Overview

overview

10

Static

static

10

a43d0af6d5...43.exe

windows7-x64

10

a43d0af6d5...43.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    59s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-01-2025 19:06

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General

  • Target

    a43d0af6d5d0ec78f6f9be2f5ee6acc80d3b3244a85c2a15ead0ca32f7e9fe43.exe

  • Size

    232KB

  • MD5

    dc72ad72d4a83486477121eb6679ce77

  • SHA1

    155d45d74ad3c17fc8186584c1d20fa0f8ef80e6

  • SHA256

    a43d0af6d5d0ec78f6f9be2f5ee6acc80d3b3244a85c2a15ead0ca32f7e9fe43

  • SHA512

    a77e0f65fdc93b07119e34265391886e095108349bdbab0440feb2ed49b3aef504337a9aab525b2265da488b3bbc5e46772c8a3da69547487b2da9000231b4ca

  • SSDEEP

    6144:rDubaBBOBIIj6HLLYLCYJqvc1DiFGPNv67EA7bYiiRGbNGfA:ebaMUbHiRcNq

Score
10/10
asyncratstormkittydefaultdiscoverypersistenceprivilege_escalationratspywarestealer

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/bot7549728726:AAHzXc-gyGOx-FQMI8AFOLjShmKqbPw-tWU/sendMessage?chat_id=6759888267
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#.

    ratasyncrat
  • Asyncrat family
    asyncrat
  • StormKitty

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

    stealerstormkitty
  • StormKitty payload 1 IoCs
  • Stormkitty family
    stormkitty
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Drops desktop.ini file(s) 7 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.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

    discovery
  • 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.

    persistenceprivilege_escalation
  • 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.

    discovery
  • 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.

    discovery
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • 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 36 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a43d0af6d5d0ec78f6f9be2f5ee6acc80d3b3244a85c2a15ead0ca32f7e9fe43.exe
    "C:\Users\Admin\AppData\Local\Temp\a43d0af6d5d0ec78f6f9be2f5ee6acc80d3b3244a85c2a15ead0ca32f7e9fe43.exe"
    1⤵
    • 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:592
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Wi-Fi Discovery
      • Suspicious use of WriteProcessMemory
      PID:1192
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1948
      • C:\Windows\SysWOW64\netsh.exe
        netsh wlan show profile
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Wi-Fi Discovery
        PID:1996
      • C:\Windows\SysWOW64\findstr.exe
        findstr All
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1348
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1588
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1808
      • C:\Windows\SysWOW64\netsh.exe
        netsh wlan show networks mode=bssid
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:1800
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\Users\Admin\AppData\Local\Temp\a43d0af6d5d0ec78f6f9be2f5ee6acc80d3b3244a85c2a15ead0ca32f7e9fe43.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1316

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Browser Information Discovery

1
T1217

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Wi-Fi Discovery

1
T1016.002

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\9b9ee9dd04458a34fd24efcc9cbe5a28\Admin@CCJBVTGQ_en-US\Browsers\Firefox\Bookmarks.txt
    Filesize

    105B

    MD5

    2e9d094dda5cdc3ce6519f75943a4ff4

    SHA1

    5d989b4ac8b699781681fe75ed9ef98191a5096c

    SHA256

    c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

    SHA512

    d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

    Download Submit

  • C:\Users\Admin\AppData\Local\9b9ee9dd04458a34fd24efcc9cbe5a28\msgid.dat
    Filesize

    1B

    MD5

    cfcd208495d565ef66e7dff9f98764da

    SHA1

    b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

    SHA256

    5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

    SHA512

    31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

    Download Submit

  • memory/592-0-0x00000000740BE000-0x00000000740BF000-memory.dmp

    Filesize

    4KB

    Download

  • memory/592-1-0x00000000003C0000-0x0000000000400000-memory.dmp

    Filesize

    256KB

    Download

  • memory/592-2-0x00000000740B0000-0x000000007479E000-memory.dmp

    Filesize

    6.9MB

    Download

  • memory/592-72-0x00000000740B0000-0x000000007479E000-memory.dmp

    Filesize

    6.9MB

    Download

  • memory/592-76-0x00000000740BE000-0x00000000740BF000-memory.dmp

    Filesize

    4KB

    Download

  • memory/592-77-0x00000000740B0000-0x000000007479E000-memory.dmp

    Filesize

    6.9MB

    Download

  • memory/592-83-0x00000000740B0000-0x000000007479E000-memory.dmp

    Filesize

    6.9MB

    Download