Malware Analysis Report

2024-11-30 05:45

Sample ID 240619-pb1wysvbmm
Target BID DOCUMENTS.exe
SHA256 92db2a8c9016383ace39beace9156fc9aea2c95313ad91a3eed5bf96329f8ba1
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

92db2a8c9016383ace39beace9156fc9aea2c95313ad91a3eed5bf96329f8ba1

Threat Level: Known bad

The file BID DOCUMENTS.exe was found to be: Known bad.

Malicious Activity Summary

agenttesla keylogger spyware stealer trojan

AgentTesla

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Reads WinSCP keys stored on the system

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-19 12:10

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-19 12:10

Reported

2024-06-19 12:12

Platform

win7-20240611-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.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 SetThreadContext

Description Indicator Process Target
PID 2332 set thread context of 2944 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2332 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2332 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2332 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2332 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2332 wrote to memory of 2944 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2332 wrote to memory of 2944 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2332 wrote to memory of 2944 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2332 wrote to memory of 2944 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2332 wrote to memory of 2944 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2332 wrote to memory of 2944 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2332 wrote to memory of 2944 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2332 wrote to memory of 2944 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2332 wrote to memory of 2944 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2332 wrote to memory of 2944 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2332 wrote to memory of 2944 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2332 wrote to memory of 2944 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2332 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\system32\WerFault.exe
PID 2332 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\system32\WerFault.exe
PID 2332 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\system32\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe

"C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2332 -s 640

Network

N/A

Files

memory/2332-0-0x000007FEF5843000-0x000007FEF5844000-memory.dmp

memory/2332-1-0x0000000000CF0000-0x0000000000CFA000-memory.dmp

memory/2332-2-0x0000000002100000-0x0000000002194000-memory.dmp

memory/2332-3-0x000007FEF5840000-0x000007FEF622C000-memory.dmp

memory/2944-4-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2944-6-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2944-8-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2944-11-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2944-13-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2944-9-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2944-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2944-15-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2332-16-0x000007FEF5843000-0x000007FEF5844000-memory.dmp

memory/2332-17-0x000007FEF5840000-0x000007FEF622C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-19 12:10

Reported

2024-06-19 12:12

Platform

win10v2004-20240226-en

Max time kernel

143s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.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 SetThreadContext

Description Indicator Process Target
PID 3016 set thread context of 2396 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3016 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 3016 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 3016 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 3016 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 3016 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 3016 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 3016 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 3016 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 3016 wrote to memory of 2248 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 3016 wrote to memory of 2248 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 3016 wrote to memory of 2248 N/A C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe

"C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.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=2924 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
GB 96.16.110.114:80 tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 112.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 239.249.30.184.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 35.15.31.184.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 142.250.178.10:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 pki.goog udp
US 8.8.8.8:53 pki.goog udp
US 216.239.32.29:80 pki.goog tcp
US 8.8.8.8:53 10.178.250.142.in-addr.arpa udp
US 8.8.8.8:53 29.32.239.216.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 241.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 105.193.132.51.in-addr.arpa udp

Files

memory/3016-0-0x00007FFCE8BB3000-0x00007FFCE8BB5000-memory.dmp

memory/3016-1-0x000001D84FAE0000-0x000001D84FAEA000-memory.dmp

memory/3016-2-0x00007FFCE8BB0000-0x00007FFCE9671000-memory.dmp

memory/3016-3-0x000001D86A110000-0x000001D86A1A4000-memory.dmp

memory/2396-4-0x0000000000400000-0x0000000000440000-memory.dmp

memory/3016-5-0x00007FFCE8BB0000-0x00007FFCE9671000-memory.dmp

memory/2396-6-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

memory/2396-7-0x0000000005780000-0x0000000005D24000-memory.dmp

memory/2396-8-0x0000000074AC0000-0x0000000075270000-memory.dmp

memory/2396-9-0x0000000005240000-0x00000000052A6000-memory.dmp

memory/2396-10-0x0000000005FD0000-0x0000000006020000-memory.dmp

memory/2396-11-0x00000000060C0000-0x0000000006152000-memory.dmp

memory/2396-12-0x0000000006060000-0x000000000606A000-memory.dmp

memory/2396-13-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

memory/2396-14-0x0000000074AC0000-0x0000000075270000-memory.dmp