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Analysis

  • max time kernel
    124s
  • max time network
    115s
  • 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, 06:13

General

  • Target

    7b545826d4c80e7dc461ebae6c6dd9a3ddadec34a907d988744a485390bd6d54.exe

  • Size

    2.6MB

  • MD5

    06d1930575f5e3d2ef24b09275650dd3

  • SHA1

    f721980b35e51016f088d394c32df3aaef08e557

  • SHA256

    7b545826d4c80e7dc461ebae6c6dd9a3ddadec34a907d988744a485390bd6d54

  • SHA512

    4f036899fda417edfd5c82582f4c5abe9790c70d9e009003f039aafffd874353196266d4aca9667913bcc149cd8ed4a488ec7c42fed6b73a2c25f949a80a3205

  • SSDEEP

    49152:eapljSe2SpnpDL39r34BR1kg0wQYhD/Nhoa9Tx4gb:eElnp9L39r34BR1kg0wQsDVzTx4gb

Malware Config

Extracted

Family

asyncrat

Version

5.0.5

Botnet

Venom Clients

C2

147.185.221.27:3368

Mutex

Venom_RAT_HVNC_Mutex_Venom RAT_HVNC

Attributes
  • delay

    1

  • install

    true

  • install_file

    Update.exe

  • install_folder

    %Temp%

aes.plain

Signatures

  • AsyncRat

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

  • Asyncrat family
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7b545826d4c80e7dc461ebae6c6dd9a3ddadec34a907d988744a485390bd6d54.exe
    "C:\Users\Admin\AppData\Local\Temp\7b545826d4c80e7dc461ebae6c6dd9a3ddadec34a907d988744a485390bd6d54.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2448
    • C:\Users\Admin\AppData\Local\Temp\7b545826d4c80e7dc461ebae6c6dd9a3ddadec34a907d988744a485390bd6d54.exe
      "C:\Users\Admin\AppData\Local\Temp\7b545826d4c80e7dc461ebae6c6dd9a3ddadec34a907d988744a485390bd6d54.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4892
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 1164
        3⤵
        • Program crash
        PID:2736
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4892 -ip 4892
    1⤵
      PID:5988

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\7b545826d4c80e7dc461ebae6c6dd9a3ddadec34a907d988744a485390bd6d54.exe.log

      Filesize

      517B

      MD5

      4d737622dcf53d4cf89810ec284fdf89

      SHA1

      a71b0c3ac6b940047ca7730465c1f97342c8ca08

      SHA256

      7d5529c9d51a138cea4ae46faa32497ccf1e55d6bd5aa43f746d413ce80fa1cb

      SHA512

      acf53d9d2ffe5e3dd34760e3c8e138229ee9805387ddf0765266ee882268cf64f84fb4a1b79aee3f90b88b50f1a1bbf10c9ba7a1013496059b46f3abe9c859c6

    • memory/2448-23-0x00000000746A0000-0x0000000074E50000-memory.dmp

      Filesize

      7.7MB

    • memory/2448-44-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-34-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-57-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-68-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-66-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-64-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-62-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-60-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-58-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-54-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-53-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-51-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-48-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-46-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-17-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-38-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-32-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-30-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-29-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-26-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-0-0x00000000746AE000-0x00000000746AF000-memory.dmp

      Filesize

      4KB

    • memory/2448-21-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-19-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-4164-0x00000000746AE000-0x00000000746AF000-memory.dmp

      Filesize

      4KB

    • memory/2448-13-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-11-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-9-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-7-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-42-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-40-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-36-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-24-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-5-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-4-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-3-0x00000000746A0000-0x0000000074E50000-memory.dmp

      Filesize

      7.7MB

    • memory/2448-2-0x0000000005790000-0x00000000058BE000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-4291-0x00000000746A0000-0x0000000074E50000-memory.dmp

      Filesize

      7.7MB

    • memory/2448-15-0x0000000005790000-0x00000000058B8000-memory.dmp

      Filesize

      1.2MB

    • memory/2448-24389-0x0000000005D40000-0x0000000005DA6000-memory.dmp

      Filesize

      408KB

    • memory/2448-1-0x00000000009B0000-0x0000000000C5C000-memory.dmp

      Filesize

      2.7MB

    • memory/2448-24394-0x00000000746A0000-0x0000000074E50000-memory.dmp

      Filesize

      7.7MB

    • memory/4892-24393-0x00000000746A0000-0x0000000074E50000-memory.dmp

      Filesize

      7.7MB

    • memory/4892-24392-0x0000000000800000-0x0000000000816000-memory.dmp

      Filesize

      88KB

    • memory/4892-24395-0x00000000746A0000-0x0000000074E50000-memory.dmp

      Filesize

      7.7MB

    • memory/4892-24396-0x00000000746A0000-0x0000000074E50000-memory.dmp

      Filesize

      7.7MB