Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    03/11/2024, 18:55

General

  • Target

    Async test.exe

  • Size

    45KB

  • MD5

    86fef5dcbb9a2ea221b850234dcc9e83

  • SHA1

    c004d33bc9ee3beaa3d90a28034e642b7706e5f4

  • SHA256

    27c32cc7628ee560b44cb55dd9a85508d919a28726cf817ec9fad2730c2c7c6b

  • SHA512

    d7da030148b4adb6a2be3d3e9cbc60ad58a2e3104b68c89ebfb6392194bf60bc37fd76c26036ce3a4167adc1291c770d5f211b08c36c1b3a1d3b1704a1a4c32d

  • SSDEEP

    768:mu/dRTUo0HQbWUnmjSmo2qMTCZf31PIdzjbkgX3ixYkOQ/1z1DL5R/KEquBDZyx:mu/dRTUPE2XIPSd3brXSxKyz1vXZqgdw

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

Mutex

E2qgtjRHaRSi

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#.

  • Asyncrat family
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

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

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Async test.exe
    "C:\Users\Admin\AppData\Local\Temp\Async test.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:3540
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /0
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2956-15-0x000001B891890000-0x000001B891891000-memory.dmp

    Filesize

    4KB

  • memory/2956-5-0x000001B891890000-0x000001B891891000-memory.dmp

    Filesize

    4KB

  • memory/2956-12-0x000001B891890000-0x000001B891891000-memory.dmp

    Filesize

    4KB

  • memory/2956-13-0x000001B891890000-0x000001B891891000-memory.dmp

    Filesize

    4KB

  • memory/2956-14-0x000001B891890000-0x000001B891891000-memory.dmp

    Filesize

    4KB

  • memory/2956-7-0x000001B891890000-0x000001B891891000-memory.dmp

    Filesize

    4KB

  • memory/2956-16-0x000001B891890000-0x000001B891891000-memory.dmp

    Filesize

    4KB

  • memory/2956-17-0x000001B891890000-0x000001B891891000-memory.dmp

    Filesize

    4KB

  • memory/2956-6-0x000001B891890000-0x000001B891891000-memory.dmp

    Filesize

    4KB

  • memory/2956-11-0x000001B891890000-0x000001B891891000-memory.dmp

    Filesize

    4KB

  • memory/3540-0-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

    Filesize

    4KB

  • memory/3540-1-0x0000000000190000-0x00000000001A2000-memory.dmp

    Filesize

    72KB

  • memory/3540-4-0x0000000074CC0000-0x0000000075471000-memory.dmp

    Filesize

    7.7MB

  • memory/3540-3-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

    Filesize

    4KB

  • memory/3540-2-0x0000000074CC0000-0x0000000075471000-memory.dmp

    Filesize

    7.7MB