Analysis

  • max time kernel
    148s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    25-10-2023 12:50

General

  • Target

    5ea12547b7603f496ddcd41ea3ca3d92e128615391b2e439d8ffceb3a56a9d9e.exe

  • Size

    856KB

  • MD5

    3d460bd21fc92ecc0762cc106f3cc21c

  • SHA1

    a56619c80ffb5a13e272a25a8e0c09f09853b759

  • SHA256

    5ea12547b7603f496ddcd41ea3ca3d92e128615391b2e439d8ffceb3a56a9d9e

  • SHA512

    a619711f1fc232c032b9691c18654eb414d0fe3fd4ab3e743333dcd30501714121249048c162d1b418df622a8bcacab6dbfe5cf8e3e9f4a34018e594dcae61dc

  • SSDEEP

    24576:5i7NdO2XZVhW68pwn23DOeCfXahV+h6gG+w76Arm:QdXZV+pw2zOeoIwrw764m

Malware Config

Signatures

  • Generic Chinese Botnet

    A botnet originating from China which is currently unnamed publicly.

  • Chinese Botnet payload 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 64 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5ea12547b7603f496ddcd41ea3ca3d92e128615391b2e439d8ffceb3a56a9d9e.exe
    "C:\Users\Admin\AppData\Local\Temp\5ea12547b7603f496ddcd41ea3ca3d92e128615391b2e439d8ffceb3a56a9d9e.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Program Files directory
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:2648
  • C:\Program Files (x86)\Wkokuuw.exe
    "C:\Program Files (x86)\Wkokuuw.exe"
    1⤵
    • Executes dropped EXE
    PID:584

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\Wkokuuw.exe

    Filesize

    856KB

    MD5

    3d460bd21fc92ecc0762cc106f3cc21c

    SHA1

    a56619c80ffb5a13e272a25a8e0c09f09853b759

    SHA256

    5ea12547b7603f496ddcd41ea3ca3d92e128615391b2e439d8ffceb3a56a9d9e

    SHA512

    a619711f1fc232c032b9691c18654eb414d0fe3fd4ab3e743333dcd30501714121249048c162d1b418df622a8bcacab6dbfe5cf8e3e9f4a34018e594dcae61dc

  • memory/584-15936-0x0000000000400000-0x000000000051D000-memory.dmp

    Filesize

    1.1MB

  • memory/584-11249-0x00000000020E0000-0x0000000002261000-memory.dmp

    Filesize

    1.5MB

  • memory/584-8700-0x0000000000400000-0x000000000051D000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-848-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-811-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-818-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-820-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-822-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-824-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-826-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-830-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-850-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-832-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-836-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-838-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-834-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-840-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-842-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-844-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-0-0x0000000000400000-0x000000000051D000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-846-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-828-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-816-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-864-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-856-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-858-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-862-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-860-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-852-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-866-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-868-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-870-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-872-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-2547-0x00000000020B0000-0x0000000002231000-memory.dmp

    Filesize

    1.5MB

  • memory/2648-8686-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-8691-0x0000000000400000-0x000000000051D000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-814-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-812-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-9973-0x0000000000400000-0x000000000051D000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-854-0x0000000002360000-0x0000000002471000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-1-0x0000000076A40000-0x0000000076A87000-memory.dmp

    Filesize

    284KB