Overview

overview

10

Static

static

10

1234rwe.exe

windows7-x64

10

1234rwe.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    1048s
  • max time network
    1049s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 11:11

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General

  • Target

    1234rwe.exe

  • Size

    74KB

  • MD5

    f2d0418d8366c6555496da77cccddcee

  • SHA1

    812e7f5741fd7e6ba812eab3b8462b10d0adffbd

  • SHA256

    db08a16f34428dc8c27fa3ad293cac69a200050d94c93ced18b2436cba822b4f

  • SHA512

    e9278138b62923fd5fec1fe805751d1a786931adf45dce53457f4bf0e8af5e19b05321b67904912243c3642da04662e5c9ed89966a5120dd70f7fdabe14bda5c

  • SSDEEP

    1536:ZUxQcxh31CfGPMVKGggyVIrH1bo/JfO/V9QzcQxLVclN:ZUecxhlEGPMVRggygH1bot2V9QlxBY

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

Mutex

ytgjjhywchk

Attributes
  • delay

    1

  • install

    true

  • install_file

    RealtekHighDefinitionAudio.exe

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/ZrvsMACD

aes.plain

Signatures

  • AsyncRat

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

    ratasyncrat
  • Asyncrat family
    asyncrat
  • 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 2 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\1234rwe.exe
    "C:\Users\Admin\AppData\Local\Temp\1234rwe.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2716
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "RealtekHighDefinitionAudio" /tr '"C:\Users\Admin\AppData\Roaming\RealtekHighDefinitionAudio.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2952
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "RealtekHighDefinitionAudio" /tr '"C:\Users\Admin\AppData\Roaming\RealtekHighDefinitionAudio.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4588
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpAC0F.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1108
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:3516
      • C:\Users\Admin\AppData\Roaming\RealtekHighDefinitionAudio.exe
        "C:\Users\Admin\AppData\Roaming\RealtekHighDefinitionAudio.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4528

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpAC0F.tmp.bat
    Filesize

    170B

    MD5

    0320989b2b14ff0fddbe0cf536750a9d

    SHA1

    32c56b33788b849d66c4473180bc1a2b713658a7

    SHA256

    e85c4b3aaf7d9519e90dd8bb4025f0f3067641e0e2c9150ad5e19309bd366dc9

    SHA512

    719186c856f2275893a39dbd60b04ed4a53977b4f8bc1b31e80b7c309741c0dad93db5ee474d5dac2e6c3c39e3bacd599cf2749a1975eef595ee9bbe004a9572

    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\RealtekHighDefinitionAudio.exe
    Filesize

    74KB

    MD5

    f2d0418d8366c6555496da77cccddcee

    SHA1

    812e7f5741fd7e6ba812eab3b8462b10d0adffbd

    SHA256

    db08a16f34428dc8c27fa3ad293cac69a200050d94c93ced18b2436cba822b4f

    SHA512

    e9278138b62923fd5fec1fe805751d1a786931adf45dce53457f4bf0e8af5e19b05321b67904912243c3642da04662e5c9ed89966a5120dd70f7fdabe14bda5c

    Download Submit

  • memory/2716-0-0x00007FFA89BB3000-0x00007FFA89BB5000-memory.dmp

    Filesize

    8KB

    Download

  • memory/2716-1-0x0000000000A10000-0x0000000000A28000-memory.dmp

    Filesize

    96KB

    Download

  • memory/2716-3-0x00007FFA89BB0000-0x00007FFA8A671000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/2716-8-0x00007FFA89BB0000-0x00007FFA8A671000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/2716-9-0x00007FFA89BB0000-0x00007FFA8A671000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4528-15-0x000000001B730000-0x000000001B832000-memory.dmp

    Filesize

    1.0MB

    Download