Overview

overview

10

Static

static

10

38312527c8...20.exe

windows7-x64

10

38312527c8...20.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    19s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-01-2024 17:19

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    38312527c8f936445c85e7ddde36f420.exe

  • Size

    73KB

  • MD5

    38312527c8f936445c85e7ddde36f420

  • SHA1

    725a7f7522e907878eb84456ccb0424332b5cdd6

  • SHA256

    3df5b2d8fa12771d01180865d86b83385535794b18232cca17e5a7e3fac585fb

  • SHA512

    b748a3c76aaeefe29ca856ebbe49b7e316c992af399e6678bb43e0bef297e03cf0144b06cad64a9c46c6a2950e38036a07bd9e3dc23cc67f1b63702153fc38d0

  • SSDEEP

    1536:6aUqAcxVMW7eTmJ9rxjJTkdK4WaxHdSzPMwy/eqmmRhdWVH1bfbCeZkwzUIbVclN:6aUTcxVMW7eiJ9rxjJTkdK4WaP0PMwh6

Score
10/10
asyncratexodusrat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.2

Botnet

Exodus

C2

91.92.255.187:4449

Mutex

ypyertvpyqfr

Attributes
  • delay

    1

  • install

    true

  • install_file

    chromeupdate.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 3 IoCs
    rat
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\38312527c8f936445c85e7ddde36f420.exe
    "C:\Users\Admin\AppData\Local\Temp\38312527c8f936445c85e7ddde36f420.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1380
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpE7B0.tmp.bat""
      2⤵
        PID:4088
        • C:\Windows\system32\timeout.exe
          timeout 3
          3⤵
          • Delays execution with timeout.exe
          PID:4192
        • C:\Users\Admin\AppData\Roaming\chromeupdate.exe
          "C:\Users\Admin\AppData\Roaming\chromeupdate.exe"
          3⤵
            PID:2844
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "chromeupdate" /tr '"C:\Users\Admin\AppData\Roaming\chromeupdate.exe"' & exit
          2⤵
            PID:4908
        • C:\Windows\system32\schtasks.exe
          schtasks /create /f /sc onlogon /rl highest /tn "chromeupdate" /tr '"C:\Users\Admin\AppData\Roaming\chromeupdate.exe"'
          1⤵
          • Creates scheduled task(s)
          PID:4068

        Network

        MITRE ATT&CK Matrix ATT&CK v13

        Initial Access

        Execution

        Scheduled Task/Job

        1
        T1053

        Persistence

        Scheduled Task/Job

        1
        T1053

        Privilege Escalation

        Scheduled Task/Job

        1
        T1053

        Defense Evasion

        Credential Access

        Discovery

        Query Registry

        1
        T1012

        System Information Discovery

        2
        T1082

        Lateral Movement

        Collection

        Exfiltration

        Command and Control

        Impact

        Resource Development

        Reconnaissance

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmpE7B0.tmp.bat
          Filesize

          156B

          MD5

          56484193b8f072efd1d71f820f5802b6

          SHA1

          c8c8e4ff5e76539a95c7c40e168906b6d7c1e388

          SHA256

          6104c7dc4e2ab604179b891c90eb15f45b7252c5c9d05d177b4acda257495fe3

          SHA512

          6ed45a87243da0b404166e7f8657725808258dc97f898fad08f965498f7b8653fd71f4a42d27c855a04947d8a0bd966d670b805546ac094bba8dd3b2a8d154fd

          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\chromeupdate.exe
          Filesize

          47KB

          MD5

          3bb8f0a26cf28d72718f20fcb5c618ce

          SHA1

          8369df08482d67829a19abfc84afa8f4a4c866cc

          SHA256

          79e24e7914e3a2d06eec90c22dece6e3f5b3d91596af92fc3318c340ffdd7083

          SHA512

          23f9f27921e2fa08dd88c9f91554727e6da44f7034c5ca9f3a9a7b39aaf7e8f101254480a1cb8e9059b8fdb3ee636890ded6a71c3cb31f1e3c936c71f17e0e14

          Download Submit
        • C:\Users\Admin\AppData\Roaming\chromeupdate.exe
          Filesize

          1KB

          MD5

          1571c876dea6e74eb92def9a411e8f02

          SHA1

          7185c93479187ace7756f02ceb84a26e235b2e5a

          SHA256

          b521fe3a02613c320f9444238fe0f9e4241b0378f1421f2106589fc91d8901a1

          SHA512

          1688ec2dedc94ab6b4379e50f7101474a71258c6c523fe61fb2610e5073b0e85bdfc02ad7243559ae4bdd86abf0c74c4a86af45c85f57dee856b7fb2fe1e9ec3

          Download Submit
        • memory/1380-6-0x00007FF97F990000-0x00007FF97FB85000-memory.dmp
          Filesize

          2.0MB

          Download
        • memory/1380-10-0x00007FF97F990000-0x00007FF97FB85000-memory.dmp
          Filesize

          2.0MB

          Download
        • memory/1380-9-0x00007FF9616D0000-0x00007FF962191000-memory.dmp
          Filesize

          10.8MB

          Download
        • memory/1380-0-0x0000000000700000-0x0000000000718000-memory.dmp
          Filesize

          96KB

          Download
        • memory/1380-2-0x00007FF9616D0000-0x00007FF962191000-memory.dmp
          Filesize

          10.8MB

          Download
        • memory/1380-3-0x0000000001020000-0x0000000001030000-memory.dmp
          Filesize

          64KB

          Download
        • memory/2844-17-0x000000001BA90000-0x000000001BAA0000-memory.dmp
          Filesize

          64KB

          Download
        • memory/2844-16-0x00007FF960A60000-0x00007FF961521000-memory.dmp
          Filesize

          10.8MB

          Download
        • memory/2844-18-0x00007FF960A60000-0x00007FF961521000-memory.dmp
          Filesize

          10.8MB

          Download
        • memory/2844-19-0x000000001BA90000-0x000000001BAA0000-memory.dmp
          Filesize

          64KB

          Download