asyncrat | 596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd

General

Target

596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
Size

175KB
MD5

b5efc1ad3ee55805cbc988836d11f425
SHA1

557831f0b3d0eb3831577012f510bead6a4a5a86
SHA256

596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd
SHA512

8c65fff32ef735cf497cee1a2e221391bf9580c8b21a6d48999a81f7ffbe51f8b641f0337f917a190876080a7341766f51b0dd5df4b28156a1d752918002dba3
SSDEEP

3072:Re8p6ewdOIwQx76vK/bvTv0cU+lL/dMlZZUZ0b2gTMwARE+WpCc:N6ewwIwQJ6vKX0c5MlYZ0b2l

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/bot7829358600:AAF97DhlqJXtfqQH1HgTlToqGZwfPZ8KLwg/sendMessage?chat_id=7538374929

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/2872-1-0x0000000000930000-0x0000000000962000-memory.dmp	family_stormkitty

Stormkitty family
stormkitty
A potential corporate email address has been identified in the URL: WorldWindProResultsDate2025010470326PMSystemWindows10Pro64BitUsernameAdminCompNameYQRLKYONLanguageenUSAntivirusNotinstalledHardwareCPU12thGenIntelRCoreTMi512400GPUMicrosoftBasicDisplayAdapterRAM16154MBHWIDUnknownPowerNoSystemBattery1Screen1280x720NetworkGatewayIP10.127.0.1InternalIP10.127.0.119ExternalIP181.215.176.83BSSID82aadc9a9a17DomainsinfoBankLogsNodataCryptoLogsNodataFreakyLogsNodataLogsBookmarks5SoftwareDeviceWindowsproductkeyDesktopscreenshotFileGrabberDatabasefiles6TelegramChannel@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) 8 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\e2745604ba35f1f2c194cf2fad9269a1\Admin@YQRLKYON_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
File created	C:\Users\Admin\AppData\Local\e2745604ba35f1f2c194cf2fad9269a1\Admin@YQRLKYON_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
File opened for modification	C:\Users\Admin\AppData\Local\e2745604ba35f1f2c194cf2fad9269a1\Admin@YQRLKYON_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
File opened for modification	C:\Users\Admin\AppData\Local\e2745604ba35f1f2c194cf2fad9269a1\Admin@YQRLKYON_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
File created	C:\Users\Admin\AppData\Local\e2745604ba35f1f2c194cf2fad9269a1\Admin@YQRLKYON_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
File created	C:\Users\Admin\AppData\Local\e2745604ba35f1f2c194cf2fad9269a1\Admin@YQRLKYON_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
File created	C:\Users\Admin\AppData\Local\e2745604ba35f1f2c194cf2fad9269a1\Admin@YQRLKYON_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Camera Roll\desktop.ini	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
File created	C:\Users\Admin\AppData\Local\e2745604ba35f1f2c194cf2fad9269a1\Admin@YQRLKYON_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Saved Pictures\desktop.ini	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
27	pastebin.com
28	pastebin.com

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 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
Key value enumerated	\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	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	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.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	findstr.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
3308	cmd.exe
1096	netsh.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	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 3308	2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe	89
PID 2872 wrote to memory of 3308	2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe	89
PID 2872 wrote to memory of 3308	2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe	89
PID 3308 wrote to memory of 3752	3308	cmd.exe	91
PID 3308 wrote to memory of 3752	3308	cmd.exe	91
PID 3308 wrote to memory of 3752	3308	cmd.exe	91
PID 3308 wrote to memory of 1096	3308	cmd.exe	92
PID 3308 wrote to memory of 1096	3308	cmd.exe	92
PID 3308 wrote to memory of 1096	3308	cmd.exe	92
PID 3308 wrote to memory of 4560	3308	cmd.exe	93
PID 3308 wrote to memory of 4560	3308	cmd.exe	93
PID 3308 wrote to memory of 4560	3308	cmd.exe	93
PID 2872 wrote to memory of 3892	2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe	94
PID 2872 wrote to memory of 3892	2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe	94
PID 2872 wrote to memory of 3892	2872	596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe	94
PID 3892 wrote to memory of 2248	3892	cmd.exe	96
PID 3892 wrote to memory of 2248	3892	cmd.exe	96
PID 3892 wrote to memory of 2248	3892	cmd.exe	96
PID 3892 wrote to memory of 2040	3892	cmd.exe	97
PID 3892 wrote to memory of 2040	3892	cmd.exe	97
PID 3892 wrote to memory of 2040	3892	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.exe
"C:\Users\Admin\AppData\Local\Temp\596da48ad04336a65137ab69c3fca6f0fe464570f4f233a93e08219c77f33cdd.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:2872
- 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:3308
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3752
- - 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:1096
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4560
- 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:3892
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2248
- - 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:2040

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

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\7878fc539e5ad25c8558ad228f875da2\msgid.dat

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
C:\Users\Admin\AppData\Local\e2745604ba35f1f2c194cf2fad9269a1\Admin@YQRLKYON_en-US\Browsers\Firefox\Bookmarks.txt

Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

Download Submit
C:\Users\Admin\AppData\Local\e2745604ba35f1f2c194cf2fad9269a1\Admin@YQRLKYON_en-US\System\Process.txt

Filesize
4KB

MD5
119d4ee5c6d665fb10a18f44f30b9b78

SHA1
44c577da1a57e964385a2b07ebd6ac38a5ce5fbe

SHA256
3fd0d766efc0c05c8ac49f926eb4357f587226b6a76fbdcd80a351728cc29c85

SHA512
cc4964a6e8a03b29ca5869efd20b04d3e7acf7bd4349cd879a2ccbece37c040a3fb4458eceb1f47ff3df3d5e6c35ab4a3c6970a2e4be5fca5fb3220101951243

Download Submit
memory/2872-3-0x0000000005440000-0x00000000054A6000-memory.dmp

Filesize
408KB

Download
memory/2872-0-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

Filesize
4KB

Download
memory/2872-127-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

Filesize
4KB

Download
memory/2872-2-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/2872-148-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/2872-149-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/2872-151-0x0000000005E80000-0x0000000005F12000-memory.dmp

Filesize
584KB

Download
memory/2872-152-0x00000000064D0000-0x0000000006A74000-memory.dmp

Filesize
5.6MB

Download
memory/2872-156-0x0000000005FB0000-0x0000000005FBA000-memory.dmp

Filesize
40KB

Download
memory/2872-1-0x0000000000930000-0x0000000000962000-memory.dmp

Filesize
200KB

Download
memory/2872-162-0x0000000006040000-0x0000000006052000-memory.dmp

Filesize
72KB

Download
memory/2872-185-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads