Overview

overview

10

Static

static

10

5e3758c19d...56.exe

windows7-x64

10

5e3758c19d...56.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-08-2024 18:45

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General

  • Target

    5e3758c19d761560431f8fd8302aa6d2061568cbed3dc0a20ad3d4f5da93a956.exe

  • Size

    114KB

  • MD5

    29e928f1f16131ca36a3aae3467141de

  • SHA1

    9b586f0d13236c3280e5b7b3b592309b296d7fff

  • SHA256

    5e3758c19d761560431f8fd8302aa6d2061568cbed3dc0a20ad3d4f5da93a956

  • SHA512

    3f4ab2b645ec82c9899061973edb92bc4ef4ef3663603dea0de3a37447b8b94577e1357f398bef02f1ce94260f53f25387de72d872a055d7a9482b1f1b256314

  • SSDEEP

    3072:QUVcxhzVCiPMVSe9VdQsH1bf7ADzQL4KvYMC29TwaGwYSOeBY:QtCiPMVSaesVbUzaFzC2yK

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

127.0.0.1:4449

127.0.0.1:6703

147.185.221.21:4449

147.185.221.21:6703
Mutex

uiagdedifgkrgllefg

Attributes
  • delay

    1

  • install

    true

  • install_file

    dllhost.dat.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

    ratasyncrat
  • VenomRAT 2 IoCs

    Detects VenomRAT.

    rat
  • 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
  • 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 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e3758c19d761560431f8fd8302aa6d2061568cbed3dc0a20ad3d4f5da93a956.exe
    "C:\Users\Admin\AppData\Local\Temp\5e3758c19d761560431f8fd8302aa6d2061568cbed3dc0a20ad3d4f5da93a956.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4300
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "dllhost.dat" /tr '"C:\Users\Admin\AppData\Roaming\dllhost.dat.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2768
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "dllhost.dat" /tr '"C:\Users\Admin\AppData\Roaming\dllhost.dat.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4640
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5B5A.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4272
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:3952
      • C:\Users\Admin\AppData\Roaming\dllhost.dat.exe
        "C:\Users\Admin\AppData\Roaming\dllhost.dat.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2692
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4104,i,9445584274764997943,12714240264001792460,262144 --variations-seed-version --mojo-platform-channel-handle=3988 /prefetch:8
    1⤵
      PID:4524

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp5B5A.tmp.bat
      Filesize

      155B

      MD5

      eed84b8e7158df3e5e5d25a8a911a78e

      SHA1

      8977099d611c676b8c2db56b5df2d2313fa3a062

      SHA256

      d2974a1f279211a4e69f8d2b0eddb5a28b19da5140c7a55457c65ef51630c006

      SHA512

      99871ed7a6865618ffd744ce71438a007bb612e4a1e69f476688c4abc6c78d612648e9d7bc67b77de8ff1346e72dbb87dc635c4e70ff51424c3fb9780598be4e

      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\dllhost.dat.exe
      Filesize

      114KB

      MD5

      29e928f1f16131ca36a3aae3467141de

      SHA1

      9b586f0d13236c3280e5b7b3b592309b296d7fff

      SHA256

      5e3758c19d761560431f8fd8302aa6d2061568cbed3dc0a20ad3d4f5da93a956

      SHA512

      3f4ab2b645ec82c9899061973edb92bc4ef4ef3663603dea0de3a37447b8b94577e1357f398bef02f1ce94260f53f25387de72d872a055d7a9482b1f1b256314

      Download Submit

    • memory/4300-1-0x0000000000E50000-0x0000000000E72000-memory.dmp

      Filesize

      136KB

      Download

    • memory/4300-0-0x00007FFEA0393000-0x00007FFEA0395000-memory.dmp

      Filesize

      8KB

      Download

    • memory/4300-3-0x00007FFEA0390000-0x00007FFEA0E51000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/4300-8-0x00007FFEA0390000-0x00007FFEA0E51000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/4300-9-0x00007FFEA0390000-0x00007FFEA0E51000-memory.dmp

      Filesize

      10.8MB

      Download