Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-12-2024 23:02

General

  • Target

    80568be5a0b6b9d96b0dde9a45d9b9ae74f9cd97af8f9ae533904ff804bec8e0.exe

  • Size

    48KB

  • MD5

    9f7d48fd36a1493b4c25131f95339bd6

  • SHA1

    d6623ce807d0c8edfaa455f978912d2dda9e83ea

  • SHA256

    80568be5a0b6b9d96b0dde9a45d9b9ae74f9cd97af8f9ae533904ff804bec8e0

  • SHA512

    169b335730e20f35cf0eff52c05c805de2dfc9f66245682bfffbce9ee34237141cc1837e5ecc8e1ca19e66dd128aa027f033161002905042b589aa1a2d86dae0

  • SSDEEP

    768:WL0aWbILWCaS+DilhwiVixzYbYge6E8vEgK/JlBVc6KN:WgaMWlhwlcbPnfnkJlBVclN

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

7.tcp.eu.ngrok.io:12728

Mutex

whrjiouwrhjnwui

Attributes
  • delay

    1

  • install

    true

  • install_file

    MsEdge.exe

  • install_folder

    %Temp%

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
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\80568be5a0b6b9d96b0dde9a45d9b9ae74f9cd97af8f9ae533904ff804bec8e0.exe
    "C:\Users\Admin\AppData\Local\Temp\80568be5a0b6b9d96b0dde9a45d9b9ae74f9cd97af8f9ae533904ff804bec8e0.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1192
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "MsEdge" /tr '"C:\Users\Admin\AppData\Local\Temp\MsEdge.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3604
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "MsEdge" /tr '"C:\Users\Admin\AppData\Local\Temp\MsEdge.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1624
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpAE60.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3768
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:4320
      • C:\Users\Admin\AppData\Local\Temp\MsEdge.exe
        "C:\Users\Admin\AppData\Local\Temp\MsEdge.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:3024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\MsEdge.exe

    Filesize

    48KB

    MD5

    9f7d48fd36a1493b4c25131f95339bd6

    SHA1

    d6623ce807d0c8edfaa455f978912d2dda9e83ea

    SHA256

    80568be5a0b6b9d96b0dde9a45d9b9ae74f9cd97af8f9ae533904ff804bec8e0

    SHA512

    169b335730e20f35cf0eff52c05c805de2dfc9f66245682bfffbce9ee34237141cc1837e5ecc8e1ca19e66dd128aa027f033161002905042b589aa1a2d86dae0

  • C:\Users\Admin\AppData\Local\Temp\tmpAE60.tmp.bat

    Filesize

    153B

    MD5

    95e44d54b67bb5c72a83bfacdaad906f

    SHA1

    cc2d95fb34306e4f675f697913661eed6a0c8088

    SHA256

    7b349b26ae037922455d1af1f0787b96a4f826a566dfad91044b010972ac948c

    SHA512

    0f70b8560e063615f1fac9f6e9582eaf6087b9e9b6e9e43a3fb147d17f899573c6bcae46015b9bc92807fdb7da1ad0507f06ba904b1e90490ac72ddcfa4612b4

  • memory/1192-0-0x00007FF976223000-0x00007FF976225000-memory.dmp

    Filesize

    8KB

  • memory/1192-1-0x0000000000350000-0x0000000000362000-memory.dmp

    Filesize

    72KB

  • memory/1192-2-0x00007FF976220000-0x00007FF976CE1000-memory.dmp

    Filesize

    10.8MB

  • memory/1192-7-0x00007FF976220000-0x00007FF976CE1000-memory.dmp

    Filesize

    10.8MB