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Analysis

  • max time kernel
    146s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03/01/2025, 22:50

General

  • Target

    JaffaCakes118_7305b95f9a46c2bcbe1ae7c093406f30.exe

  • Size

    420KB

  • MD5

    7305b95f9a46c2bcbe1ae7c093406f30

  • SHA1

    64aa5d9d9f7547b8d36472709d98acfa754a4a42

  • SHA256

    23395541d41a67c4e3c3649aed1039f042500781428a5afab1c3ebb3ebca56a4

  • SHA512

    55dd25e5693841779158492fabe6a489683993fa62ff306081437d13447c5a0d2d1d7f86b0ea43d4abb7b1cd7bbfaa18d721797c787cc3a5ce9ef6e7fd0f8c20

  • SSDEEP

    6144:si8drdA114CJkuvY4+bEXxxJIc+Zgnz8uJ72kY2GL4rO:yrGOekuaIvJIc+OnbGE

Malware Config

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 33 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7305b95f9a46c2bcbe1ae7c093406f30.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7305b95f9a46c2bcbe1ae7c093406f30.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2688
    • C:\Users\Admin\AppData\Roaming\SubDir\windows.exe
      "C:\Users\Admin\AppData\Roaming\SubDir\windows.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2864

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\SubDir\windows.exe

    Filesize

    420KB

    MD5

    7305b95f9a46c2bcbe1ae7c093406f30

    SHA1

    64aa5d9d9f7547b8d36472709d98acfa754a4a42

    SHA256

    23395541d41a67c4e3c3649aed1039f042500781428a5afab1c3ebb3ebca56a4

    SHA512

    55dd25e5693841779158492fabe6a489683993fa62ff306081437d13447c5a0d2d1d7f86b0ea43d4abb7b1cd7bbfaa18d721797c787cc3a5ce9ef6e7fd0f8c20

  • memory/2688-0-0x000007FEF5A2E000-0x000007FEF5A2F000-memory.dmp

    Filesize

    4KB

  • memory/2688-1-0x000000001ADA0000-0x000000001ADC2000-memory.dmp

    Filesize

    136KB

  • memory/2688-2-0x000007FEF5770000-0x000007FEF610D000-memory.dmp

    Filesize

    9.6MB

  • memory/2688-3-0x000000001ADC0000-0x000000001ADE2000-memory.dmp

    Filesize

    136KB

  • memory/2688-4-0x000007FEF5770000-0x000007FEF610D000-memory.dmp

    Filesize

    9.6MB

  • memory/2688-5-0x000000001ADE0000-0x000000001AE1E000-memory.dmp

    Filesize

    248KB

  • memory/2688-6-0x000007FEF5770000-0x000007FEF610D000-memory.dmp

    Filesize

    9.6MB

  • memory/2688-17-0x000007FEF5770000-0x000007FEF610D000-memory.dmp

    Filesize

    9.6MB

  • memory/2864-16-0x000007FEF5770000-0x000007FEF610D000-memory.dmp

    Filesize

    9.6MB

  • memory/2864-15-0x000007FEF5770000-0x000007FEF610D000-memory.dmp

    Filesize

    9.6MB

  • memory/2864-14-0x000007FEF5770000-0x000007FEF610D000-memory.dmp

    Filesize

    9.6MB

  • memory/2864-18-0x000007FEF5770000-0x000007FEF610D000-memory.dmp

    Filesize

    9.6MB

  • memory/2864-19-0x000007FEF5770000-0x000007FEF610D000-memory.dmp

    Filesize

    9.6MB

  • memory/2864-21-0x000007FEF5770000-0x000007FEF610D000-memory.dmp

    Filesize

    9.6MB

  • memory/2864-22-0x000007FEF5770000-0x000007FEF610D000-memory.dmp

    Filesize

    9.6MB

  • memory/2864-23-0x000007FEF5770000-0x000007FEF610D000-memory.dmp

    Filesize

    9.6MB

  • memory/2864-24-0x000007FEF5770000-0x000007FEF610D000-memory.dmp

    Filesize

    9.6MB

  • memory/2864-25-0x000007FEF5770000-0x000007FEF610D000-memory.dmp

    Filesize

    9.6MB

  • memory/2864-26-0x000007FEF5770000-0x000007FEF610D000-memory.dmp

    Filesize

    9.6MB