Malware Analysis Report

2024-10-19 09:23

Sample ID 240612-cfp9ssycqc
Target b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe
SHA256 b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26
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

b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26

Threat Level: Known bad

The file b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe was found to be: Known bad.

Malicious Activity Summary

agenttesla keylogger spyware stealer trojan

AgentTesla

Detect packed .NET executables. Mostly AgentTeslaV4.

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

Detects executables referencing many file transfer clients. Observed in information stealers

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

Detects executables referencing many email and collaboration clients. Observed in information stealers

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Detects executables referencing Windows vault credential objects. Observed in infostealers

Reads user/profile data of local email clients

Reads WinSCP keys stored on the system

Reads user/profile data of web browsers

Looks up external IP address via web service

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-12 02:01

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-12 02:01

Reported

2024-06-12 02:03

Platform

win7-20240508-en

Max time kernel

121s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Detect packed .NET executables. Mostly AgentTeslaV4.

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

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

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

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

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

Detects executables referencing Windows vault credential objects. Observed in infostealers

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

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

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

Detects executables referencing many email and collaboration clients. Observed in information stealers

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

Detects executables referencing many file transfer clients. Observed in information stealers

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

Reads WinSCP keys stored on the system

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 AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1384 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe
PID 1384 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe
PID 1384 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe
PID 1384 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe
PID 1384 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe
PID 1384 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe
PID 1384 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe
PID 1384 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe
PID 1384 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe

"C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe"

C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe

"C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe"

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

Files

memory/1384-0-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

memory/1384-1-0x0000000000230000-0x00000000002F4000-memory.dmp

memory/1384-2-0x0000000074B30000-0x000000007521E000-memory.dmp

memory/1384-3-0x00000000003D0000-0x00000000003F2000-memory.dmp

memory/1384-4-0x00000000003F0000-0x0000000000400000-memory.dmp

memory/1384-5-0x0000000005BC0000-0x0000000005C44000-memory.dmp

memory/2352-6-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2352-10-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2352-18-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2352-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2352-12-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2352-20-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2352-16-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2352-8-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2352-21-0x0000000074B30000-0x000000007521E000-memory.dmp

memory/1384-22-0x0000000074B30000-0x000000007521E000-memory.dmp

memory/2352-23-0x0000000074B30000-0x000000007521E000-memory.dmp

memory/2352-24-0x0000000074B30000-0x000000007521E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 02:01

Reported

2024-06-12 02:03

Platform

win10v2004-20240508-en

Max time kernel

143s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Detect packed .NET executables. Mostly AgentTeslaV4.

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

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

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

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

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

Detects executables referencing Windows vault credential objects. Observed in infostealers

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

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

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

Detects executables referencing many email and collaboration clients. Observed in information stealers

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

Detects executables referencing many file transfer clients. Observed in information stealers

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

Reads WinSCP keys stored on the system

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 AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2900 wrote to memory of 4372 N/A C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe
PID 2900 wrote to memory of 4372 N/A C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe
PID 2900 wrote to memory of 4372 N/A C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe
PID 2900 wrote to memory of 4372 N/A C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe
PID 2900 wrote to memory of 4372 N/A C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe
PID 2900 wrote to memory of 4372 N/A C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe
PID 2900 wrote to memory of 4372 N/A C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe
PID 2900 wrote to memory of 4372 N/A C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe

"C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.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 --field-trial-handle=4604,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=4404 /prefetch:8

C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe

"C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe"

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/2900-0-0x0000000074B7E000-0x0000000074B7F000-memory.dmp

memory/2900-1-0x0000000000DF0000-0x0000000000EB4000-memory.dmp

memory/2900-2-0x0000000005E90000-0x0000000006434000-memory.dmp

memory/2900-3-0x00000000058E0000-0x0000000005972000-memory.dmp

memory/2900-4-0x00000000058C0000-0x00000000058CA000-memory.dmp

memory/2900-5-0x0000000074B70000-0x0000000075320000-memory.dmp

memory/2900-6-0x00000000084B0000-0x00000000084D2000-memory.dmp

memory/2900-7-0x00000000052D0000-0x00000000052E0000-memory.dmp

memory/2900-8-0x0000000006E00000-0x0000000006E84000-memory.dmp

memory/2900-9-0x0000000009970000-0x0000000009A0C000-memory.dmp

memory/4372-10-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2900-13-0x0000000074B70000-0x0000000075320000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe.log

MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

memory/4372-14-0x0000000074B70000-0x0000000075320000-memory.dmp

memory/4372-15-0x0000000005870000-0x00000000058D6000-memory.dmp

memory/4372-16-0x0000000074B70000-0x0000000075320000-memory.dmp

memory/4372-17-0x00000000070D0000-0x0000000007120000-memory.dmp

memory/4372-18-0x0000000074B70000-0x0000000075320000-memory.dmp