Overview

overview

10

Static

static

10

f5958eae1d...32.exe

windows7-x64

10

f5958eae1d...32.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    147s
  • max time network
    152s
  • 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 19:08

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General

  • Target

    f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32.exe

  • Size

    90KB

  • MD5

    51a43245ecf3a5f9871d4e2003a36032

  • SHA1

    14f0576f0639189c6252467aba08eb8d8e557578

  • SHA256

    f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32

  • SHA512

    68ebffa51c9aca71cb4de71d287a434de15dd3f04ffde513631da3bb6f348614bf9e13b99612e90ff07b1d70f05e5732d76457195e8432b4420d08913614b0fe

  • SSDEEP

    1536:uUaUcxoyR1CriPMVzrqVBYgImH1bz/psRo2Qzcxop3KBv3RiDKLVclN:uUDcxoyXkiPMVzrqVHH1bzRahQxUYKBY

Score
10/10
asyncratsvchost.exerat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

svchost.exe

C2

127.0.0.1:80

2.58.84.229:80
Mutex

svchost.exe

Attributes
  • delay

    1

  • install

    true

  • install_file

    svchost.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 38 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\f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32.exe
    "C:\Users\Admin\AppData\Local\Temp\f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5116
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1808
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4912
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp7C25.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4996
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:3076
      • C:\Users\Admin\AppData\Roaming\svchost.exe
        "C:\Users\Admin\AppData\Roaming\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1736

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp7C25.tmp.bat
    Filesize

    151B

    MD5

    a747bb93d865e9742dbe6836f3dc3881

    SHA1

    61469ddd1bf736491cace24e855e9c516b690943

    SHA256

    b3d9502c8aa8ccb092869fb7c2396178b78850271adc295238f3bb8dd94052ed

    SHA512

    872f24d71a6be184a960316e5a985b844c439a4153f65933c75cd3eeeaedd65786e3c0fdbf7637cbfc73f9aa309ab6dd632750385cb4662544fe0968722fc3a2

    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\svchost.exe
    Filesize

    90KB

    MD5

    51a43245ecf3a5f9871d4e2003a36032

    SHA1

    14f0576f0639189c6252467aba08eb8d8e557578

    SHA256

    f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32

    SHA512

    68ebffa51c9aca71cb4de71d287a434de15dd3f04ffde513631da3bb6f348614bf9e13b99612e90ff07b1d70f05e5732d76457195e8432b4420d08913614b0fe

    Download Submit

  • memory/5116-0-0x00007FFCA41F3000-0x00007FFCA41F5000-memory.dmp

    Filesize

    8KB

    Download

  • memory/5116-1-0x0000000000020000-0x000000000003C000-memory.dmp

    Filesize

    112KB

    Download

  • memory/5116-3-0x00007FFCA41F0000-0x00007FFCA4CB1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/5116-8-0x00007FFCA41F0000-0x00007FFCA4CB1000-memory.dmp

    Filesize

    10.8MB

    Download