Overview

overview

10

Static

static

10

efc3a7a8-3...2f.exe

windows10-2004-x64

10

efc3a7a8-3...2f.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    119s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    04/08/2026, 12:30

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General

  • Target
    efc3a7a8-3611-4386-87d2-0850ddeb5c2f.exe
  • Size 46KB
  • Sample260804-ppvbbswycw
  • SHA256 0a1c706dea8093573eb8fa271d0669afd07c56e4854162e09a19483ed9d4db64
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • pg55.bingo:4441

  • pg55.bingo:1756

  • pg55.bingo:1250

  • pg55.bingo:5126

  • pg55.bingo:4738

  • pg55.bingo:7097

  • pg55.bingo:8235

  • www.pg55.bingo:4441

  • www.pg55.bingo:1756

  • www.pg55.bingo:1250

  • www.pg55.bingo:5126

  • www.pg55.bingo:4738

  • www.pg55.bingo:7097

  • www.pg55.bingo:8235

  • NotPetya.pg55.bingo:4441

  • NotPetya.pg55.bingo:1756

  • NotPetya.pg55.bingo:1250

  • NotPetya.pg55.bingo:5126

  • NotPetya.pg55.bingo:4738

  • NotPetya.pg55.bingo:7097

Mutex

  • uh4t919asRaF

Attributes
  • delay

    3

  • install

    true

  • install_file

    pg55bingo.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).

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\efc3a7a8-3611-4386-87d2-0850ddeb5c2f.exe
    "C:\Users\Admin\AppData\Local\Temp\efc3a7a8-3611-4386-87d2-0850ddeb5c2f.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3052
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "pg55bingo" /tr '"C:\Users\Admin\AppData\Roaming\pg55bingo.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1812
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "pg55bingo" /tr '"C:\Users\Admin\AppData\Roaming\pg55bingo.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3384
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8C6C.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1536
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1472
      • C:\Users\Admin\AppData\Roaming\pg55bingo.exe
        "C:\Users\Admin\AppData\Roaming\pg55bingo.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4632
  • C:\Users\Admin\AppData\Roaming\pg55bingo.exe
    "C:\Users\Admin\AppData\Roaming\pg55bingo.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4072

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp8C6C.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp8C6C.tmp.bat
        • Size 153B
        • SHA256 46486d3132556a1e55ffe51183cecd1db1e856869e28d5a990a4f22d70c800d8
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        pg55bingo.exe
        • Path C:\Users\Admin\AppData\Roaming\pg55bingo.exe
        • Size 46KB
        • SHA256 0a1c706dea8093573eb8fa271d0669afd07c56e4854162e09a19483ed9d4db64
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3052-0-0x00000000001C0000-0x00000000001D2000-memory.dmp
        Download

        memory/3052-1-0x0000000004B60000-0x0000000004B70000-memory.dmp
        Download

        memory/3052-2-0x0000000004C10000-0x0000000004CAC000-memory.dmp
        Download