Analysis

  • max time kernel
    135s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2022 07:22

General

  • Target

    9e0881691e67eb02c93bf30fb26a9ab2e2cbb3d7cba8e190156470e71086f16a.exe

  • Size

    512KB

  • MD5

    80c28a21af84633977cf7f85c057b7a0

  • SHA1

    424139b364440f7dfb9d8288e4b5e503eaadfc81

  • SHA256

    9e0881691e67eb02c93bf30fb26a9ab2e2cbb3d7cba8e190156470e71086f16a

  • SHA512

    a0e60d9bfaed0540b3fc64d8c3fe7932777fd3f742b9119ea7ef3ff9b57e2c1dfeba65593ac5da199e897d579f46262842c3c71d959a033382525ab2540795fb

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4C:0+h9OY70z+warul3E4C

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\9e0881691e67eb02c93bf30fb26a9ab2e2cbb3d7cba8e190156470e71086f16a.exe
    "C:\Users\Admin\AppData\Local\Temp\9e0881691e67eb02c93bf30fb26a9ab2e2cbb3d7cba8e190156470e71086f16a.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:444
    • C:\Users\Admin\AppData\Local\Temp\n1252\s1252.exe
      "C:\Users\Admin\AppData\Local\Temp\n1252\s1252.exe" f1db955a7d77fa7e6e08e563wd4o9vkpStRgNeyuzPHDaYD93Yeee4WL3p/oPfSJ9nTpD8lgLleO3FjQotY97hAlqKws/2IHekQGTZHelzHS6gqxh6P7C2G/BoCPqikCrDq39QzfQaK5vFy8FfoIsvaTlr0iWAbO+eES9ZT62OqcoSvc /v "C:\Users\Admin\AppData\Local\Temp\9e0881691e67eb02c93bf30fb26a9ab2e2cbb3d7cba8e190156470e71086f16a.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:4172

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n1252\s1252.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n1252\s1252.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/4172-132-0x0000000000000000-mapping.dmp

  • memory/4172-135-0x00007FFC9DF00000-0x00007FFC9E936000-memory.dmp

    Filesize

    10.2MB

  • memory/4172-136-0x000000000148A000-0x000000000148F000-memory.dmp

    Filesize

    20KB

  • memory/4172-137-0x000000000148A000-0x000000000148F000-memory.dmp

    Filesize

    20KB