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
    11-09-2024 08:11

General

  • Target

    d9efa8c091d83440a3ecafe0385f54ab_JaffaCakes118.exe

  • Size

    368KB

  • MD5

    d9efa8c091d83440a3ecafe0385f54ab

  • SHA1

    cec90787add654e6fbc84f8cccc41278b274c988

  • SHA256

    4a8321571cd6dcdf3812ddb749fc133f4a050e7964ad02ff87f8ef8cade11f1f

  • SHA512

    332eea60455808c21496e5dbb3c6ac0619857c06dd51e00140eae5648d169c3b87c5de53425e534ad99c9d68f9396fa0631469d6264af9807c2c2f7664ddad61

  • SSDEEP

    6144:agL92UU48OOlg/gwpewysMzEYUM9Kwn832M6w6j0q:VLxU5O/gWysMIYlK4AlOj0q

Score
5/10

Malware Config

Signatures

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d9efa8c091d83440a3ecafe0385f54ab_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d9efa8c091d83440a3ecafe0385f54ab_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:380
    • C:\Users\Admin\AppData\Local\Temp\d9efa8c091d83440a3ecafe0385f54ab_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\d9efa8c091d83440a3ecafe0385f54ab_JaffaCakes118.exe"
      2⤵
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2940
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\Start.bat
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3472
        • C:\Windows\SysWOW64\reg.exe
          reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Associations /v ModRiskFileTypes /t REG_SZ /d .exe /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2068
        • C:\Windows\SysWOW64\gpupdate.exe
          gpupdate /force
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5104

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Start.bat

    Filesize

    200B

    MD5

    9cedeb0b293d2b5491225ef3d9eb2a8b

    SHA1

    b607ef9bd319b6ec696c8dab8a314998d133298b

    SHA256

    3fc59706783a0778da9121da52a63e34e47c82f436d5b14943e14fb418fd4f08

    SHA512

    ec7d4544e32b1ea460895b1037a9eca2529eed45d6ee1644f83dfc4d4ad8f7c32a811ee4627bc6b243fb5d5c9e3e2b22060d6a2903692830ff1f114d2b9f3cfc

  • memory/2940-0-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2940-2-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2940-3-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2940-10-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB