Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 09:01

General

  • Target

    eafef610148d9f61233eeb9bb0736f5f_JaffaCakes118.exe

  • Size

    576KB

  • MD5

    eafef610148d9f61233eeb9bb0736f5f

  • SHA1

    39c3e87414a407911b73b222546133fa58d54d16

  • SHA256

    f7975bc0c0fa4c0765eff0dccc88e756abb186eed23bfa7f5ee67c731e7f4a8f

  • SHA512

    1f5d5ba65181ed0fc0f7906d173cb1159f0b74072ab1bb5e624a905ce799339b46f070c23c42b04c342fd3a5e90b9251891b7f7b8f186f1e80e8b8c7866aae9e

  • SSDEEP

    12288:QCkc/Xwu/sro3X5Azmgh1R3/n0aRz6mHG:QRc/wu/p3X5emghH/0wzdH

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 6 IoCs
  • 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.

  • Modifies registry class 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eafef610148d9f61233eeb9bb0736f5f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\eafef610148d9f61233eeb9bb0736f5f_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3924
    • C:\Windows\SysWOW64\1050\svchost.exe
      C:\Windows\system32\1050\svchost.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3520

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\1050\svchost.exe

    Filesize

    576KB

    MD5

    eafef610148d9f61233eeb9bb0736f5f

    SHA1

    39c3e87414a407911b73b222546133fa58d54d16

    SHA256

    f7975bc0c0fa4c0765eff0dccc88e756abb186eed23bfa7f5ee67c731e7f4a8f

    SHA512

    1f5d5ba65181ed0fc0f7906d173cb1159f0b74072ab1bb5e624a905ce799339b46f070c23c42b04c342fd3a5e90b9251891b7f7b8f186f1e80e8b8c7866aae9e

  • C:\Windows\SysWOW64\MSINET.ocx

    Filesize

    112KB

    MD5

    7bec181a21753498b6bd001c42a42722

    SHA1

    3249f233657dc66632c0539c47895bfcee5770cc

    SHA256

    73da54b69911bdd08ea8bbbd508f815ef7cfa59c4684d75c1c602252ec88ee31

    SHA512

    d671e25ae5e02a55f444d253f0e4a42af6a5362d9759fb243ad6d2c333976ab3e98669621ec0850ad915ee06acbe8e70d77b084128fc275462223f4f5ab401bc

  • C:\Windows\SysWOW64\mswinsck.ocx

    Filesize

    105KB

    MD5

    9484c04258830aa3c2f2a70eb041414c

    SHA1

    b242a4fb0e9dcf14cb51dc36027baff9a79cb823

    SHA256

    bf7e47c16d7e1c0e88534f4ef95e09d0fd821ed1a06b0d95a389b35364b63ff5

    SHA512

    9d0e9f0d88594746ba41ea4a61a53498619eda596e12d8ec37d01cfe8ceb08be13e3727c83d630a6d9e6d03066f62444bb94ea5a0d2ed9d21a270e612db532a0