Overview

overview

10

Static

static

10

471HS_Loader.exe

windows7-x64

10

471HS_Loader.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2024 00:21

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General

  • Target

    471HS_Loader.exe

  • Size

    74KB

  • MD5

    7a545dbf06e65f7f17f04ae0f5153e0e

  • SHA1

    ab20193637edd250eac59fd71b6ea2b7a0faaad4

  • SHA256

    c3556cd1169de28cb9f6ba3a06a875f756b1bbadfb51b7ce00c92f23d2cd4f5d

  • SHA512

    98a56663c90195b0b22df4dcfd72cc4717e445d5eaa2f4571443becbe38a77121835073cbf56377f5cc11849e160dbe9e156fcff8a3fab2efd9aa97a1876d0d1

  • SSDEEP

    1536:wUKUcxoyR1CriPMVzrqVBYgImH1bz/mmB4Qzc2EVclN:wUzcxoyXkiPMVzrqVHH1bz/4QD2Y

Score
10/10
asyncratvenomratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

66.66.146.74:9511

Mutex

8906005788005HTGF

Attributes
  • delay

    1

  • install

    true

  • install_file

    WINDOWS.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

    ratasyncrat
  • Asyncrat family
    asyncrat
  • VenomRAT 2 IoCs

    Detects VenomRAT.

    rat
  • Venomrat family
    venomrat
  • 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 64 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\471HS_Loader.exe
    "C:\Users\Admin\AppData\Local\Temp\471HS_Loader.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:720
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "WINDOWS" /tr '"C:\Users\Admin\AppData\Roaming\WINDOWS.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:452
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "WINDOWS" /tr '"C:\Users\Admin\AppData\Roaming\WINDOWS.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4536
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp7DBB.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4796
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:4976
      • C:\Users\Admin\AppData\Roaming\WINDOWS.exe
        "C:\Users\Admin\AppData\Roaming\WINDOWS.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1544

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp7DBB.tmp.bat
    Filesize

    151B

    MD5

    39d1b70a77b36225533483d5c7adbba0

    SHA1

    1e86ef941d34b55d11310d4f80cd27837658e23b

    SHA256

    34a42851211dabf1a40ccab4747524b11da3edab4c80eb141815b0dec97d3261

    SHA512

    a803f7809bafb8127999bfe9992d4e92f9460d026ec420979725b075c219cc43be36ec5a565274c4c63dc541540f2a4fe8b88d77185a2ee743461b5d5c572a98

    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\WINDOWS.exe
    Filesize

    74KB

    MD5

    7a545dbf06e65f7f17f04ae0f5153e0e

    SHA1

    ab20193637edd250eac59fd71b6ea2b7a0faaad4

    SHA256

    c3556cd1169de28cb9f6ba3a06a875f756b1bbadfb51b7ce00c92f23d2cd4f5d

    SHA512

    98a56663c90195b0b22df4dcfd72cc4717e445d5eaa2f4571443becbe38a77121835073cbf56377f5cc11849e160dbe9e156fcff8a3fab2efd9aa97a1876d0d1

    Download Submit

  • memory/720-0-0x00007FFFDD413000-0x00007FFFDD415000-memory.dmp

    Filesize

    8KB

    Download

  • memory/720-1-0x0000000000500000-0x0000000000518000-memory.dmp

    Filesize

    96KB

    Download

  • memory/720-3-0x00007FFFDD410000-0x00007FFFDDED1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/720-8-0x00007FFFDD410000-0x00007FFFDDED1000-memory.dmp

    Filesize

    10.8MB

    Download