Analysis

  • max time kernel
    163s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 22:56

General

  • Target

    7ed219b9ae1329d46557d8d09e8cec228f0236b67034272c6be0f99c63c16d43.exe

  • Size

    512KB

  • MD5

    e563e19a34ae74ddce019b9f8076808a

  • SHA1

    34ce4f004a103d360ec04d0ca6e857e83910c0e5

  • SHA256

    7ed219b9ae1329d46557d8d09e8cec228f0236b67034272c6be0f99c63c16d43

  • SHA512

    63d3a9129dce04523cce810b54f6096e99f74972986076d8e04290a292b04cbdb8dbd8063f1ad5186d9ccfcf807039e2fb87c48fb84c4cf5541591edbc8fc08c

  • 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\7ed219b9ae1329d46557d8d09e8cec228f0236b67034272c6be0f99c63c16d43.exe
    "C:\Users\Admin\AppData\Local\Temp\7ed219b9ae1329d46557d8d09e8cec228f0236b67034272c6be0f99c63c16d43.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:1268
    • C:\Users\Admin\AppData\Local\Temp\n3975\s3975.exe
      "C:\Users\Admin\AppData\Local\Temp\n3975\s3975.exe" c81d6b9127d9143c9cf225d3j3MDJvPVAaiRAtBqjknk0gahUsBTJB55KSk6yOINxc6gjA9Qz1C4WdiXEEnK3XfmVT8UucmzYUN9NKkIWBW32n16+mFwGKqoX0Nmi59CXn6vQENtQBoOxgZDASLpOpPMI7OXfvmkArUWmz3OF76PiUF8 /v "C:\Users\Admin\AppData\Local\Temp\7ed219b9ae1329d46557d8d09e8cec228f0236b67034272c6be0f99c63c16d43.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:4268

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n3975\s3975.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n3975\s3975.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/4268-135-0x000000001C720000-0x000000001D156000-memory.dmp

          Filesize

          10.2MB

        • memory/4268-136-0x00000000014FA000-0x00000000014FF000-memory.dmp

          Filesize

          20KB