (UTC):10/10/2024
                            Path:/usr/bin/rm
                            Arguments:rm -f /tmp/tmp.wzb3ueiOr7 /tmp/tmp.uaEUOMbJbC /tmp/tmp.T3QHwrztAq
                            File size:72056 bytes
                            MD5 hash:aa2b5496fdbfd88e38791ab81f90b95b

                            Start time (UTC):18:04:32
                            Start date (UTC):10/10/2024
                            Path:/usr/bin/dash
                            Arguments:-
                            File size:129816 bytes
                            MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                            Start time (UTC):18:04:32
                            Start date (UTC):10/10/2024
                            Path:/usr/bin/cat
                            Arguments:cat /tmp/tmp.wzb3ueiOr7
                            File size:43416 bytes
                            MD5 hash:7e9d213e404ad3bb82e4ebb2e1f2c1b3

                            Start time (UTC):18:04:32
                            Start date (UTC):10/10/2024
                            Path:/usr/bin/dash
                            Arguments:-
                            File size:129816 bytes
                            MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                            Start time (UTC):18:04:32
                            Start date (UTC):10/10/2024
                            Path:/usr/bin/head
                            Arguments:head -n 10
                            File size:47480 bytes
                            MD5 hash:fd96a67145172477dd57131396fc9608

                            Start time (UTC):18:04:32
                            Start date (UTC):10/10/2024
                            Path:/usr/bin/dash
                            Arguments:-
                            File size:129816 bytes
                            MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                            Start time (UTC):18:04:32
                            Start date (UTC):10/10/2024
                            Path:/usr/bin/tr
                            Arguments:tr -d \\000-\\011\\013\\014\\016-\\037
                            File size:51544 bytes
                            MD5 hash:fbd1402dd9f72d8ebfff00ce7c3a7bb5

                            Start time (UTC):18:04:32
                            Start date (UTC):10/10/2024
                            Path:/usr/bin/dash
                            Arguments:-
                            File size:129816 bytes
                            MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                            Start time (UTC):18:04:32
                            Start date (UTC):10/10/2024
                            Path:/usr/bin/cut
                            Arguments:cut -c -80
                            File size:47480 bytes
                            MD5 hash:d8ed0ea8f22c0de0f8692d4d9f1759d3

                            Start time (UTC):18:04:32
                            Start date (UTC):10/10/2024
                            Path:/usr/bin/dash
                            Arguments:-
                            File size:129816 bytes
                            MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                            Start time (UTC):18:04:32
                            Start date (UTC):10/10/2024
                            Path:/usr/bin/cat
                            Arguments:cat /tmp/tmp.wzb3ueiOr7
                            File size:43416 bytes
                            MD5 hash:7e9d213e404ad3bb82e4ebb2e1f2c1b3

                            Start time (UTC):18:04:32
                            Start date (UTC):10/10/2024
                            Path:/usr/bin/dash
                            Arguments:-
                            File size:129816 bytes
                            MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                            Start time (UTC):18:04:32
                            Start date (UTC):10/10/2024
                            Path:/usr/bin/head
                            Arguments:head -n 10
                            File size:47480 bytes
                            MD5 hash:fd96a67145172477dd57131396fc9608

                            Start time (UTC):18:04:32
                            Start date (UTC):10/10/2024
                            Path:/usr/bin/dash
                            Arguments:-
                            File size:129816 bytes
                            MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                            Start time (UTC):18:04:32
                            Start date (UTC):10/10/2024
                            Path:/usr/bin/tr
                            Arguments:tr -d \\000-\\011\\013\\014\\016-\\037
                            File size:51544 bytes
                            MD5 hash:fbd1402dd9f72d8ebfff00ce7c3a7bb5

                            Start time (UTC):18:04:32
                            Start date (UTC):10/10/2024
                            Path:/usr/bin/dash
                            Arguments:-
                            File size:129816 bytes
                            MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                            Start time (UTC):18:04:32
                            Start date (UTC):10/10/2024
                            Path:/usr/bin/cut
                            Arguments:cut -c -80
                            File size:47480 bytes
                            MD5 hash:d8ed0ea8f22c0de0f8692d4d9f1759d3

                            Start time (UTC):18:04:32
                            Start date (UTC):10/10/2024
                            Path:/usr/bin/dash
                            Arguments:-
                            File size:129816 bytes
                            MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                            Start time (UTC):18:04:32
                            Start date (UTC):10/10/2024
                            Path:/usr/bin/rm
                            Arguments:rm -f /tmp/tmp.wzb3ueiOr7 /tmp/tmp.uaEUOMbJbC /tmp/tmp.T3QHwrztAq
                            File size:72056 bytes
                            MD5 hash:aa2b5496fdbfd88e38791ab81f90b95b