asyncrat | 24df78e691e9cfa6b363d97d9cf120d1e4d1de0d2f63d1998bf375924eb04a94

General

Target

Hik Bruteforce v2.exe
Size

170KB
MD5

3a7eef4a84aed62a508f6a4b7dee2c84
SHA1

6f8cd821581de3337d2e15b35519430f77b1413a
SHA256

24df78e691e9cfa6b363d97d9cf120d1e4d1de0d2f63d1998bf375924eb04a94
SHA512

09e159e8091fcf9870d7f2bc9f95a3177b7dad608a8a95160cd12d214de72f7933cd3aca489c72079a544eab4ebd6b137aae2d4f4aa7e99a1c2495da0d0a03e3
SSDEEP

3072:T+STW8djpN6izj8mZwtJZ8yWmRIPu/i9bNJ2cJ6V6+Wpn:w8XN6W8mmtUy7KPSi9bL2

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/bot7011456348:AAFxhHntxKAFnfPPOKU15CPsYvWSR2BNXdg/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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5076-1-0x00000000000C0000-0x00000000000F0000-memory.dmp	family_stormkitty

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
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

Drops desktop.ini file(s) 8 IoCs

Processes:

Hik Bruteforce v2.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\f89c87abaf3ce5d923afc3802663841c\Admin@OARDHGDN_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	Hik Bruteforce v2.exe
File created	C:\Users\Admin\AppData\Local\f89c87abaf3ce5d923afc3802663841c\Admin@OARDHGDN_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Camera Roll\desktop.ini	Hik Bruteforce v2.exe
File created	C:\Users\Admin\AppData\Local\f89c87abaf3ce5d923afc3802663841c\Admin@OARDHGDN_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Saved Pictures\desktop.ini	Hik Bruteforce v2.exe
File created	C:\Users\Admin\AppData\Local\f89c87abaf3ce5d923afc3802663841c\Admin@OARDHGDN_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini	Hik Bruteforce v2.exe
File created	C:\Users\Admin\AppData\Local\f89c87abaf3ce5d923afc3802663841c\Admin@OARDHGDN_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	Hik Bruteforce v2.exe
File opened for modification	C:\Users\Admin\AppData\Local\f89c87abaf3ce5d923afc3802663841c\Admin@OARDHGDN_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini	Hik Bruteforce v2.exe
File opened for modification	C:\Users\Admin\AppData\Local\f89c87abaf3ce5d923afc3802663841c\Admin@OARDHGDN_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	Hik Bruteforce v2.exe
File created	C:\Users\Admin\AppData\Local\f89c87abaf3ce5d923afc3802663841c\Admin@OARDHGDN_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini	Hik Bruteforce v2.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

28 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

flow	ioc
28	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 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

Processes:

netsh.exeHik Bruteforce v2.execmd.exechcp.comfindstr.exenetsh.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	Hik Bruteforce v2.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

Processes:

netsh.execmd.exe

pid process

4884 netsh.exe
4816 cmd.exe

pid	process
4884	netsh.exe
4816	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

Processes:

Hik Bruteforce v2.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	Hik Bruteforce v2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	Hik Bruteforce v2.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

Processes:

Hik Bruteforce v2.exe

pid	process
5076	Hik Bruteforce v2.exe
5076	Hik Bruteforce v2.exe
5076	Hik Bruteforce v2.exe
5076	Hik Bruteforce v2.exe
5076	Hik Bruteforce v2.exe
5076	Hik Bruteforce v2.exe
5076	Hik Bruteforce v2.exe
5076	Hik Bruteforce v2.exe
5076	Hik Bruteforce v2.exe
5076	Hik Bruteforce v2.exe
5076	Hik Bruteforce v2.exe
5076	Hik Bruteforce v2.exe
5076	Hik Bruteforce v2.exe
5076	Hik Bruteforce v2.exe
5076	Hik Bruteforce v2.exe
5076	Hik Bruteforce v2.exe
5076	Hik Bruteforce v2.exe
5076	Hik Bruteforce v2.exe
5076	Hik Bruteforce v2.exe
5076	Hik Bruteforce v2.exe
5076	Hik Bruteforce v2.exe
5076	Hik Bruteforce v2.exe
5076	Hik Bruteforce v2.exe
5076	Hik Bruteforce v2.exe
5076	Hik Bruteforce v2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Hik Bruteforce v2.exe

description pid process

Token: SeDebugPrivilege 5076 Hik Bruteforce v2.exe

description	pid	process
Token: SeDebugPrivilege	5076	Hik Bruteforce v2.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

Hik Bruteforce v2.execmd.execmd.exe

description	pid	process	target process
PID 5076 wrote to memory of 4816	5076	Hik Bruteforce v2.exe	cmd.exe
PID 5076 wrote to memory of 4816	5076	Hik Bruteforce v2.exe	cmd.exe
PID 5076 wrote to memory of 4816	5076	Hik Bruteforce v2.exe	cmd.exe
PID 4816 wrote to memory of 760	4816	cmd.exe	chcp.com
PID 4816 wrote to memory of 760	4816	cmd.exe	chcp.com
PID 4816 wrote to memory of 760	4816	cmd.exe	chcp.com
PID 4816 wrote to memory of 4884	4816	cmd.exe	netsh.exe
PID 4816 wrote to memory of 4884	4816	cmd.exe	netsh.exe
PID 4816 wrote to memory of 4884	4816	cmd.exe	netsh.exe
PID 4816 wrote to memory of 4616	4816	cmd.exe	findstr.exe
PID 4816 wrote to memory of 4616	4816	cmd.exe	findstr.exe
PID 4816 wrote to memory of 4616	4816	cmd.exe	findstr.exe
PID 5076 wrote to memory of 4384	5076	Hik Bruteforce v2.exe	cmd.exe
PID 5076 wrote to memory of 4384	5076	Hik Bruteforce v2.exe	cmd.exe
PID 5076 wrote to memory of 4384	5076	Hik Bruteforce v2.exe	cmd.exe
PID 4384 wrote to memory of 2600	4384	cmd.exe	chcp.com
PID 4384 wrote to memory of 2600	4384	cmd.exe	chcp.com
PID 4384 wrote to memory of 2600	4384	cmd.exe	chcp.com
PID 4384 wrote to memory of 868	4384	cmd.exe	netsh.exe
PID 4384 wrote to memory of 868	4384	cmd.exe	netsh.exe
PID 4384 wrote to memory of 868	4384	cmd.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\Hik Bruteforce v2.exe
"C:\Users\Admin\AppData\Local\Temp\Hik Bruteforce v2.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:5076
- 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:4816
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:760
- - 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:4884
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4616
- 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:4384
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2600
- - 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:868

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\23d148d13423f560b6d2b15132e25da1\msgid.dat

Filesize
4B

MD5
95192c98732387165bf8e396c0f2dad2

SHA1
ab39c54239118a4b086b878b7878100f769dd197

SHA256
da6e2f539726fabd1f8cd7c9469a22b36769137975b28abc65fe2dc29e659b77

SHA512
da0ae9104086a1c58f89f82766ac55a02c8ab44277ce39f959ec0e73391bef651c6f9793657396ce47fbd846068465ccbf3056764424bed9be7789bd1101ace7

Download Submit
C:\Users\Admin\AppData\Local\f89c87abaf3ce5d923afc3802663841c\Admin@OARDHGDN_en-US\Browsers\Firefox\Bookmarks.txt

Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

Download Submit
C:\Users\Admin\AppData\Local\f89c87abaf3ce5d923afc3802663841c\Admin@OARDHGDN_en-US\System\Process.txt

Filesize
4KB

MD5
b5f96ec81332dfac06aa0c8395e049af

SHA1
e9952a318a9dfa78f1c85e86852ac41dc609d4f3

SHA256
0c8171be0380c8656d9df6a5066adea640f95d94a0212dc91581a713c3ea1642

SHA512
ff097fcdee6162276627b0e8de7cc61da157ccb69b58f662bddbef6c14ea13bac018117881e2893984871a23da7a1cc1f9e8e27592e31a6e7ae1fb230175fb15

Download Submit
memory/5076-136-0x000000007539E000-0x000000007539F000-memory.dmp

Filesize
4KB

Download
memory/5076-3-0x0000000004A50000-0x0000000004AB6000-memory.dmp

Filesize
408KB

Download
memory/5076-2-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download
memory/5076-0-0x000000007539E000-0x000000007539F000-memory.dmp

Filesize
4KB

Download
memory/5076-147-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download
memory/5076-148-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download
memory/5076-150-0x0000000005640000-0x00000000056D2000-memory.dmp

Filesize
584KB

Download
memory/5076-151-0x0000000005C90000-0x0000000006234000-memory.dmp

Filesize
5.6MB

Download
memory/5076-155-0x00000000056E0000-0x00000000056EA000-memory.dmp

Filesize
40KB

Download
memory/5076-1-0x00000000000C0000-0x00000000000F0000-memory.dmp

Filesize
192KB

Download
memory/5076-161-0x00000000057B0000-0x00000000057C2000-memory.dmp

Filesize
72KB

Download
memory/5076-186-0x0000000075390000-0x0000000075B40000-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