Analysis

  • max time kernel
    135s
  • 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
    18/08/2022, 17:01

General

  • Target

    tmp.exe

  • Size

    640KB

  • MD5

    34b63da0fe4a28686f422c6abd730ccb

  • SHA1

    b81040dc1cf6a197f321961aa52939943e8ef52a

  • SHA256

    560cb82307c00bf3af0243ac024b094c64d01e392aed166ab425d9e4db6135a9

  • SHA512

    54809c52ff74c3cfed92cf3a87a3632f22d4d8b156cbc38f5692e6c646388fa60ca0cb02d769897d077dafc5704c1e47534b2634fdd8adf28f76049e586dce6a

Malware Config

Signatures

  • Generic Chinese Botnet

    A botnet originating from China which is currently unnamed publicly.

  • Chinese Botnet payload 2 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Enumerates connected drives
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:2704

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2704-132-0x0000000000400000-0x000000000055F000-memory.dmp

    Filesize

    1.4MB

  • memory/2704-133-0x0000000000400000-0x000000000055F000-memory.dmp

    Filesize

    1.4MB

  • memory/2704-134-0x0000000000400000-0x000000000055F000-memory.dmp

    Filesize

    1.4MB

  • memory/2704-136-0x0000000000400000-0x000000000055F000-memory.dmp

    Filesize

    1.4MB

  • memory/2704-138-0x0000000000400000-0x000000000055F000-memory.dmp

    Filesize

    1.4MB

  • memory/2704-140-0x0000000000400000-0x000000000055F000-memory.dmp

    Filesize

    1.4MB

  • memory/2704-141-0x00000000022B0000-0x00000000022EE000-memory.dmp

    Filesize

    248KB

  • memory/2704-142-0x0000000000400000-0x000000000055F000-memory.dmp

    Filesize

    1.4MB

  • memory/2704-143-0x0000000002370000-0x0000000002374000-memory.dmp

    Filesize

    16KB

  • memory/2704-144-0x0000000010000000-0x0000000010018000-memory.dmp

    Filesize

    96KB

  • memory/2704-147-0x0000000002360000-0x0000000002364000-memory.dmp

    Filesize

    16KB

  • memory/2704-148-0x0000000000400000-0x000000000055F000-memory.dmp

    Filesize

    1.4MB