Malware Analysis Report

2024-10-19 09:23

Sample ID 240612-cj5hwsydme
Target b3951089bb37cbdc49522fb1362c89c30692a0979d9931ed76b25f78963769c9
SHA256 b3951089bb37cbdc49522fb1362c89c30692a0979d9931ed76b25f78963769c9
Tags
agenttesla 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

b3951089bb37cbdc49522fb1362c89c30692a0979d9931ed76b25f78963769c9

Threat Level: Known bad

The file b3951089bb37cbdc49522fb1362c89c30692a0979d9931ed76b25f78963769c9 was found to be: Known bad.

Malicious Activity Summary

agenttesla keylogger spyware stealer trojan

AgentTesla

Reads user/profile data of local email clients

Reads WinSCP keys stored on the system

Reads data files stored by FTP clients

Reads user/profile data of web browsers

Looks up external IP address via web service

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-12 02:07

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-12 02:07

Reported

2024-06-12 02:09

Platform

win7-20240508-en

Max time kernel

117s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr" /S

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

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A
N/A ip-api.com N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2928 set thread context of 2616 N/A C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr N/A

Processes

C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr

"C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr" /S

C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr

"C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr"

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp
US 8.8.8.8:53 ip-api.com udp
US 8.8.8.8:53 mail.privateemail.com udp

Files

memory/2928-0-0x000000007419E000-0x000000007419F000-memory.dmp

memory/2928-1-0x00000000011E0000-0x00000000012A6000-memory.dmp

memory/2928-2-0x0000000074190000-0x000000007487E000-memory.dmp

memory/2928-3-0x0000000000450000-0x0000000000472000-memory.dmp

memory/2928-4-0x00000000003B0000-0x00000000003C0000-memory.dmp

memory/2928-5-0x000000000A1D0000-0x000000000A256000-memory.dmp

memory/2616-6-0x0000000000400000-0x0000000000444000-memory.dmp

memory/2616-10-0x0000000000400000-0x0000000000444000-memory.dmp

memory/2616-18-0x0000000000400000-0x0000000000444000-memory.dmp

memory/2616-16-0x0000000000400000-0x0000000000444000-memory.dmp

memory/2616-14-0x0000000000400000-0x0000000000444000-memory.dmp

memory/2928-20-0x0000000074190000-0x000000007487E000-memory.dmp

memory/2616-19-0x0000000074190000-0x000000007487E000-memory.dmp

memory/2616-21-0x0000000074190000-0x000000007487E000-memory.dmp

memory/2616-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2616-11-0x0000000000400000-0x0000000000444000-memory.dmp

memory/2616-8-0x0000000000400000-0x0000000000444000-memory.dmp

memory/2616-22-0x0000000074190000-0x000000007487E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 02:07

Reported

2024-06-12 02:09

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

54s

Command Line

"C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr" /S

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

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A
N/A api.ipify.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1856 set thread context of 4628 N/A C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1856 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr
PID 1856 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr
PID 1856 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr
PID 1856 wrote to memory of 4628 N/A C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr
PID 1856 wrote to memory of 4628 N/A C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr
PID 1856 wrote to memory of 4628 N/A C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr
PID 1856 wrote to memory of 4628 N/A C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr
PID 1856 wrote to memory of 4628 N/A C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr
PID 1856 wrote to memory of 4628 N/A C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr
PID 1856 wrote to memory of 4628 N/A C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr
PID 1856 wrote to memory of 4628 N/A C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr

Processes

C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr

"C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr" /S

C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr

"C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr"

C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr

"C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 api.ipify.org udp
US 8.8.8.8:53 ip-api.com udp

Files

memory/1856-0-0x000000007484E000-0x000000007484F000-memory.dmp

memory/1856-1-0x00000000006D0000-0x0000000000796000-memory.dmp

memory/1856-2-0x0000000005720000-0x0000000005CC4000-memory.dmp

memory/1856-3-0x0000000005170000-0x0000000005202000-memory.dmp

memory/1856-4-0x0000000005210000-0x000000000521A000-memory.dmp

memory/1856-5-0x0000000074840000-0x0000000074FF0000-memory.dmp

memory/1856-6-0x0000000005700000-0x0000000005722000-memory.dmp

memory/1856-7-0x0000000002B40000-0x0000000002B50000-memory.dmp

memory/1856-8-0x0000000006690000-0x0000000006716000-memory.dmp

memory/1856-9-0x000000000D5A0000-0x000000000D63C000-memory.dmp

memory/4628-10-0x0000000000400000-0x0000000000444000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SKMBT ref 11062024.scr.log

MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

memory/1856-13-0x0000000074840000-0x0000000074FF0000-memory.dmp

memory/4628-15-0x0000000005810000-0x0000000005876000-memory.dmp

memory/4628-16-0x0000000074840000-0x0000000074FF0000-memory.dmp

memory/4628-14-0x0000000074840000-0x0000000074FF0000-memory.dmp

memory/4628-17-0x0000000006F90000-0x0000000006FE0000-memory.dmp

memory/4628-18-0x0000000074840000-0x0000000074FF0000-memory.dmp