asyncrat | e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537

General

Target

e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
Size

175KB
MD5

df868aa5e040e23ff06a41d059e698d9
SHA1

36166f57490452105f7dd42e4880287e7f2387ee
SHA256

e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537
SHA512

bd26d78b64c34b30e5449b159170aa4fe07c42a05676aaa970f4f89b838798171e4bc36f4bc0c7b42b57c915d465848958eb890ffbe95c988d6460b3f9fa3ef1
SSDEEP

3072:Ge8p6ewdOIwQx76vK/bvTv0cU+lL/dMlZZUZ0b2gTTwARE+WpCc:e6ewwIwQJ6vKX0c5MlYZ0b2E

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

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
behavioral1/memory/3604-1-0x00000000003E0000-0x0000000000412000-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\3d8fcc939687dcd5f5e019d96086b016\Admin@DWYAPCVV_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
File created	C:\Users\Admin\AppData\Local\3d8fcc939687dcd5f5e019d96086b016\Admin@DWYAPCVV_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Camera Roll\desktop.ini	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
File created	C:\Users\Admin\AppData\Local\3d8fcc939687dcd5f5e019d96086b016\Admin@DWYAPCVV_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
File opened for modification	C:\Users\Admin\AppData\Local\3d8fcc939687dcd5f5e019d96086b016\Admin@DWYAPCVV_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
File created	C:\Users\Admin\AppData\Local\3d8fcc939687dcd5f5e019d96086b016\Admin@DWYAPCVV_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
File opened for modification	C:\Users\Admin\AppData\Local\3d8fcc939687dcd5f5e019d96086b016\Admin@DWYAPCVV_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
File created	C:\Users\Admin\AppData\Local\3d8fcc939687dcd5f5e019d96086b016\Admin@DWYAPCVV_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
File created	C:\Users\Admin\AppData\Local\3d8fcc939687dcd5f5e019d96086b016\Admin@DWYAPCVV_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Saved Pictures\desktop.ini	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
File created	C:\Users\Admin\AppData\Local\3d8fcc939687dcd5f5e019d96086b016\Admin@DWYAPCVV_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe

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

Web Service

T1102

flow	ioc
44	pastebin.com
45	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
34	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	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.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	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	netsh.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
3460	netsh.exe
2752	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	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3604 wrote to memory of 2752	3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe	97
PID 3604 wrote to memory of 2752	3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe	97
PID 3604 wrote to memory of 2752	3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe	97
PID 2752 wrote to memory of 3764	2752	cmd.exe	99
PID 2752 wrote to memory of 3764	2752	cmd.exe	99
PID 2752 wrote to memory of 3764	2752	cmd.exe	99
PID 2752 wrote to memory of 3460	2752	cmd.exe	100
PID 2752 wrote to memory of 3460	2752	cmd.exe	100
PID 2752 wrote to memory of 3460	2752	cmd.exe	100
PID 2752 wrote to memory of 3152	2752	cmd.exe	101
PID 2752 wrote to memory of 3152	2752	cmd.exe	101
PID 2752 wrote to memory of 3152	2752	cmd.exe	101
PID 3604 wrote to memory of 3588	3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe	102
PID 3604 wrote to memory of 3588	3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe	102
PID 3604 wrote to memory of 3588	3604	e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe	102
PID 3588 wrote to memory of 2808	3588	cmd.exe	104
PID 3588 wrote to memory of 2808	3588	cmd.exe	104
PID 3588 wrote to memory of 2808	3588	cmd.exe	104
PID 3588 wrote to memory of 5688	3588	cmd.exe	105
PID 3588 wrote to memory of 5688	3588	cmd.exe	105
PID 3588 wrote to memory of 5688	3588	cmd.exe	105

C:\Users\Admin\AppData\Local\Temp\e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.exe
"C:\Users\Admin\AppData\Local\Temp\e690ae7de7c11ec96e0525199adb20e03220404e46724d29c37130639cd6b537.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:3604
- 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:2752
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3764
- - 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:3460
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3152
- 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:3588
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2808
- - 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:5688

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\3d8fcc939687dcd5f5e019d96086b016\Admin@DWYAPCVV_en-US\Browsers\Firefox\Bookmarks.txt

Filesize
81B

MD5
ea511fc534efd031f852fcf490b76104

SHA1
573e5fa397bc953df5422abbeb1a52bf94f7cf00

SHA256
e5fe7f327ae62df007bd1117aa7f522dbbcd371ec67953f66d786424cb1d7995

SHA512
f7d8e575a2332b0fbd491b5e092b7ed6b0942a5165557fcc5d215d873b05103aa6ba01843133871c1c7ac81b10182a15895be49885c98d1a379dd55f88004fae

Download Submit
C:\Users\Admin\AppData\Local\3d8fcc939687dcd5f5e019d96086b016\Admin@DWYAPCVV_en-US\System\Process.txt

Filesize
4KB

MD5
d2ad81d6f3f759de2a41d1725ef89491

SHA1
dfab141f66493e1f68684d38d47770cc82343d9b

SHA256
e9a3dacdebc838b6e628d64c0b72805d81c9cd7055340f3ec6f90652ee83d912

SHA512
2ef70f77a3dd8ff8c3c0df1405cb34a46c113cb6265b19b99c0a79d30a46d89a9a0226f998b2a1e696a38123a4f41aae323d41b849f5dcf4ff4f3074f872fcee

Download Submit
C:\Users\Admin\AppData\Local\c1c41b1279ab853e17fab5617bd5a751\msgid.dat

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/3604-148-0x0000000074C50000-0x0000000075400000-memory.dmp

Filesize
7.7MB

Download
memory/3604-123-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

Download
memory/3604-3-0x0000000004DC0000-0x0000000004E26000-memory.dmp

Filesize
408KB

Download
memory/3604-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

Download
memory/3604-149-0x0000000074C50000-0x0000000075400000-memory.dmp

Filesize
7.7MB

Download
memory/3604-151-0x00000000057F0000-0x0000000005882000-memory.dmp

Filesize
584KB

Download
memory/3604-152-0x0000000005E40000-0x00000000063E4000-memory.dmp

Filesize
5.6MB

Download
memory/3604-156-0x0000000005920000-0x000000000592A000-memory.dmp

Filesize
40KB

Download
memory/3604-2-0x0000000074C50000-0x0000000075400000-memory.dmp

Filesize
7.7MB

Download
memory/3604-162-0x0000000005E10000-0x0000000005E22000-memory.dmp

Filesize
72KB

Download
memory/3604-1-0x00000000003E0000-0x0000000000412000-memory.dmp

Filesize
200KB

Download
memory/3604-187-0x0000000074C50000-0x0000000075400000-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