Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/03/2024, 00:49

General

  • Target
    48cf671b76382e269d5df9a54d13eef6_JaffaCakes118.ps1
  • Size 84KB
  • Sample240331-a6s29sbb74
  • SHA256 e73cf088fe7f739370ea226f1afbf172608d9a14af240fd58411ccbf21c7d27b
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • asyncrat

Version
  • 1.0.7

Botnet
  • Default

C2
  • rick63.publicvm.com:5900

Mutex
  • DcRatMutex_qwqdanchun

Attributes
  • delay

    1

  • 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 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\48cf671b76382e269d5df9a54d13eef6_JaffaCakes118.ps1
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2352
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
      2⤵
        PID:3372
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1008 --field-trial-handle=2252,i,3429015581403167983,2708022432612919502,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:752

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            __PSScriptPolicyTest_mfehpcwn.vtg.ps1

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

            memory/2352-14-0x0000019337530000-0x00000193375A6000-memory.dmp

            memory/2352-17-0x000001931CF90000-0x000001931CF9A000-memory.dmp

            memory/2352-12-0x0000019336E70000-0x0000019336E80000-memory.dmp

            memory/2352-11-0x0000019336E70000-0x0000019336E80000-memory.dmp

            memory/2352-13-0x0000019336E70000-0x0000019336E80000-memory.dmp

            memory/2352-9-0x00000193370F0000-0x0000019337112000-memory.dmp

            memory/2352-15-0x0000019337AE0000-0x0000019338008000-memory.dmp

            memory/2352-10-0x00007FFB007A0000-0x00007FFB01261000-memory.dmp

            memory/2352-21-0x00007FFB007A0000-0x00007FFB01261000-memory.dmp

            memory/3372-18-0x0000000000400000-0x0000000000412000-memory.dmp

            memory/3372-22-0x00000000753F0000-0x0000000075BA0000-memory.dmp

            memory/3372-23-0x0000000005700000-0x0000000005710000-memory.dmp

            memory/3372-24-0x00000000753F0000-0x0000000075BA0000-memory.dmp

            memory/3372-25-0x0000000005700000-0x0000000005710000-memory.dmp