asyncrat | 17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411e

General

Target

17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
Size

170KB
MD5

236d3fc78c734bbc2f6e99e366083dc0
SHA1

ac105cc15e018a99d82121a11852484b72d9e450
SHA256

17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411e
SHA512

1db08c95c35e1279892c2c9a24b6387cb0e7775885156fa6bc6ce32655620566bf4c4470cc8538f896badd18df0ccf2f6d14f9d91430728298a9b4085351cc19
SSDEEP

3072:S+STW8djpN6izj8mZwOI03cMErxe2SlkIPu/i9bSJ2c1ac6+WpP:P8XN6W8mmOI03c7ylJPSi9b6X

Score

10^/10

asyncrat stormkitty default discovery persistence 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/bot6679282300:AAGbOMigj8BL4XN9ZHdgg5mtGSlrkMuWBnE/sendMessage?chat_id=6348227332

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/2732-1-0x0000000000B40000-0x0000000000B70000-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\85d567cc101f1614b9f6f61cf73f747c\Admin@GUMLNLFE_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
File created	C:\Users\Admin\AppData\Local\85d567cc101f1614b9f6f61cf73f747c\Admin@GUMLNLFE_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Camera Roll\desktop.ini	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
File created	C:\Users\Admin\AppData\Local\85d567cc101f1614b9f6f61cf73f747c\Admin@GUMLNLFE_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Saved Pictures\desktop.ini	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
File created	C:\Users\Admin\AppData\Local\85d567cc101f1614b9f6f61cf73f747c\Admin@GUMLNLFE_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
File opened for modification	C:\Users\Admin\AppData\Local\85d567cc101f1614b9f6f61cf73f747c\Admin@GUMLNLFE_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
File created	C:\Users\Admin\AppData\Local\85d567cc101f1614b9f6f61cf73f747c\Admin@GUMLNLFE_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
File opened for modification	C:\Users\Admin\AppData\Local\85d567cc101f1614b9f6f61cf73f747c\Admin@GUMLNLFE_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
File created	C:\Users\Admin\AppData\Local\85d567cc101f1614b9f6f61cf73f747c\Admin@GUMLNLFE_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.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 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	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.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
2988	netsh.exe
4948	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 opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 4948	2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe	90
PID 2732 wrote to memory of 4948	2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe	90
PID 2732 wrote to memory of 4948	2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe	90
PID 4948 wrote to memory of 5012	4948	cmd.exe	92
PID 4948 wrote to memory of 5012	4948	cmd.exe	92
PID 4948 wrote to memory of 5012	4948	cmd.exe	92
PID 4948 wrote to memory of 2988	4948	cmd.exe	93
PID 4948 wrote to memory of 2988	4948	cmd.exe	93
PID 4948 wrote to memory of 2988	4948	cmd.exe	93
PID 4948 wrote to memory of 832	4948	cmd.exe	94
PID 4948 wrote to memory of 832	4948	cmd.exe	94
PID 4948 wrote to memory of 832	4948	cmd.exe	94
PID 2732 wrote to memory of 3700	2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe	97
PID 2732 wrote to memory of 3700	2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe	97
PID 2732 wrote to memory of 3700	2732	17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe	97
PID 3700 wrote to memory of 4632	3700	cmd.exe	99
PID 3700 wrote to memory of 4632	3700	cmd.exe	99
PID 3700 wrote to memory of 4632	3700	cmd.exe	99
PID 3700 wrote to memory of 2348	3700	cmd.exe	100
PID 3700 wrote to memory of 2348	3700	cmd.exe	100
PID 3700 wrote to memory of 2348	3700	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.exe
"C:\Users\Admin\AppData\Local\Temp\17547e81212d54897a4060e58d4575b270565da3220bb59b5ca90673253c411eN.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:2732
- 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:4948
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5012
- - 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:2988
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    - System Location Discovery: System Language Discovery
    PID:832
- 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:3700
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4632
- - 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:2348

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

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Downloads

C:\Users\Admin\AppData\Local\85d567cc101f1614b9f6f61cf73f747c\Admin@GUMLNLFE_en-US\Browsers\Firefox\Bookmarks.txt

Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

Download Submit
C:\Users\Admin\AppData\Local\85d567cc101f1614b9f6f61cf73f747c\Admin@GUMLNLFE_en-US\System\Process.txt

Filesize
4KB

MD5
49a5a1b6cb85047a22ee610b627f7b7b

SHA1
0121dc8a52d6c0f557876f14daad77153fc990da

SHA256
2ec6a7cd669a214763bd9b62907def97a62d1564391cfe1b57b6a608e3f6e24b

SHA512
5b9bd87284bddca33a033152a6ad4409a7b173dcf45bc0e47a5810f280a956c770b20118948fb142c70e448237e8d56c3dfb7f2044ed894daeca375818a78980

Download Submit
C:\Users\Admin\AppData\Local\d1defe483b07bf8b05fc9fb7afc11d31\msgid.dat

Filesize
4B

MD5
07cb5f86508f146774a2fac4373a8e50

SHA1
7e1fa886217d76d01525f11d1c4fdb7f8def82dd

SHA256
5fc81d2cb64968db6cae7122a7f003afa088268a703db44297e4ccf63848b023

SHA512
99fa971d8bb39dc99633b0276049c2181eb6a5574dd5c28071f4036dad9e4986c8abe7e4cf7e8ee080247dbf27510e67e3ff39c5522ed0040e0a16f83137372f

Download Submit
memory/2732-135-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/2732-3-0x00000000053D0000-0x0000000005436000-memory.dmp

Filesize
408KB

Download
memory/2732-2-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/2732-0-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/2732-146-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/2732-148-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/2732-149-0x0000000005F50000-0x0000000005FE2000-memory.dmp

Filesize
584KB

Download
memory/2732-150-0x00000000065A0000-0x0000000006B44000-memory.dmp

Filesize
5.6MB

Download
memory/2732-154-0x0000000006060000-0x000000000606A000-memory.dmp

Filesize
40KB

Download
memory/2732-1-0x0000000000B40000-0x0000000000B70000-memory.dmp

Filesize
192KB

Download
memory/2732-160-0x0000000006F10000-0x0000000006F22000-memory.dmp

Filesize
72KB

Download
memory/2732-185-0x0000000074790000-0x0000000074F40000-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