Analysis

  • max time kernel
    84s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/11/2022, 00:01

General

  • Target

    2ca9cb4c84ebc57e7ded88b2d00db4c9cd0346426048a74b74bc5ce09ff1aeee.exe

  • Size

    512KB

  • MD5

    0d21769875bc424586a48fb19469ab05

  • SHA1

    d2ef5d9337b308ccb6d9983e6d2b03f683db48e0

  • SHA256

    2ca9cb4c84ebc57e7ded88b2d00db4c9cd0346426048a74b74bc5ce09ff1aeee

  • SHA512

    1e83df9d50fd30160f7411aecfec7277f247bc4de29fa9c28b14fe7927e2043b4628a91e4e3841f1319886bd5cf03a18028c48972f8e7fd64b587f2e79173c59

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4v:0+h9OY70z+warul3E4v

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 5 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\2ca9cb4c84ebc57e7ded88b2d00db4c9cd0346426048a74b74bc5ce09ff1aeee.exe
    "C:\Users\Admin\AppData\Local\Temp\2ca9cb4c84ebc57e7ded88b2d00db4c9cd0346426048a74b74bc5ce09ff1aeee.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:3884
    • C:\Users\Admin\AppData\Local\Temp\n2463\s2463.exe
      "C:\Users\Admin\AppData\Local\Temp\n2463\s2463.exe" c6de07863a1de81c3ac669bbGydLe0jdiW4M2FjNTFC76Qppv5o2mSzlLnXhTe7cPAtdAu494oop8I+JbhzbcJ/TF8RfA4sse7YL6quHCzyFRyAqjQ7td70l+D/8thosZTjhHHmywXxYL7FzgQZ0UYGaUh9Omt7kmBzV+H5Y3S+YSTX5 /v "C:\Users\Admin\AppData\Local\Temp\2ca9cb4c84ebc57e7ded88b2d00db4c9cd0346426048a74b74bc5ce09ff1aeee.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:5044

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n2463\s2463.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n2463\s2463.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/5044-135-0x00007FFFE6810000-0x00007FFFE7246000-memory.dmp

          Filesize

          10.2MB

        • memory/5044-136-0x000000000173A000-0x000000000173F000-memory.dmp

          Filesize

          20KB

        • memory/5044-137-0x000000000173A000-0x000000000173F000-memory.dmp

          Filesize

          20KB