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Analysis

  • max time kernel
    141s
  • max time network
    114s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/05/2024, 21:46

General

  • Target

    26e33b656bc4806821bbf6e0854f4308_JaffaCakes118.dll

  • Size

    805KB

  • MD5

    26e33b656bc4806821bbf6e0854f4308

  • SHA1

    5679e4f843f8de0125efd20ce7bb32117682a67c

  • SHA256

    d64f49dc0f53e5deadaee8bf403d76bab9838effdcb6e4aff485f23745a041c5

  • SHA512

    8927ad20d79e74b760bc680d54c8afd8f5e7e139ebcb5991e2f44b4ac31b2bb1767ef357cadb9930a34fae8cb842cc5ad281507c2ad90d1ed536f50c3c06ecc2

  • SSDEEP

    24576:Hd/4E1TAPJZgvtbhSQhAtuRyeiQYgBE/2h9:Hd/LpMSlbPh/tBVh

Malware Config

Signatures

  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

  • Detect Blackmoon payload 20 IoCs
  • Blocklisted process makes network request 2 IoCs
  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 28 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\26e33b656bc4806821bbf6e0854f4308_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4264
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\26e33b656bc4806821bbf6e0854f4308_JaffaCakes118.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3596

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\79ZXHV21\yingyong2[1].htm

    Filesize

    162B

    MD5

    4f8e702cc244ec5d4de32740c0ecbd97

    SHA1

    3adb1f02d5b6054de0046e367c1d687b6cdf7aff

    SHA256

    9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a

    SHA512

    21047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f

  • memory/3596-45-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

    Filesize

    2.0MB

  • memory/3596-47-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

    Filesize

    2.0MB

  • memory/3596-4-0x0000000010000000-0x0000000010018000-memory.dmp

    Filesize

    96KB

  • memory/3596-3-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

    Filesize

    2.0MB

  • memory/3596-14-0x0000000074E57000-0x0000000074E58000-memory.dmp

    Filesize

    4KB

  • memory/3596-16-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

    Filesize

    2.0MB

  • memory/3596-15-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

    Filesize

    2.0MB

  • memory/3596-0-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

    Filesize

    2.0MB

  • memory/3596-39-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

    Filesize

    2.0MB

  • memory/3596-48-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

    Filesize

    2.0MB

  • memory/3596-1-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

    Filesize

    2.0MB

  • memory/3596-46-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

    Filesize

    2.0MB

  • memory/3596-2-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

    Filesize

    2.0MB

  • memory/3596-49-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

    Filesize

    2.0MB

  • memory/3596-50-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

    Filesize

    2.0MB

  • memory/3596-51-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

    Filesize

    2.0MB

  • memory/3596-52-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

    Filesize

    2.0MB

  • memory/3596-53-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

    Filesize

    2.0MB

  • memory/3596-54-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

    Filesize

    2.0MB

  • memory/3596-55-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

    Filesize

    2.0MB

  • memory/3596-56-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

    Filesize

    2.0MB

  • memory/3596-57-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

    Filesize

    2.0MB