asyncrat | 99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733

General

Target

99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
Size

170KB
MD5

efbe77e5aaf51ee1be7a02d2d55f6171
SHA1

5e88c3031a53715b82a66165d192551226c3de7f
SHA256

99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733
SHA512

8ba2f5c72e40249f73dc092054b118c9d3faf98978a5aac06662869ef4ed5f2b974759cf1bee2155d40e15bc647e2499c621a0915f6a79b07c640bff76e2d2db
SSDEEP

3072:O+STW8djpN6izj8mZwkYXvYUCEqIPu/i9bsJ2cjJI6+WpL:z8XN6W8mmBn5XPSi9boD

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/bot7948363538:AAGPxAvOVmzz8x-5s0mHYlUprnmFgCHGEyo/sendMessage?chat_id=2115574643

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/4152-1-0x0000000000DF0000-0x0000000000E20000-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) 7 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\ac6abeb041b998a07385a913dcbdc13b\Admin@ZTSLLRFH_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
File created	C:\Users\Admin\AppData\Local\ac6abeb041b998a07385a913dcbdc13b\Admin@ZTSLLRFH_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
File created	C:\Users\Admin\AppData\Local\ac6abeb041b998a07385a913dcbdc13b\Admin@ZTSLLRFH_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
File created	C:\Users\Admin\AppData\Local\ac6abeb041b998a07385a913dcbdc13b\Admin@ZTSLLRFH_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Camera Roll\desktop.ini	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
File created	C:\Users\Admin\AppData\Local\ac6abeb041b998a07385a913dcbdc13b\Admin@ZTSLLRFH_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Saved Pictures\desktop.ini	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
File created	C:\Users\Admin\AppData\Local\ac6abeb041b998a07385a913dcbdc13b\Admin@ZTSLLRFH_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
File opened for modification	C:\Users\Admin\AppData\Local\ac6abeb041b998a07385a913dcbdc13b\Admin@ZTSLLRFH_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.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
20	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	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.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

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
2780	netsh.exe
2936	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	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

pid	Process
4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4152 wrote to memory of 2936	4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe	92
PID 4152 wrote to memory of 2936	4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe	92
PID 4152 wrote to memory of 2936	4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe	92
PID 2936 wrote to memory of 832	2936	cmd.exe	94
PID 2936 wrote to memory of 832	2936	cmd.exe	94
PID 2936 wrote to memory of 832	2936	cmd.exe	94
PID 2936 wrote to memory of 2780	2936	cmd.exe	95
PID 2936 wrote to memory of 2780	2936	cmd.exe	95
PID 2936 wrote to memory of 2780	2936	cmd.exe	95
PID 2936 wrote to memory of 3104	2936	cmd.exe	96
PID 2936 wrote to memory of 3104	2936	cmd.exe	96
PID 2936 wrote to memory of 3104	2936	cmd.exe	96
PID 4152 wrote to memory of 3176	4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe	97
PID 4152 wrote to memory of 3176	4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe	97
PID 4152 wrote to memory of 3176	4152	99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe	97
PID 3176 wrote to memory of 2964	3176	cmd.exe	99
PID 3176 wrote to memory of 2964	3176	cmd.exe	99
PID 3176 wrote to memory of 2964	3176	cmd.exe	99
PID 3176 wrote to memory of 2184	3176	cmd.exe	100
PID 3176 wrote to memory of 2184	3176	cmd.exe	100
PID 3176 wrote to memory of 2184	3176	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe
C:\Users\Admin\AppData\Local\Temp\99d2c277b2dd65cd1dd8c954501043a2ec5891d339b7b8ddfad373841d9a9733.exe cmd /c %SIGILL% "SIGTERM|DELETE|SIGKILL"
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:4152
- 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:2936
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:832
- - 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:2780
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3104
- 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:3176
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2964
- - 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:2184

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\07954f0b235ca051837663776b5921d2\msgid.dat

Filesize
3B

MD5
1aa48fc4880bb0c9b8a3bf979d3b917e

SHA1
9d00089c4194a6c21c2d95f432a2777dac29d24e

SHA256
9f006addc898a6458ff29db72de90b27e29302c92b9c73e33515df56290bd855

SHA512
bfd2b6d748f43ecbf022c2419056125e715f134c3715b3721842d9599ce5fe44788de402e13fa14b207609bc2e8c800dedb40207243a54ab25d6306640e7a7af

Download Submit
C:\Users\Admin\AppData\Local\ac6abeb041b998a07385a913dcbdc13b\Admin@ZTSLLRFH_en-US\Browsers\Firefox\Bookmarks.txt

Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

Download Submit
C:\Users\Admin\AppData\Local\ac6abeb041b998a07385a913dcbdc13b\Admin@ZTSLLRFH_en-US\System\Process.txt

Filesize
4KB

MD5
9010db9a466922e0a373969140f407dd

SHA1
8ae90d3067f383b68b69bf7934118a5de409e63a

SHA256
b223bf39d114161a687e196d1daee0c408217a92dff742c94ea22ca54bc03ffd

SHA512
627a391de2c5823b53b10ce987e79bd21156f7cb70ed4108f17b21c684377ac5e41c5651a62a9d99cfcfee6719533463b63c9622f5e84f58c2eb9eb7fe21a72a

Download Submit
memory/4152-129-0x0000000075320000-0x0000000075AD0000-memory.dmp

Filesize
7.7MB

Download
memory/4152-3-0x0000000005920000-0x0000000005986000-memory.dmp

Filesize
408KB

Download
memory/4152-106-0x000000007532E000-0x000000007532F000-memory.dmp

Filesize
4KB

Download
memory/4152-0-0x000000007532E000-0x000000007532F000-memory.dmp

Filesize
4KB

Download
memory/4152-2-0x0000000075320000-0x0000000075AD0000-memory.dmp

Filesize
7.7MB

Download
memory/4152-149-0x0000000075320000-0x0000000075AD0000-memory.dmp

Filesize
7.7MB

Download
memory/4152-151-0x0000000006330000-0x00000000063C2000-memory.dmp

Filesize
584KB

Download
memory/4152-152-0x0000000006980000-0x0000000006F24000-memory.dmp

Filesize
5.6MB

Download
memory/4152-156-0x0000000006570000-0x000000000657A000-memory.dmp

Filesize
40KB

Download
memory/4152-1-0x0000000000DF0000-0x0000000000E20000-memory.dmp

Filesize
192KB

Download
memory/4152-162-0x0000000007210000-0x0000000007222000-memory.dmp

Filesize
72KB

Download
memory/4152-187-0x0000000075320000-0x0000000075AD0000-memory.dmp

Filesize
7.7MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads