Analysis

  • max time kernel
    181s
  • max time network
    194s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/11/2022, 00:58

General

  • Target

    f686cff97cf179ffe28a28d3a25a9f2f12a52060a2ef535d297a4153b6c0f929.exe

  • Size

    512KB

  • MD5

    e55115ba1ebf7d08b5f109ddb9f4a1aa

  • SHA1

    06fd532734e51404c9d5e79157a0a1f4258e0356

  • SHA256

    f686cff97cf179ffe28a28d3a25a9f2f12a52060a2ef535d297a4153b6c0f929

  • SHA512

    e2e51223d878e38e6f3dd9b69fd9ba66f8ac58da65f8c94a0a3a2a8c469482d034f6b01ad2c946334ba777e4cb0d1c8b95fd71a1c15d31b588c1f25092cd42ea

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4h:0+h9OY70z+warul3E4h

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\f686cff97cf179ffe28a28d3a25a9f2f12a52060a2ef535d297a4153b6c0f929.exe
    "C:\Users\Admin\AppData\Local\Temp\f686cff97cf179ffe28a28d3a25a9f2f12a52060a2ef535d297a4153b6c0f929.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:3272
    • C:\Users\Admin\AppData\Local\Temp\n5074\s5074.exe
      "C:\Users\Admin\AppData\Local\Temp\n5074\s5074.exe" 0c45fb44075987457baaf8efwVpS1PwoceUUUsnK9ibgtkGWHjv7TIPsXHsQr2Gz+XemP07tYp+nkO5MR3QtIn+KMxjOS7KkftQ/lwX9ZeAk29X2cPTePKO2GVpJ+M2irfbBr5wQB/fHIN9/VdwhSeRoAbxt10+spEN5OteVjdS3/h/+ /v "C:\Users\Admin\AppData\Local\Temp\f686cff97cf179ffe28a28d3a25a9f2f12a52060a2ef535d297a4153b6c0f929.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:1032

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n5074\s5074.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n5074\s5074.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1032-135-0x000000001BE20000-0x000000001C856000-memory.dmp

    Filesize

    10.2MB

  • memory/1032-136-0x0000000000C5A000-0x0000000000C5F000-memory.dmp

    Filesize

    20KB

  • memory/1032-137-0x0000000000C5A000-0x0000000000C5F000-memory.dmp

    Filesize

    20KB