Malware Analysis Report

2025-08-05 16:17

Sample ID 240521-cdvrhaee36
Target 771c4c5692edbc7ce3294da2fc8e208dfd786ff83ba7751cf4ed0dd01625facb
SHA256 771c4c5692edbc7ce3294da2fc8e208dfd786ff83ba7751cf4ed0dd01625facb
Tags
agenttesla keylogger spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

771c4c5692edbc7ce3294da2fc8e208dfd786ff83ba7751cf4ed0dd01625facb

Threat Level: Known bad

The file 771c4c5692edbc7ce3294da2fc8e208dfd786ff83ba7751cf4ed0dd01625facb was found to be: Known bad.

Malicious Activity Summary

agenttesla keylogger spyware stealer trojan

AgentTesla

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-21 01:58

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-21 01:58

Reported

2024-05-21 02:00

Platform

win7-20240419-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3000 set thread context of 2556 N/A C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3000 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 3000 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 3000 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 3000 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 3000 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 3000 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 3000 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 3000 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 3000 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 3000 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe C:\Windows\system32\WerFault.exe
PID 3000 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe C:\Windows\system32\WerFault.exe
PID 3000 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe C:\Windows\system32\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe

"C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 3000 -s 624

Network

Country Destination Domain Proto
US 8.8.8.8:53 associatessystems.com udp
US 192.185.73.22:21 associatessystems.com tcp
US 192.185.73.22:38475 associatessystems.com tcp
US 192.185.73.22:39968 associatessystems.com tcp

Files

memory/3000-0-0x000007FEF5293000-0x000007FEF5294000-memory.dmp

memory/3000-1-0x0000000000140000-0x000000000014E000-memory.dmp

memory/3000-2-0x000007FEF5290000-0x000007FEF5C7C000-memory.dmp

memory/3000-3-0x000007FEF5290000-0x000007FEF5C7C000-memory.dmp

memory/3000-4-0x000007FEF5290000-0x000007FEF5C7C000-memory.dmp

memory/3000-5-0x000007FEF5290000-0x000007FEF5C7C000-memory.dmp

memory/3000-6-0x000000001AC80000-0x000000001AD14000-memory.dmp

memory/2556-7-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2556-13-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2556-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2556-11-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2556-10-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2556-9-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2556-17-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2556-15-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2556-18-0x0000000073F9E000-0x0000000073F9F000-memory.dmp

memory/2556-19-0x0000000073F90000-0x000000007467E000-memory.dmp

memory/3000-20-0x000007FEF5293000-0x000007FEF5294000-memory.dmp

memory/3000-21-0x000007FEF5290000-0x000007FEF5C7C000-memory.dmp

memory/2556-22-0x0000000073F9E000-0x0000000073F9F000-memory.dmp

memory/2556-23-0x0000000073F90000-0x000000007467E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-21 01:58

Reported

2024-05-21 02:00

Platform

win10v2004-20240426-en

Max time kernel

129s

Max time network

98s

Command Line

"C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1136 set thread context of 4976 N/A C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1136 wrote to memory of 5268 N/A C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 1136 wrote to memory of 5268 N/A C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 1136 wrote to memory of 5268 N/A C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 1136 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 1136 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 1136 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 1136 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 1136 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 1136 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 1136 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 1136 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 1136 wrote to memory of 5024 N/A C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 1136 wrote to memory of 5024 N/A C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 1136 wrote to memory of 5024 N/A C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe

Processes

C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe

"C:\Users\Admin\AppData\Local\Temp\sample order quotation.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"

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

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

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 associatessystems.com udp
US 192.185.73.22:21 associatessystems.com tcp
US 8.8.8.8:53 22.73.185.192.in-addr.arpa udp
US 192.185.73.22:49391 associatessystems.com tcp
US 192.185.73.22:40198 associatessystems.com tcp
US 192.185.73.22:37806 associatessystems.com tcp
US 192.185.73.22:32524 associatessystems.com tcp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.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 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp

Files

memory/1136-0-0x00007FFF334F3000-0x00007FFF334F5000-memory.dmp

memory/1136-1-0x000001F686380000-0x000001F68638E000-memory.dmp

memory/1136-2-0x00007FFF334F0000-0x00007FFF33FB1000-memory.dmp

memory/1136-3-0x00007FFF334F0000-0x00007FFF33FB1000-memory.dmp

memory/1136-4-0x000001F69EE30000-0x000001F69EEC4000-memory.dmp

memory/4976-5-0x0000000000400000-0x0000000000442000-memory.dmp

memory/4976-6-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

memory/4976-7-0x0000000005960000-0x0000000005F04000-memory.dmp

memory/4976-8-0x0000000005270000-0x00000000052D6000-memory.dmp

memory/4976-9-0x0000000074C70000-0x0000000075420000-memory.dmp

memory/1136-10-0x00007FFF334F0000-0x00007FFF33FB1000-memory.dmp

memory/4976-12-0x0000000006150000-0x00000000061EC000-memory.dmp

memory/4976-11-0x0000000006060000-0x00000000060B0000-memory.dmp

memory/4976-13-0x0000000006890000-0x0000000006922000-memory.dmp

memory/4976-14-0x0000000006870000-0x000000000687A000-memory.dmp

memory/4976-15-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

memory/4976-16-0x0000000074C70000-0x0000000075420000-memory.dmp