Overview

overview

10

Static

static

10

Infected.exe

windows7-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20230621-en
  • resource tags

    arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system
  • submitted
    30/06/2023, 07:10

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General

  • Target

    Infected.exe

  • Size

    209KB

  • MD5

    7b009164d0eedb682716bb6c97d97603

  • SHA1

    8e94ab5ad0ff41ba02b10095bd3ea9f06c0a3035

  • SHA256

    940942b06d32a3f72fe1d6d8bb0885d4412de9ecee1d76a40a43ee4961ce52f1

  • SHA512

    cb8e6620bdd52ce49b689e73fdd8e1d8b9273fc307c6a2df49fe3666a410581b5b65db6268cc0f70c61923381255d9617d7c314ce437d9f89d8a4d67dbf5b513

  • SSDEEP

    3072:dTHYYUbdq3hLKKKKKU8AAFTbp8ELQHsoOJNuYnZIWH2qWUwZr+EM4EIGKEc6iZjC:6LbXfJXnIZOr

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

209.205.141.181:39858

Mutex

Fv杰tgקbaIOvCΗרק5ΘM7杰LF

Attributes
  • delay

    8

  • install

    true

  • install_file

    revitool.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

    ratasyncrat
  • Async RAT payload 6 IoCs
    rat
  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

    persistence
  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 47 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 58 IoCs
  • Suspicious use of SendNotifyMessage 58 IoCs
  • Suspicious use of WriteProcessMemory 15 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\Infected.exe
    "C:\Users\Admin\AppData\Local\Temp\Infected.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1060
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "revitool" /tr '"C:\Users\Admin\AppData\Roaming\revitool.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:992
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "revitool" /tr '"C:\Users\Admin\AppData\Roaming\revitool.exe"'
        3⤵
        • Creates scheduled task(s)
        PID:392
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp4F1B.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1848
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:1456
      • C:\Users\Admin\AppData\Roaming\revitool.exe
        "C:\Users\Admin\AppData\Roaming\revitool.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1432
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:632

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp4F1B.tmp.bat
    Filesize

    152B

    MD5

    fe11de1613fd791513c0d09d7ecef919

    SHA1

    c416c65285dd66582d7d4ee7803f1746373d5035

    SHA256

    67b9973d5379535b41e794f58a89398cad5e3acde5250434882a617d09f583ac

    SHA512

    2aade0f81f26cf1d5dfba91deeb0ded0b3e83787544816f553d37fdf74c3268214e130a123de5b89d9168fe7b1d8454cc576eff10a31fa73c7b47b21fa40fc02

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\tmp4F1B.tmp.bat
    Filesize

    152B

    MD5

    fe11de1613fd791513c0d09d7ecef919

    SHA1

    c416c65285dd66582d7d4ee7803f1746373d5035

    SHA256

    67b9973d5379535b41e794f58a89398cad5e3acde5250434882a617d09f583ac

    SHA512

    2aade0f81f26cf1d5dfba91deeb0ded0b3e83787544816f553d37fdf74c3268214e130a123de5b89d9168fe7b1d8454cc576eff10a31fa73c7b47b21fa40fc02

    Download Submit

  • C:\Users\Admin\AppData\Roaming\revitool.exe
    Filesize

    209KB

    MD5

    7b009164d0eedb682716bb6c97d97603

    SHA1

    8e94ab5ad0ff41ba02b10095bd3ea9f06c0a3035

    SHA256

    940942b06d32a3f72fe1d6d8bb0885d4412de9ecee1d76a40a43ee4961ce52f1

    SHA512

    cb8e6620bdd52ce49b689e73fdd8e1d8b9273fc307c6a2df49fe3666a410581b5b65db6268cc0f70c61923381255d9617d7c314ce437d9f89d8a4d67dbf5b513

    Download Submit

  • C:\Users\Admin\AppData\Roaming\revitool.exe
    Filesize

    209KB

    MD5

    7b009164d0eedb682716bb6c97d97603

    SHA1

    8e94ab5ad0ff41ba02b10095bd3ea9f06c0a3035

    SHA256

    940942b06d32a3f72fe1d6d8bb0885d4412de9ecee1d76a40a43ee4961ce52f1

    SHA512

    cb8e6620bdd52ce49b689e73fdd8e1d8b9273fc307c6a2df49fe3666a410581b5b65db6268cc0f70c61923381255d9617d7c314ce437d9f89d8a4d67dbf5b513

    Download Submit

  • memory/632-71-0x0000000140000000-0x00000001405E8000-memory.dmp

    Filesize

    5.9MB

    Download

  • memory/632-72-0x0000000140000000-0x00000001405E8000-memory.dmp

    Filesize

    5.9MB

    Download

  • memory/632-73-0x0000000001D10000-0x0000000001D20000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1060-54-0x0000000000B10000-0x0000000000B4A000-memory.dmp

    Filesize

    232KB

    Download

  • memory/1060-55-0x000000001AED0000-0x000000001AF50000-memory.dmp

    Filesize

    512KB

    Download

  • memory/1432-68-0x0000000000270000-0x00000000002AA000-memory.dmp

    Filesize

    232KB

    Download

  • memory/1432-69-0x000000001B180000-0x000000001B200000-memory.dmp

    Filesize

    512KB

    Download