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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/08/2024, 20:27

General

  • Target

    c182a0a5db5d164eb63f8b70377476da_JaffaCakes118.exe

  • Size

    1.2MB

  • MD5

    c182a0a5db5d164eb63f8b70377476da

  • SHA1

    9192036d5991ee286c0c66fd46cff8c156e2cc37

  • SHA256

    0fa22668d3b699913d7229f46a17934a45d490af69f4c52e1fc35b5fbbf5c0a4

  • SHA512

    16b56605efce9689b669844d1f8b1e40a933aab43f2513f76dc22402953452d22da6403635bb7478f7dd889c3cbefd7d34814a942e88918f7c899c10b05a38b0

  • SSDEEP

    24576:P0NzTD1SZhX+dCZxVXXJxLPkPD6JWd6Qto5c2oc8pspylLB8gkG:P0pTOhX+d0JxLsDPW5TodGOd8l

Malware Config

Signatures

  • Ardamax

    A keylogger first seen in 2013.

  • Ardamax main executable 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 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 2 IoCs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c182a0a5db5d164eb63f8b70377476da_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c182a0a5db5d164eb63f8b70377476da_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4596
    • C:\Windows\SysWOW64\WFFJVC\UEG.exe
      "C:\Windows\system32\WFFJVC\UEG.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:4352

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\WFFJVC\AKV.exe

    Filesize

    485KB

    MD5

    b905540561802896d1609a5709c38795

    SHA1

    a265f7c1d428ccece168d36ae1a5f50abfb69e37

    SHA256

    ce666ce776c30251bb1b465d47826c23efaa86ec5ee50b2a4d23a4ceb343ed53

    SHA512

    7663654f134f47a8092bae1f3f9d46732d2541ab955e7604d43a0def1e61e2bc039a6753e94d99f1d04b69f55a86f1fb937513671019f1bdf100edb97b24badc

  • C:\Windows\SysWOW64\WFFJVC\UEG.001

    Filesize

    61KB

    MD5

    0e7e847fb96b4faa6cb4d3707a96887e

    SHA1

    896fd4064044e271312e9128e874108eec69521f

    SHA256

    c0f3e18ed0020dae5f75d3338b51f9c8de26d8af0a4d31904ba77cb1d112bbca

    SHA512

    ad680ed30b0cabe1be4e7237b8e620060de9c5f64d088d21a6acf6f293551ab4abc10f8f959aa6041e19aeaea538e72beeecc29b7669546a9a151141d4e73684

  • C:\Windows\SysWOW64\WFFJVC\UEG.002

    Filesize

    43KB

    MD5

    f195701cf2c54d6ceadad943cf5135b8

    SHA1

    9beb03fc097fc58d7375b0511b87ced98a423a08

    SHA256

    177c1dcc7f13158445f0b99713e9cad205da86e764940a48d43dc375565b0dec

    SHA512

    f78def1ab431bb2b7b647ec76c063c30a87cabd22605f94cbe4fbb6f757fd54ddf7861d3842a0e369abfce94b68d41dec0fe2322a74f67d9875f561f92b20025

  • C:\Windows\SysWOW64\WFFJVC\UEG.004

    Filesize

    1KB

    MD5

    d889b5707fddd2ebf071573be94bc215

    SHA1

    3b255ec1239667e513e358bc13dfe061795b0722

    SHA256

    e2bea8f55b370176c4673d6bebffc0195241bc67862b75e099bc404d5f1351df

    SHA512

    c8a726f07aa200c1448ffc4ba5e4a15dcfe48bbdc272320312b0b51f96f8c994a8bf993226e05e09036bc726f864c7f5d8b114d84508cff6ca28a9db2de3c769

  • C:\Windows\SysWOW64\WFFJVC\UEG.exe

    Filesize

    1.7MB

    MD5

    d95623e481661c678a0546e02f10f24c

    SHA1

    b6949e68a19b270873764585eb1e82448d1e0717

    SHA256

    cecfadce6fb09b3977c20d15fb40f8f66a1d7e488a4794451d048a598c3417da

    SHA512

    dee02644d92ed30e88bb10e9dcdba97abd9949b230059ec20cf5d93061f9cdb77b1e793e5f69d0b51595c30077c3ddd093348d22b070ce898ccefe28b8062591

  • memory/4352-16-0x00000000007F0000-0x00000000007F1000-memory.dmp

    Filesize

    4KB