asyncrat | b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154

General

Target

b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
Size

175KB
MD5

94aab2572e95a3b461d7ba8e31469960
SHA1

7891fa42356d83496eeda19102e0a7105db19b85
SHA256

b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154
SHA512

c22454c88b772ef57d0075f912c98e21fd2b13b38a12fd2b5af4c538fb2670910a7c80c8f7cf7d32aa84cff1ce18ec820258621ad2558409e248f6922c307d60
SSDEEP

3072:Ye8p6ewdOIwQx76vK/bvTv0cU+lL/dMlZZUZ0b2gT1wARE+WpCc:M6ewwIwQJ6vKX0c5MlYZ0b2O

Score

10^/10

asyncrat stormkitty default discovery persistence phishing privilege_escalation rat spyware stealer

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/bot7628237356:AAH55BkKJR1tbXeHyRjNJLUas_rTNml9WUw/sendMessage?chat_id=7420289535

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#.
rat asyncrat
Asyncrat family
asyncrat
StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 1 IoCs

resource	yara_rule
behavioral2/memory/2416-1-0x0000000000DF0000-0x0000000000E22000-memory.dmp	family_stormkitty

Stormkitty family
stormkitty
A potential corporate email address has been identified in the URL: WorldWindProResultsDate2024121731133AMSystemWindows10Pro64BitUsernameAdminCompNameGYHASOLSLanguageenUSAntivirusNotinstalledHardwareCPU12thGenIntelRCoreTMi512400GPUMicrosoftBasicDisplayAdapterRAM16154MBHWIDUnknownPowerNoSystemBattery1Screen1280x720NetworkGatewayIP10.127.0.1InternalIP10.127.0.119ExternalIP181.215.176.83BSSID2ea76d080940DomainsinfoBankLogsNodataCryptoLogsNodataFreakyLogsNodataLogsBookmarks5SoftwareDeviceWindowsproductkeyDesktopscreenshotFileGrabberDatabasefiles6TelegramChannel@XSplinter
phishing
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Drops desktop.ini file(s) 7 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\f84b08a7374ddd2f57075ebb9c0b405b\Admin@GYHASOLS_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
File created	C:\Users\Admin\AppData\Local\f84b08a7374ddd2f57075ebb9c0b405b\Admin@GYHASOLS_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
File created	C:\Users\Admin\AppData\Local\f84b08a7374ddd2f57075ebb9c0b405b\Admin@GYHASOLS_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
File created	C:\Users\Admin\AppData\Local\f84b08a7374ddd2f57075ebb9c0b405b\Admin@GYHASOLS_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
File created	C:\Users\Admin\AppData\Local\f84b08a7374ddd2f57075ebb9c0b405b\Admin@GYHASOLS_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Camera Roll\desktop.ini	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
File created	C:\Users\Admin\AppData\Local\f84b08a7374ddd2f57075ebb9c0b405b\Admin@GYHASOLS_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Saved Pictures\desktop.ini	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
File created	C:\Users\Admin\AppData\Local\f84b08a7374ddd2f57075ebb9c0b405b\Admin@GYHASOLS_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe

Looks up external IP address via web service 1 IoCs

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

flow	ioc
17	icanhazip.com

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

Browser Information Discovery
T1217

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.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	findstr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe

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

Wi-Fi Discovery

T1016.002

pid	Process
4272	netsh.exe
2392	cmd.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 2392	2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe	83
PID 2416 wrote to memory of 2392	2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe	83
PID 2416 wrote to memory of 2392	2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe	83
PID 2392 wrote to memory of 4932	2392	cmd.exe	85
PID 2392 wrote to memory of 4932	2392	cmd.exe	85
PID 2392 wrote to memory of 4932	2392	cmd.exe	85
PID 2392 wrote to memory of 4272	2392	cmd.exe	86
PID 2392 wrote to memory of 4272	2392	cmd.exe	86
PID 2392 wrote to memory of 4272	2392	cmd.exe	86
PID 2392 wrote to memory of 1284	2392	cmd.exe	87
PID 2392 wrote to memory of 1284	2392	cmd.exe	87
PID 2392 wrote to memory of 1284	2392	cmd.exe	87
PID 2416 wrote to memory of 5024	2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe	88
PID 2416 wrote to memory of 5024	2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe	88
PID 2416 wrote to memory of 5024	2416	b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe	88
PID 5024 wrote to memory of 2028	5024	cmd.exe	90
PID 5024 wrote to memory of 2028	5024	cmd.exe	90
PID 5024 wrote to memory of 2028	5024	cmd.exe	90
PID 5024 wrote to memory of 1664	5024	cmd.exe	91
PID 5024 wrote to memory of 1664	5024	cmd.exe	91
PID 5024 wrote to memory of 1664	5024	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.exe
"C:\Users\Admin\AppData\Local\Temp\b0d971e42d6818273641302dc8e7834559ba53fb83a6b65f8a716a4dde3d0154N.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:2416
- 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:2392
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4932
- - 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:4272
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1284
- 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:5024
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2028
- - 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:1664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

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

Query Registry

System Information Discovery

1

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\73e664de3dcf9d4c2ac41070c40da89c\msgid.dat

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
C:\Users\Admin\AppData\Local\f84b08a7374ddd2f57075ebb9c0b405b\Admin@GYHASOLS_en-US\Browsers\Firefox\Bookmarks.txt

Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

Download Submit
C:\Users\Admin\AppData\Local\f84b08a7374ddd2f57075ebb9c0b405b\Admin@GYHASOLS_en-US\System\Process.txt

Filesize
4KB

MD5
e5a20e986a9d75a126cdc507bca5b492

SHA1
f6adfe980f89561d316c6e6fbb88cfce06c42581

SHA256
2e0c21f385988c8a8835e5a2555ca1184830c6fe82571bdcbdc7f4d33806a04e

SHA512
a5271e38d226418b649ffa6dda448aac7644907ded9c3e86b5047085e9f9d2670193e0c4671ae0a66832474f7195bb185cc40bf813e930c4fe07e855b4e019fc

Download Submit
memory/2416-142-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/2416-3-0x00000000058F0000-0x0000000005956000-memory.dmp

Filesize
408KB

Download
memory/2416-2-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/2416-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/2416-144-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/2416-145-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/2416-147-0x0000000006340000-0x00000000063D2000-memory.dmp

Filesize
584KB

Download
memory/2416-148-0x0000000006990000-0x0000000006F34000-memory.dmp

Filesize
5.6MB

Download
memory/2416-152-0x0000000006460000-0x000000000646A000-memory.dmp

Filesize
40KB

Download
memory/2416-1-0x0000000000DF0000-0x0000000000E22000-memory.dmp

Filesize
200KB

Download
memory/2416-158-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads