Malware Analysis Report

2024-11-30 06:43

Sample ID 240604-bywnvshd64
Target caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033
SHA256 caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033
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

caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033

Threat Level: Known bad

The file caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033 was found to be: Known bad.

Malicious Activity Summary

agenttesla keylogger spyware stealer trojan

AgentTesla

Looks up external IP address via web service

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-04 01:33

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-04 01:33

Reported

2024-06-04 01:36

Platform

win7-20240508-en

Max time kernel

121s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

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 AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033.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 2976 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2976 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2976 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2976 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2976 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2976 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2976 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2976 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2976 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2976 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2976 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2976 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

Processes

C:\Users\Admin\AppData\Local\Temp\caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033.exe

"C:\Users\Admin\AppData\Local\Temp\caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033.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 api.ipify.org udp
US 104.26.13.205:443 api.ipify.org tcp

Files

memory/2976-0-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

memory/2976-1-0x0000000000FA0000-0x000000000108C000-memory.dmp

memory/2976-2-0x0000000074B30000-0x000000007521E000-memory.dmp

memory/2976-3-0x00000000047B0000-0x00000000047F4000-memory.dmp

memory/2976-4-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

memory/2976-5-0x0000000074B30000-0x000000007521E000-memory.dmp

memory/2976-6-0x00000000005A0000-0x00000000005BA000-memory.dmp

memory/2976-7-0x00000000006C0000-0x00000000006C6000-memory.dmp

memory/2976-8-0x0000000074B30000-0x000000007521E000-memory.dmp

memory/2652-9-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2652-11-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2652-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2652-13-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2652-12-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2976-15-0x0000000074B30000-0x000000007521E000-memory.dmp

memory/2652-16-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2976-21-0x0000000074B30000-0x000000007521E000-memory.dmp

memory/2652-20-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2652-23-0x0000000074B30000-0x000000007521E000-memory.dmp

memory/2652-22-0x0000000074B30000-0x000000007521E000-memory.dmp

memory/2652-18-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2652-24-0x0000000074B30000-0x000000007521E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-04 01:33

Reported

2024-06-04 01:36

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

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 AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033.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 4188 wrote to memory of 1080 N/A C:\Users\Admin\AppData\Local\Temp\caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4188 wrote to memory of 1080 N/A C:\Users\Admin\AppData\Local\Temp\caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4188 wrote to memory of 1080 N/A C:\Users\Admin\AppData\Local\Temp\caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4188 wrote to memory of 1080 N/A C:\Users\Admin\AppData\Local\Temp\caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4188 wrote to memory of 1080 N/A C:\Users\Admin\AppData\Local\Temp\caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4188 wrote to memory of 1080 N/A C:\Users\Admin\AppData\Local\Temp\caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4188 wrote to memory of 1080 N/A C:\Users\Admin\AppData\Local\Temp\caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4188 wrote to memory of 1080 N/A C:\Users\Admin\AppData\Local\Temp\caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

Processes

C:\Users\Admin\AppData\Local\Temp\caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033.exe

"C:\Users\Admin\AppData\Local\Temp\caa2f58aaa8d47fefd6576268bded1cc8a5a834ce372b1bc0c32aaf1f3cc8033.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 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 api.ipify.org udp
US 104.26.12.205:443 api.ipify.org tcp
US 8.8.8.8:53 205.12.26.104.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.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 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 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 26.178.89.13.in-addr.arpa udp

Files

memory/4188-0-0x000000007449E000-0x000000007449F000-memory.dmp

memory/4188-1-0x0000000000FF0000-0x00000000010DC000-memory.dmp

memory/4188-2-0x0000000004C80000-0x0000000004D1C000-memory.dmp

memory/4188-3-0x00000000052D0000-0x0000000005874000-memory.dmp

memory/4188-4-0x0000000074490000-0x0000000074C40000-memory.dmp

memory/4188-5-0x0000000005D80000-0x0000000005DC4000-memory.dmp

memory/4188-6-0x0000000005EB0000-0x0000000005F42000-memory.dmp

memory/4188-7-0x0000000006050000-0x000000000605A000-memory.dmp

memory/4188-8-0x0000000074490000-0x0000000074C40000-memory.dmp

memory/4188-9-0x000000007449E000-0x000000007449F000-memory.dmp

memory/4188-10-0x0000000074490000-0x0000000074C40000-memory.dmp

memory/4188-11-0x0000000074490000-0x0000000074C40000-memory.dmp

memory/4188-12-0x0000000005CC0000-0x0000000005CDA000-memory.dmp

memory/4188-13-0x0000000005CE0000-0x0000000005CE6000-memory.dmp

memory/1080-14-0x0000000000400000-0x0000000000440000-memory.dmp

memory/4188-16-0x0000000074490000-0x0000000074C40000-memory.dmp

memory/1080-17-0x0000000074490000-0x0000000074C40000-memory.dmp

memory/1080-19-0x00000000052C0000-0x0000000005326000-memory.dmp

memory/1080-18-0x0000000074490000-0x0000000074C40000-memory.dmp

memory/1080-20-0x0000000008850000-0x00000000088A0000-memory.dmp

memory/1080-21-0x0000000074490000-0x0000000074C40000-memory.dmp