Analysis

  • max time kernel
    153s
  • max time network
    195s
  • 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 15:12

General

  • Target

    d8a919ffc9e813d53cca2b8a7f959cc74017233087449096247f30c59109e13b.exe

  • Size

    601KB

  • MD5

    af09d9eb9d80187dd6aa6520f56131b2

  • SHA1

    15770f26dc9c2431a594d3f50706476335c2175b

  • SHA256

    d8a919ffc9e813d53cca2b8a7f959cc74017233087449096247f30c59109e13b

  • SHA512

    6829deff74e33848ee0fcc9e6b03d9fb4de11c1b4e6904580dffe36dff044e80e22ea981ded0fc03ebd09c07eac9e3c6ac8a76f6902171b1865d0d25ca144cb1

  • SSDEEP

    12288:xORNsuj7LM2e2Bl4St2AxKeAN+GKnvLof/9WraN0bfs3kZwD+ZAdj:xsNsmM2lBmSt2A+yTof/YrdfqkZwD4A5

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.

  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d8a919ffc9e813d53cca2b8a7f959cc74017233087449096247f30c59109e13b.exe
    "C:\Users\Admin\AppData\Local\Temp\d8a919ffc9e813d53cca2b8a7f959cc74017233087449096247f30c59109e13b.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:376
    • C:\Users\Admin\AppData\Local\Temp\n3852\s3852.exe
      "C:\Users\Admin\AppData\Local\Temp\n3852\s3852.exe" e3a9821d46aca36aa4e0917dSkzqGbPcxnxYJVSR+s826yyi09foGKcWGCfMj9vV4B9vg7xgXX9NhugJWjUTVDRsfvuKPUo3zFqafveo3ZW1f3XAIpwR/yFylLA6Ev+Jtm5cE6OIzh8+GjUKAUlqwYebNhvyVEr3doRHbUQ9bYg5Fe8= /v "C:\Users\Admin\AppData\Local\Temp\d8a919ffc9e813d53cca2b8a7f959cc74017233087449096247f30c59109e13b.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:1976

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\n3852\s3852.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • C:\Users\Admin\AppData\Local\Temp\n3852\s3852.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • memory/1976-132-0x0000000000000000-mapping.dmp