Analysis

  • max time kernel
    160s
  • max time network
    187s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2022 11:01

General

  • Target

    066c0a1a6cecf430430ed171db69ff5a3e139f5f2e82cd6ebb64409cccb6d34f.exe

  • Size

    512KB

  • MD5

    ba74fb1f02e83f7441360e75d63b471a

  • SHA1

    4b8440c0e99d5a6407e7eb7d82463d066ffb4be3

  • SHA256

    066c0a1a6cecf430430ed171db69ff5a3e139f5f2e82cd6ebb64409cccb6d34f

  • SHA512

    25f4540549ce334e9477389bb8458f5140c2dc20a2cb5744e79c5d024055f876bb923787eec5b6c699154a16b893b526dc61c9687474cd1cd060dc7a0eb015f6

  • 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\066c0a1a6cecf430430ed171db69ff5a3e139f5f2e82cd6ebb64409cccb6d34f.exe
    "C:\Users\Admin\AppData\Local\Temp\066c0a1a6cecf430430ed171db69ff5a3e139f5f2e82cd6ebb64409cccb6d34f.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:1548
    • C:\Users\Admin\AppData\Local\Temp\n3463\s3463.exe
      "C:\Users\Admin\AppData\Local\Temp\n3463\s3463.exe" 57bea6d7757bf6b3d950ca6fR6QM1edRIuik3sPKmoxKvxQhlrkRZDj2sPfJaJyGxGmgrg+2qz5BryiNsxmSUdWTGE9gaMF2bWFIQkrrIF5qOaO4EYh0MOJPQdzSCFkvxDExMjq1Gb1YrtwLKJgp5RNwLITOMIgK7U5ggRkQZY+D/zAD /v "C:\Users\Admin\AppData\Local\Temp\066c0a1a6cecf430430ed171db69ff5a3e139f5f2e82cd6ebb64409cccb6d34f.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:1688

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n3463\s3463.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n3463\s3463.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1688-135-0x00007FFA42ED0000-0x00007FFA43906000-memory.dmp

    Filesize

    10.2MB

  • memory/1688-136-0x0000000000AEA000-0x0000000000AEF000-memory.dmp

    Filesize

    20KB

  • memory/1688-137-0x0000000000AEA000-0x0000000000AEF000-memory.dmp

    Filesize

    20KB

  • memory/1688-138-0x0000000000AEA000-0x0000000000AEF000-memory.dmp

    Filesize

    20KB