Analysis

  • max time kernel
    134s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-10-2024 08:24

General

  • Target

    78a39875a0adb110cf3c7de3a0d1384c_JaffaCakes118.exe

  • Size

    1.1MB

  • MD5

    78a39875a0adb110cf3c7de3a0d1384c

  • SHA1

    005b0e034adefc7f1b9b1817951db843b5451eb1

  • SHA256

    bc5a7972e6052e50bdd90f9354ec544161bfd549b97ac04edd784b9361cfc1de

  • SHA512

    a4ccd748a00f43a7559b624602fc6ced33cc48a2381ff7e56866600fda9a1b021530e5bd67d682170b8d34ded3adbf48d9007199d316b1c9b83827b9f1c74910

  • SSDEEP

    24576:wU/pT7XFrnzP+55U4bASv6XhV8SBptFNrnNHTwXig6Tu6bvmEgP9:xRT7X1nj+rbASv038SBprNrNwXiNTu6G

Malware Config

Signatures

  • Ardamax

    A keylogger first seen in 2013.

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

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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 System32 directory 8 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 use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\78a39875a0adb110cf3c7de3a0d1384c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\78a39875a0adb110cf3c7de3a0d1384c_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3752
    • C:\Windows\SysWOW64\MUWOCI\HNI.exe
      "C:\Windows\system32\MUWOCI\HNI.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1928
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\MUWOCI\HNI.exe > nul
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2004

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    465KB

    MD5

    4061e424a7e62d613aa16201364593c9

    SHA1

    84e5f41196523eddd24b62670ec8100632dbc933

    SHA256

    d39b682a1de3541ce4858727a3206a0fb78d1e070e4dd60fab43c2537d1adfd9

    SHA512

    3290348c02db1d9125d80b6e240544d51b0805240e113397d85a3fbdf3421172c8dd23e5631525db9258b7eedcdc228df3082041a017c664593eac698773f5fa

  • C:\Windows\SysWOW64\MUWOCI\HNI.001

    Filesize

    61KB

    MD5

    4eb04b9187bbf3e3c33bf95e74eb6262

    SHA1

    ca5dcaea5ef4ba48c0bb06635c0b5abed4f0f342

    SHA256

    cf84d5704b350beaf1f2b46dc44bd372141d7554a8958ce22c0a84a3f21f2fe7

    SHA512

    aeaa608cd4f66ba817a7e8698d17f9801c9cedf99875decff39bc18cebdec3947f02566bdf21d9096e5a6a6b740717ab06d46a2a9605bf8e8fa0fee12fe17e81

  • C:\Windows\SysWOW64\MUWOCI\HNI.002

    Filesize

    43KB

    MD5

    1aed6fee0870288cdb607393fc2f33a1

    SHA1

    584fd8d5ffbced19dd09b8b71cee9026c0ac65c6

    SHA256

    02c4eef7045896258d00077e123719aa256c606f4e38c417965ba5f64d48e180

    SHA512

    15e5b7843b07bcb4a638057b05712c66b285d70ace24ab3a4c125d24d538ace20cfac179accefa417d7790f7a095327affd3cd73d9eacaa632356f95a9fde3b8

  • C:\Windows\SysWOW64\MUWOCI\HNI.004

    Filesize

    1KB

    MD5

    7690a88abc761948e638a6e6f50697ea

    SHA1

    2dc45f1f25be26ab783d3a201300c1746b145770

    SHA256

    77f417a2a0f720d3d732fd2586819282b4230fbbf14fa317f413511ee272e1a0

    SHA512

    8ec1287bdffddad148e6d502b062d78bb16b9ebddfd88bb3e4c88c63cb1f9a821adcc6e55b37a40b795ca08f4d7cbbc0230338cb939ea45c40ac8fda4fae2c43

  • C:\Windows\SysWOW64\MUWOCI\HNI.exe

    Filesize

    1.5MB

    MD5

    865b02aa4fb68ac150953986e6f63f1c

    SHA1

    214190642d67f02c349e68f3f3c6ef0e9c2212d7

    SHA256

    fac58547e80a1b9598261b6d2aa5175653831e507c57b6860bc5d04d2e754dff

    SHA512

    473dc55a8a8f11d8445cef9cd8cabf8a9b227a6e47994ecfe9c86d41062641668d858e61b7ade1ad2801c5daa13d0630159b7ad241379e111c83564030c0a40e

  • memory/1928-16-0x00000000005E0000-0x00000000005E1000-memory.dmp

    Filesize

    4KB

  • memory/1928-18-0x00000000005E0000-0x00000000005E1000-memory.dmp

    Filesize

    4KB