Analysis

  • max time kernel
    188s
  • max time network
    192s
  • 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 12:23

General

  • Target

    c691ad68b19f669233281c07db233466fcc702d81d2d5c10865db6cd1134a088.exe

  • Size

    512KB

  • MD5

    b6bbea0a7fbfda959724c21159c304ba

  • SHA1

    3426b127001454e76c747dad0cefb5e0076d2325

  • SHA256

    c691ad68b19f669233281c07db233466fcc702d81d2d5c10865db6cd1134a088

  • SHA512

    c5426312af37037fe9e5b93f6831f15614ca89710b12d3ae628e93a3ffe5c8562d4127c3a35b41e6cadeffbd026d165229ff33f3b1607d533c5f5a825e4e7741

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4p:0+h9OY70z+warul3E4p

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\c691ad68b19f669233281c07db233466fcc702d81d2d5c10865db6cd1134a088.exe
    "C:\Users\Admin\AppData\Local\Temp\c691ad68b19f669233281c07db233466fcc702d81d2d5c10865db6cd1134a088.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:2200
    • C:\Users\Admin\AppData\Local\Temp\n7568\s7568.exe
      "C:\Users\Admin\AppData\Local\Temp\n7568\s7568.exe" 7830e4335097800b4329f7585PJhpTTlBb7PbNlY9sSdv4jQlhH+AgBjOov3leK9O5VJQhHZ5u1FW1vR8RBeVqkp6kNomaFzSZ4l9g/Y03xgAt57M1a4eni/MWlTjqD3xwSsA6BSf2dSF9h4i6YndEfi24wypxVh5WAvdR1epJZ6yHcz /v "C:\Users\Admin\AppData\Local\Temp\c691ad68b19f669233281c07db233466fcc702d81d2d5c10865db6cd1134a088.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:4752

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n7568\s7568.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n7568\s7568.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/4752-132-0x0000000000000000-mapping.dmp

  • memory/4752-135-0x000000001BC40000-0x000000001C676000-memory.dmp

    Filesize

    10.2MB

  • memory/4752-136-0x0000000000B4A000-0x0000000000B4F000-memory.dmp

    Filesize

    20KB

  • memory/4752-137-0x0000000000B4A000-0x0000000000B4F000-memory.dmp

    Filesize

    20KB

  • memory/4752-138-0x0000000000B4A000-0x0000000000B4F000-memory.dmp

    Filesize

    20KB