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Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10/09/2024, 05:00

General

  • Target

    d79e50fd99e3d30872fedfd7e5850c58_JaffaCakes118.exe

  • Size

    1.2MB

  • MD5

    d79e50fd99e3d30872fedfd7e5850c58

  • SHA1

    da004d1276d8e46fe87407cae65e1834937ab593

  • SHA256

    6686713302e0ec8d47cc965bcecf426fbe10d6da0439f5a1ede1ef6d126d700e

  • SHA512

    caeb9edcd9120f2a1a1810625216c4b0ce283000fd7668ae55078a0065ef8682151c9771ea1e63216016ed9cdd8d45178c7726ea3aebf3cac9a7b619f291dd7a

  • SSDEEP

    24576:7ZxT8iu/kXwx5c3NdaFddjCDgeoPQLNXVvAUFVOfpcQAAf18FrMZRba:7XTxu/EXdaFHcoPcGiUxDuo

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    fpatch.levelupgames.com.br
  • Port:
    21
  • Username:
    anonymous
  • Password:
    User@

Signatures

  • Ardamax

    A keylogger first seen in 2013.

  • Ardamax main executable 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 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 3 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d79e50fd99e3d30872fedfd7e5850c58_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d79e50fd99e3d30872fedfd7e5850c58_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1480
    • C:\Windows\SysWOW64\TLSYHI\SSB.exe
      "C:\Windows\system32\TLSYHI\SSB.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:3064
    • C:\Users\Admin\AppData\Local\Temp\Ragnarok.exe
      "C:\Users\Admin\AppData\Local\Temp\Ragnarok.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:2216

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    456KB

    MD5

    1f29b1075a91b3da0ccc0b9c49eece56

    SHA1

    048e675f087181035aedece9e7b11d065c6355cc

    SHA256

    4f6825548b32329c3360ed9abb7c0a6809a2c2291cf0bcaac511a9fa32a6336e

    SHA512

    7e152caf055f57f599ecc1e3a404b540b721b3315d2ba16bff6eb21f03edeb3a06ae185621e3139293612d94210f500f098bd281489ca7f336efd8b5284ee060

  • C:\Windows\SysWOW64\TLSYHI\SSB.001

    Filesize

    61KB

    MD5

    31c866d8e4448c28ae63660a0521cd92

    SHA1

    0e4dcb44e3c8589688b8eacdd8cc463a920baab9

    SHA256

    dc0eaf9d62f0e40b6522d28b2e06b39ff619f9086ea7aa45fd40396a8eb61aa1

    SHA512

    1076da7f8137a90b5d3bbbbe2b24fd9774de6adbcdfd41fd55ae90c70b9eb4bbf441732689ad25e5b3048987bfb1d63ba59d5831a04c6d84cb05bbfd2d32f839

  • C:\Windows\SysWOW64\TLSYHI\SSB.002

    Filesize

    43KB

    MD5

    093e599a1281e943ce1592f61d9591af

    SHA1

    6896810fe9b7efe4f5ae68bf280fec637e97adf5

    SHA256

    1ac0964d97b02204f4d4ae79cd5244342f1a1798f5846e9dd7f3448d4177a009

    SHA512

    64cb58fbf6295d15d9ee6a8a7a325e7673af7ee02e4ece8da5a95257f666566a425b348b802b78ac82e7868ba7923f85255c2c31e548618afa9706c1f88d34dc

  • C:\Windows\SysWOW64\TLSYHI\SSB.004

    Filesize

    1KB

    MD5

    dfec612a3a22da6611884020ad77b93d

    SHA1

    79d4b791fe33bbf12589b4772decce50a3b49e5f

    SHA256

    bc7d78336933c18c92de22f36f0699b3fc600dd8d1c7a7492c5f62d230d89fca

    SHA512

    e84bb23fb939f62d926f631a9c38f041380a701c68ca200d8c75ce49160c144870bda0e63e91c814a880d66784a379e992d0f474672a5470e89fced7f5718647

  • \Users\Admin\AppData\Local\Temp\Ragnarok.exe

    Filesize

    336KB

    MD5

    a04fd09c75357195c3c841352d2bc497

    SHA1

    ad3a66ba1aae9a1c0cdc524e44eac4d7f94b815b

    SHA256

    c036fdc1404fcf692edbbdca7d9306dce137f6c78a653a4900756ed30889dc5c

    SHA512

    011188e40f3933f3d9ef7735eabfc89420530aecf089264e2cc4dc380d774f2cbfbdcc00afd87d1485fad018cef1b1f83ad60dd26a44d665c2b0e4f35a18b2b7

  • \Windows\SysWOW64\TLSYHI\SSB.exe

    Filesize

    1.5MB

    MD5

    0aaffc12ef1b416b9276bdc3fdec9dff

    SHA1

    9f38d7cf6241d867da58f89db9ff26544314b938

    SHA256

    42b33dd905c5668c2518a6a7d407fb10c303cfedeaefcd7b6e4c7cc1b891c73b

    SHA512

    bbde0986b298c6172e7c8e3f938db9425f54cca097e280736e1ba289afd06a0b86f7cbc91f6d46458bc8e75069c12cda1cf808acf3b6c773b0661d081136ee7c

  • memory/3064-16-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/3064-44-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB