agenttesla | bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342 | Triage

Analysis

max time kernel
134s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
21-05-2022 01:38

Sharing

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General

Target

bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe
Size

388KB
MD5

54ea8a84f32926bccd4d9371aa32a2a7
SHA1

38c3a0d14279074d63ccd5a4edf915d87636d365
SHA256

bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342
SHA512

b18c3187223d5ef59201d80f7e3fae59e7658b4de3e3532193c9bd5ca1758946f7a4e0a64dfaa7409c0e77b04f5419c156f874d581980fe55e34257f5f818841

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.megaworldcorps.com
Port:
587
Username:
[email protected]
Password:
UBx@@re1

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4548-136-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

Email Collection

Processes:

bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe

description	pid	process	target process
PID 3160 set thread context of 4548	3160	bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe	bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe

pid	process
4548	bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe
4548	bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe

description pid process

Token: SeDebugPrivilege 4548 bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe

description	pid	process	target process
PID 3160 wrote to memory of 4548	3160	bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe	bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe
PID 3160 wrote to memory of 4548	3160	bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe	bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe
PID 3160 wrote to memory of 4548	3160	bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe	bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe
PID 3160 wrote to memory of 4548	3160	bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe	bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe
PID 3160 wrote to memory of 4548	3160	bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe	bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe
PID 3160 wrote to memory of 4548	3160	bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe	bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe
PID 3160 wrote to memory of 4548	3160	bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe	bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe
PID 3160 wrote to memory of 4548	3160	bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe	bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe

outlook_office_path 1 IoCs

Processes:

bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe

outlook_win_path 1 IoCs

Processes:

bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe

C:\Users\Admin\AppData\Local\Temp\bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe
"C:\Users\Admin\AppData\Local\Temp\bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3160

C:\Users\Admin\AppData\Local\Temp\bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4548

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\bee7335822adad100e62824cc28283de9513e8d3141752a7f52a0cbe8b2f0342.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/3160-130-0x0000000000BF0000-0x0000000000C58000-memory.dmp

Filesize
416KB

Download
memory/3160-131-0x0000000005C40000-0x00000000061E4000-memory.dmp

Filesize
5.6MB

Download
memory/3160-132-0x0000000005690000-0x0000000005722000-memory.dmp

Filesize
584KB

Download
memory/3160-133-0x0000000005600000-0x000000000560A000-memory.dmp

Filesize
40KB

Download
memory/3160-134-0x00000000058C0000-0x000000000595C000-memory.dmp

Filesize
624KB

Download
memory/4548-135-0x0000000000000000-mapping.dmp

Download
memory/4548-136-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4548-138-0x0000000005D40000-0x0000000005DA6000-memory.dmp

Filesize
408KB

Download
memory/4548-139-0x00000000069C0000-0x0000000006A10000-memory.dmp

Filesize
320KB

Download