Overview

overview

10

Static

static

10

0b7987bd9f...21.exe

windows7-x64

10

0b7987bd9f...21.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    138s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-08-2024 18:37

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General

  • Target

    0b7987bd9f7cbee60c4c809f22ecda6f314a0366f0704ed474626ac5f7af3521.exe

  • Size

    247KB

  • MD5

    851269fc86de5d91e5f2db1b2b34cb6e

  • SHA1

    6103dab45c98bddef65b6eed235a60159d458526

  • SHA256

    0b7987bd9f7cbee60c4c809f22ecda6f314a0366f0704ed474626ac5f7af3521

  • SHA512

    c01c7d2ec52d55ece6f88eeb9c5ecf260ef9b59fd3f08ad42e4ed582b24bd482fcfd334375177b032564f567af6d195f7627249abe1e428f52f6c2806783acfc

  • SSDEEP

    6144:/bwmPMVWrVbVPwF9kfK8rpClz0KBb6o589GHWHWujiSPbp:/bw8n5gBuj/PV

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

Mutex

zedtklncvg

Attributes
  • delay

    1

  • install

    true

  • install_file

    update.exe

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/f2T8NYnM

aes.plain

Signatures

  • AsyncRat

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

    ratasyncrat
  • Async RAT payload 1 IoCs
    rat
  • 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 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 37 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\0b7987bd9f7cbee60c4c809f22ecda6f314a0366f0704ed474626ac5f7af3521.exe
    "C:\Users\Admin\AppData\Local\Temp\0b7987bd9f7cbee60c4c809f22ecda6f314a0366f0704ed474626ac5f7af3521.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1536
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "update" /tr '"C:\Users\Admin\AppData\Roaming\update.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2540
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "update" /tr '"C:\Users\Admin\AppData\Roaming\update.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:5032
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpC237.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5060
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:3840
      • C:\Users\Admin\AppData\Roaming\update.exe
        "C:\Users\Admin\AppData\Roaming\update.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2964

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpC237.tmp.bat
    Filesize

    150B

    MD5

    54d83af960599434f88dbb887aec7c4e

    SHA1

    ce0696c1fe57b4b74693d32df83a86570ebaa7e6

    SHA256

    15f62ec22ff884b5a3c9873b39208dcbd555ed1adf4d5e4acea75ce9dc240017

    SHA512

    eaa4060c25cbd25c8e9450bb7164b40d9015322b0d61ca354c852d27e1389948ee3a0ec578611107ef7f71e665353591de0f020d3f03b16015a3b447f82e5760

    Download Submit

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

    8B

    MD5

    cf759e4c5f14fe3eec41b87ed756cea8

    SHA1

    c27c796bb3c2fac929359563676f4ba1ffada1f5

    SHA256

    c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

    SHA512

    c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

    Download Submit

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

    247KB

    MD5

    851269fc86de5d91e5f2db1b2b34cb6e

    SHA1

    6103dab45c98bddef65b6eed235a60159d458526

    SHA256

    0b7987bd9f7cbee60c4c809f22ecda6f314a0366f0704ed474626ac5f7af3521

    SHA512

    c01c7d2ec52d55ece6f88eeb9c5ecf260ef9b59fd3f08ad42e4ed582b24bd482fcfd334375177b032564f567af6d195f7627249abe1e428f52f6c2806783acfc

    Download Submit

  • memory/1536-0-0x0000000000F00000-0x0000000000F44000-memory.dmp

    Filesize

    272KB

    Download

  • memory/1536-1-0x00007FF8D3F43000-0x00007FF8D3F45000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1536-3-0x00007FF8D3F40000-0x00007FF8D4A01000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/1536-8-0x00007FF8D3F40000-0x00007FF8D4A01000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/1536-9-0x00007FF8D3F40000-0x00007FF8D4A01000-memory.dmp

    Filesize

    10.8MB

    Download