Analysis

  • max time kernel
    126s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/03/2025, 06:17

General

  • Target

    de41dac906b1f4218d2cf3e93d994af2.exe

  • Size

    211KB

  • MD5

    de41dac906b1f4218d2cf3e93d994af2

  • SHA1

    f7f121a5c283da23bd6038119cefb56ffe956074

  • SHA256

    4725aee3b6b9b01f81a1288d83f24a061adeea4a18a61e9255063900041ffa46

  • SHA512

    1c165685801c23fd45f7ae28b4c3ea48fa9a354a47edf417d345573219ede67663174cbdf18fb202d0ba2b2495016f1c8be7d66be92337e1f0324cf56205998b

  • SSDEEP

    6144:ShOGf/c6q4gHtLu3faUzPFzzGy2jt45JrzrnKpUsD4l:mf/c6rSK3faGX1r3lsD4l

Malware Config

Extracted

Family

asyncrat

Version

5.0.5

Botnet

Venom Clients

C2

103.125.217.116:4449

Mutex

Venom_RAT_HVNC_Mutex_Venom RAT_HVNC

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#.

  • Asyncrat family
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\de41dac906b1f4218d2cf3e93d994af2.exe
    "C:\Users\Admin\AppData\Local\Temp\de41dac906b1f4218d2cf3e93d994af2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1792
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Remove-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'chome_exe';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'chome_exe' -Value '"C:\Users\Admin\Videos\vlc\swatdla trtvg.exe"' -PropertyType 'String'
      2⤵
      • Adds Run key to start application
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:6140
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4908

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hrveoass.o3w.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1792-8-0x0000000005AC0000-0x0000000005ADA000-memory.dmp

    Filesize

    104KB

  • memory/1792-10-0x0000000005B50000-0x0000000005B6E000-memory.dmp

    Filesize

    120KB

  • memory/1792-2-0x0000000005DC0000-0x0000000006364000-memory.dmp

    Filesize

    5.6MB

  • memory/1792-5-0x0000000005A40000-0x0000000005A4A000-memory.dmp

    Filesize

    40KB

  • memory/1792-4-0x0000000074790000-0x0000000074F40000-memory.dmp

    Filesize

    7.7MB

  • memory/1792-6-0x000000007479E000-0x000000007479F000-memory.dmp

    Filesize

    4KB

  • memory/1792-7-0x0000000074790000-0x0000000074F40000-memory.dmp

    Filesize

    7.7MB

  • memory/1792-1-0x0000000000E70000-0x0000000000EAA000-memory.dmp

    Filesize

    232KB

  • memory/1792-3-0x00000000058B0000-0x0000000005942000-memory.dmp

    Filesize

    584KB

  • memory/1792-0-0x000000007479E000-0x000000007479F000-memory.dmp

    Filesize

    4KB

  • memory/1792-9-0x0000000005B80000-0x0000000005BF6000-memory.dmp

    Filesize

    472KB

  • memory/1792-18-0x0000000074790000-0x0000000074F40000-memory.dmp

    Filesize

    7.7MB

  • memory/4908-43-0x0000000074790000-0x0000000074F40000-memory.dmp

    Filesize

    7.7MB

  • memory/4908-15-0x0000000074790000-0x0000000074F40000-memory.dmp

    Filesize

    7.7MB

  • memory/4908-44-0x0000000074790000-0x0000000074F40000-memory.dmp

    Filesize

    7.7MB

  • memory/4908-12-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/4908-36-0x0000000074790000-0x0000000074F40000-memory.dmp

    Filesize

    7.7MB

  • memory/6140-17-0x0000000074790000-0x0000000074F40000-memory.dmp

    Filesize

    7.7MB

  • memory/6140-22-0x0000000005EA0000-0x0000000005F06000-memory.dmp

    Filesize

    408KB

  • memory/6140-21-0x0000000005D40000-0x0000000005DA6000-memory.dmp

    Filesize

    408KB

  • memory/6140-20-0x0000000005530000-0x0000000005552000-memory.dmp

    Filesize

    136KB

  • memory/6140-28-0x0000000006010000-0x0000000006364000-memory.dmp

    Filesize

    3.3MB

  • memory/6140-33-0x0000000074790000-0x0000000074F40000-memory.dmp

    Filesize

    7.7MB

  • memory/6140-34-0x0000000006680000-0x000000000669E000-memory.dmp

    Filesize

    120KB

  • memory/6140-35-0x00000000066A0000-0x00000000066EC000-memory.dmp

    Filesize

    304KB

  • memory/6140-19-0x0000000074790000-0x0000000074F40000-memory.dmp

    Filesize

    7.7MB

  • memory/6140-39-0x0000000006BC0000-0x0000000006BE2000-memory.dmp

    Filesize

    136KB

  • memory/6140-38-0x0000000006B70000-0x0000000006B8A000-memory.dmp

    Filesize

    104KB

  • memory/6140-37-0x0000000007640000-0x00000000076D6000-memory.dmp

    Filesize

    600KB

  • memory/6140-42-0x0000000074790000-0x0000000074F40000-memory.dmp

    Filesize

    7.7MB

  • memory/6140-16-0x0000000005710000-0x0000000005D38000-memory.dmp

    Filesize

    6.2MB

  • memory/6140-14-0x0000000005060000-0x0000000005096000-memory.dmp

    Filesize

    216KB