Analysis

  • max time kernel
    147s
  • max time network
    153s
  • 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, 06:49

General

  • Target

    e4b68523f236fa6c418e0e29dccc93e788bbd4aa626eae76a40c071f4a78b384.exe

  • Size

    512KB

  • MD5

    9141c391c749517071cc06fd603b54f9

  • SHA1

    471e905badbe546e9fcc1b76420d2575443cf3ef

  • SHA256

    e4b68523f236fa6c418e0e29dccc93e788bbd4aa626eae76a40c071f4a78b384

  • SHA512

    8cdbcced39bd9e5952a0b8c8defd750ac51f5d4091761e8f4b902ed58cec086c5046519ed81c28033de55425583c9f59936c21256f518b248c23ce152c70c7a9

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4z:0+h9OY70z+warul3E4z

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\e4b68523f236fa6c418e0e29dccc93e788bbd4aa626eae76a40c071f4a78b384.exe
    "C:\Users\Admin\AppData\Local\Temp\e4b68523f236fa6c418e0e29dccc93e788bbd4aa626eae76a40c071f4a78b384.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:1476
    • C:\Users\Admin\AppData\Local\Temp\n5480\s5480.exe
      "C:\Users\Admin\AppData\Local\Temp\n5480\s5480.exe" 7505ead10359a74fe042afd7pcIFBQUbrc5zic9IlGq5VGv09UYcftFIWWkR1H3GtZwhPkekzQDghDA7N/jiQzOccJxQY800Eyfu19oBCZDwi/Q4u+kS2xAtPLIwvCY8JeLh36ObnrU3+jgicOBFgEhox2EGij9dalk5HaKhjcL/vPXV /v "C:\Users\Admin\AppData\Local\Temp\e4b68523f236fa6c418e0e29dccc93e788bbd4aa626eae76a40c071f4a78b384.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:4112

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n5480\s5480.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n5480\s5480.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/4112-135-0x00007FFA42EE0000-0x00007FFA43916000-memory.dmp

    Filesize

    10.2MB

  • memory/4112-136-0x00000000014FA000-0x00000000014FF000-memory.dmp

    Filesize

    20KB

  • memory/4112-137-0x00000000014FA000-0x00000000014FF000-memory.dmp

    Filesize

    20KB