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Analysis

  • max time kernel
    68s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 22:37

General

  • Target

    53179317f3bd15b26f0c9bad5161a2fda82efd5f3f84cfabd163ca79d6a472ef.exe

  • Size

    512KB

  • MD5

    03b7d3de4e54572374e9e3f0d5f06c02

  • SHA1

    674d27bda34a185226a6809edb6e019e9c2f93c9

  • SHA256

    53179317f3bd15b26f0c9bad5161a2fda82efd5f3f84cfabd163ca79d6a472ef

  • SHA512

    94a40ea80ca95d2eaa7f6d669376bb30db97d9a954b9bfbaa887e866c371a1b9be35c52051337cc76eef6ba9d36845b0f7dd0c4ae98230204b8cbc0f9fdec48f

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E49:0+h9OY70z+warul3E49

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\53179317f3bd15b26f0c9bad5161a2fda82efd5f3f84cfabd163ca79d6a472ef.exe
    "C:\Users\Admin\AppData\Local\Temp\53179317f3bd15b26f0c9bad5161a2fda82efd5f3f84cfabd163ca79d6a472ef.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:3840
    • C:\Users\Admin\AppData\Local\Temp\n2679\s2679.exe
      "C:\Users\Admin\AppData\Local\Temp\n2679\s2679.exe" 6cf262ad9b9e375480a2589cJegfoI1hRnQkx+PU98zLpTnclOofcfJ7hQNiYEdwX9TqM9eHIzfyTqZhZ7nX4Mbgm8iKSq8EkpoVew3A+tDANmVAlthgMo1ysmxpe7goz6vHURUERdeMXwXEBNx7omb1bu5DWmKE+YVoUVHR/8WQOalI /v "C:\Users\Admin\AppData\Local\Temp\53179317f3bd15b26f0c9bad5161a2fda82efd5f3f84cfabd163ca79d6a472ef.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:4588

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n2679\s2679.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n2679\s2679.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/4588-136-0x000000000098A000-0x000000000098F000-memory.dmp

    Filesize

    20KB

  • memory/4588-137-0x000000000098A000-0x000000000098F000-memory.dmp

    Filesize

    20KB