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Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/11/2022, 06:48

General

  • Target

    e5c1063b8e2468a024335ab006d11d27ba6044a0360d2dc259af205a02192d55.exe

  • Size

    512KB

  • MD5

    b5f4e931de8160eba0926a6fd847d00a

  • SHA1

    ec319891449970ccbf19cb78012b8b34a1b74881

  • SHA256

    e5c1063b8e2468a024335ab006d11d27ba6044a0360d2dc259af205a02192d55

  • SHA512

    b3ef1fc93fe737ef767dd5bd6eb0d4d1cdd758db527c8190c9662d9036d18f2c0fef3af5f61b1b1b92147168b718053cac43246eb6ea79e690595fa1ed4e50d8

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4Q:0+h9OY70z+warul3E4Q

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\e5c1063b8e2468a024335ab006d11d27ba6044a0360d2dc259af205a02192d55.exe
    "C:\Users\Admin\AppData\Local\Temp\e5c1063b8e2468a024335ab006d11d27ba6044a0360d2dc259af205a02192d55.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:2080
    • C:\Users\Admin\AppData\Local\Temp\n5143\s5143.exe
      "C:\Users\Admin\AppData\Local\Temp\n5143\s5143.exe" 57606ad5d2c1fb62edf38fea+fa/4YunOCVCxqT6QMfZX8ZeqNZ2qvGT2eT+BUJFI2H7m7jwVm53zaLx4j6B5f7mdcTiwhjmCI2oPIU5Xc6Frf0lE5v3Q6aW2r6Cmre1++JxHLaAHWJHdv2EVBX8aV3eJjaNkGhncXLyZWN/RdAVWK9Q /v "C:\Users\Admin\AppData\Local\Temp\e5c1063b8e2468a024335ab006d11d27ba6044a0360d2dc259af205a02192d55.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:1244

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n5143\s5143.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n5143\s5143.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1244-135-0x00007FF85CB80000-0x00007FF85D5B6000-memory.dmp

    Filesize

    10.2MB

  • memory/1244-136-0x0000000000D4A000-0x0000000000D4F000-memory.dmp

    Filesize

    20KB

  • memory/1244-137-0x0000000000D4A000-0x0000000000D4F000-memory.dmp

    Filesize

    20KB

  • memory/1244-138-0x0000000000D4A000-0x0000000000D4F000-memory.dmp

    Filesize

    20KB