Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    19-04-2024 16:19

General

  • Target

    tmp.exe

  • Size

    936KB

  • MD5

    f21c518bcafa5fe911f17ffb3c1797b0

  • SHA1

    6ddf4338b8802ed0e698af6d78695cc12d7e55d6

  • SHA256

    a64ace959b459d7f23ceb7b2ff1cbe7f9346e3aa412118d4078b940e13b087a8

  • SHA512

    482a3c93ed737da332be810d543a2afd274b6c20ebcdccf4a324cca756629ffcd402c7ba5b514ad19f91bb27ecdc3de0e3baa30f65658c1f152ad1bcc9f8f25f

  • SSDEEP

    24576:pyF2ZifBvlGsu6ot9vtC1FoV1pltylcVHhE9HZ:4FN5vUikV1XacrEr

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
  • Suspicious use of NtSetInformationThreadHideFromDebugger 26 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Program Files directory
    PID:2872
  • C:\Program Files (x86)\Kvzbtbs.exe
    "C:\Program Files (x86)\Kvzbtbs.exe"
    1⤵
    • Executes dropped EXE
    PID:2592

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    936KB

    MD5

    f21c518bcafa5fe911f17ffb3c1797b0

    SHA1

    6ddf4338b8802ed0e698af6d78695cc12d7e55d6

    SHA256

    a64ace959b459d7f23ceb7b2ff1cbe7f9346e3aa412118d4078b940e13b087a8

    SHA512

    482a3c93ed737da332be810d543a2afd274b6c20ebcdccf4a324cca756629ffcd402c7ba5b514ad19f91bb27ecdc3de0e3baa30f65658c1f152ad1bcc9f8f25f

  • memory/2592-14438-0x0000000000400000-0x0000000000548000-memory.dmp

    Filesize

    1.3MB

  • memory/2592-11256-0x0000000001EE0000-0x0000000002061000-memory.dmp

    Filesize

    1.5MB

  • memory/2592-8706-0x0000000000400000-0x0000000000548000-memory.dmp

    Filesize

    1.3MB

  • memory/2872-848-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-811-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-820-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-818-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-824-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-822-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-826-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-828-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-850-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-832-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-834-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-836-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-838-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-840-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-842-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-844-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-0-0x0000000000400000-0x0000000000548000-memory.dmp

    Filesize

    1.3MB

  • memory/2872-846-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-830-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-816-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-864-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-856-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-858-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-860-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-862-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-854-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-866-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-868-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-870-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-872-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-2548-0x0000000001FB0000-0x0000000002131000-memory.dmp

    Filesize

    1.5MB

  • memory/2872-8686-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-8693-0x0000000000400000-0x0000000000548000-memory.dmp

    Filesize

    1.3MB

  • memory/2872-8699-0x0000000000400000-0x0000000000548000-memory.dmp

    Filesize

    1.3MB

  • memory/2872-814-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-812-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-852-0x0000000002260000-0x0000000002371000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-1-0x0000000075CB0000-0x0000000075CF7000-memory.dmp

    Filesize

    284KB