Overview

overview

10

Static

static

10

9c2d487101...0N.exe

windows7-x64

10

9c2d487101...0N.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    119s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-08-2024 01:10

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General

  • Target

    9c2d4871014553f542534fce03805000N.exe

  • Size

    63KB

  • MD5

    9c2d4871014553f542534fce03805000

  • SHA1

    cd44e0ee979718203d896fcc7dcb5cc5077eb721

  • SHA256

    9fde4361d7beadb8c11afed5b0518211740cef76ea03146e98a8337581e02f7e

  • SHA512

    7d15b22083a0132440297035e5854b318e2aadc615c7959285bc8516292b19f7cd1b062350bde02397e562952ec0910100c4988bec2d92b4ca394b76b1bb7442

  • SSDEEP

    768:PHDvlKazXYN78NwC8A+XuqazcBRL5JTk1+T4KSBGHmDbD/ph0oXOlKYsN3tlSusV:btTXA9dSJYUbdh9OlAF+usdpqKmY7

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Botnet

Default

Attributes
  • delay

    1

  • install

    true

  • install_file

    Discord.exe

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/zs3YKzJ3

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
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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 21 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\9c2d4871014553f542534fce03805000N.exe
    "C:\Users\Admin\AppData\Local\Temp\9c2d4871014553f542534fce03805000N.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3348
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Discord" /tr '"C:\Users\Admin\AppData\Roaming\Discord.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4904
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "Discord" /tr '"C:\Users\Admin\AppData\Roaming\Discord.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2888
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpADA5.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2280
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:5032
      • C:\Users\Admin\AppData\Roaming\Discord.exe
        "C:\Users\Admin\AppData\Roaming\Discord.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1504

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpADA5.tmp.bat
    Filesize

    151B

    MD5

    eaef403f3f46333089daedf6b4b8b76c

    SHA1

    7ae8a2c16568627e494212a54fae5f69fd141164

    SHA256

    2b7839be430d7a3e0c0340a16f94fbe6503eed6c3feab7507a00c439bebc5340

    SHA512

    645b73976faefaef4dda15aafa552373166da24285401dbd0389d361748c25c5b26a0f00b4129d595e64aa751cfc1d32ae72f77a908f9667a692152880fdc2ca

    Download Submit

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

    63KB

    MD5

    9c2d4871014553f542534fce03805000

    SHA1

    cd44e0ee979718203d896fcc7dcb5cc5077eb721

    SHA256

    9fde4361d7beadb8c11afed5b0518211740cef76ea03146e98a8337581e02f7e

    SHA512

    7d15b22083a0132440297035e5854b318e2aadc615c7959285bc8516292b19f7cd1b062350bde02397e562952ec0910100c4988bec2d92b4ca394b76b1bb7442

    Download Submit

  • memory/3348-1-0x00007FF9FEBA3000-0x00007FF9FEBA5000-memory.dmp

    Filesize

    8KB

    Download

  • memory/3348-0-0x00000000003F0000-0x0000000000406000-memory.dmp

    Filesize

    88KB

    Download

  • memory/3348-2-0x00007FF9FEBA0000-0x00007FF9FF661000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3348-7-0x00007FF9FEBA0000-0x00007FF9FF661000-memory.dmp

    Filesize

    10.8MB

    Download