Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2024 13:52

General

  • Target

    regasms.exe

  • Size

    63KB

  • MD5

    9cded6e0c0b625370bb17884b7611955

  • SHA1

    d55f1c17b783b372af8c8e2207386e4f3f886cd5

  • SHA256

    7cea3459fe006e787947d8eedc2770285061bc5e9a0ca0ffc7213a96756341fb

  • SHA512

    e83a3c4c8e0097f2ed20f8bff4526be646a2b3f574fc6f2876ce581208ccc0576124110cb4b4a5025a3ab1486c6d5a8e18ffe81cd8bc42c8792d54b7088639ab

  • SSDEEP

    1536:62wukvF1ak9gcKu5UYFQL2SNy5b/XPrdBHHCrmTGxx:62dkvF1ak9Ku5UYFSjy5b/Dd8EKx

Malware Config

Extracted

Family

asyncrat

Version

| Edit 3LOSH RAT

Botnet

LNKK

C2

leetboy.dynuddns.net:1338

Mutex

AsyncMutex_6h2caasdas2133sOkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\regasms.exe
    "C:\Users\Admin\AppData\Local\Temp\regasms.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1488

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1488-0-0x000000007485E000-0x000000007485F000-memory.dmp

    Filesize

    4KB

  • memory/1488-1-0x0000000000EE0000-0x0000000000EF6000-memory.dmp

    Filesize

    88KB

  • memory/1488-2-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/1488-3-0x0000000006170000-0x0000000006714000-memory.dmp

    Filesize

    5.6MB

  • memory/1488-4-0x0000000005CA0000-0x0000000005D32000-memory.dmp

    Filesize

    584KB

  • memory/1488-5-0x0000000005E30000-0x0000000005E3A000-memory.dmp

    Filesize

    40KB

  • memory/1488-8-0x0000000006EB0000-0x0000000006F4C000-memory.dmp

    Filesize

    624KB

  • memory/1488-9-0x0000000006990000-0x00000000069F6000-memory.dmp

    Filesize

    408KB

  • memory/1488-10-0x000000007485E000-0x000000007485F000-memory.dmp

    Filesize

    4KB

  • memory/1488-11-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB