Resubmissions

28-04-2024 18:09

240428-wrxykadd67 10

28-04-2024 18:04

240428-wnnkqadc88 10

Analysis

  • max time kernel
    27s
  • max time network
    28s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-04-2024 18:09

General

  • Target

    tmp.exe

  • Size

    3.3MB

  • MD5

    d6c0cf36d24f9c78d3e9c62c1ab10d7a

  • SHA1

    40aef92c854049c716038a8ab79758d9d579b90d

  • SHA256

    cc13d8ef2716a7653e04f1ee11a9be519897982cd83ae95559cb08513ed21c7e

  • SHA512

    16b6b134417c3e9f067c2a1e8205067a2a9fac2b4d6342e2da7c8a90d8dcf4fff07ad39ade8e8b007a6a019419a58a733bb722463a472677f472380cf1b8a2bd

  • SSDEEP

    98304:e4uTo0ZdxryDXakEfkslniBGT93rAS1Up0:e4eNeGTfksliBc933G+

Malware Config

Signatures

  • Generic Chinese Botnet

    A botnet originating from China which is currently unnamed publicly.

  • Chinese Botnet payload 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 15 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 35 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1516
    • C:\Users\Admin\AppData\Roaming\QQ.exe
      "C:\Users\Admin\AppData\Roaming\QQ.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      PID:460
    • C:\Users\Admin\AppData\Roaming\svchost.exe
      "C:\Users\Admin\AppData\Roaming\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:940
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /0
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:17456

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\QQ.exe

    Filesize

    936KB

    MD5

    f21c518bcafa5fe911f17ffb3c1797b0

    SHA1

    6ddf4338b8802ed0e698af6d78695cc12d7e55d6

    SHA256

    a64ace959b459d7f23ceb7b2ff1cbe7f9346e3aa412118d4078b940e13b087a8

    SHA512

    482a3c93ed737da332be810d543a2afd274b6c20ebcdccf4a324cca756629ffcd402c7ba5b514ad19f91bb27ecdc3de0e3baa30f65658c1f152ad1bcc9f8f25f

  • C:\Users\Admin\AppData\Roaming\svchost.exe

    Filesize

    1.6MB

    MD5

    e10f2fe129e169b2ac1ce9eeb179c15f

    SHA1

    bf6b5ac1c98b04b2b881522b10277efa4acb72b5

    SHA256

    1419f75027c186e8024396999a6841e6bbbcec531d134f8f26491a0fca9715a0

    SHA512

    590e3c4ddb764ae2764b74f9f6283c7b3635c1dfaf42e3c80b90a2bf71b66b2cff2d5f1519c28965dcbf07152766f28fc827f140cedf3547a5985e4d755cac83

  • memory/460-11795-0x0000000000400000-0x0000000000548000-memory.dmp

    Filesize

    1.3MB

  • memory/460-11806-0x0000000000400000-0x0000000000548000-memory.dmp

    Filesize

    1.3MB

  • memory/460-21-0x0000000076050000-0x0000000076265000-memory.dmp

    Filesize

    2.1MB

  • memory/460-11803-0x0000000010000000-0x0000000010018000-memory.dmp

    Filesize

    96KB

  • memory/460-11796-0x0000000000400000-0x0000000000548000-memory.dmp

    Filesize

    1.3MB

  • memory/460-12-0x0000000000400000-0x0000000000548000-memory.dmp

    Filesize

    1.3MB

  • memory/460-5306-0x0000000077AF0000-0x0000000077B6A000-memory.dmp

    Filesize

    488KB

  • memory/460-3297-0x00000000777E0000-0x0000000077980000-memory.dmp

    Filesize

    1.6MB

  • memory/460-11800-0x0000000000400000-0x0000000000548000-memory.dmp

    Filesize

    1.3MB

  • memory/460-11798-0x0000000000400000-0x0000000000548000-memory.dmp

    Filesize

    1.3MB

  • memory/460-11797-0x0000000000400000-0x0000000000548000-memory.dmp

    Filesize

    1.3MB

  • memory/940-696-0x0000000140000000-0x00000001401CA000-memory.dmp

    Filesize

    1.8MB

  • memory/940-697-0x0000000140000000-0x00000001401CA000-memory.dmp

    Filesize

    1.8MB

  • memory/940-815-0x0000000140000000-0x00000001401CA000-memory.dmp

    Filesize

    1.8MB

  • memory/940-20-0x0000000140000000-0x00000001401CA000-memory.dmp

    Filesize

    1.8MB

  • memory/940-11807-0x0000000140000000-0x00000001401CA000-memory.dmp

    Filesize

    1.8MB

  • memory/940-11824-0x0000000140000000-0x00000001401CA000-memory.dmp

    Filesize

    1.8MB

  • memory/17456-11811-0x000002B1E7540000-0x000002B1E7541000-memory.dmp

    Filesize

    4KB

  • memory/17456-11812-0x000002B1E7540000-0x000002B1E7541000-memory.dmp

    Filesize

    4KB

  • memory/17456-11822-0x000002B1E7540000-0x000002B1E7541000-memory.dmp

    Filesize

    4KB

  • memory/17456-11821-0x000002B1E7540000-0x000002B1E7541000-memory.dmp

    Filesize

    4KB

  • memory/17456-11820-0x000002B1E7540000-0x000002B1E7541000-memory.dmp

    Filesize

    4KB

  • memory/17456-11819-0x000002B1E7540000-0x000002B1E7541000-memory.dmp

    Filesize

    4KB

  • memory/17456-11818-0x000002B1E7540000-0x000002B1E7541000-memory.dmp

    Filesize

    4KB

  • memory/17456-11817-0x000002B1E7540000-0x000002B1E7541000-memory.dmp

    Filesize

    4KB

  • memory/17456-11816-0x000002B1E7540000-0x000002B1E7541000-memory.dmp

    Filesize

    4KB

  • memory/17456-11810-0x000002B1E7540000-0x000002B1E7541000-memory.dmp

    Filesize

    4KB