Overview

overview

10

Static

static

10

bd6117aae6...0N.exe

windows7-x64

10

bd6117aae6...0N.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    106s
  • max time network
    114s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-07-2024 12:21

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General

  • Target

    bd6117aae6da215e0a1925626c4c83e0N.exe

  • Size

    63KB

  • MD5

    bd6117aae6da215e0a1925626c4c83e0

  • SHA1

    2acc947247289cc1eb8458961e05bbb87d4bf030

  • SHA256

    dac7bd63e97eca95db8f8a4997d9e00f058239229c59869fb1151db6be452c8e

  • SHA512

    17dd2bf6cc481a3e6f53bb9ec3c98f1edb873e4516d6dd20d25e22acc9d5243f06096923bebc2c1a8adde13d6174f4162472f1ed411902b49015c30954ed83af

  • SSDEEP

    1536:ghWRpM16zMsN2eeiIVrGbbXwEho3GWDpqKmY7:ghWRpM16/NveXGbbXvhqgz

Score
10/10
asyncratvenom clientsrat

Malware Config

Extracted

Family

asyncrat

Version

5.0.5

Botnet

Venom Clients

C2

127.0.0.1:4449

192.168.1.10:4449
Mutex

Venom_RAT_HVNC_Mutex_Venom RAT_HVNC

Attributes
  • delay

    1

  • install

    true

  • install_file

    new.exe

  • install_folder

    %AppData%

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
  • 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 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\bd6117aae6da215e0a1925626c4c83e0N.exe
    "C:\Users\Admin\AppData\Local\Temp\bd6117aae6da215e0a1925626c4c83e0N.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1040
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "new" /tr '"C:\Users\Admin\AppData\Roaming\new.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4928
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "new" /tr '"C:\Users\Admin\AppData\Roaming\new.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3392
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA865.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4912
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:1380
      • C:\Users\Admin\AppData\Roaming\new.exe
        "C:\Users\Admin\AppData\Roaming\new.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1464

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA865.tmp.bat
    Filesize

    147B

    MD5

    6a82337b4cf48b447da125815ac54d97

    SHA1

    52594882050d5f50fdf490cdc92623c0781a37ec

    SHA256

    2a7bb9be06a7abd2d2139a5c47a64bfae0359965acce0d0f5b267fa58af70fb2

    SHA512

    e61e6161adaea5e1192e2dd8f004475ef23a0cf5f42a8f2601b3da601d9e76078512ad660697cfd3a3c33943a0d9f126102b2fd810d6234b374e81e779ce2345

    Download Submit

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

    63KB

    MD5

    bd6117aae6da215e0a1925626c4c83e0

    SHA1

    2acc947247289cc1eb8458961e05bbb87d4bf030

    SHA256

    dac7bd63e97eca95db8f8a4997d9e00f058239229c59869fb1151db6be452c8e

    SHA512

    17dd2bf6cc481a3e6f53bb9ec3c98f1edb873e4516d6dd20d25e22acc9d5243f06096923bebc2c1a8adde13d6174f4162472f1ed411902b49015c30954ed83af

    Download Submit

  • memory/1040-0-0x00007FFAA7FA3000-0x00007FFAA7FA5000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1040-1-0x0000000000D40000-0x0000000000D56000-memory.dmp

    Filesize

    88KB

    Download

  • memory/1040-2-0x00007FFAA7FA0000-0x00007FFAA8A61000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/1040-7-0x00007FFAA7FA0000-0x00007FFAA8A61000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/1040-12-0x00007FFAA7FA0000-0x00007FFAA8A61000-memory.dmp

    Filesize

    10.8MB

    Download