Malware Analysis Report

2025-03-14 22:30

Sample ID 240304-rjzpzacb3t
Target CNN.exe
SHA256 bc166cd7e28545d2f52b1cce3f2eafc4824b4b4252440859cc4b7286e95bd8b5
Tags
agenttesla keylogger persistence 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

bc166cd7e28545d2f52b1cce3f2eafc4824b4b4252440859cc4b7286e95bd8b5

Threat Level: Known bad

The file CNN.exe was found to be: Known bad.

Malicious Activity Summary

agenttesla keylogger persistence spyware stealer trojan

AgentTesla

Reads WinSCP keys stored on the system

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Looks up external IP address via web service

Adds Run key to start application

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-04 14:14

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-04 14:14

Reported

2024-03-04 14:16

Platform

win7-20240221-en

Max time kernel

119s

Max time network

133s

Command Line

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

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Reads WinSCP keys stored on the system

spyware stealer

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Windows\CurrentVersion\Run\mpTrle = "C:\\Users\\Admin\\AppData\\Roaming\\mpTrle\\mpTrle.exe" C:\Users\Admin\AppData\Local\Temp\CNN.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A
N/A api.ipify.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2008 set thread context of 2488 N/A C:\Users\Admin\AppData\Local\Temp\CNN.exe C:\Users\Admin\AppData\Local\Temp\CNN.exe

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp
US 104.26.12.205:443 api.ipify.org tcp

Files

memory/2008-0-0x0000000001330000-0x000000000139A000-memory.dmp

memory/2008-1-0x0000000074C00000-0x00000000752EE000-memory.dmp

memory/2008-2-0x00000000012B0000-0x00000000012F0000-memory.dmp

memory/2008-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

memory/2488-4-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2488-5-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2488-6-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2488-7-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2488-10-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2488-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2488-12-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2488-14-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2008-15-0x0000000074C00000-0x00000000752EE000-memory.dmp

memory/2488-16-0x0000000074C00000-0x00000000752EE000-memory.dmp

memory/2488-17-0x0000000004C40000-0x0000000004C80000-memory.dmp

memory/2488-19-0x0000000074C00000-0x00000000752EE000-memory.dmp

memory/2488-20-0x0000000004C40000-0x0000000004C80000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-04 14:14

Reported

2024-03-04 14:16

Platform

win10v2004-20240226-en

Max time kernel

103s

Max time network

113s

Command Line

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

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Reads WinSCP keys stored on the system

spyware stealer

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mpTrle = "C:\\Users\\Admin\\AppData\\Roaming\\mpTrle\\mpTrle.exe" C:\Users\Admin\AppData\Local\Temp\CNN.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A
N/A api.ipify.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4284 set thread context of 4084 N/A C:\Users\Admin\AppData\Local\Temp\CNN.exe C:\Users\Admin\AppData\Local\Temp\CNN.exe

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 api.ipify.org udp
US 104.26.13.205:443 api.ipify.org tcp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 205.13.26.104.in-addr.arpa udp
US 8.8.8.8:53 us2.smtp.mailhostbox.com udp
US 208.91.199.225:587 us2.smtp.mailhostbox.com tcp
US 8.8.8.8:53 225.199.91.208.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 204.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

memory/4284-0-0x0000000000620000-0x000000000068A000-memory.dmp

memory/4284-1-0x0000000074680000-0x0000000074E30000-memory.dmp

memory/4284-2-0x0000000005070000-0x0000000005080000-memory.dmp

memory/4084-3-0x0000000000400000-0x0000000000442000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\CNN.exe.log

MD5 84cfdb4b995b1dbf543b26b86c863adc
SHA1 d2f47764908bf30036cf8248b9ff5541e2711fa2
SHA256 d8988d672d6915b46946b28c06ad8066c50041f6152a91d37ffa5cf129cc146b
SHA512 485f0ed45e13f00a93762cbf15b4b8f996553baa021152fae5aba051e3736bcd3ca8f4328f0e6d9e3e1f910c96c4a9ae055331123ee08e3c2ce3a99ac2e177ce

memory/4284-4-0x0000000004FD0000-0x0000000004FD1000-memory.dmp

memory/4284-7-0x0000000074680000-0x0000000074E30000-memory.dmp

memory/4084-8-0x0000000074680000-0x0000000074E30000-memory.dmp

memory/4084-9-0x00000000058F0000-0x0000000005E94000-memory.dmp

memory/4084-10-0x0000000005330000-0x0000000005340000-memory.dmp

memory/4084-11-0x00000000052B0000-0x0000000005316000-memory.dmp

memory/4084-13-0x0000000006BB0000-0x0000000006C00000-memory.dmp

memory/4084-14-0x0000000006CA0000-0x0000000006D3C000-memory.dmp

memory/4084-15-0x0000000006DE0000-0x0000000006E72000-memory.dmp

memory/4084-16-0x0000000006D70000-0x0000000006D7A000-memory.dmp

memory/4084-17-0x0000000074680000-0x0000000074E30000-memory.dmp

memory/4084-18-0x0000000005330000-0x0000000005340000-memory.dmp