asyncrat | d86c55ca0d9ab94d9e4e67a7781e933e940d41dd9c8e793272a4eb86548fb012

General

Target

License Activator Brute Cams.exe
Size

2.1MB
MD5

58acdc2f6ce279ffae7f09e73159f2fa
SHA1

2f4f864e499cadefef4cef6dcb999d2a74184e08
SHA256

d86c55ca0d9ab94d9e4e67a7781e933e940d41dd9c8e793272a4eb86548fb012
SHA512

6cb9144a84a72bff80bf7ea8a35487807ab55f99ae25ec3e684b5626cf8af209b341495cd091cfbbe1976d92621938ed2558c9213bdcb5282140ff66b2c6d03a
SSDEEP

49152:jhj9o/Ac0XrZdl2xeC2cZZcbythCBERaO2vun0jihwPH:jToxijC9ZZiy7zUO2vk0jiSPH

Score

10^/10

asyncrat stormkitty default credential_access 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/bot7181778686:AAEMnbtaOsmS5ffJlFMYeA9BDuB8mvZ6F8U/sendMessage?chat_id=6528052400

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
StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\Activator Svs.exe	family_stormkitty
behavioral1/memory/3064-13-0x0000000000A70000-0x0000000000AB0000-memory.dmp	family_stormkitty

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\Activator Svs.exe	family_asyncrat

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Executes dropped EXE 2 IoCs

Processes:

Activator Svs.exehfs.exe

pid process

3064 Activator Svs.exe
2336 hfs.exe
Reads user/profile data of web browsers 2 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

pid	process
3064	Activator Svs.exe
2336	hfs.exe

Drops desktop.ini file(s) 6 IoCs

Processes:

Activator Svs.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\5cb80b5e9fd143d1ecd2aac219809741\Admin@RPXOCQRF_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	Activator Svs.exe
File opened for modification	C:\Users\Admin\AppData\Local\5cb80b5e9fd143d1ecd2aac219809741\Admin@RPXOCQRF_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	Activator Svs.exe
File created	C:\Users\Admin\AppData\Local\5cb80b5e9fd143d1ecd2aac219809741\Admin@RPXOCQRF_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	Activator Svs.exe
File opened for modification	C:\Users\Admin\AppData\Local\5cb80b5e9fd143d1ecd2aac219809741\Admin@RPXOCQRF_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	Activator Svs.exe
File created	C:\Users\Admin\AppData\Local\5cb80b5e9fd143d1ecd2aac219809741\Admin@RPXOCQRF_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini	Activator Svs.exe
File created	C:\Users\Admin\AppData\Local\5cb80b5e9fd143d1ecd2aac219809741\Admin@RPXOCQRF_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini	Activator Svs.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.

Processes:

flow ioc

4 icanhazip.com
Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

flow	ioc
4	icanhazip.com

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

Processes:

netsh.exenetsh.exe

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 9 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

Processes:

netsh.exeActivator Svs.exefindstr.exechcp.comnetsh.execmd.exehfs.execmd.exechcp.com

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Activator Svs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	findstr.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hfs.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

Processes:

cmd.exenetsh.exe

pid process

2144 cmd.exe
2012 netsh.exe

pid	process
2144	cmd.exe
2012	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

Processes:

Activator Svs.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	Activator Svs.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	Activator Svs.exe

Modifies registry class 16 IoCs

Processes:

hfs.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\Add to HFS\command	hfs.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.vfs\shell\Open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\hfs.exe\" \"%1\""	hfs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\*	hfs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shell\Add to HFS	hfs.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\Add to HFS\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\hfs.exe\" \"%1\""	hfs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shell	hfs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder	hfs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell	hfs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.vfs	hfs.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.vfs\ = "HFS file system"	hfs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.vfs\shell\Open\command	hfs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.vfs\shell	hfs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.vfs\shell\Open	hfs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shell\Add to HFS\command	hfs.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shell\Add to HFS\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\hfs.exe\" \"%1\""	hfs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\Add to HFS	hfs.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

Activator Svs.exe

pid process

3064 Activator Svs.exe
3064 Activator Svs.exe
3064 Activator Svs.exe
3064 Activator Svs.exe
3064 Activator Svs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Activator Svs.exe

description pid process

Token: SeDebugPrivilege 3064 Activator Svs.exe

pid	process
3064	Activator Svs.exe
3064	Activator Svs.exe
3064	Activator Svs.exe
3064	Activator Svs.exe
3064	Activator Svs.exe

description	pid	process
Token: SeDebugPrivilege	3064	Activator Svs.exe

Suspicious use of FindShellTrayWindow 64 IoCs

Processes:

hfs.exe

pid	process
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe
2336	hfs.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

License Activator Brute Cams.exeActivator Svs.execmd.execmd.exe

description	pid	process	target process
PID 1732 wrote to memory of 3064	1732	License Activator Brute Cams.exe	Activator Svs.exe
PID 1732 wrote to memory of 3064	1732	License Activator Brute Cams.exe	Activator Svs.exe
PID 1732 wrote to memory of 3064	1732	License Activator Brute Cams.exe	Activator Svs.exe
PID 1732 wrote to memory of 3064	1732	License Activator Brute Cams.exe	Activator Svs.exe
PID 1732 wrote to memory of 2336	1732	License Activator Brute Cams.exe	hfs.exe
PID 1732 wrote to memory of 2336	1732	License Activator Brute Cams.exe	hfs.exe
PID 1732 wrote to memory of 2336	1732	License Activator Brute Cams.exe	hfs.exe
PID 1732 wrote to memory of 2336	1732	License Activator Brute Cams.exe	hfs.exe
PID 3064 wrote to memory of 2144	3064	Activator Svs.exe	cmd.exe
PID 3064 wrote to memory of 2144	3064	Activator Svs.exe	cmd.exe
PID 3064 wrote to memory of 2144	3064	Activator Svs.exe	cmd.exe
PID 3064 wrote to memory of 2144	3064	Activator Svs.exe	cmd.exe
PID 2144 wrote to memory of 1976	2144	cmd.exe	chcp.com
PID 2144 wrote to memory of 1976	2144	cmd.exe	chcp.com
PID 2144 wrote to memory of 1976	2144	cmd.exe	chcp.com
PID 2144 wrote to memory of 1976	2144	cmd.exe	chcp.com
PID 2144 wrote to memory of 2012	2144	cmd.exe	netsh.exe
PID 2144 wrote to memory of 2012	2144	cmd.exe	netsh.exe
PID 2144 wrote to memory of 2012	2144	cmd.exe	netsh.exe
PID 2144 wrote to memory of 2012	2144	cmd.exe	netsh.exe
PID 2144 wrote to memory of 2556	2144	cmd.exe	findstr.exe
PID 2144 wrote to memory of 2556	2144	cmd.exe	findstr.exe
PID 2144 wrote to memory of 2556	2144	cmd.exe	findstr.exe
PID 2144 wrote to memory of 2556	2144	cmd.exe	findstr.exe
PID 3064 wrote to memory of 1532	3064	Activator Svs.exe	cmd.exe
PID 3064 wrote to memory of 1532	3064	Activator Svs.exe	cmd.exe
PID 3064 wrote to memory of 1532	3064	Activator Svs.exe	cmd.exe
PID 3064 wrote to memory of 1532	3064	Activator Svs.exe	cmd.exe
PID 1532 wrote to memory of 2156	1532	cmd.exe	chcp.com
PID 1532 wrote to memory of 2156	1532	cmd.exe	chcp.com
PID 1532 wrote to memory of 2156	1532	cmd.exe	chcp.com
PID 1532 wrote to memory of 2156	1532	cmd.exe	chcp.com
PID 1532 wrote to memory of 752	1532	cmd.exe	netsh.exe
PID 1532 wrote to memory of 752	1532	cmd.exe	netsh.exe
PID 1532 wrote to memory of 752	1532	cmd.exe	netsh.exe
PID 1532 wrote to memory of 752	1532	cmd.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\License Activator Brute Cams.exe
"C:\Users\Admin\AppData\Local\Temp\License Activator Brute Cams.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Users\Admin\AppData\Local\Temp\Activator Svs.exe
  "C:\Users\Admin\AppData\Local\Temp\Activator Svs.exe"
  2⤵
  - Executes dropped EXE
  - 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:3064
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Wi-Fi Discovery
    - Suspicious use of WriteProcessMemory
    PID:2144
  - - C:\Windows\SysWOW64\chcp.com
      chcp 65001
      4⤵
      System Location Discovery: System Language Discovery
      PID:1976
  - - C:\Windows\SysWOW64\netsh.exe
      netsh wlan show profile
      4⤵
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Wi-Fi Discovery
      PID:2012
  - - C:\Windows\SysWOW64\findstr.exe
      findstr All
      4⤵
      System Location Discovery: System Language Discovery
      PID:2556
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1532
  - - C:\Windows\SysWOW64\chcp.com
      chcp 65001
      4⤵
      System Location Discovery: System Language Discovery
      PID:2156
  - - C:\Windows\SysWOW64\netsh.exe
      netsh wlan show networks mode=bssid
      4⤵
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:752
- C:\Users\Admin\AppData\Local\Temp\hfs.exe
  "C:\Users\Admin\AppData\Local\Temp\hfs.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of FindShellTrayWindow
  PID:2336

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

2

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\Activator Svs.exe

Filesize
233KB

MD5
98a009db64d4ebc11087234c7347ba61

SHA1
5a350ba68f9e90f1df324dba99db7b1ade047d5a

SHA256
d2487832d14d57e6894924305e7032e6f534b186e6e48774467c505f84d91c05

SHA512
4b6cdc8f265e0db9293590c00b6c4ecdc27198a647e6d136fe161296e3bd030ca62de87f2f4ed3e4a9d9fd61e1b0f5a4bdc8ae9257fcaa88e6d3a3d95647cc37

Download Submit
C:\Users\Admin\AppData\Local\Temp\hfs.exe

Filesize
4.8MB

MD5
a52fc9a9bec7f0ed12ed90da1d964714

SHA1
4e18854ed1658ce891b2c08877b511c81c4ba666

SHA256
cdba1b96718f1538cb31247514ef3d3cfa4eb7e8640016503b7d19cdb0173995

SHA512
9a5d1180f076bbfe1a2f581885d8640347ef9eefe7d9c45c610384f5cbb72933a1da5acd4aed3922b3a94d73e3fc65f93b0db911e274e544dfb240a72945062a

Download Submit
memory/1732-100-0x000007FEF5290000-0x000007FEF5C7C000-memory.dmp

Filesize
9.9MB

Download
memory/1732-1-0x0000000000030000-0x0000000000256000-memory.dmp

Filesize
2.1MB

Download
memory/1732-0-0x000007FEF5293000-0x000007FEF5294000-memory.dmp

Filesize
4KB

Download
memory/1732-14-0x000007FEF5290000-0x000007FEF5C7C000-memory.dmp

Filesize
9.9MB

Download
memory/1732-98-0x000007FEF5293000-0x000007FEF5294000-memory.dmp

Filesize
4KB

Download
memory/1732-99-0x000007FEF5290000-0x000007FEF5C7C000-memory.dmp

Filesize
9.9MB

Download
memory/2336-16-0x0000000000410000-0x0000000000411000-memory.dmp

Filesize
4KB

Download
memory/2336-15-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2336-103-0x0000000000400000-0x0000000000968000-memory.dmp

Filesize
5.4MB

Download
memory/2336-101-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/3064-17-0x00000000740EE000-0x00000000740EF000-memory.dmp

Filesize
4KB

Download
memory/3064-21-0x00000000740E0000-0x00000000747CE000-memory.dmp

Filesize
6.9MB

Download
memory/3064-102-0x00000000740EE000-0x00000000740EF000-memory.dmp

Filesize
4KB

Download
memory/3064-13-0x0000000000A70000-0x0000000000AB0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads