Analysis

  • max time kernel
    151s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-11-2023 18:41

General

  • Target

    VenomRAT_HVNC.exe

  • Size

    16.6MB

  • MD5

    5384c0396589430eeb3d1a2e05703e9a

  • SHA1

    20da44da7639bbef2f6b5bfc21df7474cd1109af

  • SHA256

    b4250aff983f1f588593baed1adb4797e6c1ab6225595ebd013b50348a57a459

  • SHA512

    9bf613ee62b0e56af500dd88f572b2221ad6df63b0b4c0dcb0ef763efcebeac633a95f10dfce90f6cff038df2810681dd55dcdd272eb9f907c670cc2e4f7363a

  • SSDEEP

    393216:Al9Yl7Elel7ElAlQleTl/l/l/l/l/lzlml/lqlZlHl/l/l/l/l/l/lIlAl+lUl2L:6TXT

Score
10/10

Malware Config

Signatures

  • AsyncRat

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

  • Async RAT payload 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\VenomRAT_HVNC.exe
    "C:\Users\Admin\AppData\Local\Temp\VenomRAT_HVNC.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2788
  • C:\Windows\system32\wbem\WmiApSrv.exe
    C:\Windows\system32\wbem\WmiApSrv.exe
    1⤵
      PID:4256

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\ce5561ca-8be2-48c6-aded-c0fd7a17d1be\AgileDotNetRT.dll

      Filesize

      94KB

      MD5

      14ff402962ad21b78ae0b4c43cd1f194

      SHA1

      f8a510eb26666e875a5bdd1cadad40602763ad72

      SHA256

      fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b

      SHA512

      daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b

    • C:\Users\Admin\AppData\Local\Temp\ce5561ca-8be2-48c6-aded-c0fd7a17d1be\AgileDotNetRT.dll

      Filesize

      94KB

      MD5

      14ff402962ad21b78ae0b4c43cd1f194

      SHA1

      f8a510eb26666e875a5bdd1cadad40602763ad72

      SHA256

      fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b

      SHA512

      daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b

    • C:\Users\Admin\AppData\Local\VenomRAT_HVNC\VenomRAT_HVNC.exe_Url_5cz5fpuyjl12et1mepvmd5dp1sycc15w\5.0.4.0\user.config

      Filesize

      337B

      MD5

      b5763604c0fac9db744369988d8dc4d5

      SHA1

      1093595809be379a8112206e7bf7ce01d43e7f59

      SHA256

      124d4c2e09f12760def84a0e725944533405b41bc2f2fc481fb74c10fe7ba36a

      SHA512

      d475c1a8877347d9498280fa6080f9bdb8738a33b5030aea9e04a5ab9dd6e68e42f01d129667f51974fce5942ba1b0dda95d87490e1f387645df97dd3afa860c

    • C:\Users\Admin\AppData\Local\VenomRAT_HVNC\VenomRAT_HVNC.exe_Url_5cz5fpuyjl12et1mepvmd5dp1sycc15w\5.0.4.0\user.config

      Filesize

      459B

      MD5

      bcc5c03a535e667be5f555ecebd9e8ba

      SHA1

      200469a59924edfb906706caf83d1780bc4c6c18

      SHA256

      19fb41c1060c72be295baab9c6a564601d8461401f3f24315eead171c441e231

      SHA512

      547b2407dcdae631c79cb9894f8bf972f89929b9c6879a523ade0a73d4959f059565aab804e12aa98fbbbe3397e62f98705bed16ddd56b519793a28959b25ab5

    • memory/2788-15-0x0000000073400000-0x0000000073489000-memory.dmp

      Filesize

      548KB

    • memory/2788-16-0x0000000006630000-0x0000000006640000-memory.dmp

      Filesize

      64KB

    • memory/2788-6-0x00000000065B0000-0x00000000065BA000-memory.dmp

      Filesize

      40KB

    • memory/2788-7-0x0000000006F30000-0x0000000007140000-memory.dmp

      Filesize

      2.1MB

    • memory/2788-4-0x0000000006480000-0x0000000006492000-memory.dmp

      Filesize

      72KB

    • memory/2788-3-0x00000000064D0000-0x0000000006562000-memory.dmp

      Filesize

      584KB

    • memory/2788-0-0x00000000749F0000-0x00000000751A0000-memory.dmp

      Filesize

      7.7MB

    • memory/2788-5-0x0000000006630000-0x0000000006640000-memory.dmp

      Filesize

      64KB

    • memory/2788-17-0x00000000749F0000-0x00000000751A0000-memory.dmp

      Filesize

      7.7MB

    • memory/2788-18-0x0000000006630000-0x0000000006640000-memory.dmp

      Filesize

      64KB

    • memory/2788-19-0x0000000006630000-0x0000000006640000-memory.dmp

      Filesize

      64KB

    • memory/2788-20-0x000000000C4E0000-0x000000000C732000-memory.dmp

      Filesize

      2.3MB

    • memory/2788-23-0x0000000006630000-0x0000000006640000-memory.dmp

      Filesize

      64KB

    • memory/2788-24-0x0000000006630000-0x0000000006640000-memory.dmp

      Filesize

      64KB

    • memory/2788-2-0x0000000006980000-0x0000000006F24000-memory.dmp

      Filesize

      5.6MB

    • memory/2788-1-0x0000000000A40000-0x0000000001ADA000-memory.dmp

      Filesize

      16.6MB