Overview

overview

10

Static

static

10

ec0d9955fc...9N.exe

windows7-x64

10

ec0d9955fc...9N.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-10-2024 20:19

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General

  • Target

    ec0d9955fc12a8b1d4779e83cd6e33eb243052059c071def28038e491155e229N.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
  • 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 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\ec0d9955fc12a8b1d4779e83cd6e33eb243052059c071def28038e491155e229N.exe
    "C:\Users\Admin\AppData\Local\Temp\ec0d9955fc12a8b1d4779e83cd6e33eb243052059c071def28038e491155e229N.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4968
    • 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:4072
      • 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:4976
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp84DF.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4284
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:4472
      • 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:1676

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp84DF.tmp.bat
    Filesize

    151B

    MD5

    3f22dc017917a61eeaca0ad8b49af363

    SHA1

    06674421f954802750bb390e3d554a9cc402810c

    SHA256

    4d7c598bfef9d95f1ae2f754ca4a6e1132801cdb9f70686dbcb26c63d5d95869

    SHA512

    71ab9d666df98d7ed52d98b1a5da66019f3f61812404786f10c848bb4c9436a1616f6c5144136b49fb54678b12cec13029f2210ce6fdc25240c6ccd4ea0e76cf

    Download Submit

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

    63KB

    MD5

    e95d140257dd0e6c7e7b0f188a101390

    SHA1

    71448e9aedaf259af742f28dfc7cc8e77d687310

    SHA256

    ec0d9955fc12a8b1d4779e83cd6e33eb243052059c071def28038e491155e229

    SHA512

    14c551c4a6a64331657e3b9ff542e2b25367628b5d31821610b53db2a0cd0add51aaf5abd90969fe61ca4233278f9b3b8876a1a3a4b0443f498230942448e93d

    Download Submit

  • memory/4968-1-0x0000000000E60000-0x0000000000E76000-memory.dmp

    Filesize

    88KB

    Download

  • memory/4968-0-0x00007FFD55DD3000-0x00007FFD55DD5000-memory.dmp

    Filesize

    8KB

    Download

  • memory/4968-2-0x00007FFD55DD0000-0x00007FFD56891000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4968-7-0x00007FFD55DD0000-0x00007FFD56891000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4968-8-0x00007FFD55DD0000-0x00007FFD56891000-memory.dmp

    Filesize

    10.8MB

    Download