Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-02-2025 04:20

General

  • Target

    JaffaCakes118_1031bf738894f59020763eaaa5c2b793.exe

  • Size

    955KB

  • MD5

    1031bf738894f59020763eaaa5c2b793

  • SHA1

    ae42eaa1cea4950e8c75dce144ef2d5553fe46cf

  • SHA256

    263e3f3ff7b18c8a84e908b86ed3c01199db505e6a2e75585105c0b6958fbeab

  • SHA512

    9bb25e647b70191cbb52b4634214d4a01a3874398c8e8b18e25880602c6751e3a9a3b9221bf415e2da9f6ce328bac7c9913fa9377830face0067a6f57b99896d

  • SSDEEP

    24576:p0NzTGDvC2dOosk7kzDnYRiKau/vplBEWuQMUvs:p0pTW3dOoRkfYMC/zBEW

Malware Config

Signatures

  • Ardamax

    A keylogger first seen in 2013.

  • Ardamax family
  • Ardamax main executable 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1031bf738894f59020763eaaa5c2b793.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1031bf738894f59020763eaaa5c2b793.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2700
    • C:\Windows\MBSJRS\UDS.exe
      "C:\Windows\MBSJRS\UDS.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2824
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c del C:\Windows\MBSJRS\UDS.exe > nul
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2736

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\MBSJRS\UDS.001

    Filesize

    61KB

    MD5

    0e7e847fb96b4faa6cb4d3707a96887e

    SHA1

    896fd4064044e271312e9128e874108eec69521f

    SHA256

    c0f3e18ed0020dae5f75d3338b51f9c8de26d8af0a4d31904ba77cb1d112bbca

    SHA512

    ad680ed30b0cabe1be4e7237b8e620060de9c5f64d088d21a6acf6f293551ab4abc10f8f959aa6041e19aeaea538e72beeecc29b7669546a9a151141d4e73684

  • C:\Windows\MBSJRS\UDS.002

    Filesize

    43KB

    MD5

    f195701cf2c54d6ceadad943cf5135b8

    SHA1

    9beb03fc097fc58d7375b0511b87ced98a423a08

    SHA256

    177c1dcc7f13158445f0b99713e9cad205da86e764940a48d43dc375565b0dec

    SHA512

    f78def1ab431bb2b7b647ec76c063c30a87cabd22605f94cbe4fbb6f757fd54ddf7861d3842a0e369abfce94b68d41dec0fe2322a74f67d9875f561f92b20025

  • C:\Windows\MBSJRS\UDS.004

    Filesize

    1KB

    MD5

    12b85ce466ffdc5172949d97b578c5ef

    SHA1

    d33725167bf7fa6607985938afa335e2cfc1eb71

    SHA256

    9b3097bfdd69d1c54d18b5d4214e19b112bf45b7df42a0639e2724cd59174202

    SHA512

    23a3b8694d00d583d8fa2236210bf6c1cc6be91a4d2eb92c7bd5247fcc5f7b822c6ad134a8bac0f52e97346d904f54e9486bf21665b97013aa7886a8987e104e

  • C:\Windows\MBSJRS\UDS.exe

    Filesize

    1.7MB

    MD5

    d95623e481661c678a0546e02f10f24c

    SHA1

    b6949e68a19b270873764585eb1e82448d1e0717

    SHA256

    cecfadce6fb09b3977c20d15fb40f8f66a1d7e488a4794451d048a598c3417da

    SHA512

    dee02644d92ed30e88bb10e9dcdba97abd9949b230059ec20cf5d93061f9cdb77b1e793e5f69d0b51595c30077c3ddd093348d22b070ce898ccefe28b8062591

  • memory/2824-13-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2824-15-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB