Analysis

  • max time kernel
    1049s
  • max time network
    443s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    31-10-2024 06:10

General

  • Target

    AsyncClient.exe

  • Size

    45KB

  • MD5

    2e60471cc06ae9e107c9c446feab2306

  • SHA1

    77925495dc0ff1ba87ff3d037056f21446e2d21d

  • SHA256

    b88fad07ba2812f8023fd20a5939192c7932efa99b7c00953e532f77c0896ce6

  • SHA512

    407ec9fcf2557233376da167f975b9ba9252a5d564b056c2aeb590390eda3309eca5cbaa57ea70691b5826359d22edb2c655c2d1b19ddfc825b10184f620ab84

  • SSDEEP

    768:mu/dRTUo0HQbWUnmjSmo2qMwKjPGaG6PIyzjbFgX3iieuFYrK8I/IBDZyx:mu/dRTUPE2kKTkDy3bCXSLuFIImdyx

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

q7jNlmGQlMHA

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\AsyncClient.exe
    "C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:1644
  • 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:2328

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1644-0-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

    Filesize

    4KB

  • memory/1644-1-0x0000000000270000-0x0000000000282000-memory.dmp

    Filesize

    72KB

  • memory/1644-2-0x0000000074FB0000-0x0000000075761000-memory.dmp

    Filesize

    7.7MB

  • memory/1644-3-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

    Filesize

    4KB

  • memory/1644-4-0x0000000074FB0000-0x0000000075761000-memory.dmp

    Filesize

    7.7MB

  • memory/2328-5-0x000001C413570000-0x000001C413571000-memory.dmp

    Filesize

    4KB

  • memory/2328-7-0x000001C413570000-0x000001C413571000-memory.dmp

    Filesize

    4KB

  • memory/2328-6-0x000001C413570000-0x000001C413571000-memory.dmp

    Filesize

    4KB

  • memory/2328-17-0x000001C413570000-0x000001C413571000-memory.dmp

    Filesize

    4KB

  • memory/2328-16-0x000001C413570000-0x000001C413571000-memory.dmp

    Filesize

    4KB

  • memory/2328-15-0x000001C413570000-0x000001C413571000-memory.dmp

    Filesize

    4KB

  • memory/2328-14-0x000001C413570000-0x000001C413571000-memory.dmp

    Filesize

    4KB

  • memory/2328-13-0x000001C413570000-0x000001C413571000-memory.dmp

    Filesize

    4KB

  • memory/2328-12-0x000001C413570000-0x000001C413571000-memory.dmp

    Filesize

    4KB

  • memory/2328-11-0x000001C413570000-0x000001C413571000-memory.dmp

    Filesize

    4KB