Overview

overview

10

Static

static

10

db5f90e42c...7c.exe

windows10-2004-x64

10

db5f90e42c...7c.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    6s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    18/07/2026, 10:18

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General

  • Target
    db5f90e42c2e3d960d30019c13cc4cc262d902b00f14a69dbc51d0f5c3317e7c.exe
  • Size 45KB
  • Sample260718-mccjmsbv2t
  • SHA256 db5f90e42c2e3d960d30019c13cc4cc262d902b00f14a69dbc51d0f5c3317e7c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • sexnga.store:80

  • sexnga.store:22

  • sexnga.store:8080

  • sexnga.store:8880

  • sexnga.store:2052

  • sexnga.store:2082

  • sexnga.store:2086

  • sexnga.store:2095

  • sexnga.store:443

  • sexnga.store:2053

  • sexnga.store:2083

  • sexnga.store:2087

  • sexnga.store:2096

  • sexnga.store:8443

  • www.sexnga.store:80

  • www.sexnga.store:22

  • www.sexnga.store:8080

  • www.sexnga.store:8880

  • www.sexnga.store:2052

  • www.sexnga.store:2082

Mutex

  • Bh2jRuMnIDZU

Attributes
  • delay

    0

  • install

    true

  • install_file

    oa37sa.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

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

    ratasyncrat
  • Async RAT payload 1 IoCs
    rat
  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • 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 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\db5f90e42c2e3d960d30019c13cc4cc262d902b00f14a69dbc51d0f5c3317e7c.exe
    "C:\Users\Admin\AppData\Local\Temp\db5f90e42c2e3d960d30019c13cc4cc262d902b00f14a69dbc51d0f5c3317e7c.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2960
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "oa37sa" /tr '"C:\Users\Admin\AppData\Roaming\oa37sa.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3300
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "oa37sa" /tr '"C:\Users\Admin\AppData\Roaming\oa37sa.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2064
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp21C7.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2344
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4604
      • C:\Users\Admin\AppData\Roaming\oa37sa.exe
        "C:\Users\Admin\AppData\Roaming\oa37sa.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1884
  • C:\Users\Admin\AppData\Roaming\oa37sa.exe
    "C:\Users\Admin\AppData\Roaming\oa37sa.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2996

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp21C7.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp21C7.tmp.bat
        • Size 150B
        • SHA256 af358c51ab03f57f0c178ea5616d422a66d2049234fb96882063633ea998f122
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        oa37sa.exe
        • Path C:\Users\Admin\AppData\Roaming\oa37sa.exe
        • Size 45KB
        • SHA256 db5f90e42c2e3d960d30019c13cc4cc262d902b00f14a69dbc51d0f5c3317e7c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2960-0-0x0000000074DF2000-0x0000000074DF3000-memory.dmp
        Download

        memory/2960-1-0x0000000000E50000-0x0000000000E62000-memory.dmp
        Download

        memory/2960-2-0x0000000074DE0000-0x000000007559C000-memory.dmp
        Download

        memory/2960-3-0x0000000005980000-0x0000000005A1C000-memory.dmp
        Download

        memory/2960-13-0x0000000074DE0000-0x000000007559C000-memory.dmp
        Download

        memory/2996-11-0x0000000074C40000-0x00000000753FC000-memory.dmp
        Download

        memory/2996-14-0x0000000074C40000-0x00000000753FC000-memory.dmp
        Download