Overview

overview

10

Static

static

10

1a4631b6e3...a4.exe

windows10-2004-x64

10

1a4631b6e3...a4.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    58s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    06/06/2026, 19:08

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General

  • Target
    1a4631b6e339e2c7feb61e01b88b72cf0011dea52391c09a27c8e500c7f989a4.exe
  • Size 45KB
  • Sample260606-xtargsb14k
  • SHA256 1a4631b6e339e2c7feb61e01b88b72cf0011dea52391c09a27c8e500c7f989a4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • sexviet88s.blog:5367

  • sexviet88s.blog:7707

  • sexviet88s.blog:4468

  • sexviet88s.blog:8832

  • sexviet88s.blog:2257

  • sexviet88s.blog:1729

  • sexviet88s.blog:9527

  • sexviet88s.blog:1344

  • sexviet88s.blog:8562

  • www.sexviet88s.blog:5367

  • www.sexviet88s.blog:7707

  • www.sexviet88s.blog:4468

  • www.sexviet88s.blog:8832

  • www.sexviet88s.blog:2257

  • www.sexviet88s.blog:1729

  • www.sexviet88s.blog:9527

  • www.sexviet88s.blog:1344

  • www.sexviet88s.blog:8562

  • lokibot.sexviet88s.blog:5367

  • lokibot.sexviet88s.blog:7707

Mutex

  • FZjYpFO4CUzw

Attributes
  • delay

    0

  • install

    true

  • install_file

    jc6ags.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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a4631b6e339e2c7feb61e01b88b72cf0011dea52391c09a27c8e500c7f989a4.exe
    "C:\Users\Admin\AppData\Local\Temp\1a4631b6e339e2c7feb61e01b88b72cf0011dea52391c09a27c8e500c7f989a4.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1928
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "jc6ags" /tr '"C:\Users\Admin\AppData\Roaming\jc6ags.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4016
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "jc6ags" /tr '"C:\Users\Admin\AppData\Roaming\jc6ags.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1612
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5966.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3424
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3548
      • C:\Users\Admin\AppData\Roaming\jc6ags.exe
        "C:\Users\Admin\AppData\Roaming\jc6ags.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1988
  • C:\Users\Admin\AppData\Roaming\jc6ags.exe
    "C:\Users\Admin\AppData\Roaming\jc6ags.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4012

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp5966.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp5966.tmp.bat
        • Size 150B
        • SHA256 3cc82cbdcfdd98ae07e2d735797fa9eb898677d97c456de8d2bfddd15d8cddcc
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        jc6ags.exe
        • Path C:\Users\Admin\AppData\Roaming\jc6ags.exe
        • Size 45KB
        • SHA256 1a4631b6e339e2c7feb61e01b88b72cf0011dea52391c09a27c8e500c7f989a4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1928-0-0x0000000000110000-0x0000000000122000-memory.dmp
        Download

        memory/1928-1-0x0000000004AF0000-0x0000000004B00000-memory.dmp
        Download

        memory/1928-2-0x0000000004B00000-0x0000000004B9C000-memory.dmp
        Download

        memory/4012-10-0x0000000002BF0000-0x0000000002C00000-memory.dmp
        Download

        memory/4012-13-0x0000000002BF0000-0x0000000002C00000-memory.dmp
        Download