Analysis

  • max time kernel
    146s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-07-2024 01:23

General

  • Target

    LisectAVT_2403002B_4.exe

  • Size

    210KB

  • MD5

    08adca5907849bca41a607e62864cd4a

  • SHA1

    7c7be1451cf7175923139990572470b3fceef9d7

  • SHA256

    0a8fe4d8b13e9cb811bf9985b89cb0a38ee2e594e705a0b366d80e55a3d6f5a4

  • SHA512

    00c121b25f04eba9471abfc8cdf9a63fa5fc6e991d5086cda53245315104831bcddc763d5fba6a9744bf4aaee0829484365ae2e8652c4b01639a798b981ec360

  • SSDEEP

    3072:sr85Cezj8mZw0YaeiJFqIPu/i9bVJ2cxO06+WpzIz+STW8djpN6x:k9K8mm0YmfXPSi9bDDy8XN6x

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/bot5344934242:AAF3rLeFDCGd-IVKJG_PU99MSQjdKyNgeR0/sendMessage?chat_id=1619136628

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#.

  • Detect Neshta payload 5 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • StormKitty

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

  • StormKitty payload 2 IoCs
  • Async RAT payload 1 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 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.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002B_4.exe
    "C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002B_4.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:112
    • C:\Users\Admin\AppData\Local\Temp\3582-490\LisectAVT_2403002B_4.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\LisectAVT_2403002B_4.exe"
      2⤵
      • Executes dropped EXE
      • 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:4512
      • 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:2044
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4956
        • 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:3008
        • C:\Windows\SysWOW64\findstr.exe
          findstr All
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2104
      • 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:1968
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1156
        • 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:1216

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

  • C:\Users\Admin\AppData\Local\Temp\3582-490\LisectAVT_2403002B_4.exe

    Filesize

    170KB

    MD5

    e29ab30e42348ecf2831928b7b95d5d8

    SHA1

    70ae302ae078326efbe444fd8158d2b104a06a69

    SHA256

    58b1013f511e61f2ddfb547939895ec161ab8bc03f5413529f85f1a3272d38d4

    SHA512

    34a3209dc0856ea0e4d0573eca4dd53b238ebb317f10cb84683d99c64c1264693390d42193fcbac190ce9d9e0a33c9f32de8c4a57e4d38ec267ad16ad5d3138d

  • C:\Users\Admin\AppData\Local\cd9c5f39ce3278e3f8f60747cdebaaca\msgid.dat

    Filesize

    5B

    MD5

    a46f11583fd90dc51b576a8c1c320d04

    SHA1

    ce8193a2eca0569ec6889516d1c6a2aa9a1b7395

    SHA256

    1680c257d7a040aa8cdef3364d86a4472f105a3d0f030344bf67bc069404a03e

    SHA512

    a11b7c92a7a6268d72a94b39d495f7699bbaa27c99c0d470d24b5b559f0acb046b279710c9d5042bcf739f0ed4a1fd3ac198b21f9401fecfebcbfca220a83c03

  • C:\Users\Admin\AppData\Local\f59afc59aa6e0ed373aa409bcea8a73c\Admin@QIVBHIQT_en-US\System\Process.txt

    Filesize

    4KB

    MD5

    fb358595b10186d89c50f67f15593678

    SHA1

    d6e3baa7ad1f71f6962db69557fa5297ba6dd6d8

    SHA256

    cdd2fce86021d32311cf462e32d1f898a92bdf92951d16f0bdacb137f9ed146e

    SHA512

    dbd6fbdfb5e95ae79301aa53a1bb4fdff6bef8751e3bb26b6e627e2e5377848e5889813fc4953cbe7a53e98c1e2261264881caf580485ea2e63c2e6362f44eb3

  • memory/112-291-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/112-289-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/112-256-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/112-181-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4512-251-0x00000000068A0000-0x0000000006E44000-memory.dmp

    Filesize

    5.6MB

  • memory/4512-250-0x0000000006250000-0x00000000062E2000-memory.dmp

    Filesize

    584KB

  • memory/4512-248-0x00000000737F0000-0x0000000073FA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4512-255-0x0000000006350000-0x000000000635A000-memory.dmp

    Filesize

    40KB

  • memory/4512-100-0x00000000056C0000-0x0000000005726000-memory.dmp

    Filesize

    408KB

  • memory/4512-257-0x00000000737FE000-0x00000000737FF000-memory.dmp

    Filesize

    4KB

  • memory/4512-14-0x00000000737F0000-0x0000000073FA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4512-263-0x00000000063A0000-0x00000000063B2000-memory.dmp

    Filesize

    72KB

  • memory/4512-286-0x00000000737F0000-0x0000000073FA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4512-13-0x0000000000D30000-0x0000000000D60000-memory.dmp

    Filesize

    192KB

  • memory/4512-12-0x00000000737FE000-0x00000000737FF000-memory.dmp

    Filesize

    4KB

  • memory/4512-292-0x00000000737F0000-0x0000000073FA0000-memory.dmp

    Filesize

    7.7MB