Analysis

  • max time kernel
    133s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-11-2024 01:06

General

  • Target

    90f02187819001943af22474f263663346b69b50fae940acb0562492e783faef.exe

  • Size

    66KB

  • MD5

    69076459b0cdae463d8996540868f034

  • SHA1

    21d983815bda3c337094bc6b1956ac768f239ccf

  • SHA256

    90f02187819001943af22474f263663346b69b50fae940acb0562492e783faef

  • SHA512

    cea529ed0f221a8fa96887f35d411a62f40a4621a5be70a721b4efbc5c89f480248585958b0e3053c18208a01d9c02fe416e89c01b2887cb05ff4c95e9df929d

  • SSDEEP

    1536:92kv0bo/KQk5AvgdKuvUYFMDPLPg/tARbDZ0I615rmTGKd:92I0wKQkLKuvUYFkPdRbDa5Exd

Malware Config

Extracted

Family

asyncrat

Version

| Edit by Vinom Rat

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

127.0.0.1:9999

127.0.0.1:46089

anything-eco.gl.at.ply.gg:6606

anything-eco.gl.at.ply.gg:7707

anything-eco.gl.at.ply.gg:8808

anything-eco.gl.at.ply.gg:9999

anything-eco.gl.at.ply.gg:46089

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    runtime.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Asyncrat family
  • Async RAT payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\90f02187819001943af22474f263663346b69b50fae940acb0562492e783faef.exe
    "C:\Users\Admin\AppData\Local\Temp\90f02187819001943af22474f263663346b69b50fae940acb0562492e783faef.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3440
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "runtime" /tr '"C:\Users\Admin\AppData\Roaming\runtime.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1772
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "runtime" /tr '"C:\Users\Admin\AppData\Roaming\runtime.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4696
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpBCC8.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4896
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2076
      • C:\Users\Admin\AppData\Roaming\runtime.exe
        "C:\Users\Admin\AppData\Roaming\runtime.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4520

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpBCC8.tmp.bat

    Filesize

    151B

    MD5

    84da85165cd7606606f4d92d0fc11d08

    SHA1

    01edcc2a5cd62701cf17711ef175ca3231366d5e

    SHA256

    f16e199d0552028c04892374c72d0a93f74446c022818aa48cd79dfde7e0f8dd

    SHA512

    02f63b40f216217d1509841543256ec2dca70455ea05caa1d1b8c2525d5253384753de222425280fb695e09f42a91c1ab6a475fd4162862a041bb59a199661df

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

    Filesize

    66KB

    MD5

    69076459b0cdae463d8996540868f034

    SHA1

    21d983815bda3c337094bc6b1956ac768f239ccf

    SHA256

    90f02187819001943af22474f263663346b69b50fae940acb0562492e783faef

    SHA512

    cea529ed0f221a8fa96887f35d411a62f40a4621a5be70a721b4efbc5c89f480248585958b0e3053c18208a01d9c02fe416e89c01b2887cb05ff4c95e9df929d

  • memory/3440-3-0x0000000005660000-0x00000000056C6000-memory.dmp

    Filesize

    408KB

  • memory/3440-0-0x000000007472E000-0x000000007472F000-memory.dmp

    Filesize

    4KB

  • memory/3440-4-0x0000000005B30000-0x0000000005BCC000-memory.dmp

    Filesize

    624KB

  • memory/3440-9-0x0000000074720000-0x0000000074ED0000-memory.dmp

    Filesize

    7.7MB

  • memory/3440-2-0x0000000074720000-0x0000000074ED0000-memory.dmp

    Filesize

    7.7MB

  • memory/3440-1-0x0000000000CC0000-0x0000000000CD6000-memory.dmp

    Filesize

    88KB

  • memory/4520-14-0x0000000074670000-0x0000000074E20000-memory.dmp

    Filesize

    7.7MB

  • memory/4520-15-0x0000000074670000-0x0000000074E20000-memory.dmp

    Filesize

    7.7MB

  • memory/4520-16-0x00000000057E0000-0x0000000005D84000-memory.dmp

    Filesize

    5.6MB

  • memory/4520-17-0x00000000053D0000-0x0000000005462000-memory.dmp

    Filesize

    584KB

  • memory/4520-18-0x0000000005340000-0x000000000534A000-memory.dmp

    Filesize

    40KB

  • memory/4520-19-0x0000000074670000-0x0000000074E20000-memory.dmp

    Filesize

    7.7MB

  • memory/4520-20-0x0000000074670000-0x0000000074E20000-memory.dmp

    Filesize

    7.7MB