Analysis

  • max time kernel
    90s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-09-2024 15:53

General

  • Target

    e72c62340f8a780cfdf183c8c1fc187d_JaffaCakes118.exe

  • Size

    1.2MB

  • MD5

    e72c62340f8a780cfdf183c8c1fc187d

  • SHA1

    bdc40950f8d25a94b731ede98b8c756503b9999b

  • SHA256

    aa3373b86b71313eea0be0d9877f0beff2a2f4ee27b3b0c3c25f933a3b579181

  • SHA512

    591111eb33681e6bbb3d650eee1ae90a32089ffa3106521073e5561bb07f5689a6764a8d78e2182790f0caf0f634cd04157d23b1417167e64cfe833654b3401f

  • SSDEEP

    24576:pIKT6oqWjEnLo0jGsmURAgIQfn9Dj8lclrXJ8RR8:pTTTDjMLocGsh/L9X5l1w

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\e72c62340f8a780cfdf183c8c1fc187d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e72c62340f8a780cfdf183c8c1fc187d_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3424
    • C:\Windows\SysWOW64\RLCKOY\UFF.exe
      "C:\Windows\system32\RLCKOY\UFF.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:528

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    490KB

    MD5

    64a6cc55dc76d26448c30a8a1885f7cb

    SHA1

    149e467026647e080b4c69ab4f99b2d3c2b4dbe4

    SHA256

    5cbc0ec73c901be4ac182e13f6869f6f8cf0831b9603e542a3919f6a06087640

    SHA512

    de8cd7bea8113871ce8a36966fbaefd02b8ef7b09a8cbb631b4ac353bdf65b27d5630146ed700fd6edbc4276f4368ebad76b772d9b84349ddc2bd6f7127c377d

  • C:\Windows\SysWOW64\RLCKOY\UFF.001

    Filesize

    61KB

    MD5

    bf311791d2f9ea9c82a8d4764a98c0d8

    SHA1

    405ba2bd110590abd0bf340d12e054405afb011f

    SHA256

    d720cf3d297743da7ab1da528f4c086a29d59ef553e1a96569b49a59831d583b

    SHA512

    8be092f068807767b0065de10f9da386b90d8e587356881ba3391380b953b199e818b527e74b305d7c714fc94cb6f8e66c76d89d1785fa9910aa4cb39c5cada8

  • C:\Windows\SysWOW64\RLCKOY\UFF.002

    Filesize

    44KB

    MD5

    ce365878123962c3438e349621c10198

    SHA1

    5b861d9fc2923c61ef390a0b729a21078aa5fd59

    SHA256

    ba254f6675490a045d4c85a5f46681c175c1321692c20fc808c7c244173dd63f

    SHA512

    efc6f143d5e9244a6635562d7e9a9cea22ab7e7b304e933642a51d66da896e9038208b86c12f6da623a01b9175e73eeb40ab600e6625db3595144bfca1231a76

  • C:\Windows\SysWOW64\RLCKOY\UFF.004

    Filesize

    1KB

    MD5

    73e14e4b758cf12902607e9f5b6cc9e5

    SHA1

    f4b5c5ac80ff037070e2088a1b7381e0a970110b

    SHA256

    3def814d5bb4eb938e584a9b8fb9c56c0966d52ed75a50771a17344ea963fe66

    SHA512

    25659eb48f41a4a6047dcfc6c5acce690b7e45a9d42d7442a0fe071ce0fd72a6a3443f7ee755bb2e2ff100005b0a3b0be8ae3f93c9422053fb7ce2b1d24c0f3d

  • C:\Windows\SysWOW64\RLCKOY\UFF.exe

    Filesize

    1.7MB

    MD5

    8f7590bbba70748e69612e9e2d5a9f2e

    SHA1

    f3ad9834bc38f33fe501b9076c65ac29d0410578

    SHA256

    2dec3a8fb4a5b198335e7f4a9b611194b0a081abf0c56f9df3f4e2697e69d9e4

    SHA512

    347e9ac793afd627e064ecdfea61c3e2b626ace0ea41928aad93a72567048b8e9bdf773f8a4a59a0d96ce8c08612c542c15982e8051828bef025fea6132838c6

  • memory/528-16-0x00000000006B0000-0x00000000006B1000-memory.dmp

    Filesize

    4KB