asyncrat | d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81

General

Target

d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
Size

234KB
MD5

4d54f37b7b9cb8f4e9a7ba334e711889
SHA1

d83e92210f74883074da45db0e50210ee0531fad
SHA256

d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81
SHA512

effbb2b5c2bd3db1da9acbb8e8b298f69cd5de86fc2906c88c17e922290a0f7b9554075fbcd35a47b8a678ef573f097cc5656ac073823b9a1b387bc795c778d5
SSDEEP

3072:A+STW8djpN6izj8mZwpuAtiIR6iYj7PcUbBuVByshwp//DrB36eKzF0y6+WpRt:18XN6W8mmpmX0UbUeshIXDIzF4

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/bot7478550442:AAFFrjVUKsvQtQXD68jNIEL-6LtQUIoajxw/sendMessage?chat_id=7253774309

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/2660-1-0x0000000000CB0000-0x0000000000CEE000-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) 9 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\24564075f9969867daf1e82a302d1fa6\Admin@LOAWFVFN_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
File created	C:\Users\Admin\AppData\Local\24564075f9969867daf1e82a302d1fa6\Admin@LOAWFVFN_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
File created	C:\Users\Admin\AppData\Local\24564075f9969867daf1e82a302d1fa6\Admin@LOAWFVFN_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Saved Pictures\desktop.ini	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
File opened for modification	C:\Users\Admin\AppData\Local\24564075f9969867daf1e82a302d1fa6\Admin@LOAWFVFN_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
File created	C:\Users\Admin\AppData\Local\24564075f9969867daf1e82a302d1fa6\Admin@LOAWFVFN_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
File created	C:\Users\Admin\AppData\Local\24564075f9969867daf1e82a302d1fa6\Admin@LOAWFVFN_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
File opened for modification	C:\Users\Admin\AppData\Local\24564075f9969867daf1e82a302d1fa6\Admin@LOAWFVFN_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
File created	C:\Users\Admin\AppData\Local\24564075f9969867daf1e82a302d1fa6\Admin@LOAWFVFN_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Camera Roll\desktop.ini	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
File created	C:\Users\Admin\AppData\Local\24564075f9969867daf1e82a302d1fa6\Admin@LOAWFVFN_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.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
1	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 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

description	ioc	Process
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
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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	findstr.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
4796	netsh.exe
5284	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
2660	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
2660	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
2660	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
2660	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
2660	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
2660	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
2660	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
2660	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
2660	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
2660	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
2660	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
2660	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
2660	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
2660	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
2660	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
2660	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
2660	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
2660	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
2660	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2660	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2660 wrote to memory of 5284	2660	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe	79
PID 2660 wrote to memory of 5284	2660	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe	79
PID 2660 wrote to memory of 5284	2660	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe	79
PID 5284 wrote to memory of 2524	5284	cmd.exe	81
PID 5284 wrote to memory of 2524	5284	cmd.exe	81
PID 5284 wrote to memory of 2524	5284	cmd.exe	81
PID 5284 wrote to memory of 4796	5284	cmd.exe	82
PID 5284 wrote to memory of 4796	5284	cmd.exe	82
PID 5284 wrote to memory of 4796	5284	cmd.exe	82
PID 5284 wrote to memory of 5984	5284	cmd.exe	83
PID 5284 wrote to memory of 5984	5284	cmd.exe	83
PID 5284 wrote to memory of 5984	5284	cmd.exe	83
PID 2660 wrote to memory of 2804	2660	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe	84
PID 2660 wrote to memory of 2804	2660	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe	84
PID 2660 wrote to memory of 2804	2660	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe	84
PID 2804 wrote to memory of 2380	2804	cmd.exe	86
PID 2804 wrote to memory of 2380	2804	cmd.exe	86
PID 2804 wrote to memory of 2380	2804	cmd.exe	86
PID 2804 wrote to memory of 5488	2804	cmd.exe	87
PID 2804 wrote to memory of 5488	2804	cmd.exe	87
PID 2804 wrote to memory of 5488	2804	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
"C:\Users\Admin\AppData\Local\Temp\d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.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:2660
- 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:5284
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2524
- - 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:4796
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5984
- 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:2804
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2380
- - 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:5488

Network

MITRE ATT&CK Enterprise v16

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\24564075f9969867daf1e82a302d1fa6\Admin@LOAWFVFN_en-US\System\Process.txt

Filesize
4KB

MD5
0d83cd2e0f45c49df6d5d4ba31f5534f

SHA1
42b4ef483406d9e83527fed6db2694aba7a304a1

SHA256
bd8adc22058375ec70592716cc94551651e7560923012e653bfc120760e7caf7

SHA512
cd02005b0133b160f675d29878df3847735cfefec81ad249ab0c2659fdfc30a6e7cd29f8742dcae4e2764e6c331ea0125bf5cc6ca0de6aa71755f5f5aab7301d

Download Submit
C:\Users\Admin\AppData\Local\2e110b695017bd572d6466157848c196\msgid.dat

Filesize
3B

MD5
58e4d44e550d0f7ee0a23d6b02d9b0db

SHA1
0a6bd727548a5af89987f1aa4017003b32f96fd0

SHA256
b1e92fe0fa7edab2161fa5090a65e065425f6ead93e1152013b1ba77b471494c

SHA512
8e53b4d9553ec2a53d7b0ae6b2f9494a30dd78c196646dae46fd4b77d050e7933d89ec30da91f2531192754c69a7f8579feaad613f97f94b2bc7bbaa86285b48

Download Submit
memory/2660-126-0x0000000075190000-0x0000000075941000-memory.dmp

Filesize
7.7MB

Download
memory/2660-3-0x0000000005750000-0x00000000057B6000-memory.dmp

Filesize
408KB

Download
memory/2660-105-0x000000007519E000-0x000000007519F000-memory.dmp

Filesize
4KB

Download
memory/2660-2-0x0000000075190000-0x0000000075941000-memory.dmp

Filesize
7.7MB

Download
memory/2660-0-0x000000007519E000-0x000000007519F000-memory.dmp

Filesize
4KB

Download
memory/2660-138-0x00000000062D0000-0x0000000006362000-memory.dmp

Filesize
584KB

Download
memory/2660-139-0x0000000075190000-0x0000000075941000-memory.dmp

Filesize
7.7MB

Download
memory/2660-140-0x0000000006920000-0x0000000006EC6000-memory.dmp

Filesize
5.6MB

Download
memory/2660-144-0x00000000064F0000-0x00000000064FA000-memory.dmp

Filesize
40KB

Download
memory/2660-1-0x0000000000CB0000-0x0000000000CEE000-memory.dmp

Filesize
248KB

Download
memory/2660-150-0x0000000006700000-0x0000000006712000-memory.dmp

Filesize
72KB

Download
memory/2660-174-0x0000000075190000-0x0000000075941000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads