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Resubmissions

13/01/2025, 03:29

250113-d1z56swner 10

13/01/2025, 00:35

250113-axdk8azkfp 10

13/01/2025, 00:02

250113-abma8sykhp 10

12/01/2025, 13:03

250112-qaqv2awjhj 10

Analysis

  • max time kernel
    147s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12/01/2025, 13:03

General

  • Target

    e1e6a513abf55583458cd88ec8b7af9ce2a60d169526b0e6a31183a7688b8480.exe

  • Size

    760KB

  • MD5

    d2b8506820fe3c39b6b5e891170f3451

  • SHA1

    30f6fa21f06d99b0254fa1ff387c45921317eda7

  • SHA256

    e1e6a513abf55583458cd88ec8b7af9ce2a60d169526b0e6a31183a7688b8480

  • SHA512

    15b10c694ff797b8ffbcde18752c2df2d16f961d367794df7f8932bb5bc861faef9984b6b780910eb28c5e1caaa302a0d39d9ca44fb988e84a232d24b7f28781

  • SSDEEP

    12288:YjlIpHtMPku+l0CPPoJts5Pic17D44ehsA4iFMZUiqrbA8yJNB:YjlIhSPd+pWtAPic17Dehx442B

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

https://api.telegram.org/bot6331768257:AAE1Rrc3F4A-nTJkfXEukNBriTate8i72L8/sendMessage?chat_id=5287158069

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Asyncrat family
  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 5 IoCs
  • Stormkitty family
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops desktop.ini file(s) 6 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Looks up geolocation information via web service

    Uses a legitimate geolocation service to find the infected system's geolocation info.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e1e6a513abf55583458cd88ec8b7af9ce2a60d169526b0e6a31183a7688b8480.exe
    "C:\Users\Admin\AppData\Local\Temp\e1e6a513abf55583458cd88ec8b7af9ce2a60d169526b0e6a31183a7688b8480.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2288
    • C:\Users\Admin\AppData\Local\Temp\e1e6a513abf55583458cd88ec8b7af9ce2a60d169526b0e6a31183a7688b8480.exe
      "C:\Users\Admin\AppData\Local\Temp\e1e6a513abf55583458cd88ec8b7af9ce2a60d169526b0e6a31183a7688b8480.exe"
      2⤵
        PID:2756
      • C:\Users\Admin\AppData\Local\Temp\e1e6a513abf55583458cd88ec8b7af9ce2a60d169526b0e6a31183a7688b8480.exe
        "C:\Users\Admin\AppData\Local\Temp\e1e6a513abf55583458cd88ec8b7af9ce2a60d169526b0e6a31183a7688b8480.exe"
        2⤵
        • Drops desktop.ini file(s)
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2800
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
          3⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Wi-Fi Discovery
          • Suspicious use of WriteProcessMemory
          PID:2900
          • C:\Windows\SysWOW64\chcp.com
            chcp 65001
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2916
          • C:\Windows\SysWOW64\netsh.exe
            netsh wlan show profile
            4⤵
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            • System Network Configuration Discovery: Wi-Fi Discovery
            PID:1916
          • C:\Windows\SysWOW64\findstr.exe
            findstr All
            4⤵
            • System Location Discovery: System Language Discovery
            PID:492
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2444
          • C:\Windows\SysWOW64\chcp.com
            chcp 65001
            4⤵
            • System Location Discovery: System Language Discovery
            PID:1968
          • C:\Windows\SysWOW64\netsh.exe
            netsh wlan show networks mode=bssid
            4⤵
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:1708

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\e01fa2b916e0e1663bda90e6b57169e8\msgid.dat

      Filesize

      1B

      MD5

      cfcd208495d565ef66e7dff9f98764da

      SHA1

      b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

      SHA256

      5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

      SHA512

      31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

    • memory/2288-18-0x0000000074080000-0x000000007476E000-memory.dmp

      Filesize

      6.9MB

    • memory/2288-2-0x0000000074080000-0x000000007476E000-memory.dmp

      Filesize

      6.9MB

    • memory/2288-3-0x0000000000470000-0x0000000000496000-memory.dmp

      Filesize

      152KB

    • memory/2288-4-0x000000007408E000-0x000000007408F000-memory.dmp

      Filesize

      4KB

    • memory/2288-5-0x0000000074080000-0x000000007476E000-memory.dmp

      Filesize

      6.9MB

    • memory/2288-6-0x0000000000670000-0x00000000006E6000-memory.dmp

      Filesize

      472KB

    • memory/2288-1-0x0000000000090000-0x0000000000154000-memory.dmp

      Filesize

      784KB

    • memory/2288-0-0x000000007408E000-0x000000007408F000-memory.dmp

      Filesize

      4KB

    • memory/2800-10-0x0000000000400000-0x0000000000432000-memory.dmp

      Filesize

      200KB

    • memory/2800-19-0x0000000074080000-0x000000007476E000-memory.dmp

      Filesize

      6.9MB

    • memory/2800-15-0x0000000000400000-0x0000000000432000-memory.dmp

      Filesize

      200KB

    • memory/2800-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2800-13-0x0000000000400000-0x0000000000432000-memory.dmp

      Filesize

      200KB

    • memory/2800-7-0x0000000000400000-0x0000000000432000-memory.dmp

      Filesize

      200KB

    • memory/2800-17-0x0000000000400000-0x0000000000432000-memory.dmp

      Filesize

      200KB

    • memory/2800-9-0x0000000000400000-0x0000000000432000-memory.dmp

      Filesize

      200KB

    • memory/2800-20-0x0000000074080000-0x000000007476E000-memory.dmp

      Filesize

      6.9MB

    • memory/2800-91-0x0000000074080000-0x000000007476E000-memory.dmp

      Filesize

      6.9MB

    • memory/2800-94-0x0000000074080000-0x000000007476E000-memory.dmp

      Filesize

      6.9MB

    • memory/2800-95-0x0000000074080000-0x000000007476E000-memory.dmp

      Filesize

      6.9MB

    • memory/2800-8-0x0000000000400000-0x0000000000432000-memory.dmp

      Filesize

      200KB

    • memory/2800-101-0x0000000074080000-0x000000007476E000-memory.dmp

      Filesize

      6.9MB