Overview

overview

10

Static

static

10

DriverLicense.exe

windows10-2004-x64

10

Resubmissions

12/07/2023, 18:12

230712-ws828aec73 10

12/07/2023, 17:13

230712-vrtepsfb5x 10

Analysis

  • max time kernel
    30s
  • max time network
    26s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/07/2023, 17:13

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General

  • Target

    DriverLicense.exe

  • Size

    98KB

  • MD5

    63b8f13a0f05bad7b75be28588acdf44

  • SHA1

    8216bd7cb1f45ed3e4bd7aa1717df27091a9c2ef

  • SHA256

    27e1d651db990e541da6a4721be1631c252b22b90b1566826c91e63460af08a4

  • SHA512

    8814bcdc91284ce4fa5659b27d2463d5a26982b9d5c4633fa911d163a7b7d052a95620fa3e579e4b0ffa9744c411e4fd3f30eccd92a0ff0b79b4589b8fb67ebf

  • SSDEEP

    1536:pnQpgj4pagHQa1Gbb+wAAnRGYtYMsZuhA86VclN:pjj4pawQqGbb+xCcuO8IY

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

127.0.0.1:8848

127.0.0.1:34507

likely-widespread.at.ply.gg:8848

likely-widespread.at.ply.gg:34507

209.25.140.212:8848

209.25.140.212:34507
Mutex

DcRatMutex_qwqdanchun

Attributes
  • delay

    1

  • install

    true

  • install_file

    FakeId.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.

  • Executes dropped EXE 1 IoCs
  • 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 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\DriverLicense.exe
    "C:\Users\Admin\AppData\Local\Temp\DriverLicense.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4192
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "FakeId" /tr '"C:\Users\Admin\AppData\Roaming\FakeId.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4656
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "FakeId" /tr '"C:\Users\Admin\AppData\Roaming\FakeId.exe"'
        3⤵
        • Creates scheduled task(s)
        PID:216
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8647.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3820
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:2256
      • C:\Users\Admin\AppData\Roaming\FakeId.exe
        "C:\Users\Admin\AppData\Roaming\FakeId.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:2316

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp8647.tmp.bat
          Filesize

          150B

          MD5

          b7cfcc6306502403a25ff188a4d312fd

          SHA1

          0a1b91bac2560f3646e968ad7e106a0212f6730d

          SHA256

          c38fb6ec001d287a9cf126a5b0e85bbc85ecc3416b0dcd6560cf97126781df47

          SHA512

          5de18da6977bde498520af4ef29c914875703d684267ca77ae385d09ddac8e600ea7f5b2a535c4f26fbcfccbef6daac69dae211b5fea2bb3a6e770ad5b2dea46

          Download Submit

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

          98KB

          MD5

          63b8f13a0f05bad7b75be28588acdf44

          SHA1

          8216bd7cb1f45ed3e4bd7aa1717df27091a9c2ef

          SHA256

          27e1d651db990e541da6a4721be1631c252b22b90b1566826c91e63460af08a4

          SHA512

          8814bcdc91284ce4fa5659b27d2463d5a26982b9d5c4633fa911d163a7b7d052a95620fa3e579e4b0ffa9744c411e4fd3f30eccd92a0ff0b79b4589b8fb67ebf

          Download Submit

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

          98KB

          MD5

          63b8f13a0f05bad7b75be28588acdf44

          SHA1

          8216bd7cb1f45ed3e4bd7aa1717df27091a9c2ef

          SHA256

          27e1d651db990e541da6a4721be1631c252b22b90b1566826c91e63460af08a4

          SHA512

          8814bcdc91284ce4fa5659b27d2463d5a26982b9d5c4633fa911d163a7b7d052a95620fa3e579e4b0ffa9744c411e4fd3f30eccd92a0ff0b79b4589b8fb67ebf

          Download Submit

        • memory/2316-143-0x0000000000A90000-0x0000000000AA0000-memory.dmp

          Filesize

          64KB

          Download

        • memory/2316-144-0x0000000000A90000-0x0000000000AA0000-memory.dmp

          Filesize

          64KB

          Download

        • memory/4192-133-0x0000000000DB0000-0x0000000000DCE000-memory.dmp

          Filesize

          120KB

          Download

        • memory/4192-134-0x000000001B8D0000-0x000000001B8E0000-memory.dmp

          Filesize

          64KB

          Download