Analysis

  • max time kernel
    93s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2024 09:17

General

  • Target

    bcb63415a8e2cb7ec2bbb7cd021109f7_JaffaCakes118.exe

  • Size

    338KB

  • MD5

    bcb63415a8e2cb7ec2bbb7cd021109f7

  • SHA1

    9181c11e469fa95c3e6efd7eb5b07db30cf9058a

  • SHA256

    e5ae3fa072d0d916c825c635ff14d87cd5fa66cfba54818b6a57c327a50a35f2

  • SHA512

    1bb55c393e9aef4aaa26788e01f5f69195b131820408a8c7fc2596faf4b6f3827326f1235e3a54e753ac3ebf81cf1a0d4cc63dce322b3988b542f5bdd41f4c77

  • SSDEEP

    6144:ZRjrKXufheFKPNljrsw4ltgk0IFw1vRrvdapGDAYLtUvm46kV:uceMHjICkTWZv6GvtUe43V

Malware Config

Signatures

  • Ardamax

    A keylogger first seen in 2013.

  • Ardamax family
  • Ardamax main executable 1 IoCs
  • Checks computer location settings 2 TTPs 4 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 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 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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 5 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bcb63415a8e2cb7ec2bbb7cd021109f7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bcb63415a8e2cb7ec2bbb7cd021109f7_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:796
    • C:\Users\Admin\AppData\Local\Temp\after partii.exe
      "C:\Users\Admin\AppData\Local\Temp\after partii.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4712
      • C:\Users\Admin\AppData\Local\Temp\Install.exe
        "C:\Users\Admin\AppData\Local\Temp\Install.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1056
        • C:\Windows\SysWOW64\28463\EJQB.exe
          "C:\Windows\system32\28463\EJQB.exe"
          4⤵
          • 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:2892
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2892 -s 1068
            5⤵
            • Loads dropped DLL
            • Program crash
            PID:1896
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\28463\EJQB.exe > nul
            5⤵
            • System Location Discovery: System Language Discovery
            PID:4352
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2892 -ip 2892
    1⤵
      PID:1500

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\@AD28.tmp

      Filesize

      4KB

      MD5

      c3679c3ff636d1a6b8c65323540da371

      SHA1

      d184758721a426467b687bec2a4acc80fe44c6f8

      SHA256

      d4eba51c616b439a8819218bddf9a6fa257d55c9f04cf81441cc99cc945ad3eb

      SHA512

      494a0a32eef4392ecb54df6e1da7d93183473c4e45f4ac4bd6ec3b0ed8c85c58303a0d36edec41420d05ff624195f08791b6b7e018419a3251b7e71ec9b730e7

    • C:\Users\Admin\AppData\Local\Temp\Install.exe

      Filesize

      289KB

      MD5

      350007e8f1ed755fcf97f9d15629b218

      SHA1

      571e3637f32e335e8f19182a269c79c950bc5aad

      SHA256

      52087c19788da426b111831e576cbd55815168692eb8c48219b7e6d1188630b5

      SHA512

      e4f465e756937c118423464e8fd2bf9e3379360e15c613db5457badfafb4d3a8e458bb811183bac2eecac836bb7b030bf7de353c10cc32d76379503f35eec39c

    • C:\Users\Admin\AppData\Local\Temp\after partii.exe

      Filesize

      311KB

      MD5

      b8f0a26df099abf986f69a720620f869

      SHA1

      44dd341ffa7785fbb5f48354ef782182a76a300d

      SHA256

      7ad9660e939f793d1333551746578d53843816ad92e3055261194bb421653109

      SHA512

      df3869d6f711a9dea58fe22bf98214ecd492dd79dad203af1add24af5e608fc08885a48dfb72aa203d3a4c6217d3e9d031f34827652aa0959d06fcd1699e1809

    • C:\Users\Admin\AppData\Local\Temp\favicon.ico

      Filesize

      5KB

      MD5

      2d5ef084efee167d9ce783d94f6af515

      SHA1

      c2c8a4dba0824a45a3b72a65e3ae7d4395587774

      SHA256

      d105eadf6a6edecf81291cbd4862f7fa22866696197281952082ef0a2b5ca2cf

      SHA512

      7f0547fb7ff171b1ffcfec126ceba2d9d6d1ff0274b0c20128c567e7f043cd80b6c7b278137297d40f7c2edf94eded13c67a65661f1c6d7be9e8d3979c165b43

    • C:\Windows\SysWOW64\28463\EJQB.001

      Filesize

      402B

      MD5

      d1f659ab9ce3291da76182482d418836

      SHA1

      a891cadf1c08f22dfe9e57432eedc3fa45ac483d

      SHA256

      2339682fcbadab545c64c762ad2e48500c02bb7b56b8de29033ee1d17dc66627

      SHA512

      93476909ffcf90b7553a7fb9db88841b07b6dc750ba8672001b78c9df39f3b8ee997a1636f275f6919719146443e7114a07deaa8791f0674aaa267ddac32190a

    • C:\Windows\SysWOW64\28463\EJQB.006

      Filesize

      8KB

      MD5

      43f02e9974b1477c1e6388882f233db0

      SHA1

      f3e27b231193f8d5b2e1b09d05ae3a62795cf339

      SHA256

      3c9e56e51d5a7a1b9aefe853c12a98bf246039aa46db94227ea128f6331782ba

      SHA512

      e22d14735606fe75ee5e55204807c3f5531d3e0c4f63aa4a3b2d4bb6abda6128c7e2816753f2e64400ac6dae8f8ef1e013a7a464dff2a79ad9937c48821a067f

    • C:\Windows\SysWOW64\28463\EJQB.007

      Filesize

      5KB

      MD5

      b5a87d630436f958c6e1d82d15f98f96

      SHA1

      d3ff5e92198d4df0f98a918071aca53550bf1cff

      SHA256

      a895ad4d23e8b2c2dc552092f645ca309e62c36d4721ebfe7afd2eee7765d4b2

      SHA512

      fd7bae85a86bdaa12fec826d1d38728a90e2037cb3182ad7652d8a9f54c4b322734c587b62221e6f907fce24fcf2e0ae4cce1f5e3d8861661064b4da24bd87ce

    • C:\Windows\SysWOW64\28463\EJQB.exe

      Filesize

      473KB

      MD5

      17535dddecf8cb1efdba1f1952126547

      SHA1

      a862a9a3eb6c201751be1038537522a5281ea6cb

      SHA256

      1a3d28ac6359e58aa656f4734f9f36b6c09badadcf9fb900b9b118d90c38a9dd

      SHA512

      b4f31b552ab3bb3dafa365aa7a31f58674ae7ee82ce1d23457f2e7047431430b00abb3b5498491725639daf583b526b278a737168cfdc4e9ec796dfbc14a53d8