Analysis

  • max time kernel
    146s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/04/2024, 19:55

General

  • Target
    f436f06e1b7e1d1e6f795ca10086a5e9_JaffaCakes118.exe
  • Size 169KB
  • Sample240416-ynfk8acf6v
  • SHA256 d82786dd43e20aea1972646855e9714d053e86bd41cb5d8767ff038c52cce68f
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.7B

Botnet
  • Default

C2
  • info07.ddns.net:1177

Mutex
  • AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Drops startup file 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f436f06e1b7e1d1e6f795ca10086a5e9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f436f06e1b7e1d1e6f795ca10086a5e9_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:184
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe
      "PowerShell" copy-item 'C:\Users\Admin\AppData\Local\Temp\f436f06e1b7e1d1e6f795ca10086a5e9_JaffaCakes118.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Sys.exe'
      2⤵
      • Drops startup file
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4052
    • C:\Users\Admin\AppData\Local\Temp\f436f06e1b7e1d1e6f795ca10086a5e9_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\f436f06e1b7e1d1e6f795ca10086a5e9_JaffaCakes118.exe"
      2⤵
        PID:5032
      • C:\Users\Admin\AppData\Local\Temp\f436f06e1b7e1d1e6f795ca10086a5e9_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\f436f06e1b7e1d1e6f795ca10086a5e9_JaffaCakes118.exe"
        2⤵
          PID:452

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            __PSScriptPolicyTest_3oaz5f2d.j3s.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3oaz5f2d.j3s.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512

            memory/184-29-0x00000000059F0000-0x0000000005A05000-memory.dmp

            memory/184-51-0x0000000005A30000-0x0000000005A31000-memory.dmp

            memory/184-63-0x0000000075060000-0x0000000075810000-memory.dmp

            memory/184-33-0x00000000059F0000-0x0000000005A05000-memory.dmp

            memory/184-50-0x00000000059F0000-0x0000000005A05000-memory.dmp

            memory/184-46-0x00000000059F0000-0x0000000005A05000-memory.dmp

            memory/184-4-0x0000000005F30000-0x00000000064D4000-memory.dmp

            memory/184-48-0x00000000059F0000-0x0000000005A05000-memory.dmp

            memory/184-44-0x00000000059F0000-0x0000000005A05000-memory.dmp

            memory/184-9-0x0000000005A50000-0x0000000005A60000-memory.dmp

            memory/184-11-0x00000000059F0000-0x0000000005A0C000-memory.dmp

            memory/184-39-0x00000000059F0000-0x0000000005A05000-memory.dmp

            memory/184-42-0x00000000059F0000-0x0000000005A05000-memory.dmp

            memory/184-1-0x0000000075060000-0x0000000075810000-memory.dmp

            memory/184-20-0x00000000059F0000-0x0000000005A05000-memory.dmp

            memory/184-14-0x00000000059F0000-0x0000000005A05000-memory.dmp

            memory/184-3-0x0000000075060000-0x0000000075810000-memory.dmp

            memory/184-22-0x00000000059F0000-0x0000000005A05000-memory.dmp

            memory/184-31-0x00000000059F0000-0x0000000005A05000-memory.dmp

            memory/184-0-0x0000000000D10000-0x0000000000D40000-memory.dmp

            memory/184-2-0x00000000056E0000-0x000000000577C000-memory.dmp

            memory/184-36-0x00000000059F0000-0x0000000005A05000-memory.dmp

            memory/452-53-0x0000000075060000-0x0000000075810000-memory.dmp

            memory/452-65-0x00000000051D0000-0x00000000051E0000-memory.dmp

            memory/452-64-0x0000000075060000-0x0000000075810000-memory.dmp

            memory/452-61-0x00000000051D0000-0x00000000051E0000-memory.dmp

            memory/452-52-0x0000000000400000-0x0000000000412000-memory.dmp

            memory/4052-10-0x0000000004BD0000-0x00000000051F8000-memory.dmp

            memory/4052-54-0x0000000006A20000-0x0000000006AB6000-memory.dmp

            memory/4052-7-0x00000000021F0000-0x0000000002200000-memory.dmp

            memory/4052-6-0x0000000075060000-0x0000000075810000-memory.dmp

            memory/4052-23-0x0000000005450000-0x00000000054B6000-memory.dmp

            memory/4052-12-0x0000000005200000-0x0000000005222000-memory.dmp

            memory/4052-5-0x00000000021B0000-0x00000000021E6000-memory.dmp

            memory/4052-8-0x00000000021F0000-0x0000000002200000-memory.dmp

            memory/4052-55-0x0000000005F60000-0x0000000005F7A000-memory.dmp

            memory/4052-56-0x0000000005FE0000-0x0000000006002000-memory.dmp

            memory/4052-60-0x0000000075060000-0x0000000075810000-memory.dmp

            memory/4052-13-0x0000000005370000-0x00000000053D6000-memory.dmp

            memory/4052-35-0x00000000055C0000-0x0000000005914000-memory.dmp

            memory/4052-40-0x0000000005AB0000-0x0000000005AFC000-memory.dmp

            memory/4052-37-0x0000000005A70000-0x0000000005A8E000-memory.dmp