Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    30/03/2024, 14:03

General

  • Target

    3d7d4ced171a608319381205863c8789_JaffaCakes118.exe

  • Size

    1.4MB

  • MD5

    3d7d4ced171a608319381205863c8789

  • SHA1

    f4ec81158f766f5fed20b936637ae6db1bcca2c1

  • SHA256

    3a0b3da99b6c5f838bd0efec535f635e2d19d16834981f727f12a4539b61766d

  • SHA512

    a080cb52287e547379fd2f70f47e7c151ffcf1cebccb3a3a879da137fdec74ec0afd5a9aa89569a4a1a43e4eafde39c4e1c1cb56c4387b2d97cb314e3a164416

  • SSDEEP

    24576:NKRW6x7LrxYcu2/Lth0U8a1dD0ut69+cbeIBvLURuvh//xYHegwEPs4RB+9:NKw61DzTdvdDN6tbfU+U9VB

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

BROC

C2

sommerishere.sytes.net:61537

mommerishere.sytes.net:61537

Mutex

QSR_MUTEX_htKuXGSpSizsV4VV3h

Attributes
  • encryption_key

    upc0vIcniTlPRcfvkZHp

  • install_name

    Updater.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows Update

  • subdirectory

    Windows

Signatures

  • Detect ZGRat V1 1 IoCs
  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 5 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Deletes itself 1 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3d7d4ced171a608319381205863c8789_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3d7d4ced171a608319381205863c8789_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 5; Remove-Item -Path "C:\Users\Admin\AppData\Local\Temp\3d7d4ced171a608319381205863c8789_JaffaCakes118.exe" -Force
      2⤵
      • Deletes itself
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2572
    • C:\Users\Admin\AppData\Local\Temp\3d7d4ced171a608319381205863c8789_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\3d7d4ced171a608319381205863c8789_JaffaCakes118.exe
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2504
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\qyekNG8bBvli.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2044
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
            PID:1988
          • C:\Windows\SysWOW64\PING.EXE
            ping -n 10 localhost
            4⤵
            • Runs ping.exe
            PID:404

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\qyekNG8bBvli.bat

      Filesize

      243B

      MD5

      d675c910331bfd1bb1f0fb9edb9cd34b

      SHA1

      4fdc2356a353bac01713bf0336cc1fb561c715e3

      SHA256

      f7a818e7ac274d8e644d9cf8209d3e9acd0de74577ba2452bd3686ae82cd7191

      SHA512

      03fe917347d6b08e70da6210fac4709869258b1e90f3be964e9b538cc9b802a313f8a7a26ef0038e01afe014b3975b2d64963981656b4f67137f206fb56d1113

    • memory/2008-17-0x0000000074840000-0x0000000074F2E000-memory.dmp

      Filesize

      6.9MB

    • memory/2008-1-0x0000000074840000-0x0000000074F2E000-memory.dmp

      Filesize

      6.9MB

    • memory/2008-2-0x0000000004A70000-0x0000000004BD0000-memory.dmp

      Filesize

      1.4MB

    • memory/2008-3-0x0000000074840000-0x0000000074F2E000-memory.dmp

      Filesize

      6.9MB

    • memory/2008-6-0x0000000000B00000-0x0000000000B3E000-memory.dmp

      Filesize

      248KB

    • memory/2008-5-0x00000000049D0000-0x0000000004A10000-memory.dmp

      Filesize

      256KB

    • memory/2008-0-0x00000000010C0000-0x0000000001226000-memory.dmp

      Filesize

      1.4MB

    • memory/2044-49-0x0000000000320000-0x0000000000321000-memory.dmp

      Filesize

      4KB

    • memory/2504-7-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/2504-11-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/2504-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2504-12-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/2504-18-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/2504-22-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/2504-9-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/2504-15-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/2504-36-0x00000000747A0000-0x0000000074E8E000-memory.dmp

      Filesize

      6.9MB

    • memory/2504-26-0x00000000747A0000-0x0000000074E8E000-memory.dmp

      Filesize

      6.9MB

    • memory/2572-24-0x0000000002970000-0x00000000029B0000-memory.dmp

      Filesize

      256KB

    • memory/2572-27-0x0000000002970000-0x00000000029B0000-memory.dmp

      Filesize

      256KB

    • memory/2572-25-0x0000000073680000-0x0000000073C2B000-memory.dmp

      Filesize

      5.7MB

    • memory/2572-38-0x0000000073680000-0x0000000073C2B000-memory.dmp

      Filesize

      5.7MB

    • memory/2572-23-0x0000000073680000-0x0000000073C2B000-memory.dmp

      Filesize

      5.7MB