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Linux Analysis Report
emips.elf

Overview

General Information

Sample name:emips.elf
Analysis ID:1583103
MD5:5deb974eeb90ef7e6f96b151fc9169f0
SHA1:6693efc58f57ceab8c64e62b841abe13836e2524
SHA256:cb4682e4cfbedcff904faef259f33eb50ad16c9ad3cc21f7ea109eea1681ba8d
Tags:elfuser-abuse_ch
Infos:

Detection

Score:48
Range:0 - 100
Whitelisted:false

Signatures

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

Joe Sandbox version:41.0.0 Charoite
Analysis ID:1583103
Start date and time:2025-01-01 22:44:58 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 47s
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:emips.elf
Detection:MAL
Classification:mal48.linELF@0/0@0/0
Command:/tmp/emips.elf
PID:6279
Exit Code:1
Exit Code Info:
Killed:False
Standard Output:

Standard Error:
  • system is lnxubuntu20
  • dash New Fork (PID: 6251, Parent: 4331)
  • rm (PID: 6251, Parent: 4331, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.311FVT6jPw /tmp/tmp.MHfeR0F66L /tmp/tmp.KkImrxJsOW
  • dash New Fork (PID: 6252, Parent: 4331)
  • rm (PID: 6252, Parent: 4331, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.311FVT6jPw /tmp/tmp.MHfeR0F66L /tmp/tmp.KkImrxJsOW
  • emips.elf (PID: 6279, Parent: 6178, MD5: 0083f1f0e77be34ad27f849842bbb00c) Arguments: /tmp/emips.elf
  • cleanup
No yara matches
No Suricata rule has matched

Click to jump to signature section

Show All Signature Results

AV Detection

barindex
Source: emips.elfReversingLabs: Detection: 15%
Source: unknownTCP traffic detected without corresponding DNS query: 54.171.230.55
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknownTCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknownTCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknownNetwork traffic detected: HTTP traffic on port 443 -> 33606
Source: unknownNetwork traffic detected: HTTP traffic on port 33606 -> 443
Source: unknownNetwork traffic detected: HTTP traffic on port 43928 -> 443
Source: unknownNetwork traffic detected: HTTP traffic on port 42836 -> 443
Source: ELF static info symbol of initial sample.symtab present: no
Source: classification engineClassification label: mal48.linELF@0/0@0/0
Source: /usr/bin/dash (PID: 6251)Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.311FVT6jPw /tmp/tmp.MHfeR0F66L /tmp/tmp.KkImrxJsOWJump to behavior
Source: /usr/bin/dash (PID: 6252)Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.311FVT6jPw /tmp/tmp.MHfeR0F66L /tmp/tmp.KkImrxJsOWJump to behavior
Source: /tmp/emips.elf (PID: 6279)Queries kernel information via 'uname': Jump to behavior
Source: emips.elf, 6279.1.000055a23ecfa000.000055a23ed81000.rw-.sdmpBinary or memory string: U!/etc/qemu-binfmt/mips
Source: emips.elf, 6279.1.000055a23ecfa000.000055a23ed81000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/mips
Source: emips.elf, 6279.1.00007ffd64b50000.00007ffd64b71000.rw-.sdmpBinary or memory string: /usr/bin/qemu-mips
Source: emips.elf, 6279.1.00007ffd64b50000.00007ffd64b71000.rw-.sdmpBinary or memory string: x86_64/usr/bin/qemu-mips/tmp/emips.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/emips.elf
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
SourceDetectionScannerLabelLink
emips.elf16%ReversingLabsLinux.Backdoor.Gafgyt
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
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 created / dropped files found
                                                              File type:ELF 32-bit MSB executable, MIPS, MIPS-I version 1 (SYSV), statically linked, stripped
                                                              Entropy (8bit):5.498879687256792
                                                              TrID:
                                                              • ELF Executable and Linkable format (generic) (4004/1) 100.00%
                                                              File name:emips.elf
                                                              File size:59'308 bytes
                                                              MD5:5deb974eeb90ef7e6f96b151fc9169f0
                                                              SHA1:6693efc58f57ceab8c64e62b841abe13836e2524
                                                              SHA256:cb4682e4cfbedcff904faef259f33eb50ad16c9ad3cc21f7ea109eea1681ba8d
                                                              SHA512:40ca8b506028098335424a9704e3f2c9a35462c1dc4a040d5e35d97820714441f1d03b534346ecdb0a8f1db745b54878cde158b17c624b448e9e4e86ca15acdf
                                                              SSDEEP:1536:0lOJ4AoDXkO6w2nV33G4Ba0bsPtGSfWrxx:nckO6w2nV3a0bsPtrfixx
                                                              TLSH:A643735A2D364FAEF73CC33987B74E30A66423951AD5D648D27CF8051FA020D681FB99
                                                              File Content Preview:.ELF.....................@.`...4...|.....4. ...(.............@...@.....0...0.................D...D..................dt.Q............................<...'.a....!'.......................<...'.ah...!... ....'9... ......................<...'.a8...!........'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:0x400260
                                                              Flags:0x1007
                                                              ELF Header Size:52
                                                              Program Header Offset:52
                                                              Program Header Size:32
                                                              Number of Program Headers:3
                                                              Section Header Offset:58748
                                                              Section Header Size:40
                                                              Number of Section Headers:14
                                                              Header String Table Index:13
                                                              NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
                                                              NULL0x00x00x00x00x0000
                                                              .initPROGBITS0x4000940x940x8c0x00x6AX004
                                                              .textPROGBITS0x4001200x1200xcef00x00x6AX0016
                                                              .finiPROGBITS0x40d0100xd0100x5c0x00x6AX004
                                                              .rodataPROGBITS0x40d0700xd0700xdc00x00x2A0016
                                                              .ctorsPROGBITS0x44e0000xe0000x80x00x3WA004
                                                              .dtorsPROGBITS0x44e0080xe0080x80x00x3WA004
                                                              .data.rel.roPROGBITS0x44e0140xe0140x980x00x3WA004
                                                              .dataPROGBITS0x44e0b00xe0b00x1800x00x3WA0016
                                                              .gotPROGBITS0x44e2300xe2300x2e80x40x10000003WAp0016
                                                              .sbssNOBITS0x44e5180xe5180x100x00x10000003WAp004
                                                              .bssNOBITS0x44e5300xe5180x1980x00x3WA0016
                                                              .mdebug.abi32PROGBITS0x7860xe5180x00x00x0001
                                                              .shstrtabSTRTAB0x00xe5180x640x00x0001
                                                              TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
                                                              LOAD0x00x4000000x4000000xde300xde305.56520x5R E0x10000.init .text .fini .rodata
                                                              LOAD0xe0000x44e0000x44e0000x5180x6c83.35200x6RW 0x10000.ctors .dtors .data.rel.ro .data .got .sbss .bss
                                                              GNU_STACK0x00x00x00x00x00.00000x7RWE0x4
                                                              TimestampSource PortDest PortSource IPDest IP
                                                              Jan 1, 2025 22:45:57.098697901 CET4433360654.171.230.55192.168.2.23
                                                              Jan 1, 2025 22:45:57.098875046 CET33606443192.168.2.2354.171.230.55
                                                              Jan 1, 2025 22:45:57.103688955 CET4433360654.171.230.55192.168.2.23
                                                              Jan 1, 2025 22:45:59.790134907 CET43928443192.168.2.2391.189.91.42
                                                              Jan 1, 2025 22:45:59.790154934 CET4251680192.168.2.23109.202.202.202
                                                              Jan 1, 2025 22:46:05.165427923 CET42836443192.168.2.2391.189.91.43
                                                              Jan 1, 2025 22:46:21.547323942 CET43928443192.168.2.2391.189.91.42
                                                              Jan 1, 2025 22:46:29.737951040 CET4251680192.168.2.23109.202.202.202
                                                              Jan 1, 2025 22:46:31.785659075 CET42836443192.168.2.2391.189.91.43
                                                              Jan 1, 2025 22:47:02.501331091 CET43928443192.168.2.2391.189.91.42

                                                              System Behavior

                                                              Start time (UTC):21:45:56
                                                              Start date (UTC):01/01/2025
                                                              Path:/usr/bin/dash
                                                              Arguments:-
                                                              File size:129816 bytes
                                                              MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                                                              Start time (UTC):21:45:56
                                                              Start date (UTC):01/01/2025
                                                              Path:/usr/bin/rm
                                                              Arguments:rm -f /tmp/tmp.311FVT6jPw /tmp/tmp.MHfeR0F66L /tmp/tmp.KkImrxJsOW
                                                              File size:72056 bytes
                                                              MD5 hash:aa2b5496fdbfd88e38791ab81f90b95b

                                                              Start time (UTC):21:45:56
                                                              Start date (UTC):01/01/2025
                                                              Path:/usr/bin/dash
                                                              Arguments:-
                                                              File size:129816 bytes
                                                              MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                                                              Start time (UTC):21:45:56
                                                              Start date (UTC):01/01/2025
                                                              Path:/usr/bin/rm
                                                              Arguments:rm -f /tmp/tmp.311FVT6jPw /tmp/tmp.MHfeR0F66L /tmp/tmp.KkImrxJsOW
                                                              File size:72056 bytes
                                                              MD5 hash:aa2b5496fdbfd88e38791ab81f90b95b

                                                              Start time (UTC):21:45:56
                                                              Start date (UTC):01/01/2025
                                                              Path:/tmp/emips.elf
                                                              Arguments:/tmp/emips.elf
                                                              File size:5777432 bytes
                                                              MD5 hash:0083f1f0e77be34ad27f849842bbb00c