Resubmissions

13/01/2025, 03:29

250113-d1z56swner10

13/01/2025, 00:35

250113-axdk8azkfp10

13/01/2025, 00:02

250113-abma8sykhp10

12/01/2025, 13:03

250112-qaqv2awjhj10

Analysis

  • max time kernel
    897s
  • max time network
    434s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/01/2025, 00:35

General

  • Target
    e1e6a513abf55583458cd88ec8b7af9ce2a60d169526b0e6a31183a7688b8480.exe
  • Size 760KB
  • Sample250113-axdk8azkfp
  • SHA256 e1e6a513abf55583458cd88ec8b7af9ce2a60d169526b0e6a31183a7688b8480
  • MD5 SHA1 SHA512 SSDEEP

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 1 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) 8 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 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e1e6a513abf55583458cd88ec8b7af9ce2a60d169526b0e6a31183a7688b8480.exe
    C:\Users\Admin\AppData\Local\Temp\e1e6a513abf55583458cd88ec8b7af9ce2a60d169526b0e6a31183a7688b8480.exe cmd /c %SIGILL% "SIGTERM|DELETE|SIGKILL"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1792
    • C:\Users\Admin\AppData\Local\Temp\e1e6a513abf55583458cd88ec8b7af9ce2a60d169526b0e6a31183a7688b8480.exe
      "C:\Users\Admin\AppData\Local\Temp\e1e6a513abf55583458cd88ec8b7af9ce2a60d169526b0e6a31183a7688b8480.exe"
      2⤵
        PID:2604
      • 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:4288
        • 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:3996
          • C:\Windows\SysWOW64\chcp.com
            chcp 65001
            4⤵
            • System Location Discovery: System Language Discovery
            PID:4708
          • 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:3652
          • C:\Windows\SysWOW64\findstr.exe
            findstr All
            4⤵
            • System Location Discovery: System Language Discovery
            PID:232
        • 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:4540
          • C:\Windows\SysWOW64\chcp.com
            chcp 65001
            4⤵
            • System Location Discovery: System Language Discovery
            PID:1608
          • 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:228

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          msgid.dat

          • Path C:\Users\Admin\AppData\Local\5ec5061678b4093e0b5e70769cd6da1d\msgid.dat
          • Size 1B
          • SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
          • MD5 SHA1 SHA512

          e1e6a513abf55583458cd88ec8b7af9ce2a60d169526b0e6a31183a7688b8480.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\e1e6a513abf55583458cd88ec8b7af9ce2a60d169526b0e6a31183a7688b8480.exe.log
          • Size 1KB
          • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
          • MD5 SHA1 SHA512

          Bookmarks.txt

          • Path C:\Users\Admin\AppData\Local\d96adf51022a6a3e891f772c20a09f1b\Admin@GLZCSNLK_en-US\Browsers\Firefox\Bookmarks.txt
          • Size 105B
          • SHA256 c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142
          • MD5 SHA1 SHA512

          Process.txt

          • Path C:\Users\Admin\AppData\Local\d96adf51022a6a3e891f772c20a09f1b\Admin@GLZCSNLK_en-US\System\Process.txt
          • Size 4KB
          • SHA256 73f062150a661c136546e4ac95d9216c3e062d63623187b2a8fc28658dd177e7
          • MD5 SHA1 SHA512 SSDEEP

          memory/1792-6-0x00000000053D0000-0x00000000053F6000-memory.dmp

          memory/1792-3-0x0000000005200000-0x0000000005292000-memory.dmp

          memory/1792-0-0x000000007469E000-0x000000007469F000-memory.dmp

          memory/1792-7-0x000000007469E000-0x000000007469F000-memory.dmp

          memory/1792-8-0x0000000074690000-0x0000000074E40000-memory.dmp

          memory/1792-9-0x0000000004BE0000-0x0000000004C56000-memory.dmp

          memory/1792-10-0x000000000C1B0000-0x000000000C24C000-memory.dmp

          memory/1792-1-0x0000000000770000-0x0000000000834000-memory.dmp

          memory/1792-4-0x00000000052C0000-0x00000000052CA000-memory.dmp

          memory/1792-2-0x0000000005890000-0x0000000005E34000-memory.dmp

          memory/1792-15-0x0000000074690000-0x0000000074E40000-memory.dmp

          memory/1792-5-0x0000000074690000-0x0000000074E40000-memory.dmp

          memory/4288-16-0x0000000074690000-0x0000000074E40000-memory.dmp

          memory/4288-17-0x00000000058F0000-0x0000000005956000-memory.dmp

          memory/4288-114-0x0000000074690000-0x0000000074E40000-memory.dmp

          memory/4288-14-0x0000000074690000-0x0000000074E40000-memory.dmp

          memory/4288-153-0x0000000074690000-0x0000000074E40000-memory.dmp

          memory/4288-163-0x0000000074690000-0x0000000074E40000-memory.dmp

          memory/4288-168-0x0000000006520000-0x000000000652A000-memory.dmp

          memory/4288-11-0x0000000000400000-0x0000000000432000-memory.dmp

          memory/4288-174-0x0000000074690000-0x0000000074E40000-memory.dmp