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Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06/09/2024, 15:28

General

  • Target

    cfda42008fbc405156cdf34a1bbb898e_JaffaCakes118.exe

  • Size

    260KB

  • MD5

    cfda42008fbc405156cdf34a1bbb898e

  • SHA1

    0c97879e3593938722d3e327b5dccf15c0bb379b

  • SHA256

    b1ed0f1ec41e1fc618ddb9487fb2352f0fa4e50135f128939d267c0565e7b65b

  • SHA512

    42d4a02861bab73f61e8b31e646afadfcfe830e560444bcdab9c3860cabb8707332dc5254ee103d05b3da6e37d2b66d95889427c2371e6d4cc023db2392fbfdf

  • SSDEEP

    6144:ejEDyVUtKq9o8BC2N6tdTTTbfxXuzJwGhrBN+v:FmVUtKq9o8BC2N6tdTTTbfxwmGhrDy

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates connected drives 3 TTPs 20 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 5 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cfda42008fbc405156cdf34a1bbb898e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\cfda42008fbc405156cdf34a1bbb898e_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Program Files\Common Files\svchost.exe
      "C:\Program Files\Common Files\svchost.exe" -s
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      PID:1696

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Program Files\Common Files\svchost.exe

    Filesize

    260KB

    MD5

    cfda42008fbc405156cdf34a1bbb898e

    SHA1

    0c97879e3593938722d3e327b5dccf15c0bb379b

    SHA256

    b1ed0f1ec41e1fc618ddb9487fb2352f0fa4e50135f128939d267c0565e7b65b

    SHA512

    42d4a02861bab73f61e8b31e646afadfcfe830e560444bcdab9c3860cabb8707332dc5254ee103d05b3da6e37d2b66d95889427c2371e6d4cc023db2392fbfdf

  • memory/1696-10-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1696-12-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1992-1-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1992-8-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB