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Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/08/2024, 16:31

General

  • Target

    86cfa223f7f1b5976ddc5211edbaeda6_JaffaCakes118.exe

  • Size

    5.8MB

  • MD5

    86cfa223f7f1b5976ddc5211edbaeda6

  • SHA1

    7d4bdc0bb18b42ca45ee86a1f68fc50dcd1886e6

  • SHA256

    a30538fadd01aa54147f568d7a052f634474171a65e790141834d19ae9da0b57

  • SHA512

    b36f0ffc328e4148007996d4d686a4b60b218240ce4a1f51e6eb95c15aaab07ae71a7b846ec486b32cc983c8413befa865bab7543086db81273289ed0bbef339

  • SSDEEP

    768:O0OTUQP3nNzcxYBSlWXYtmVY0sxYp3hXP:O0OAc3FcxBsdVdsyBhXP

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Drops file in Drivers directory 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Impair Defenses: Safe Mode Boot 1 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in Windows 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 3 IoCs

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

  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\86cfa223f7f1b5976ddc5211edbaeda6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\86cfa223f7f1b5976ddc5211edbaeda6_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Impair Defenses: Safe Mode Boot
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4664
    • C:\Windows\system\svhost.exe
      "C:\Windows\system\svhost.exe"
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3712
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\86CFA2~1.EXE > nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\System\svhost.exe

    Filesize

    5.8MB

    MD5

    86cfa223f7f1b5976ddc5211edbaeda6

    SHA1

    7d4bdc0bb18b42ca45ee86a1f68fc50dcd1886e6

    SHA256

    a30538fadd01aa54147f568d7a052f634474171a65e790141834d19ae9da0b57

    SHA512

    b36f0ffc328e4148007996d4d686a4b60b218240ce4a1f51e6eb95c15aaab07ae71a7b846ec486b32cc983c8413befa865bab7543086db81273289ed0bbef339

  • memory/3712-6-0x00000000299F0000-0x0000000029FCA000-memory.dmp

    Filesize

    5.9MB

  • memory/3712-10-0x00000000299F0000-0x0000000029FCA000-memory.dmp

    Filesize

    5.9MB

  • memory/4664-0-0x00000000299F0000-0x0000000029FCA000-memory.dmp

    Filesize

    5.9MB

  • memory/4664-9-0x00000000299F0000-0x0000000029FCA000-memory.dmp

    Filesize

    5.9MB