Malware Analysis Report

2025-06-16 02:14

Sample ID 240122-abkgmscbfm
Target 6e2fb9abe3419002ed655109d4ec85f5
SHA256 fa725ece6f7cf6149d8b5a637f9f254efb105e184276666ba07ef9812564626b
Tags
persistence asyncrat default rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

fa725ece6f7cf6149d8b5a637f9f254efb105e184276666ba07ef9812564626b

Threat Level: Known bad

The file 6e2fb9abe3419002ed655109d4ec85f5 was found to be: Known bad.

Malicious Activity Summary

persistence asyncrat default rat

AsyncRat

Async RAT payload

Adds Run key to start application

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-22 00:02

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-22 00:02

Reported

2024-01-22 00:04

Platform

win7-20231215-en

Max time kernel

120s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\HWMonitor = "C:\\Users\\Admin\\AppData\\Roaming\\HWMonitor\\HWMonitor.exe" C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1848 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1848 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1848 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1848 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1848 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1848 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1848 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1848 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1848 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1848 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1848 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1848 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1848 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1848 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1848 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1848 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1848 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1848 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1848 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe

"C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"powershell.exe" Remove-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'HWMonitor';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'HWMonitor' -Value '"C:\Users\Admin\AppData\Roaming\HWMonitor\HWMonitor.exe"' -PropertyType 'String'

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

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

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

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

Network

N/A

Files

memory/1848-0-0x0000000000060000-0x00000000000A2000-memory.dmp

memory/1848-1-0x0000000074880000-0x0000000074F6E000-memory.dmp

memory/1848-2-0x0000000004900000-0x0000000004940000-memory.dmp

memory/1848-3-0x0000000074880000-0x0000000074F6E000-memory.dmp

memory/1848-4-0x0000000004900000-0x0000000004940000-memory.dmp

memory/1848-5-0x0000000000380000-0x0000000000396000-memory.dmp

memory/2648-7-0x0000000000400000-0x0000000000412000-memory.dmp

memory/2648-9-0x0000000000400000-0x0000000000412000-memory.dmp

memory/2756-13-0x000000006F680000-0x000000006FC2B000-memory.dmp

memory/2756-14-0x0000000002650000-0x0000000002690000-memory.dmp

memory/2756-15-0x000000006F680000-0x000000006FC2B000-memory.dmp

memory/2756-16-0x0000000002650000-0x0000000002690000-memory.dmp

memory/2756-17-0x000000006F680000-0x000000006FC2B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-22 00:02

Reported

2024-01-22 00:04

Platform

win10v2004-20231215-en

Max time kernel

150s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe"

Signatures

AsyncRat

rat asyncrat

Async RAT payload

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HWMonitor = "C:\\Users\\Admin\\AppData\\Roaming\\HWMonitor\\HWMonitor.exe" C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3048 set thread context of 2972 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3048 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3048 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3048 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3048 wrote to memory of 2972 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 3048 wrote to memory of 2972 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 3048 wrote to memory of 2972 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 3048 wrote to memory of 2972 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 3048 wrote to memory of 2972 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 3048 wrote to memory of 2972 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 3048 wrote to memory of 2972 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 3048 wrote to memory of 2972 N/A C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe

"C:\Users\Admin\AppData\Local\Temp\6e2fb9abe3419002ed655109d4ec85f5.exe"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"powershell.exe" Remove-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'HWMonitor';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'HWMonitor' -Value '"C:\Users\Admin\AppData\Roaming\HWMonitor\HWMonitor.exe"' -PropertyType 'String'

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 138.91.171.81:80 tcp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
SG 45.76.155.94:6606 tcp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
SG 45.76.155.94:6606 tcp
SG 45.76.155.94:8808 tcp
SG 45.76.155.94:7707 tcp
SG 45.76.155.94:7707 tcp
SG 45.76.155.94:7707 tcp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
SG 45.76.155.94:6606 tcp
SG 45.76.155.94:7707 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
SG 45.76.155.94:6606 tcp
SG 45.76.155.94:8808 tcp
SG 45.76.155.94:6606 tcp
SG 45.76.155.94:8808 tcp
SG 45.76.155.94:6606 tcp
SG 45.76.155.94:8808 tcp
SG 45.76.155.94:8808 tcp
SG 45.76.155.94:8808 tcp

Files

memory/3048-0-0x00000000000B0000-0x00000000000F2000-memory.dmp

memory/3048-1-0x0000000074790000-0x0000000074F40000-memory.dmp

memory/3048-2-0x0000000005090000-0x0000000005634000-memory.dmp

memory/3048-3-0x0000000004AE0000-0x0000000004B72000-memory.dmp

memory/3048-4-0x0000000004D30000-0x0000000004D40000-memory.dmp

memory/3048-5-0x0000000004CA0000-0x0000000004CAA000-memory.dmp

memory/3048-6-0x0000000004D40000-0x0000000004DB6000-memory.dmp

memory/3048-7-0x0000000074790000-0x0000000074F40000-memory.dmp

memory/3048-8-0x0000000004D30000-0x0000000004D40000-memory.dmp

memory/3048-9-0x0000000004C90000-0x0000000004CA6000-memory.dmp

memory/3048-10-0x0000000004E00000-0x0000000004E1E000-memory.dmp

memory/2972-12-0x0000000000400000-0x0000000000412000-memory.dmp

memory/1832-16-0x0000000002F30000-0x0000000002F40000-memory.dmp

memory/1832-15-0x0000000002F40000-0x0000000002F76000-memory.dmp

memory/3048-18-0x0000000074790000-0x0000000074F40000-memory.dmp

memory/1832-19-0x0000000002F30000-0x0000000002F40000-memory.dmp

memory/2972-17-0x0000000074790000-0x0000000074F40000-memory.dmp

memory/1832-14-0x0000000074790000-0x0000000074F40000-memory.dmp

memory/1832-20-0x0000000005BA0000-0x00000000061C8000-memory.dmp

memory/1832-21-0x0000000005970000-0x0000000005992000-memory.dmp

memory/1832-28-0x0000000006240000-0x00000000062A6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_13i5tat1.eoh.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/1832-22-0x0000000005A90000-0x0000000005AF6000-memory.dmp

memory/1832-33-0x00000000062B0000-0x0000000006604000-memory.dmp

memory/1832-34-0x0000000006830000-0x000000000684E000-memory.dmp

memory/1832-35-0x00000000068E0000-0x000000000692C000-memory.dmp

memory/1832-38-0x0000000006D60000-0x0000000006D82000-memory.dmp

memory/1832-37-0x0000000006D10000-0x0000000006D2A000-memory.dmp

memory/1832-36-0x0000000007840000-0x00000000078D6000-memory.dmp

memory/1832-41-0x0000000074790000-0x0000000074F40000-memory.dmp

memory/2972-42-0x0000000005510000-0x0000000005520000-memory.dmp

memory/2972-43-0x0000000074790000-0x0000000074F40000-memory.dmp

memory/2972-44-0x0000000005510000-0x0000000005520000-memory.dmp