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Linux Analysis Report
mips.elf

Overview

General Information

Sample name:mips.elf
Analysis ID:1644788
MD5:11964fa7fa0d56434ed82216344c4b6a
SHA1:5ae591a0603e6f3992d3072a0c00bbf52f3606f5
SHA256:e5fd26483443ce2b042e415380acd6c5e47f6fcd56ee98e038566c833f1e0ed0
Tags:elfuser-abuse_ch
Infos:

Detection

Score:48
Range:0 - 100

Signatures

Antivirus / Scanner detection for submitted sample
Executes the "rm" command used to delete files or directories
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Uses the "uname" system call to query kernel version information (possible evasion)

Classification

RansomwareSpreadingPhishingBankerTrojan / BotAdwareSpywareExploiterEvaderMinercleansuspiciousmalicious
Joe Sandbox version:42.0.0 Malachite
Analysis ID:1644788
Start date and time:2025-03-21 00:19:13 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 37s
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:mips.elf
Detection:MAL
Classification:mal48.linELF@0/0@0/0
Command:/tmp/mips.elf
PID:6262
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
  • dash New Fork (PID: 6228, Parent: 4331)
  • rm (PID: 6228, Parent: 4331, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.A9iVwmXlXr /tmp/tmp.71HSygHqB5 /tmp/tmp.GLakoDsYpE
  • dash New Fork (PID: 6229, Parent: 4331)
  • cat (PID: 6229, Parent: 4331, MD5: 7e9d213e404ad3bb82e4ebb2e1f2c1b3) Arguments: cat /tmp/tmp.A9iVwmXlXr
  • dash New Fork (PID: 6230, Parent: 4331)
  • head (PID: 6230, Parent: 4331, MD5: fd96a67145172477dd57131396fc9608) Arguments: head -n 10
  • dash New Fork (PID: 6231, Parent: 4331)
  • tr (PID: 6231, Parent: 4331, MD5: fbd1402dd9f72d8ebfff00ce7c3a7bb5) Arguments: tr -d \\000-\\011\\013\\014\\016-\\037
  • dash New Fork (PID: 6232, Parent: 4331)
  • cut (PID: 6232, Parent: 4331, MD5: d8ed0ea8f22c0de0f8692d4d9f1759d3) Arguments: cut -c -80
  • dash New Fork (PID: 6235, Parent: 4331)
  • cat (PID: 6235, Parent: 4331, MD5: 7e9d213e404ad3bb82e4ebb2e1f2c1b3) Arguments: cat /tmp/tmp.A9iVwmXlXr
  • dash New Fork (PID: 6236, Parent: 4331)
  • head (PID: 6236, Parent: 4331, MD5: fd96a67145172477dd57131396fc9608) Arguments: head -n 10
  • dash New Fork (PID: 6237, Parent: 4331)
  • tr (PID: 6237, Parent: 4331, MD5: fbd1402dd9f72d8ebfff00ce7c3a7bb5) Arguments: tr -d \\000-\\011\\013\\014\\016-\\037
  • dash New Fork (PID: 6238, Parent: 4331)
  • cut (PID: 6238, Parent: 4331, MD5: d8ed0ea8f22c0de0f8692d4d9f1759d3) Arguments: cut -c -80
  • dash New Fork (PID: 6239, Parent: 4331)
  • rm (PID: 6239, Parent: 4331, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.A9iVwmXlXr /tmp/tmp.71HSygHqB5 /tmp/tmp.GLakoDsYpE
  • mips.elf (PID: 6262, Parent: 6155, MD5: 0083f1f0e77be34ad27f849842bbb00c) Arguments: /tmp/mips.elf
  • cleanup
No yara matches
No Suricata rule has matched

Click to jump to signature section

Show All Signature Results

AV Detection

barindex
Source: mips.elfAvira: detected
Source: global trafficTCP traffic: 192.168.2.23:43928 -> 91.189.91.42:443
Source: global trafficTCP traffic: 192.168.2.23:42836 -> 91.189.91.43:443
Source: global trafficTCP traffic: 192.168.2.23:42516 -> 109.202.202.202:80
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknownTCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknownTCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknownNetwork traffic detected: HTTP traffic on port 43928 -> 443
Source: unknownNetwork traffic detected: HTTP traffic on port 42836 -> 443
Source: classification engineClassification label: mal48.linELF@0/0@0/0
Source: /usr/bin/dash (PID: 6228)Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.A9iVwmXlXr /tmp/tmp.71HSygHqB5 /tmp/tmp.GLakoDsYpEJump to behavior
Source: /usr/bin/dash (PID: 6239)Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.A9iVwmXlXr /tmp/tmp.71HSygHqB5 /tmp/tmp.GLakoDsYpEJump to behavior
Source: /tmp/mips.elf (PID: 6262)Queries kernel information via 'uname': Jump to behavior
Source: mips.elf, 6262.1.000055f0b5c20000.000055f0b5ca7000.rw-.sdmpBinary or memory string: U!/etc/qemu-binfmt/mips
Source: mips.elf, 6262.1.000055f0b5c20000.000055f0b5ca7000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/mips
Source: mips.elf, 6262.1.00007ffcde390000.00007ffcde3b1000.rw-.sdmpBinary or memory string: /usr/bin/qemu-mips
Source: mips.elf, 6262.1.00007ffcde390000.00007ffcde3b1000.rw-.sdmpBinary or memory string: 1Lx86_64/usr/bin/qemu-mips/tmp/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/mips.elf
Source: mips.elf, 6262.1.00007ffcde390000.00007ffcde3b1000.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
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
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1644788 Sample: mips.elf Startdate: 21/03/2025 Architecture: LINUX Score: 48 14 109.202.202.202, 80 INIT7CH Switzerland 2->14 16 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->16 18 91.189.91.43, 443 CANONICAL-ASGB United Kingdom 2->18 20 Antivirus / Scanner detection for submitted sample 2->20 6 dash rm mips.elf 2->6         started        8 dash rm 2->8         started        10 dash cat 2->10         started        12 7 other processes 2->12 signatures3 process4
SourceDetectionScannerLabelLink
mips.elf6%ReversingLabsLinux.Trojan.Mirai
mips.elf100%AviraLINUX/GM.Mirai.XA
No Antivirus matches
No Antivirus matches
No Antivirus matches

Download Network PCAP: filteredfull

No contacted domains info
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs
IPDomainCountryFlagASNASN NameMalicious
109.202.202.202
unknownSwitzerland
13030INIT7CHfalse
91.189.91.43
unknownUnited Kingdom
41231CANONICAL-ASGBfalse
91.189.91.42
unknownUnited Kingdom
41231CANONICAL-ASGBfalse
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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), dynamically linked, not stripped
                                          Entropy (8bit):5.41195996339586
                                          TrID:
                                          • ELF Executable and Linkable format (generic) (4004/1) 100.00%
                                          File name:mips.elf
                                          File size:725'816 bytes
                                          MD5:11964fa7fa0d56434ed82216344c4b6a
                                          SHA1:5ae591a0603e6f3992d3072a0c00bbf52f3606f5
                                          SHA256:e5fd26483443ce2b042e415380acd6c5e47f6fcd56ee98e038566c833f1e0ed0
                                          SHA512:c7571189005789630dd48e5df3138b35df73390ffca3391b193dfe4b5748e65abbee23d376a3c1a67f6388345342fd2c933302f1d085452ecdb6b65ddc01fac6
                                          SSDEEP:12288:mPfaliZC82FmR+PUmWHgXH1Ibsh8xky9pO:qfalRHmR+PUmsgXmSyO
                                          TLSH:D9F4B70E99619F2FF278833207F3C664A27D329723A7F649919CD1245E2434E592FB78
                                          File Content Preview:.ELF.....................@.`...4...0.....4. ...(.............@...@.....p...p.................N...N....P....\............................................'.{....!'.......................<...'.{....!... ....'9... ......................<...'.{....!........'9.

                                          Download Network PCAP: filteredfull

                                          • Total Packets: 8
                                          • 443 (HTTPS)
                                          • 80 (HTTP)
                                          TimestampSource PortDest PortSource IPDest IP
                                          Mar 21, 2025 00:20:00.298083067 CET43928443192.168.2.2391.189.91.42
                                          Mar 21, 2025 00:20:05.929481983 CET42836443192.168.2.2391.189.91.43
                                          Mar 21, 2025 00:20:06.953346014 CET4251680192.168.2.23109.202.202.202
                                          Mar 21, 2025 00:20:21.287329912 CET43928443192.168.2.2391.189.91.42
                                          Mar 21, 2025 00:20:31.525989056 CET42836443192.168.2.2391.189.91.43
                                          Mar 21, 2025 00:20:37.668967962 CET4251680192.168.2.23109.202.202.202
                                          Mar 21, 2025 00:21:02.241592884 CET43928443192.168.2.2391.189.91.42
                                          Mar 21, 2025 00:21:22.718662977 CET42836443192.168.2.2391.189.91.43

                                          System Behavior

                                          Start time (UTC):23:19:56
                                          Start date (UTC):20/03/2025
                                          Path:/usr/bin/dash
                                          Arguments:-
                                          File size:129816 bytes
                                          MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                                          Start time (UTC):23:19:56
                                          Start date (UTC):20/03/2025
                                          Path:/usr/bin/rm
                                          Arguments:rm -f /tmp/tmp.A9iVwmXlXr /tmp/tmp.71HSygHqB5 /tmp/tmp.GLakoDsYpE
                                          File size:72056 bytes
                                          MD5 hash:aa2b5496fdbfd88e38791ab81f90b95b

                                          Start time (UTC):23:19:56
                                          Start date (UTC):20/03/2025
                                          Path:/usr/bin/dash
                                          Arguments:-
                                          File size:129816 bytes
                                          MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                                          Start time (UTC):23:19:56
                                          Start date (UTC):20/03/2025
                                          Path:/usr/bin/cat
                                          Arguments:cat /tmp/tmp.A9iVwmXlXr
                                          File size:43416 bytes
                                          MD5 hash:7e9d213e404ad3bb82e4ebb2e1f2c1b3

                                          Start time (UTC):23:19:56
                                          Start date (UTC):20/03/2025
                                          Path:/usr/bin/dash
                                          Arguments:-
                                          File size:129816 bytes
                                          MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                                          Start time (UTC):23:19:56
                                          Start date (UTC):20/03/2025
                                          Path:/usr/bin/head
                                          Arguments:head -n 10
                                          File size:47480 bytes
                                          MD5 hash:fd96a67145172477dd57131396fc9608

                                          Start time (UTC):23:19:56
                                          Start date (UTC):20/03/2025
                                          Path:/usr/bin/dash
                                          Arguments:-
                                          File size:129816 bytes
                                          MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                                          Start time (UTC):23:19:56
                                          Start date (UTC):20/03/2025
                                          Path:/usr/bin/tr
                                          Arguments:tr -d \\000-\\011\\013\\014\\016-\\037
                                          File size:51544 bytes
                                          MD5 hash:fbd1402dd9f72d8ebfff00ce7c3a7bb5

                                          Start time (UTC):23:19:56
                                          Start date (UTC):20/03/2025
                                          Path:/usr/bin/dash
                                          Arguments:-
                                          File size:129816 bytes
                                          MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                                          Start time (UTC):23:19:56
                                          Start date (UTC):20/03/2025
                                          Path:/usr/bin/cut
                                          Arguments:cut -c -80
                                          File size:47480 bytes
                                          MD5 hash:d8ed0ea8f22c0de0f8692d4d9f1759d3

                                          Start time (UTC):23:19:56
                                          Start date (UTC):20/03/2025
                                          Path:/usr/bin/dash
                                          Arguments:-
                                          File size:129816 bytes
                                          MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                                          Start time (UTC):23:19:56
                                          Start date (UTC):20/03/2025
                                          Path:/usr/bin/cat
                                          Arguments:cat /tmp/tmp.A9iVwmXlXr
                                          File size:43416 bytes
                                          MD5 hash:7e9d213e404ad3bb82e4ebb2e1f2c1b3

                                          Start time (UTC):23:19:56
                                          Start date (UTC):20/03/2025
                                          Path:/usr/bin/dash
                                          Arguments:-
                                          File size:129816 bytes
                                          MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                                          Start time (UTC):23:19:56
                                          Start date (UTC):20/03/2025
                                          Path:/usr/bin/head
                                          Arguments:head -n 10
                                          File size:47480 bytes
                                          MD5 hash:fd96a67145172477dd57131396fc9608

                                          Start time (UTC):23:19:56
                                          Start date (UTC):20/03/2025
                                          Path:/usr/bin/dash
                                          Arguments:-
                                          File size:129816 bytes
                                          MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                                          Start time (UTC):23:19:56
                                          Start date (UTC):20/03/2025
                                          Path:/usr/bin/tr
                                          Arguments:tr -d \\000-\\011\\013\\014\\016-\\037
                                          File size:51544 bytes
                                          MD5 hash:fbd1402dd9f72d8ebfff00ce7c3a7bb5

                                          Start time (UTC):23:19:56
                                          Start date (UTC):20/03/2025
                                          Path:/usr/bin/dash
                                          Arguments:-
                                          File size:129816 bytes
                                          MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                                          Start time (UTC):23:19:56
                                          Start date (UTC):20/03/2025
                                          Path:/usr/bin/cut
                                          Arguments:cut -c -80
                                          File size:47480 bytes
                                          MD5 hash:d8ed0ea8f22c0de0f8692d4d9f1759d3

                                          Start time (UTC):23:19:56
                                          Start date (UTC):20/03/2025
                                          Path:/usr/bin/dash
                                          Arguments:-
                                          File size:129816 bytes
                                          MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                                          Start time (UTC):23:19:56
                                          Start date (UTC):20/03/2025
                                          Path:/usr/bin/rm
                                          Arguments:rm -f /tmp/tmp.A9iVwmXlXr /tmp/tmp.71HSygHqB5 /tmp/tmp.GLakoDsYpE
                                          File size:72056 bytes
                                          MD5 hash:aa2b5496fdbfd88e38791ab81f90b95b

                                          Start time (UTC):23:19:58
                                          Start date (UTC):20/03/2025
                                          Path:/tmp/mips.elf
                                          Arguments:/tmp/mips.elf
                                          File size:5777432 bytes
                                          MD5 hash:0083f1f0e77be34ad27f849842bbb00c