Malware Analysis Report

2024-11-30 04:12

Sample ID 240408-brbecace98
Target 626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850
SHA256 626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850
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

626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850

Threat Level: Known bad

The file 626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850 was found to be: Known bad.

Malicious Activity Summary

agenttesla keylogger spyware stealer trojan

AgentTesla

Reads WinSCP keys stored on the system

Reads user/profile data of web browsers

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-08 01:22

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-08 01:22

Reported

2024-04-08 01:24

Platform

win7-20240221-en

Max time kernel

119s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2584 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe
PID 2584 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe
PID 2584 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe
PID 2584 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe
PID 2584 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe
PID 2584 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe
PID 2584 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe
PID 2584 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe
PID 2584 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe

Processes

C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe

"C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe"

C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe

"C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe"

Network

N/A

Files

memory/2584-0-0x00000000000F0000-0x00000000001C0000-memory.dmp

memory/2584-1-0x0000000073FB0000-0x000000007469E000-memory.dmp

memory/2584-2-0x0000000000790000-0x00000000007D0000-memory.dmp

memory/2584-3-0x0000000000700000-0x0000000000712000-memory.dmp

memory/2584-4-0x0000000000830000-0x000000000083E000-memory.dmp

memory/2584-5-0x0000000005120000-0x00000000051BE000-memory.dmp

memory/2612-6-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2612-7-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2612-8-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2612-9-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2612-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2612-12-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2612-14-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2612-16-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2584-18-0x0000000073FB0000-0x000000007469E000-memory.dmp

memory/2612-17-0x0000000073FB0000-0x000000007469E000-memory.dmp

memory/2612-19-0x0000000000C60000-0x0000000000CA0000-memory.dmp

memory/2612-20-0x0000000073FB0000-0x000000007469E000-memory.dmp

memory/2612-21-0x0000000000C60000-0x0000000000CA0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-08 01:22

Reported

2024-04-08 01:24

Platform

win10v2004-20240319-en

Max time kernel

147s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 228 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe
PID 228 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe
PID 228 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe
PID 228 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe
PID 228 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe
PID 228 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe
PID 228 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe
PID 228 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe

Processes

C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe

"C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe"

C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe

"C:\Users\Admin\AppData\Local\Temp\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4132 --field-trial-handle=2260,i,4762972005863767630,9297428255150568035,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 21.114.53.23.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
NL 142.251.39.110:443 tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
NL 142.250.179.138:443 tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 mail.chairmanchairs.net udp
SG 148.66.137.21:587 mail.chairmanchairs.net tcp
US 8.8.8.8:53 21.137.66.148.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 24.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
DE 142.250.181.234:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 234.181.250.142.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.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 8.8.8.8:53 11.73.50.20.in-addr.arpa udp

Files

memory/228-0-0x0000000074960000-0x0000000075110000-memory.dmp

memory/228-1-0x0000000000BA0000-0x0000000000C70000-memory.dmp

memory/228-2-0x0000000005C30000-0x00000000061D4000-memory.dmp

memory/228-3-0x0000000005680000-0x0000000005712000-memory.dmp

memory/228-4-0x0000000005880000-0x0000000005890000-memory.dmp

memory/228-5-0x0000000005810000-0x000000000581A000-memory.dmp

memory/228-6-0x0000000005820000-0x0000000005832000-memory.dmp

memory/228-7-0x0000000005840000-0x000000000584E000-memory.dmp

memory/228-8-0x0000000005B40000-0x0000000005BDE000-memory.dmp

memory/228-9-0x00000000089B0000-0x0000000008A4C000-memory.dmp

memory/4516-10-0x0000000000400000-0x0000000000440000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\626b38978f47f29e45f43f77607f0cbf470bd125322f7f42fe1e23bb30786850.exe.log

MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

memory/4516-13-0x0000000074960000-0x0000000075110000-memory.dmp

memory/228-14-0x0000000074960000-0x0000000075110000-memory.dmp

memory/4516-15-0x0000000004FB0000-0x0000000004FC0000-memory.dmp

memory/4516-16-0x0000000005290000-0x00000000052F6000-memory.dmp

memory/4516-17-0x0000000006070000-0x00000000060C0000-memory.dmp

memory/4516-18-0x0000000074960000-0x0000000075110000-memory.dmp

memory/4516-19-0x0000000004FB0000-0x0000000004FC0000-memory.dmp