Analysis

  • max time kernel
    129s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    15-06-2024 10:30

General

  • Target

    ae00b03b8ae74bb286db5f1dc8f21073_JaffaCakes118.exe

  • Size

    7.6MB

  • MD5

    ae00b03b8ae74bb286db5f1dc8f21073

  • SHA1

    abf67a1f4e8180c97f6e4a25736068bfc47bbd83

  • SHA256

    ee5165770d6d8b72b861f3ed1c29d06c77d2cecf55c59791a18b4b434af8a047

  • SHA512

    0b9dbb7e6c2eba944e24dbbe31e7a90cdaafa456a892846be2ee5421bcef45a6254bbd0e1b12dda90c682f06583f38a50dc723476c85bae617af019aab6d9de8

  • SSDEEP

    196608:fMUD+WfsFxUclpQzeqid/FbYPqRyBMuctHF/Qs0sicj6:fMUBEKc0mtH8Jcj6

Score
6/10

Malware Config

Signatures

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ae00b03b8ae74bb286db5f1dc8f21073_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ae00b03b8ae74bb286db5f1dc8f21073_JaffaCakes118.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1656
    • C:\Windows\SysWOW64\taskkill.exe
      "C:\Windows\System32\taskkill.exe" /f /im KuaiZip.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:912
    • C:\Windows\SysWOW64\taskkill.exe
      "C:\Windows\System32\taskkill.exe" /f /im Update.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:1752
    • C:\Windows\SysWOW64\taskkill.exe
      "C:\Windows\System32\taskkill.exe" /f /im KZReport.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:2716
    • C:\Windows\SysWOW64\taskkill.exe
      "C:\Windows\System32\taskkill.exe" /f /im UpdateChecker.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:2628

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Defense Evasion

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Discovery

System Information Discovery

1
T1082

Replay Monitor

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Downloads