Analysis

  • max time kernel
    241s
  • max time network
    256s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 22:50

General

  • Target

    06c42097d88e1fd45a3d2370aa01579514391ce7f40ef5ebf12f778671e618cd.exe

  • Size

    512KB

  • MD5

    08d85ed431b035ae05a00125f9b8f927

  • SHA1

    21908bfbc8de6ae680ce15e9ad6a881d993b5d43

  • SHA256

    06c42097d88e1fd45a3d2370aa01579514391ce7f40ef5ebf12f778671e618cd

  • SHA512

    6d2003c09f30d0a1443471a1f9460fb735f0d54e9cc0a4d843cbfed7d7356377c5297eade7f095b40d38d3f94f7af08a7037b66c5b93c6483cb95465fc0e2b09

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4L:0+h9OY70z+warul3E4L

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\06c42097d88e1fd45a3d2370aa01579514391ce7f40ef5ebf12f778671e618cd.exe
    "C:\Users\Admin\AppData\Local\Temp\06c42097d88e1fd45a3d2370aa01579514391ce7f40ef5ebf12f778671e618cd.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3588
    • C:\Users\Admin\AppData\Local\Temp\n5001\s5001.exe
      "C:\Users\Admin\AppData\Local\Temp\n5001\s5001.exe" 3d128da852275bb7001d9491G1LNNr+tc5ApbEF5cxq/TwnhMa7HUOv/0Vf8Fd74bQ98/BZkEMbc4FRCc42gcq2HT2sfjVP0y1Ce9R5xIqmbM1GR92Dy+zskcMR0+pYRsLInhtkl3Eac2w6yNEMM7h3zSnzP2wK1AE5nmY30zp8/pTBC /v "C:\Users\Admin\AppData\Local\Temp\06c42097d88e1fd45a3d2370aa01579514391ce7f40ef5ebf12f778671e618cd.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:400

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n5001\s5001.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n5001\s5001.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/400-135-0x00007FFE96F70000-0x00007FFE979A6000-memory.dmp

          Filesize

          10.2MB

        • memory/400-136-0x00000000011AA000-0x00000000011AF000-memory.dmp

          Filesize

          20KB

        • memory/400-137-0x00000000011AA000-0x00000000011AF000-memory.dmp

          Filesize

          20KB