Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/07/2024, 17:55

General

  • Target

    8912a860fea905932645a87fb22455057e7fee4aa6f64a3cf0a2ef28e810f6ae.exe

  • Size

    3.9MB

  • MD5

    c8de9399c22a91d81bc9ecbe502556c1

  • SHA1

    5c70471cb9b4278052561db539b2004fa02b2e90

  • SHA256

    8912a860fea905932645a87fb22455057e7fee4aa6f64a3cf0a2ef28e810f6ae

  • SHA512

    b699d636a745596591dde641f0bd4d27a7b8b98287390f39e5d61c9f1faccec975c100ec7d41176eb6536dc59cbc9258addbd69fd9014f0480d3e23f966399a9

  • SSDEEP

    49152:JOb699GhOeeYrHhxNg0Dobuh9CY501gFji3o8SIP1qJ5+BXldQJmnt7wBHQ:L9vYrdnfsSIAJYBXlVwBw

Malware Config

Extracted

Family

asyncrat

Version

0.0.1A

Botnet

Default

C2

185.216.214.217:5858

Mutex

fghre9ijuve9 juejuoirujiovijo

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#.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8912a860fea905932645a87fb22455057e7fee4aa6f64a3cf0a2ef28e810f6ae.exe
    "C:\Users\Admin\AppData\Local\Temp\8912a860fea905932645a87fb22455057e7fee4aa6f64a3cf0a2ef28e810f6ae.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4588
    • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
      C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath $env:UserProfile
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4092
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\CasPol.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\CasPol.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2432

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_n3g4btah.pm0.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2432-14-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/2432-15-0x00007FFFAA360000-0x00007FFFAAE21000-memory.dmp

    Filesize

    10.8MB

  • memory/2432-18-0x00007FFFAA360000-0x00007FFFAAE21000-memory.dmp

    Filesize

    10.8MB

  • memory/4092-0-0x00007FFFAA363000-0x00007FFFAA365000-memory.dmp

    Filesize

    8KB

  • memory/4092-6-0x000001F963A00000-0x000001F963A22000-memory.dmp

    Filesize

    136KB

  • memory/4092-11-0x00007FFFAA360000-0x00007FFFAAE21000-memory.dmp

    Filesize

    10.8MB

  • memory/4092-12-0x00007FFFAA360000-0x00007FFFAAE21000-memory.dmp

    Filesize

    10.8MB

  • memory/4092-17-0x00007FFFAA360000-0x00007FFFAAE21000-memory.dmp

    Filesize

    10.8MB