Overview

overview

10

Static

static

10

e17921bea1...0d.exe

windows10-2004-x64

10

e17921bea1...0d.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    58s
  • max time network
    64s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250313-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/04/2025, 19:30

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General

  • Target

    e17921bea1470cc872b6a1a1ec2b31f82332bfefb57faaf1b782c5bda0d0530d.exe

  • Size

    63KB

  • MD5

    b084f9671ccc68bff77cd3f15b784498

  • SHA1

    c3ad6ea4d98109d3755b6eb8df7fd9410057662a

  • SHA256

    e17921bea1470cc872b6a1a1ec2b31f82332bfefb57faaf1b782c5bda0d0530d

  • SHA512

    bd4c8ed42dc954381c899a6ad645e44744a4a9571fda0ef59f41e0b1aa78278f1f4d4a1cdf3e46524cc54241d1a150b9e59567be78fc7da2240c854c84c2b33f

  • SSDEEP

    768:kk/9PXn1w787gC8A+XvqazcBRL5JTk1+T4KSBGHmDbD/ph0oXryg6WcOSu13pqKX:xR1gMdSJYUbdh91cZu13pqKmY7

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

carolina-candles.gl.at.ply.gg:34316

Attributes
  • delay

    1

  • install

    true

  • install_file

    square.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

    ratasyncrat
  • Asyncrat family
    asyncrat
  • 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
    defense_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 23 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\e17921bea1470cc872b6a1a1ec2b31f82332bfefb57faaf1b782c5bda0d0530d.exe
    "C:\Users\Admin\AppData\Local\Temp\e17921bea1470cc872b6a1a1ec2b31f82332bfefb57faaf1b782c5bda0d0530d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3888
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "square" /tr '"C:\Users\Admin\AppData\Roaming\square.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5856
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "square" /tr '"C:\Users\Admin\AppData\Roaming\square.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1112
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4FE2.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1396
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:3284
      • C:\Users\Admin\AppData\Roaming\square.exe
        "C:\Users\Admin\AppData\Roaming\square.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:4664

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp4FE2.tmp.bat
    Filesize

    150B

    MD5

    734445f374c7c01bd661d0986ad07d95

    SHA1

    38f7765776da1a22fedd5a5dedf09eaa10bfc39c

    SHA256

    f0cd467df4bac0beadd00dc321174967c35d5cca75120bc5a7822b8db35fc28f

    SHA512

    0ec35d753ec5ea363e648fe8a71ac2537486d8a0121b31620f034886196b8616b4f31d6a36b9d722516b127ab2dd68aac44961d31fac9fcecb43cd39e0517b88

    Download Submit

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

    63KB

    MD5

    b084f9671ccc68bff77cd3f15b784498

    SHA1

    c3ad6ea4d98109d3755b6eb8df7fd9410057662a

    SHA256

    e17921bea1470cc872b6a1a1ec2b31f82332bfefb57faaf1b782c5bda0d0530d

    SHA512

    bd4c8ed42dc954381c899a6ad645e44744a4a9571fda0ef59f41e0b1aa78278f1f4d4a1cdf3e46524cc54241d1a150b9e59567be78fc7da2240c854c84c2b33f

    Download Submit

  • memory/3888-0-0x00007FFD5AC53000-0x00007FFD5AC55000-memory.dmp

    Filesize

    8KB

    Download

  • memory/3888-1-0x0000000000420000-0x0000000000436000-memory.dmp

    Filesize

    88KB

    Download

  • memory/3888-2-0x00007FFD5AC50000-0x00007FFD5B711000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3888-3-0x00007FFD5AC50000-0x00007FFD5B711000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3888-9-0x00007FFD5AC50000-0x00007FFD5B711000-memory.dmp

    Filesize

    10.8MB

    Download