asyncrat | 8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad

General

Target

8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe
Size

175KB
MD5

e0788a76fc1eee6e158f1143788683c9
SHA1

41bb0bf272b0e6904425e9f6416a50addca28cc5
SHA256

8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad
SHA512

2bd6a2b937dcb479d5a79d7d6b0ec3344c164c8b2e502bc75996c8d153978dce45aae96748d4ee9c3ed99aac1c6e4f11b3c251acb06b12da6101697d618e084b
SSDEEP

3072:4e8p6ewdOIwQx76vK/bvTv0cU+lL/dMlZZUZ0b2gTbOwARE+WpCc:s6ewwIwQJ6vKX0c5MlYZ0b2om

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/bot7475087682:AAEfJpWc86AxzuoY9HVEoL7CzhKKWWdwm7o/sendMessage?chat_id=8101604449

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/3504-1-0x0000000000BC0000-0x0000000000BF2000-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\97d2b94acdcfb217ef18aabffd65dfb4\Admin@LSXLBRIO_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe
File created	C:\Users\Admin\AppData\Local\97d2b94acdcfb217ef18aabffd65dfb4\Admin@LSXLBRIO_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe
File created	C:\Users\Admin\AppData\Local\97d2b94acdcfb217ef18aabffd65dfb4\Admin@LSXLBRIO_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Camera Roll\desktop.ini	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe
File created	C:\Users\Admin\AppData\Local\97d2b94acdcfb217ef18aabffd65dfb4\Admin@LSXLBRIO_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Saved Pictures\desktop.ini	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe
File created	C:\Users\Admin\AppData\Local\97d2b94acdcfb217ef18aabffd65dfb4\Admin@LSXLBRIO_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe
File opened for modification	C:\Users\Admin\AppData\Local\97d2b94acdcfb217ef18aabffd65dfb4\Admin@LSXLBRIO_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe
File created	C:\Users\Admin\AppData\Local\97d2b94acdcfb217ef18aabffd65dfb4\Admin@LSXLBRIO_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe
File opened for modification	C:\Users\Admin\AppData\Local\97d2b94acdcfb217ef18aabffd65dfb4\Admin@LSXLBRIO_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
4	pastebin.com
9	pastebin.com

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 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe
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	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
4680	cmd.exe
4436	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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
3504	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe
3504	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe
3504	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe
3504	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe
3504	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe
3504	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe
3504	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe
3504	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe
3504	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe
3504	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe
3504	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe
3504	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe
3504	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe
3504	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe
3504	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe
3504	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe
3504	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe
3504	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe
3504	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3504	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3504 wrote to memory of 4680	3504	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe	79
PID 3504 wrote to memory of 4680	3504	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe	79
PID 3504 wrote to memory of 4680	3504	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe	79
PID 4680 wrote to memory of 5112	4680	cmd.exe	81
PID 4680 wrote to memory of 5112	4680	cmd.exe	81
PID 4680 wrote to memory of 5112	4680	cmd.exe	81
PID 4680 wrote to memory of 4436	4680	cmd.exe	82
PID 4680 wrote to memory of 4436	4680	cmd.exe	82
PID 4680 wrote to memory of 4436	4680	cmd.exe	82
PID 4680 wrote to memory of 4420	4680	cmd.exe	83
PID 4680 wrote to memory of 4420	4680	cmd.exe	83
PID 4680 wrote to memory of 4420	4680	cmd.exe	83
PID 3504 wrote to memory of 6040	3504	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe	84
PID 3504 wrote to memory of 6040	3504	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe	84
PID 3504 wrote to memory of 6040	3504	8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe	84
PID 6040 wrote to memory of 2380	6040	cmd.exe	86
PID 6040 wrote to memory of 2380	6040	cmd.exe	86
PID 6040 wrote to memory of 2380	6040	cmd.exe	86
PID 6040 wrote to memory of 2256	6040	cmd.exe	87
PID 6040 wrote to memory of 2256	6040	cmd.exe	87
PID 6040 wrote to memory of 2256	6040	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.exe
"C:\Users\Admin\AppData\Local\Temp\8e854ee90f0ca6891a512aaaa95cb54fdff6d26052fa0bb7acc4ef58469564ad.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:3504
- 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:4680
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5112
- - 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:4436
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4420
- 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:6040
- - 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:2256

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

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\97d2b94acdcfb217ef18aabffd65dfb4\Admin@LSXLBRIO_en-US\System\Process.txt

Filesize
4KB

MD5
34a0fb4bf0a8944462679498e1bd1141

SHA1
a30844cee0b735a934898c1326a9fe80929662d0

SHA256
9d21181d17a6df561eb7e117fee5365f7a5e540db789d4222335eeaa6c2963b8

SHA512
6bdcbbf46fff007b0f6bac121f51ec5462098d98cd1ff058015a443d6efdc6f1ea8b66dc46f64cb6dbf7740b39756d4a309a6013c27e0789c755b9d928b546e5

Download Submit
C:\Users\Admin\AppData\Local\ff7875ee68a0efb898123ac93c584c8d\msgid.dat

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/3504-3-0x0000000005520000-0x0000000005586000-memory.dmp

Filesize
408KB

Download
memory/3504-0-0x000000007513E000-0x000000007513F000-memory.dmp

Filesize
4KB

Download
memory/3504-93-0x000000007513E000-0x000000007513F000-memory.dmp

Filesize
4KB

Download
memory/3504-108-0x0000000075130000-0x00000000758E1000-memory.dmp

Filesize
7.7MB

Download
memory/3504-2-0x0000000075130000-0x00000000758E1000-memory.dmp

Filesize
7.7MB

Download
memory/3504-139-0x0000000075130000-0x00000000758E1000-memory.dmp

Filesize
7.7MB

Download
memory/3504-138-0x00000000060C0000-0x0000000006152000-memory.dmp

Filesize
584KB

Download
memory/3504-140-0x0000000006710000-0x0000000006CB6000-memory.dmp

Filesize
5.6MB

Download
memory/3504-144-0x00000000061D0000-0x00000000061DA000-memory.dmp

Filesize
40KB

Download
memory/3504-1-0x0000000000BC0000-0x0000000000BF2000-memory.dmp

Filesize
200KB

Download
memory/3504-150-0x0000000006F80000-0x0000000006F92000-memory.dmp

Filesize
72KB

Download
memory/3504-172-0x0000000075130000-0x00000000758E1000-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