Malware Analysis Report

2024-08-06 13:14

Sample ID 240616-lrpbbasejm
Target ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f
SHA256 ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f
Tags
asyncrat undram rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f

Threat Level: Known bad

The file ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f was found to be: Known bad.

Malicious Activity Summary

asyncrat undram rat

AsyncRat

Drops startup file

Executes dropped EXE

Checks computer location settings

Suspicious use of SetThreadContext

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Privilege Escalation
TA0004
Defense Evasion
TA0005
Credential Access
TA0006
Discovery
TA0007
Query Registry
T1012
System Information Discovery
T1082
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-06-16 09:46

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 09:46

Reported

2024-06-16 09:48

Platform

win10v2004-20240611-en

Max time kernel

147s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe"

Signatures

AsyncRat

rat asyncrat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Taskbar.lnk C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Windows Taskbar.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4008 set thread context of 4092 N/A C:\Users\Admin\AppData\Roaming\Windows Taskbar.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\Windows Taskbar.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\Windows Taskbar.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\Windows Taskbar.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 984 wrote to memory of 4008 N/A C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe C:\Users\Admin\AppData\Roaming\Windows Taskbar.exe
PID 984 wrote to memory of 4008 N/A C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe C:\Users\Admin\AppData\Roaming\Windows Taskbar.exe
PID 984 wrote to memory of 4008 N/A C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe C:\Users\Admin\AppData\Roaming\Windows Taskbar.exe
PID 4008 wrote to memory of 4092 N/A C:\Users\Admin\AppData\Roaming\Windows Taskbar.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4008 wrote to memory of 4092 N/A C:\Users\Admin\AppData\Roaming\Windows Taskbar.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4008 wrote to memory of 4092 N/A C:\Users\Admin\AppData\Roaming\Windows Taskbar.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4008 wrote to memory of 4092 N/A C:\Users\Admin\AppData\Roaming\Windows Taskbar.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4008 wrote to memory of 4092 N/A C:\Users\Admin\AppData\Roaming\Windows Taskbar.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4008 wrote to memory of 4092 N/A C:\Users\Admin\AppData\Roaming\Windows Taskbar.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4008 wrote to memory of 4092 N/A C:\Users\Admin\AppData\Roaming\Windows Taskbar.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4008 wrote to memory of 4092 N/A C:\Users\Admin\AppData\Roaming\Windows Taskbar.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe

"C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe"

C:\Users\Admin\AppData\Roaming\Windows Taskbar.exe

"C:\Users\Admin\AppData\Roaming\Windows Taskbar.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 i.ibb.co udp
FR 162.19.58.161:443 i.ibb.co tcp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 161.58.19.162.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
FR 162.19.58.161:443 i.ibb.co tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 100.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 surveyedgesoft.com udp
US 8.8.8.8:53 surveyedgesoft.com udp
US 8.8.8.8:53 surveyedgesoft.com udp
US 8.8.8.8:53 surveyedgesoft.com udp
US 8.8.8.8:53 surveyedgesoft.com udp
US 8.8.8.8:53 surveyedgesoft.com udp
US 8.8.8.8:53 98.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 surveyedgesoft.com udp
US 8.8.8.8:53 surveyedgesoft.com udp
US 8.8.8.8:53 surveyedgesoft.com udp
US 8.8.8.8:53 surveyedgesoft.com udp
US 8.8.8.8:53 surveyedgesoft.com udp
US 8.8.8.8:53 surveyedgesoft.com udp
US 8.8.8.8:53 surveyedgesoft.com udp
US 8.8.8.8:53 surveyedgesoft.com udp
US 8.8.8.8:53 surveyedgesoft.com udp

Files

memory/984-0-0x000000007470E000-0x000000007470F000-memory.dmp

memory/984-1-0x0000000000E90000-0x0000000000F16000-memory.dmp

memory/984-2-0x0000000005550000-0x0000000005AF4000-memory.dmp

memory/984-3-0x0000000004EB0000-0x0000000004F42000-memory.dmp

memory/984-4-0x0000000005040000-0x00000000050DC000-memory.dmp

memory/984-5-0x0000000074700000-0x0000000074EB0000-memory.dmp

memory/984-6-0x0000000007B50000-0x0000000007E12000-memory.dmp

memory/984-7-0x00000000027F0000-0x00000000027F6000-memory.dmp

memory/984-8-0x0000000007A20000-0x0000000007A2A000-memory.dmp

memory/984-9-0x0000000074700000-0x0000000074EB0000-memory.dmp

C:\Users\Admin\AppData\Roaming\Windows Taskbar.exe

MD5 0ee9a0317342d545c2bfd9e3fbd627f9
SHA1 b75bbb5092930bbbe83de54a50805bf1a7445762
SHA256 ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f
SHA512 929153c2589614b4495e4c7e40e07ee3c3f8b2557927aacde1e7ec8828a14162ca47c573822a201633b535d65adc1025d8bc3e730f51160759cc3af2ed6d3c70

memory/4008-25-0x0000000074700000-0x0000000074EB0000-memory.dmp

memory/984-27-0x0000000074700000-0x0000000074EB0000-memory.dmp

memory/4008-26-0x0000000000C80000-0x0000000000D06000-memory.dmp

memory/4008-28-0x0000000074700000-0x0000000074EB0000-memory.dmp

memory/4008-29-0x0000000074700000-0x0000000074EB0000-memory.dmp

memory/4008-30-0x00000000079F0000-0x0000000007A0A000-memory.dmp

memory/4008-31-0x0000000007AD0000-0x0000000007AD6000-memory.dmp

memory/4008-32-0x0000000074700000-0x0000000074EB0000-memory.dmp

memory/4008-33-0x0000000074700000-0x0000000074EB0000-memory.dmp

memory/4092-34-0x0000000000400000-0x0000000000418000-memory.dmp

memory/4092-36-0x0000000074700000-0x0000000074EB0000-memory.dmp

memory/4008-37-0x0000000074700000-0x0000000074EB0000-memory.dmp

memory/4092-39-0x0000000074700000-0x0000000074EB0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-16 09:46

Reported

2024-06-16 09:48

Platform

win11-20240508-en

Max time kernel

146s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe

"C:\Users\Admin\AppData\Local\Temp\ecc6b2506aeaac13da0562a6a5d35c802eea9c6232c49cc4583d7c5c13bbbc0f.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 i.ibb.co udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/4420-0-0x000000007488E000-0x000000007488F000-memory.dmp

memory/4420-1-0x0000000000220000-0x00000000002A6000-memory.dmp

memory/4420-2-0x0000000005CB0000-0x0000000006256000-memory.dmp

memory/4420-3-0x00000000055D0000-0x0000000005662000-memory.dmp

memory/4420-4-0x00000000057A0000-0x000000000583C000-memory.dmp

memory/4420-5-0x0000000074880000-0x0000000075031000-memory.dmp

memory/4420-7-0x0000000074880000-0x0000000075031000-memory.dmp