Analysis

  • max time kernel
    133s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-10-2024 19:44

General

  • Target

    SecuriteInfo.com.MSIL.Kryptik.HDZY.tr.31219.13466.exe

  • Size

    469KB

  • MD5

    3c69297a420b00c660113d44eb039254

  • SHA1

    dc8212328e6dd88e713efb161ecaa3fe25d1eb0f

  • SHA256

    142873db547e46701d0630bf254b6e4d7570a37e62194e89264b53410682d9a8

  • SHA512

    70c3e84356bfc0798cb35b42907a64428d08b5816da7b30c7fe365f1c63f6312c68569b3b58e19f90539cc1bdb9a553346c92705ab0363c321b2ae16f3077e63

  • SSDEEP

    12288:9JRUxMAcD2Im3x3I1luJwZrFhwJbAWqpI0:9JRUxjcD2Igh2lj20I0

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

185.106.92.86:4040

Mutex

xcjujxywyntbavbe

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#.

  • VenomRAT 1 IoCs

    Detects VenomRAT.

  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.Kryptik.HDZY.tr.31219.13466.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.Kryptik.HDZY.tr.31219.13466.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:452
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.Kryptik.HDZY.tr.31219.13466.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1216
    • 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 behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1972

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bspqtcj5.rc5.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/452-6-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

    Filesize

    4KB

  • memory/452-2-0x0000000005F30000-0x00000000064D4000-memory.dmp

    Filesize

    5.6MB

  • memory/452-3-0x0000000005980000-0x0000000005A12000-memory.dmp

    Filesize

    584KB

  • memory/452-4-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/452-5-0x0000000005A70000-0x0000000005A7A000-memory.dmp

    Filesize

    40KB

  • memory/452-14-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/452-7-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/452-8-0x0000000005DD0000-0x0000000005DE2000-memory.dmp

    Filesize

    72KB

  • memory/452-9-0x0000000008440000-0x000000000849A000-memory.dmp

    Filesize

    360KB

  • memory/452-10-0x000000000ABB0000-0x000000000AC4C000-memory.dmp

    Filesize

    624KB

  • memory/452-1-0x0000000000E60000-0x0000000000EDA000-memory.dmp

    Filesize

    488KB

  • memory/452-0-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

    Filesize

    4KB

  • memory/1216-22-0x0000000004CD0000-0x0000000004CF2000-memory.dmp

    Filesize

    136KB

  • memory/1216-38-0x0000000070B60000-0x0000000070BAC000-memory.dmp

    Filesize

    304KB

  • memory/1216-18-0x0000000004D10000-0x0000000005338000-memory.dmp

    Filesize

    6.2MB

  • memory/1216-17-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/1216-19-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/1216-61-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/1216-21-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/1216-58-0x00000000071C0000-0x00000000071C8000-memory.dmp

    Filesize

    32KB

  • memory/1216-23-0x00000000053B0000-0x0000000005416000-memory.dmp

    Filesize

    408KB

  • memory/1216-24-0x0000000005420000-0x0000000005486000-memory.dmp

    Filesize

    408KB

  • memory/1216-57-0x00000000071E0000-0x00000000071FA000-memory.dmp

    Filesize

    104KB

  • memory/1216-34-0x0000000005570000-0x00000000058C4000-memory.dmp

    Filesize

    3.3MB

  • memory/1216-35-0x0000000005B80000-0x0000000005B9E000-memory.dmp

    Filesize

    120KB

  • memory/1216-36-0x0000000006000000-0x000000000604C000-memory.dmp

    Filesize

    304KB

  • memory/1216-37-0x0000000006140000-0x0000000006172000-memory.dmp

    Filesize

    200KB

  • memory/1216-15-0x00000000045B0000-0x00000000045E6000-memory.dmp

    Filesize

    216KB

  • memory/1216-48-0x0000000006120000-0x000000000613E000-memory.dmp

    Filesize

    120KB

  • memory/1216-49-0x0000000006B70000-0x0000000006C13000-memory.dmp

    Filesize

    652KB

  • memory/1216-50-0x00000000074E0000-0x0000000007B5A000-memory.dmp

    Filesize

    6.5MB

  • memory/1216-51-0x0000000006EA0000-0x0000000006EBA000-memory.dmp

    Filesize

    104KB

  • memory/1216-52-0x0000000006F10000-0x0000000006F1A000-memory.dmp

    Filesize

    40KB

  • memory/1216-53-0x0000000007120000-0x00000000071B6000-memory.dmp

    Filesize

    600KB

  • memory/1216-54-0x00000000070A0000-0x00000000070B1000-memory.dmp

    Filesize

    68KB

  • memory/1216-55-0x00000000070D0000-0x00000000070DE000-memory.dmp

    Filesize

    56KB

  • memory/1216-56-0x00000000070E0000-0x00000000070F4000-memory.dmp

    Filesize

    80KB

  • memory/1972-11-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/1972-13-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/1972-20-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/1972-62-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB