Analysis

  • max time kernel
    120s
  • max time network
    21s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    03-11-2024 07:04

General

  • Target

    8a325b824f958c0a4fea979459c18a98_JaffaCakes118.exe

  • Size

    1.1MB

  • MD5

    8a325b824f958c0a4fea979459c18a98

  • SHA1

    7ef792ac7553e0702d536cd0763843a319bee415

  • SHA256

    b125863242605404ba8af7d3f8c3fce79102e9f04ed3935ab9a86b1be691a899

  • SHA512

    609cdd9499ee43f3163b5c1db74ccfe2c989a2a09a5b48a0f9ed755b7c2cd2c6afbcfbc1d507ffed9006ccf8665c49a5280d012b850bcc79899dc296c90e2759

  • SSDEEP

    24576:rZxTijalbTgRKyTPpnRVcGng2QVxy/LzyxZKjfMkIWHmUq/:rXTiulbTgFpnTc4QVx8rfaWGUq

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.

  • Drops file in System32 directory 6 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 AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8a325b824f958c0a4fea979459c18a98_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8a325b824f958c0a4fea979459c18a98_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2684
    • C:\Windows\SysWOW64\NIBUFA\YTF.exe
      "C:\Windows\system32\NIBUFA\YTF.exe"
      2⤵
      • 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
      PID:1480

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    456KB

    MD5

    1f29b1075a91b3da0ccc0b9c49eece56

    SHA1

    048e675f087181035aedece9e7b11d065c6355cc

    SHA256

    4f6825548b32329c3360ed9abb7c0a6809a2c2291cf0bcaac511a9fa32a6336e

    SHA512

    7e152caf055f57f599ecc1e3a404b540b721b3315d2ba16bff6eb21f03edeb3a06ae185621e3139293612d94210f500f098bd281489ca7f336efd8b5284ee060

  • C:\Windows\SysWOW64\NIBUFA\YTF.001

    Filesize

    61KB

    MD5

    31c866d8e4448c28ae63660a0521cd92

    SHA1

    0e4dcb44e3c8589688b8eacdd8cc463a920baab9

    SHA256

    dc0eaf9d62f0e40b6522d28b2e06b39ff619f9086ea7aa45fd40396a8eb61aa1

    SHA512

    1076da7f8137a90b5d3bbbbe2b24fd9774de6adbcdfd41fd55ae90c70b9eb4bbf441732689ad25e5b3048987bfb1d63ba59d5831a04c6d84cb05bbfd2d32f839

  • C:\Windows\SysWOW64\NIBUFA\YTF.002

    Filesize

    43KB

    MD5

    093e599a1281e943ce1592f61d9591af

    SHA1

    6896810fe9b7efe4f5ae68bf280fec637e97adf5

    SHA256

    1ac0964d97b02204f4d4ae79cd5244342f1a1798f5846e9dd7f3448d4177a009

    SHA512

    64cb58fbf6295d15d9ee6a8a7a325e7673af7ee02e4ece8da5a95257f666566a425b348b802b78ac82e7868ba7923f85255c2c31e548618afa9706c1f88d34dc

  • C:\Windows\SysWOW64\NIBUFA\YTF.004

    Filesize

    1KB

    MD5

    55686d0ce56cfd76a77135dfe2090d44

    SHA1

    bb20a33af37eca0a359da1e81c8ba267c94abdc6

    SHA256

    031183a063415dc110a8228d0b16db702caec78a179344aa0a42e7928b8350f1

    SHA512

    e3d45fa61f923568bb2451eebbbf6ffc76a0720e7f8958d5b81560310065755364397aa9e3566f8d1a63eec7136d17c5967fd2418bda3c091de901d451e89d6d

  • \Windows\SysWOW64\NIBUFA\YTF.exe

    Filesize

    1.5MB

    MD5

    0aaffc12ef1b416b9276bdc3fdec9dff

    SHA1

    9f38d7cf6241d867da58f89db9ff26544314b938

    SHA256

    42b33dd905c5668c2518a6a7d407fb10c303cfedeaefcd7b6e4c7cc1b891c73b

    SHA512

    bbde0986b298c6172e7c8e3f938db9425f54cca097e280736e1ba289afd06a0b86f7cbc91f6d46458bc8e75069c12cda1cf808acf3b6c773b0661d081136ee7c

  • memory/1480-15-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1480-17-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB