Analysis

  • max time kernel
    201s
  • max time network
    210s
  • 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, 14:15

General

  • Target

    730d27dd37427c5dec32ab72db8b6db52329160edec82e6c25905a85fe051687.exe

  • Size

    601KB

  • MD5

    23d35fe8bdb3c34b7c6e6227e20a2caa

  • SHA1

    a9c683ab18b0026be579038a2b69d2de7ef921c0

  • SHA256

    730d27dd37427c5dec32ab72db8b6db52329160edec82e6c25905a85fe051687

  • SHA512

    d28a2e2c87245544f95678dfa89aee13fdc2e187155ba4c3edc34462d116f887aed92a5f8f099e55ca904090fb9b6bf9199220558c563ad17dd868c175e2a534

  • SSDEEP

    12288:xORNsuj7LM2e2Bl4St2AxKeAN+GKnvLof/9WraN0bfs3kZwD+ZAdg:xsNsmM2lBmSt2A+yTof/YrdfqkZwD4AG

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 9 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\730d27dd37427c5dec32ab72db8b6db52329160edec82e6c25905a85fe051687.exe
    "C:\Users\Admin\AppData\Local\Temp\730d27dd37427c5dec32ab72db8b6db52329160edec82e6c25905a85fe051687.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:2076
    • C:\Users\Admin\AppData\Local\Temp\n2561\s2561.exe
      "C:\Users\Admin\AppData\Local\Temp\n2561\s2561.exe" b4fb42ff2d6acaafb91d990dl+FegCk5WR/5/qGgpbnfVuMyLOyrhOkyU4xSCZoiwzAKmpnT6ZhA39J4fkp6z/hgPknKcDvBwmxVL9KnS4WSeSP0/nSlzUq3yERsQDOZspdVGHoEarTBw9t5pt0iSynPyPoxMDl/SQYAiqR56J6ucs1td9EV1y/5S6HEIsw= /v "C:\Users\Admin\AppData\Local\Temp\730d27dd37427c5dec32ab72db8b6db52329160edec82e6c25905a85fe051687.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:1816

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\n2561\s2561.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • C:\Users\Admin\AppData\Local\Temp\n2561\s2561.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • memory/1816-135-0x00007FFF1AA90000-0x00007FFF1B4C6000-memory.dmp

    Filesize

    10.2MB

  • memory/1816-136-0x000000000100A000-0x000000000100F000-memory.dmp

    Filesize

    20KB

  • memory/1816-137-0x000000000100A000-0x000000000100F000-memory.dmp

    Filesize

    20KB

  • memory/1816-138-0x000000000100A000-0x000000000100F000-memory.dmp

    Filesize

    20KB