Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-04-2024 01:18

General

  • Target

    cozios Image Logger.exe

  • Size

    74KB

  • MD5

    9a6f6caca9dd58075c1b428acd8a5f16

  • SHA1

    20b4dcf9b06efad871116eb14d271bf8344e5907

  • SHA256

    9c633404d41a3c07f7ea28683ba909ff5dd64f06e6680d0c143c6fdc66ef33a2

  • SHA512

    ead8ac3ffb6940532e265b273e4f0d0ec8c2187eb60f9da1226f2c94d7129c1d6aff69125f454f62162a4d411e1d33a5f2e17f171e57109ceaf09cec7069a4b7

  • SSDEEP

    1536:NUugcxaJ5CTWPMVmlm2IsH1bY/RQzceLVclN:NU/cxaDAWPMVmlxH1bY5Q3BY

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

127.0.0.1:4449

127.0.0.144:4449

87.100.214.103:4449

Mutex

podqoeugtxfrsvjfnm

Attributes
  • delay

    1

  • install

    true

  • install_file

    image logger.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 34 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 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\cozios Image Logger.exe
    "C:\Users\Admin\AppData\Local\Temp\cozios Image Logger.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3912
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "image logger" /tr '"C:\Users\Admin\AppData\Roaming\image logger.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2872
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "image logger" /tr '"C:\Users\Admin\AppData\Roaming\image logger.exe"'
        3⤵
        • Creates scheduled task(s)
        PID:2436
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp62E0.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5048
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:5036
      • C:\Users\Admin\AppData\Roaming\image logger.exe
        "C:\Users\Admin\AppData\Roaming\image logger.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:500

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp62E0.tmp.bat

    Filesize

    156B

    MD5

    8ca642c8c66689e178b8f60f31cb6c3b

    SHA1

    c893914f1d4e43ec174f3d1e921ee1d1158b1e7c

    SHA256

    880d71437c8761ebf0af5d4289ce458a682b47365dbe1ae119fa0a022beae111

    SHA512

    41c59ba6884dac1a656c54f02ef4c7b5783a644875088d0b8b4c61bdee1400e05bf36464728fbcb1f573aff1c0702d2d56c0676e0045012f34240ab7b350dc48

  • C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf

    Filesize

    8B

    MD5

    cf759e4c5f14fe3eec41b87ed756cea8

    SHA1

    c27c796bb3c2fac929359563676f4ba1ffada1f5

    SHA256

    c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

    SHA512

    c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

  • C:\Users\Admin\AppData\Roaming\image logger.exe

    Filesize

    74KB

    MD5

    9a6f6caca9dd58075c1b428acd8a5f16

    SHA1

    20b4dcf9b06efad871116eb14d271bf8344e5907

    SHA256

    9c633404d41a3c07f7ea28683ba909ff5dd64f06e6680d0c143c6fdc66ef33a2

    SHA512

    ead8ac3ffb6940532e265b273e4f0d0ec8c2187eb60f9da1226f2c94d7129c1d6aff69125f454f62162a4d411e1d33a5f2e17f171e57109ceaf09cec7069a4b7

  • memory/500-15-0x00007FF87E270000-0x00007FF87ED31000-memory.dmp

    Filesize

    10.8MB

  • memory/500-16-0x000000001AFD0000-0x000000001AFE0000-memory.dmp

    Filesize

    64KB

  • memory/500-17-0x00007FF87E270000-0x00007FF87ED31000-memory.dmp

    Filesize

    10.8MB

  • memory/500-18-0x000000001AFD0000-0x000000001AFE0000-memory.dmp

    Filesize

    64KB

  • memory/3912-0-0x0000000000260000-0x0000000000278000-memory.dmp

    Filesize

    96KB

  • memory/3912-2-0x00007FF87E020000-0x00007FF87EAE1000-memory.dmp

    Filesize

    10.8MB

  • memory/3912-3-0x000000001AF70000-0x000000001AF80000-memory.dmp

    Filesize

    64KB

  • memory/3912-8-0x00007FF89C410000-0x00007FF89C605000-memory.dmp

    Filesize

    2.0MB

  • memory/3912-9-0x00007FF87E020000-0x00007FF87EAE1000-memory.dmp

    Filesize

    10.8MB