Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3d7d4ced171a608319381205863c8789_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3d7d4ced171a608319381205863c8789_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2080
    • 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:3216
    • C:\Users\Admin\AppData\Local\Temp\3d7d4ced171a608319381205863c8789_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\3d7d4ced171a608319381205863c8789_JaffaCakes118.exe
      2⤵
      • Checks computer location settings
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2624
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8w5blQKiAtog.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4368
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
            PID:2076
          • C:\Windows\SysWOW64\PING.EXE
            ping -n 10 localhost
            4⤵
            • Runs ping.exe
            PID:3044

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3d7d4ced171a608319381205863c8789_JaffaCakes118.exe.log

      Filesize

      701B

      MD5

      52b221120edd185f21764edb9b5c291e

      SHA1

      634ab8e2ca51714463bdd999f6802378239bd5e0

      SHA256

      7e57d59bcd69cfc7263f036079453914adfbc6b44dad75f1206f1c60805f4ef1

      SHA512

      f83ae9368ce2fce7b6df41fb96d8e6233591497c2522859a4caab8e079ae6d47d8195ffaf5d9d71c317d187be65300d55a0749eb2570058b7b04f63a8459fbd2

    • C:\Users\Admin\AppData\Local\Temp\8w5blQKiAtog.bat

      Filesize

      243B

      MD5

      6c6b3dda4f61f33417711da8c10e134a

      SHA1

      542c3ccfeb5f0e4f5de6f07447a3291b6e5d6bfa

      SHA256

      8ed25e69db4464448cbba2e0c8f6e63db204e1280029560bed5e06001084aee7

      SHA512

      c73dbca8f0c993dac1ac169ab9e68c622b6de9b03a3a06c6ad46e1f518626c350764f436b929be9cd3a44c2bdc167361e5f3c84d87ccc9a060ef34df252b70cf

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_adp2wjqv.eht.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/2080-19-0x0000000074AA0000-0x0000000075250000-memory.dmp

      Filesize

      7.7MB

    • memory/2080-1-0x0000000074AA0000-0x0000000075250000-memory.dmp

      Filesize

      7.7MB

    • memory/2080-5-0x0000000005FC0000-0x0000000006026000-memory.dmp

      Filesize

      408KB

    • memory/2080-6-0x00000000066B0000-0x0000000006C54000-memory.dmp

      Filesize

      5.6MB

    • memory/2080-7-0x0000000005CB0000-0x0000000005CC0000-memory.dmp

      Filesize

      64KB

    • memory/2080-9-0x00000000071F0000-0x000000000722E000-memory.dmp

      Filesize

      248KB

    • memory/2080-4-0x0000000006060000-0x00000000060F2000-memory.dmp

      Filesize

      584KB

    • memory/2080-3-0x0000000074AA0000-0x0000000075250000-memory.dmp

      Filesize

      7.7MB

    • memory/2080-0-0x0000000000FA0000-0x0000000001106000-memory.dmp

      Filesize

      1.4MB

    • memory/2080-2-0x0000000005AD0000-0x0000000005C30000-memory.dmp

      Filesize

      1.4MB

    • memory/2624-13-0x0000000074AA0000-0x0000000075250000-memory.dmp

      Filesize

      7.7MB

    • memory/2624-16-0x00000000050C0000-0x00000000050D0000-memory.dmp

      Filesize

      64KB

    • memory/2624-35-0x00000000064D0000-0x000000000650C000-memory.dmp

      Filesize

      240KB

    • memory/2624-40-0x0000000074AA0000-0x0000000075250000-memory.dmp

      Filesize

      7.7MB

    • memory/2624-10-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/2624-34-0x0000000005E50000-0x0000000005E62000-memory.dmp

      Filesize

      72KB

    • memory/3216-12-0x0000000074AA0000-0x0000000075250000-memory.dmp

      Filesize

      7.7MB

    • memory/3216-30-0x0000000005F90000-0x0000000005FF6000-memory.dmp

      Filesize

      408KB

    • memory/3216-31-0x00000000060B0000-0x0000000006404000-memory.dmp

      Filesize

      3.3MB

    • memory/3216-32-0x0000000006510000-0x000000000652E000-memory.dmp

      Filesize

      120KB

    • memory/3216-33-0x0000000006560000-0x00000000065AC000-memory.dmp

      Filesize

      304KB

    • memory/3216-25-0x0000000005DA0000-0x0000000005DC2000-memory.dmp

      Filesize

      136KB

    • memory/3216-17-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

      Filesize

      64KB

    • memory/3216-14-0x0000000005640000-0x0000000005C68000-memory.dmp

      Filesize

      6.2MB

    • memory/3216-18-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

      Filesize

      64KB

    • memory/3216-11-0x0000000004FD0000-0x0000000005006000-memory.dmp

      Filesize

      216KB

    • memory/3216-42-0x0000000007B50000-0x00000000081CA000-memory.dmp

      Filesize

      6.5MB

    • memory/3216-43-0x0000000006A20000-0x0000000006A3A000-memory.dmp

      Filesize

      104KB

    • memory/3216-44-0x0000000007770000-0x0000000007806000-memory.dmp

      Filesize

      600KB

    • memory/3216-45-0x0000000006AF0000-0x0000000006B12000-memory.dmp

      Filesize

      136KB

    • memory/3216-48-0x0000000074AA0000-0x0000000075250000-memory.dmp

      Filesize

      7.7MB