Overview

overview

10

Static

static

10

Infected.exe

windows10-1703-x64

10

Infected.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    85s
  • max time network
    78s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    13-10-2024 10:13

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General

  • Target

    Infected.exe

  • Size

    63KB

  • MD5

    e95d140257dd0e6c7e7b0f188a101390

  • SHA1

    71448e9aedaf259af742f28dfc7cc8e77d687310

  • SHA256

    ec0d9955fc12a8b1d4779e83cd6e33eb243052059c071def28038e491155e229

  • SHA512

    14c551c4a6a64331657e3b9ff542e2b25367628b5d31821610b53db2a0cd0add51aaf5abd90969fe61ca4233278f9b3b8876a1a3a4b0443f498230942448e93d

  • SSDEEP

    768:PHMvlKazXYN78NwC8A+XuqazcBRL5JTk1+T4KSBGHmDbD/ph0oXZfdYHaUTSusdP:EtTXA9dSJYUbdh9Z1YN2usdpqKmY7

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

Pizd11337-26540.portmap.host:26540

Attributes
  • delay

    1

  • install

    true

  • install_file

    FileSVC.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
  • 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 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\Infected.exe
    "C:\Users\Admin\AppData\Local\Temp\Infected.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3400
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "FileSVC" /tr '"C:\Users\Admin\AppData\Roaming\FileSVC.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3632
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "FileSVC" /tr '"C:\Users\Admin\AppData\Roaming\FileSVC.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3764
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6CE3.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1372
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:2184
      • C:\Users\Admin\AppData\Roaming\FileSVC.exe
        "C:\Users\Admin\AppData\Roaming\FileSVC.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp6CE3.tmp.bat
    Filesize

    151B

    MD5

    103f6fa9735348dc38120fff7a343311

    SHA1

    448b642a656d8a6bdaad7a62a00682dc96c14c86

    SHA256

    e84b80c2153840ce3e46041cf1b3c1ffdc8ff4c1c678bdac6454e17dafa92c69

    SHA512

    cb282bec1ca52b449d78c816b404f79079bc2db71547bfe3ded2ec7dc8dd7d9374dd43e28187779b9ec828693fabbfae27d6a0d5695ebcfe9c9fdc73345a4981

    Download Submit

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

    63KB

    MD5

    e95d140257dd0e6c7e7b0f188a101390

    SHA1

    71448e9aedaf259af742f28dfc7cc8e77d687310

    SHA256

    ec0d9955fc12a8b1d4779e83cd6e33eb243052059c071def28038e491155e229

    SHA512

    14c551c4a6a64331657e3b9ff542e2b25367628b5d31821610b53db2a0cd0add51aaf5abd90969fe61ca4233278f9b3b8876a1a3a4b0443f498230942448e93d

    Download Submit

  • memory/3400-0-0x00007FF9D2D43000-0x00007FF9D2D44000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3400-1-0x00000000004C0000-0x00000000004D6000-memory.dmp

    Filesize

    88KB

    Download

  • memory/3400-2-0x00007FF9D2D40000-0x00007FF9D372C000-memory.dmp

    Filesize

    9.9MB

    Download

  • memory/3400-5-0x00007FF9D2D40000-0x00007FF9D372C000-memory.dmp

    Filesize

    9.9MB

    Download

  • memory/3400-8-0x00007FF9D2D40000-0x00007FF9D372C000-memory.dmp

    Filesize

    9.9MB

    Download