Analysis

  • max time kernel
    155s
  • max time network
    159s
  • 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, 10:27

General

  • Target

    d47df167458f9dd87fd6e1f26b6549ddd5631e0de2fc1190caa38b855b7073c2.exe

  • Size

    625KB

  • MD5

    4beba85c8dea1dba791f0ed5bf22a781

  • SHA1

    1390734d8f50878f47f2bfc0b6501df99a84f9a7

  • SHA256

    d47df167458f9dd87fd6e1f26b6549ddd5631e0de2fc1190caa38b855b7073c2

  • SHA512

    0dd0fde318b1f5cb99486cb43c8c89a2a793c46bdf2308b14833dd25f6460454097bf29669f24a5fe108307cd1ef4a7eb0ed9d9810737262bf2e1bd86e7cce18

  • SSDEEP

    12288:hg+gjjwmSK3ALgXgxvFDyfD1XBxzHMT0jZOJk7j4epPfArQyX0kZ2GEV4gB4IjYE:CjjwS3UW0NKhXLNjZzTPIrQu0kZCV4gB

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\d47df167458f9dd87fd6e1f26b6549ddd5631e0de2fc1190caa38b855b7073c2.exe
    "C:\Users\Admin\AppData\Local\Temp\d47df167458f9dd87fd6e1f26b6549ddd5631e0de2fc1190caa38b855b7073c2.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:1564
    • C:\Users\Admin\AppData\Local\Temp\n7824\s7834.exe
      "C:\Users\Admin\AppData\Local\Temp\n7824\s7834.exe" 4a5e691413328a10fee56005s9HhSSy/jhM6GbxlkfZpSpYsnRpGlk9uuD0EJcixAxsxqpygNgxtKkecEXLZqf5cbeql5yDB3eZAUotQSwxGc3ksTwfKjGH02hHAXK/xS124BISXOeWHt4IfqGHoWEWSIp2AEqcQnwC/z90c5IrbMRMNyZL//4UlsMUjY/o= /v "C:\Users\Admin\AppData\Local\Temp\d47df167458f9dd87fd6e1f26b6549ddd5631e0de2fc1190caa38b855b7073c2.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:4808

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n7824\s7834.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • C:\Users\Admin\AppData\Local\Temp\n7824\s7834.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • memory/4808-135-0x00007FF8937C0000-0x00007FF8941F6000-memory.dmp

    Filesize

    10.2MB

  • memory/4808-136-0x00000000012CA000-0x00000000012CF000-memory.dmp

    Filesize

    20KB

  • memory/4808-137-0x00000000012CA000-0x00000000012CF000-memory.dmp

    Filesize

    20KB

  • memory/4808-138-0x00000000012CA000-0x00000000012CF000-memory.dmp

    Filesize

    20KB