Analysis

  • max time kernel
    166s
  • max time network
    105s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 00:19

General

  • Target

    cbc966874ef49538fd98f2e3c62ec267a44bbbbb342819da210dcbeaf94e0693.exe

  • Size

    284KB

  • MD5

    262baaa5d33d34e6fc361466b8282f58

  • SHA1

    0646d557bdec328a0d65ef419c9ad9f03b3db8bd

  • SHA256

    cbc966874ef49538fd98f2e3c62ec267a44bbbbb342819da210dcbeaf94e0693

  • SHA512

    c3dae84acbe4b893230375793a284c411cd9a3ac45442a0ff50bc9fab474a575ea85f3356cd22800913d5c44eade0cf41ad7d52512a72d06042e5023b4f27e58

  • SSDEEP

    3072:/J2ybFy4sdi5dOLMxXtRfY6RTMlz97KMMBimtB5yVQBVY+6fradnRIv2m8yqbVNt:UyEi2idRRkeMM1f5quVYmRIKk44w

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 50 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cbc966874ef49538fd98f2e3c62ec267a44bbbbb342819da210dcbeaf94e0693.exe
    "C:\Users\Admin\AppData\Local\Temp\cbc966874ef49538fd98f2e3c62ec267a44bbbbb342819da210dcbeaf94e0693.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2000
    • C:\Users\Admin\xuuca.exe
      "C:\Users\Admin\xuuca.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1312

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\xuuca.exe

    Filesize

    284KB

    MD5

    638aa1a98abd3f5915efd12e3fa2174b

    SHA1

    f8a6ecfd79b7ee36d1acfe1ea4a4196dbe45afd1

    SHA256

    91683de5af95a524eeb46876a8efe1c1b4d8be67fe508ad96b47e2d9c13d2642

    SHA512

    bfc201dc87eed1cfabd05c8c4915d7a9e59ed1d4b7dfc620564146ab9ba734b830eda902cdbcad911b230c6ad102f94bde851bba04456354de5c5b44a2ad80c9

  • C:\Users\Admin\xuuca.exe

    Filesize

    284KB

    MD5

    638aa1a98abd3f5915efd12e3fa2174b

    SHA1

    f8a6ecfd79b7ee36d1acfe1ea4a4196dbe45afd1

    SHA256

    91683de5af95a524eeb46876a8efe1c1b4d8be67fe508ad96b47e2d9c13d2642

    SHA512

    bfc201dc87eed1cfabd05c8c4915d7a9e59ed1d4b7dfc620564146ab9ba734b830eda902cdbcad911b230c6ad102f94bde851bba04456354de5c5b44a2ad80c9

  • \Users\Admin\xuuca.exe

    Filesize

    284KB

    MD5

    638aa1a98abd3f5915efd12e3fa2174b

    SHA1

    f8a6ecfd79b7ee36d1acfe1ea4a4196dbe45afd1

    SHA256

    91683de5af95a524eeb46876a8efe1c1b4d8be67fe508ad96b47e2d9c13d2642

    SHA512

    bfc201dc87eed1cfabd05c8c4915d7a9e59ed1d4b7dfc620564146ab9ba734b830eda902cdbcad911b230c6ad102f94bde851bba04456354de5c5b44a2ad80c9

  • \Users\Admin\xuuca.exe

    Filesize

    284KB

    MD5

    638aa1a98abd3f5915efd12e3fa2174b

    SHA1

    f8a6ecfd79b7ee36d1acfe1ea4a4196dbe45afd1

    SHA256

    91683de5af95a524eeb46876a8efe1c1b4d8be67fe508ad96b47e2d9c13d2642

    SHA512

    bfc201dc87eed1cfabd05c8c4915d7a9e59ed1d4b7dfc620564146ab9ba734b830eda902cdbcad911b230c6ad102f94bde851bba04456354de5c5b44a2ad80c9

  • memory/1312-59-0x0000000000000000-mapping.dmp

  • memory/2000-56-0x00000000753D1000-0x00000000753D3000-memory.dmp

    Filesize

    8KB