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Linux Analysis Report
re.bot.mips.elf

Overview

General Information

Sample name:re.bot.mips.elf
Analysis ID:1640131
MD5:3ce753cbbb51cd3080f723e582df341b
SHA1:e4ce4094a67de40a81822b69ef162f8402aec7eb
SHA256:1f68cc875bb403f8abf495b4c032572ad93b79304e89f4750a2e12f2b820586e
Tags:elfuser-abuse_ch
Infos:

Detection

Score:56
Range:0 - 100

Signatures

Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Executes the "rm" command used to delete files or directories
Sample has stripped symbol table
Uses the "uname" system call to query kernel version information (possible evasion)

Classification

RansomwareSpreadingPhishingBankerTrojan / BotAdwareSpywareExploiterEvaderMinercleansuspiciousmalicious
Joe Sandbox version:42.0.0 Malachite
Analysis ID:1640131
Start date and time:2025-03-17 01:16:24 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 21s
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:re.bot.mips.elf
Detection:MAL
Classification:mal56.linELF@0/0@2/0
Command:/tmp/re.bot.mips.elf
PID:5515
Exit Code:139
Exit Code Info:SIGSEGV (11) Segmentation fault invalid memory reference
Killed:False
Standard Output:

Standard Error:qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  • system is lnxubuntu20
  • re.bot.mips.elf (PID: 5515, Parent: 5439, MD5: 0083f1f0e77be34ad27f849842bbb00c) Arguments: /tmp/re.bot.mips.elf
  • dash New Fork (PID: 5584, Parent: 3671)
  • rm (PID: 5584, Parent: 3671, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.WuLlTifCKf /tmp/tmp.JrL5bscL9y /tmp/tmp.XAyaH5t3HF
  • dash New Fork (PID: 5585, Parent: 3671)
  • rm (PID: 5585, Parent: 3671, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.WuLlTifCKf /tmp/tmp.JrL5bscL9y /tmp/tmp.XAyaH5t3HF
  • cleanup
No yara matches
No Suricata rule has matched

Click to jump to signature section

Show All Signature Results

AV Detection

barindex
Source: re.bot.mips.elfAvira: detected
Source: re.bot.mips.elfVirustotal: Detection: 7%Perma Link
Source: re.bot.mips.elfReversingLabs: Detection: 16%
Source: unknownUDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknownUDP traffic detected without corresponding DNS query: 1.1.1.1
Source: global trafficDNS traffic detected: DNS query: daisy.ubuntu.com
Source: unknownNetwork traffic detected: HTTP traffic on port 443 -> 49564
Source: unknownNetwork traffic detected: HTTP traffic on port 49564 -> 443
Source: ELF static info symbol of initial sample.symtab present: no
Source: classification engineClassification label: mal56.linELF@0/0@2/0
Source: /usr/bin/dash (PID: 5584)Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.WuLlTifCKf /tmp/tmp.JrL5bscL9y /tmp/tmp.XAyaH5t3HFJump to behavior
Source: /usr/bin/dash (PID: 5585)Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.WuLlTifCKf /tmp/tmp.JrL5bscL9y /tmp/tmp.XAyaH5t3HFJump to behavior
Source: /tmp/re.bot.mips.elf (PID: 5515)Queries kernel information via 'uname': Jump to behavior
Source: re.bot.mips.elf, 5515.1.0000562999b63000.0000562999c0a000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/mips
Source: re.bot.mips.elf, 5515.1.00007ffe0365e000.00007ffe0367f000.rw-.sdmpBinary or memory string: /usr/bin/qemu-mips
Source: re.bot.mips.elf, 5515.1.00007ffe0365e000.00007ffe0367f000.rw-.sdmpBinary or memory string: /x86_64/usr/bin/qemu-mips/tmp/re.bot.mips.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/re.bot.mips.elf
Source: re.bot.mips.elf, 5515.1.0000562999b63000.0000562999c0a000.rw-.sdmpBinary or memory string: )V!/etc/qemu-binfmt/mips
Source: re.bot.mips.elf, 5515.1.00007ffe0365e000.00007ffe0367f000.rw-.sdmpBinary or memory string: qemu: uncaught target signal 11 (Segmentation fault) - core dumped
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
Non-Application Layer Protocol
Exfiltration Over BluetoothNetwork Denial of Service
Email AddressesDNS ServerDomain AccountsAtLogon Script (Windows)Logon Script (Windows)Obfuscated Files or InformationSecurity Account ManagerQuery RegistrySMB/Windows Admin SharesData from Network Shared Drive2
Application Layer Protocol
Automated ExfiltrationData Encrypted for Impact
No configs have been found
Hide Legend

Legend:

  • Process
  • Signature
  • Created File
  • DNS/IP Info
  • Is Dropped
  • Number of created Files
  • Is malicious
  • Internet
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1640131 Sample: re.bot.mips.elf Startdate: 17/03/2025 Architecture: LINUX Score: 56 12 54.217.10.153, 443, 49564 AMAZON-02US United States 2->12 14 daisy.ubuntu.com 2->14 16 Antivirus / Scanner detection for submitted sample 2->16 18 Multi AV Scanner detection for submitted file 2->18 6 dash rm 2->6         started        8 dash rm 2->8         started        10 re.bot.mips.elf 2->10         started        signatures3 process4

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


windows-stand
SourceDetectionScannerLabelLink
re.bot.mips.elf8%VirustotalBrowse
re.bot.mips.elf17%ReversingLabsLinux.Trojan.Mirai
re.bot.mips.elf100%AviraLINUX/GM.Mirai.CJ
No Antivirus matches
No Antivirus matches
No Antivirus matches

Download Network PCAP: filteredfull

NameIPActiveMaliciousAntivirus DetectionReputation
daisy.ubuntu.com
162.213.35.25
truefalse
    high
    • No. of IPs < 25%
    • 25% < No. of IPs < 50%
    • 50% < No. of IPs < 75%
    • 75% < No. of IPs
    IPDomainCountryFlagASNASN NameMalicious
    54.217.10.153
    unknownUnited States
    16509AMAZON-02USfalse
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                        No context
                        No context
                        No created / dropped files found
                        File type:ELF 32-bit MSB executable, MIPS, MIPS-I version 1 (SYSV), statically linked, stripped
                        Entropy (8bit):5.706034579121237
                        TrID:
                        • ELF Executable and Linkable format (generic) (4004/1) 100.00%
                        File name:re.bot.mips.elf
                        File size:963'732 bytes
                        MD5:3ce753cbbb51cd3080f723e582df341b
                        SHA1:e4ce4094a67de40a81822b69ef162f8402aec7eb
                        SHA256:1f68cc875bb403f8abf495b4c032572ad93b79304e89f4750a2e12f2b820586e
                        SHA512:1d2d400be441a555a558eeb5ea1014ccdf60a72097604d4d437bf69a3e3d4c533670f5bc6f20f0812e6d901824ec7a061b2099caede7dbfbf8eff6e426af33c1
                        SSDEEP:12288:g0ggUQQh7SrWAhAkXE47B0JcryJWBjh1Dds8s1QOZgL:JgTmW/kXn7B2cryJWBW8s1ViL
                        TLSH:0D25E61A6E62DF7CF26483304BF70B2492AE62D607F1C585E29CD5195E2035E681FFAC
                        File Content Preview:.ELF.....................@.p...4.........4. ...(.............@...@...........................R...R..................dt.Q............................<...'......!'.......................<...'......!... ....'9... ......................<...'......!...$....'9.

                        ELF header

                        Class:ELF32
                        Data:2's complement, big endian
                        Version:1 (current)
                        Machine:MIPS R3000
                        Version Number:0x1
                        Type:EXEC (Executable file)
                        OS/ABI:UNIX - System V
                        ABI Version:0
                        Entry Point Address:0x400270
                        Flags:0x1007
                        ELF Header Size:52
                        Program Header Offset:52
                        Program Header Size:32
                        Number of Program Headers:3
                        Section Header Offset:963092
                        Section Header Size:40
                        Number of Section Headers:16
                        Header String Table Index:15
                        NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
                        NULL0x00x00x00x00x0000
                        .initPROGBITS0x4000940x940x8c0x00x6AX004
                        .textPROGBITS0x4001200x1200xc90300x00x6AX0016
                        .finiPROGBITS0x4c91500xc91500x5c0x00x6AX004
                        .rodataPROGBITS0x4c91b00xc91b00x16cfc0x00x2A0016
                        .eh_framePROGBITS0x5200000xe00000x240x00x3WA004
                        .ctorsPROGBITS0x5200240xe00240x180x00x3WA004
                        .dtorsPROGBITS0x52003c0xe003c0x100x00x3WA004
                        .jcrPROGBITS0x52004c0xe004c0x40x00x3WA004
                        .data.rel.roPROGBITS0x5200500xe00500x46b40x00x3WA004
                        .dataPROGBITS0x5247200xe47200x47600x00x3WA0032
                        .gotPROGBITS0x528e800xe8e800x23200x40x10000003WAp0016
                        .sbssNOBITS0x52b1a00xeb1a00x440x00x10000003WAp004
                        .bssNOBITS0x52b1f00xeb1a00x56ac0x00x3WA0016
                        .mdebug.abi32PROGBITS0x7bf0xeb1a00x00x00x0001
                        .shstrtabSTRTAB0x00xeb1a00x730x00x0001
                        TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
                        LOAD0x00x4000000x4000000xdfeac0xdfeac5.79130x5R E0x10000.init .text .fini .rodata
                        LOAD0xe00000x5200000x5200000xb1a00x1089c3.10320x6RW 0x10000.eh_frame .ctors .dtors .jcr .data.rel.ro .data .got .sbss .bss
                        GNU_STACK0x00x00x00x00x00.00000x7RWE0x4

                        Download Network PCAP: filteredfull

                        • Total Packets: 4
                        • 443 (HTTPS)
                        • 53 (DNS)
                        TimestampSource PortDest PortSource IPDest IP
                        Mar 17, 2025 01:17:34.981106043 CET49564443192.168.2.1554.217.10.153
                        Mar 17, 2025 01:17:34.986289978 CET4434956454.217.10.153192.168.2.15
                        Mar 17, 2025 01:17:34.986365080 CET49564443192.168.2.1554.217.10.153
                        TimestampSource PortDest PortSource IPDest IP
                        Mar 17, 2025 01:17:06.341352940 CET3934453192.168.2.151.1.1.1
                        Mar 17, 2025 01:17:06.341408014 CET5493453192.168.2.151.1.1.1
                        Mar 17, 2025 01:17:06.348099947 CET53393441.1.1.1192.168.2.15
                        Mar 17, 2025 01:17:06.348643064 CET53549341.1.1.1192.168.2.15
                        TimestampSource IPDest IPTrans IDOP CodeNameTypeClassDNS over HTTPS
                        Mar 17, 2025 01:17:06.341352940 CET192.168.2.151.1.1.10x1a54Standard query (0)daisy.ubuntu.comA (IP address)IN (0x0001)false
                        Mar 17, 2025 01:17:06.341408014 CET192.168.2.151.1.1.10x8394Standard query (0)daisy.ubuntu.com28IN (0x0001)false
                        TimestampSource IPDest IPTrans IDReply CodeNameCNameAddressTypeClassDNS over HTTPS
                        Mar 17, 2025 01:17:06.348099947 CET1.1.1.1192.168.2.150x1a54No error (0)daisy.ubuntu.com162.213.35.25A (IP address)IN (0x0001)false
                        Mar 17, 2025 01:17:06.348099947 CET1.1.1.1192.168.2.150x1a54No error (0)daisy.ubuntu.com162.213.35.24A (IP address)IN (0x0001)false

                        System Behavior

                        Start time (UTC):00:17:04
                        Start date (UTC):17/03/2025
                        Path:/tmp/re.bot.mips.elf
                        Arguments:/tmp/re.bot.mips.elf
                        File size:5777432 bytes
                        MD5 hash:0083f1f0e77be34ad27f849842bbb00c

                        Start time (UTC):00:17:33
                        Start date (UTC):17/03/2025
                        Path:/usr/bin/dash
                        Arguments:-
                        File size:129816 bytes
                        MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                        Start time (UTC):00:17:33
                        Start date (UTC):17/03/2025
                        Path:/usr/bin/rm
                        Arguments:rm -f /tmp/tmp.WuLlTifCKf /tmp/tmp.JrL5bscL9y /tmp/tmp.XAyaH5t3HF
                        File size:72056 bytes
                        MD5 hash:aa2b5496fdbfd88e38791ab81f90b95b

                        Start time (UTC):00:17:33
                        Start date (UTC):17/03/2025
                        Path:/usr/bin/dash
                        Arguments:-
                        File size:129816 bytes
                        MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                        Start time (UTC):00:17:33
                        Start date (UTC):17/03/2025
                        Path:/usr/bin/rm
                        Arguments:rm -f /tmp/tmp.WuLlTifCKf /tmp/tmp.JrL5bscL9y /tmp/tmp.XAyaH5t3HF
                        File size:72056 bytes
                        MD5 hash:aa2b5496fdbfd88e38791ab81f90b95b