Resubmissions

13-01-2025 01:07

250113-bg171syjbs 10

12-01-2025 12:47

250112-pz9h1avpfj 10

10-01-2025 14:48

250110-r6gsnsxmd1 10

Analysis

  • max time kernel
    895s
  • max time network
    438s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-01-2025 12:47

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 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 27 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 29 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:512
    • 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:3600
      • 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:3480
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
          • System Location Discovery: System Language Discovery
          PID:640
        • 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:4276
        • C:\Windows\SysWOW64\findstr.exe
          findstr All
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4180
      • 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:2292
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4876
        • 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:4036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\45fbbb6547db51c7e3c8d178c11ce913\Admin@SPDEBJWH_en-US\System\Process.txt

    Filesize

    4KB

    MD5

    99bb845960d8b6b1760ae50cf6d7bafa

    SHA1

    ad5e6a76a4975c834779d4de9b4f969de85ceb3e

    SHA256

    2f5ddc77b2bf1eab38f91a21e7e1a6ee61e774e6a8e4b290da9b6ff70ad02225

    SHA512

    fb97f106180ddf80f2f44ce0fa717a5dc9d42a975651d1775e0f04d55d1691ad9b2fc20f3bc0a1866be37b027dfc79455c76c26921713cc08ee36edcdb59434f

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\e1e6a513abf55583458cd88ec8b7af9ce2a60d169526b0e6a31183a7688b8480.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\b8a4b45740206fef1785745640a2ddb4\msgid.dat

    Filesize

    1B

    MD5

    cfcd208495d565ef66e7dff9f98764da

    SHA1

    b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

    SHA256

    5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

    SHA512

    31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

  • memory/512-6-0x00000000055C0000-0x00000000055E6000-memory.dmp

    Filesize

    152KB

  • memory/512-16-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/512-5-0x0000000005280000-0x000000000528A000-memory.dmp

    Filesize

    40KB

  • memory/512-0-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

    Filesize

    4KB

  • memory/512-7-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

    Filesize

    4KB

  • memory/512-8-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/512-9-0x0000000002A30000-0x0000000002AA6000-memory.dmp

    Filesize

    472KB

  • memory/512-10-0x000000000B4E0000-0x000000000B57C000-memory.dmp

    Filesize

    624KB

  • memory/512-1-0x0000000000710000-0x00000000007D4000-memory.dmp

    Filesize

    784KB

  • memory/512-2-0x0000000005780000-0x0000000005D24000-memory.dmp

    Filesize

    5.6MB

  • memory/512-3-0x00000000051D0000-0x0000000005262000-memory.dmp

    Filesize

    584KB

  • memory/512-4-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/3600-15-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/3600-17-0x0000000005190000-0x00000000051F6000-memory.dmp

    Filesize

    408KB

  • memory/3600-125-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/3600-14-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/3600-162-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/3600-163-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/3600-168-0x0000000005DB0000-0x0000000005DBA000-memory.dmp

    Filesize

    40KB

  • memory/3600-11-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/3600-174-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB