asyncrat | 68b32fe3170689eaca32c53ebddcc60f6ded63b25ff20cc550b7bdf716bc5c02

Analysis

max time kernel
599s
max time network
435s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-01-2025 20:19

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General

Target

Rdp Cracking tool @ virusbug1/KPortScan 3.0 @virusbug1/Kport scan Activator.exe
Size

170KB
MD5

3c281ce62da1597fced6efd977bb0a37
SHA1

c4c337871c159743cb105daaf7ff43e2667c4b07
SHA256

e7ccef1109892156439560eb77bfa374aafed372724f646c040003fc54d1de4e
SHA512

5b41802eec1a0e4ebf0e690923375e8a0f4ec5b17a61fb67386efb9bcf3fbd03a2f88794feac4a9a89279006ee39fa1fd42de456d5332cfe9111cae2c780b220
SSDEEP

3072:++STW8djpN6izj8mZwdJqutB+YDpqIPu/i9bVK2cbZoP6+Wp7:j8XN6W8mmHPtppXPSi9b4Q

Score

10^/10

asyncrat stormkitty default discovery persistence privilege_escalation rat spyware stealer

Malware Config

Extracted

Family

asyncrat

Botnet

Default

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

https://api.telegram.org/bot6006276473:AAEypRbqeWzZbeRTuV80WT3BeM7SOhM1n1E/sendMessage?chat_id=2045667165

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
behavioral6/memory/2068-1-0x0000000000B60000-0x0000000000B90000-memory.dmp	family_stormkitty

Stormkitty family
stormkitty
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\8c9ce0210fdcf97a3292540f7551c53d\Admin@YLFOGIOE_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Saved Pictures\desktop.ini	Kport scan Activator.exe
File created	C:\Users\Admin\AppData\Local\8c9ce0210fdcf97a3292540f7551c53d\Admin@YLFOGIOE_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	Kport scan Activator.exe
File opened for modification	C:\Users\Admin\AppData\Local\8c9ce0210fdcf97a3292540f7551c53d\Admin@YLFOGIOE_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	Kport scan Activator.exe
File created	C:\Users\Admin\AppData\Local\8c9ce0210fdcf97a3292540f7551c53d\Admin@YLFOGIOE_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini	Kport scan Activator.exe
File opened for modification	C:\Users\Admin\AppData\Local\8c9ce0210fdcf97a3292540f7551c53d\Admin@YLFOGIOE_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini	Kport scan Activator.exe
File created	C:\Users\Admin\AppData\Local\8c9ce0210fdcf97a3292540f7551c53d\Admin@YLFOGIOE_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	Kport scan Activator.exe
File created	C:\Users\Admin\AppData\Local\8c9ce0210fdcf97a3292540f7551c53d\Admin@YLFOGIOE_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini	Kport scan Activator.exe
File created	C:\Users\Admin\AppData\Local\8c9ce0210fdcf97a3292540f7551c53d\Admin@YLFOGIOE_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Camera Roll\desktop.ini	Kport scan Activator.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
18	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	Kport scan Activator.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
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

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
3876	cmd.exe
4476	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 opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	Kport scan Activator.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	Kport scan Activator.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
2068	Kport scan Activator.exe
2068	Kport scan Activator.exe
2068	Kport scan Activator.exe
2068	Kport scan Activator.exe
2068	Kport scan Activator.exe
2068	Kport scan Activator.exe
2068	Kport scan Activator.exe
2068	Kport scan Activator.exe
2068	Kport scan Activator.exe
2068	Kport scan Activator.exe
2068	Kport scan Activator.exe
2068	Kport scan Activator.exe
2068	Kport scan Activator.exe
2068	Kport scan Activator.exe
2068	Kport scan Activator.exe
2068	Kport scan Activator.exe
2068	Kport scan Activator.exe
2068	Kport scan Activator.exe
2068	Kport scan Activator.exe
2068	Kport scan Activator.exe
2068	Kport scan Activator.exe
2068	Kport scan Activator.exe
2068	Kport scan Activator.exe
2068	Kport scan Activator.exe
2068	Kport scan Activator.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2068	Kport scan Activator.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 3876	2068	Kport scan Activator.exe	97
PID 2068 wrote to memory of 3876	2068	Kport scan Activator.exe	97
PID 2068 wrote to memory of 3876	2068	Kport scan Activator.exe	97
PID 3876 wrote to memory of 2476	3876	cmd.exe	99
PID 3876 wrote to memory of 2476	3876	cmd.exe	99
PID 3876 wrote to memory of 2476	3876	cmd.exe	99
PID 3876 wrote to memory of 4476	3876	cmd.exe	100
PID 3876 wrote to memory of 4476	3876	cmd.exe	100
PID 3876 wrote to memory of 4476	3876	cmd.exe	100
PID 3876 wrote to memory of 4260	3876	cmd.exe	101
PID 3876 wrote to memory of 4260	3876	cmd.exe	101
PID 3876 wrote to memory of 4260	3876	cmd.exe	101
PID 2068 wrote to memory of 5044	2068	Kport scan Activator.exe	102
PID 2068 wrote to memory of 5044	2068	Kport scan Activator.exe	102
PID 2068 wrote to memory of 5044	2068	Kport scan Activator.exe	102
PID 5044 wrote to memory of 632	5044	cmd.exe	104
PID 5044 wrote to memory of 632	5044	cmd.exe	104
PID 5044 wrote to memory of 632	5044	cmd.exe	104
PID 5044 wrote to memory of 4792	5044	cmd.exe	105
PID 5044 wrote to memory of 4792	5044	cmd.exe	105
PID 5044 wrote to memory of 4792	5044	cmd.exe	105

C:\Users\Admin\AppData\Local\Temp\Rdp Cracking tool @ virusbug1\KPortScan 3.0 @virusbug1\Kport scan Activator.exe
"C:\Users\Admin\AppData\Local\Temp\Rdp Cracking tool @ virusbug1\KPortScan 3.0 @virusbug1\Kport scan Activator.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:2068
- 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:3876
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2476
- - 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:4476
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4260
- 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:5044
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:632
- - 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:4792

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Wi-Fi Discovery

T1016.002

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\838ea72675ef7897f1b2b53e3f77c399\msgid.dat

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
C:\Users\Admin\AppData\Local\8c9ce0210fdcf97a3292540f7551c53d\Admin@YLFOGIOE_en-US\Browsers\Firefox\Bookmarks.txt

Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

Download Submit
C:\Users\Admin\AppData\Local\8c9ce0210fdcf97a3292540f7551c53d\Admin@YLFOGIOE_en-US\System\Process.txt

Filesize
4KB

MD5
b766c45ab11f269581b4904aa46c83d8

SHA1
5d8e951cc074af581660a5b19f6b2a598c68fba8

SHA256
3e9bafa6e555a29be1779879aed4474d719708aeb1ee2daf6ae179c0ad3110b1

SHA512
07928ad1c7a1be7c64a682a2fd320f207d7e079e309daaf03a95618935b234de3ebea0989a8cc4b21250c50d1ba24290c7b66fe4fb6013a8ba6c0f9a985e8fd1

Download Submit
memory/2068-3-0x0000000005540000-0x00000000055A6000-memory.dmp

Filesize
408KB

Download
memory/2068-0-0x0000000074D6E000-0x0000000074D6F000-memory.dmp

Filesize
4KB

Download
memory/2068-109-0x0000000074D6E000-0x0000000074D6F000-memory.dmp

Filesize
4KB

Download
memory/2068-2-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/2068-132-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/2068-148-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/2068-150-0x0000000006070000-0x0000000006102000-memory.dmp

Filesize
584KB

Download
memory/2068-151-0x00000000066C0000-0x0000000006C64000-memory.dmp

Filesize
5.6MB

Download
memory/2068-155-0x0000000006180000-0x000000000618A000-memory.dmp

Filesize
40KB

Download
memory/2068-1-0x0000000000B60000-0x0000000000B90000-memory.dmp

Filesize
192KB

Download
memory/2068-161-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download