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Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 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.

  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7305b95f9a46c2bcbe1ae7c093406f30.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7305b95f9a46c2bcbe1ae7c093406f30.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4760
    • 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:3144

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/3144-45-0x00007FFD7FBE0000-0x00007FFD80581000-memory.dmp

    Filesize

    9.6MB

  • memory/3144-44-0x00007FFD7FBE0000-0x00007FFD80581000-memory.dmp

    Filesize

    9.6MB

  • memory/3144-43-0x00007FFD7FBE0000-0x00007FFD80581000-memory.dmp

    Filesize

    9.6MB

  • memory/3144-42-0x00007FFD7FBE0000-0x00007FFD80581000-memory.dmp

    Filesize

    9.6MB

  • memory/3144-38-0x000000001CD40000-0x000000001CD48000-memory.dmp

    Filesize

    32KB

  • memory/3144-36-0x00007FFD7FBE0000-0x00007FFD80581000-memory.dmp

    Filesize

    9.6MB

  • memory/3144-34-0x00007FFD7FBE0000-0x00007FFD80581000-memory.dmp

    Filesize

    9.6MB

  • memory/3144-33-0x00007FFD7FBE0000-0x00007FFD80581000-memory.dmp

    Filesize

    9.6MB

  • memory/3144-31-0x00007FFD7FBE0000-0x00007FFD80581000-memory.dmp

    Filesize

    9.6MB

  • memory/3144-30-0x00007FFD7FBE0000-0x00007FFD80581000-memory.dmp

    Filesize

    9.6MB

  • memory/4760-10-0x000000001C0C0000-0x000000001C122000-memory.dmp

    Filesize

    392KB

  • memory/4760-9-0x000000001BE70000-0x000000001BF0C000-memory.dmp

    Filesize

    624KB

  • memory/4760-15-0x00007FFD7FBE0000-0x00007FFD80581000-memory.dmp

    Filesize

    9.6MB

  • memory/4760-16-0x00007FFD7FBE0000-0x00007FFD80581000-memory.dmp

    Filesize

    9.6MB

  • memory/4760-17-0x00007FFD7FE95000-0x00007FFD7FE96000-memory.dmp

    Filesize

    4KB

  • memory/4760-18-0x00007FFD7FBE0000-0x00007FFD80581000-memory.dmp

    Filesize

    9.6MB

  • memory/4760-13-0x000000001D3F0000-0x000000001D9AA000-memory.dmp

    Filesize

    5.7MB

  • memory/4760-12-0x000000001C940000-0x000000001CA30000-memory.dmp

    Filesize

    960KB

  • memory/4760-11-0x000000001C7C0000-0x000000001C84E000-memory.dmp

    Filesize

    568KB

  • memory/4760-32-0x00007FFD7FBE0000-0x00007FFD80581000-memory.dmp

    Filesize

    9.6MB

  • memory/4760-0-0x00007FFD7FE95000-0x00007FFD7FE96000-memory.dmp

    Filesize

    4KB

  • memory/4760-14-0x000000001C730000-0x000000001C74E000-memory.dmp

    Filesize

    120KB

  • memory/4760-35-0x00007FFD7FBE0000-0x00007FFD80581000-memory.dmp

    Filesize

    9.6MB

  • memory/4760-8-0x000000001BD90000-0x000000001BDCE000-memory.dmp

    Filesize

    248KB

  • memory/4760-7-0x000000001B1C0000-0x000000001B1E2000-memory.dmp

    Filesize

    136KB

  • memory/4760-39-0x00007FFD7FBE0000-0x00007FFD80581000-memory.dmp

    Filesize

    9.6MB

  • memory/4760-41-0x00007FFD7FBE0000-0x00007FFD80581000-memory.dmp

    Filesize

    9.6MB

  • memory/4760-6-0x000000001B7C0000-0x000000001BC8E000-memory.dmp

    Filesize

    4.8MB

  • memory/4760-3-0x000000001B0D0000-0x000000001B0F2000-memory.dmp

    Filesize

    136KB

  • memory/4760-2-0x00007FFD7FBE0000-0x00007FFD80581000-memory.dmp

    Filesize

    9.6MB

  • memory/4760-1-0x00007FFD7FBE0000-0x00007FFD80581000-memory.dmp

    Filesize

    9.6MB