Malware Analysis Report

2024-11-13 14:28

Sample ID 240603-malpjaba6s
Target Description CALIPSO dd 26.03.2024.doc.lzh
SHA256 5a9c5ed46fc46eeb7a5a425d17825ff2e36334e4fd94917768298b0327aaf1a8
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

5a9c5ed46fc46eeb7a5a425d17825ff2e36334e4fd94917768298b0327aaf1a8

Threat Level: Known bad

The file Description CALIPSO dd 26.03.2024.doc.lzh was found to be: Known bad.

Malicious Activity Summary

agenttesla keylogger 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

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-03 10:15

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-03 10:15

Reported

2024-06-03 10:18

Platform

win7-20240221-en

Max time kernel

120s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.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 api.ipify.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1500 set thread context of 2916 N/A C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1500 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr
PID 1500 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr
PID 1500 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr
PID 1500 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr
PID 1500 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr
PID 1500 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr
PID 1500 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr
PID 1500 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr
PID 1500 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr

Processes

C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr

"C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr" /S

C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr

"C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr"

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/1500-0-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

memory/1500-1-0x0000000000CB0000-0x0000000000D88000-memory.dmp

memory/1500-2-0x0000000074A40000-0x000000007512E000-memory.dmp

memory/1500-3-0x0000000000550000-0x0000000000566000-memory.dmp

memory/1500-4-0x00000000005A0000-0x00000000005AE000-memory.dmp

memory/1500-5-0x00000000005B0000-0x00000000005C0000-memory.dmp

memory/1500-6-0x00000000049D0000-0x0000000004A52000-memory.dmp

memory/2916-15-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2916-19-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2916-17-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2916-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2916-11-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2916-9-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2916-7-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2916-8-0x0000000000400000-0x0000000000440000-memory.dmp

memory/1500-21-0x0000000074A40000-0x000000007512E000-memory.dmp

memory/2916-20-0x0000000074A40000-0x000000007512E000-memory.dmp

memory/2916-22-0x0000000074A40000-0x000000007512E000-memory.dmp

memory/2916-23-0x0000000074A40000-0x000000007512E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-03 10:15

Reported

2024-06-03 10:18

Platform

win10v2004-20240426-en

Max time kernel

115s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.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 api.ipify.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1472 set thread context of 4728 N/A C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1472 wrote to memory of 4728 N/A C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr
PID 1472 wrote to memory of 4728 N/A C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr
PID 1472 wrote to memory of 4728 N/A C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr
PID 1472 wrote to memory of 4728 N/A C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr
PID 1472 wrote to memory of 4728 N/A C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr
PID 1472 wrote to memory of 4728 N/A C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr
PID 1472 wrote to memory of 4728 N/A C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr
PID 1472 wrote to memory of 4728 N/A C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr

Processes

C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr

"C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr" /S

C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr

"C:\Users\Admin\AppData\Local\Temp\Description CALIPSO dd 26.03.2024.doc.scr"

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.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 8.8.8.8:53 205.13.26.104.in-addr.arpa udp
US 8.8.8.8:53 beirutrest.com udp
US 50.87.144.157:21 beirutrest.com tcp
US 50.87.144.157:47790 beirutrest.com tcp
US 8.8.8.8:53 157.144.87.50.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

memory/1472-0-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

memory/1472-1-0x0000000000A30000-0x0000000000B08000-memory.dmp

memory/1472-2-0x0000000005930000-0x0000000005ED4000-memory.dmp

memory/1472-3-0x0000000005420000-0x00000000054B2000-memory.dmp

memory/1472-4-0x00000000054C0000-0x0000000005814000-memory.dmp

memory/1472-5-0x0000000074A40000-0x00000000751F0000-memory.dmp

memory/1472-6-0x00000000058D0000-0x00000000058DA000-memory.dmp

memory/1472-7-0x0000000006080000-0x0000000006096000-memory.dmp

memory/1472-8-0x00000000060A0000-0x00000000060AE000-memory.dmp

memory/1472-9-0x00000000060B0000-0x00000000060C0000-memory.dmp

memory/1472-10-0x0000000006A30000-0x0000000006AB2000-memory.dmp

memory/1472-11-0x0000000009290000-0x000000000932C000-memory.dmp

memory/4728-12-0x0000000000400000-0x0000000000440000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Description CALIPSO dd 26.03.2024.doc.scr.log

MD5 b7b9acb869ccc7f7ecb5304ec0384dee
SHA1 6a90751c95817903ee833d59a0abbef425a613b3
SHA256 8cb00a15cd942a1861c573d86d6fb430512c8e2f80f6349f48b16b8709ca7aa4
SHA512 7bec881ac5f59ac26f1be1e7e26d63f040c06369de10c1c246e531a4395d27c335d9acc647ecdedb48ed37bdc2dc405a4cfc11762e1c00659a49be259eaf8764

memory/4728-15-0x0000000074A40000-0x00000000751F0000-memory.dmp

memory/1472-16-0x0000000074A40000-0x00000000751F0000-memory.dmp

memory/4728-17-0x0000000074A40000-0x00000000751F0000-memory.dmp

memory/4728-18-0x0000000005700000-0x0000000005766000-memory.dmp

memory/4728-19-0x0000000006DE0000-0x0000000006E30000-memory.dmp

memory/4728-20-0x0000000074A40000-0x00000000751F0000-memory.dmp