agenttesla | 2d32807c973d629ca652f791cf01d802eca58b099fde691b4b33c7ae98cb7fb0

General

Target

Earing sample.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/2516-137-0x0000000000400000-0x000000000044C000-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

collection

Email Collection

T1114

Processes:

Earing sample.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	Earing sample.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Earing sample.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Earing sample.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Earing sample.exe

description pid process target process

PID 1472 set thread context of 2516 1472 Earing sample.exe Earing sample.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Earing sample.exeEaring sample.exe

pid process

1472 Earing sample.exe
1472 Earing sample.exe
2516 Earing sample.exe
2516 Earing sample.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Earing sample.exeEaring sample.exe

description pid process

Token: SeDebugPrivilege 1472 Earing sample.exe
Token: SeDebugPrivilege 2516 Earing sample.exe

description	pid	process	target process
PID 1472 set thread context of 2516	1472	Earing sample.exe	Earing sample.exe

pid	process
1472	Earing sample.exe
1472	Earing sample.exe
2516	Earing sample.exe
2516	Earing sample.exe

description	pid	process
Token: SeDebugPrivilege	1472	Earing sample.exe
Token: SeDebugPrivilege	2516	Earing sample.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Earing sample.exe

description	pid	process	target process
PID 1472 wrote to memory of 428	1472	Earing sample.exe	Earing sample.exe
PID 1472 wrote to memory of 428	1472	Earing sample.exe	Earing sample.exe
PID 1472 wrote to memory of 428	1472	Earing sample.exe	Earing sample.exe
PID 1472 wrote to memory of 2516	1472	Earing sample.exe	Earing sample.exe
PID 1472 wrote to memory of 2516	1472	Earing sample.exe	Earing sample.exe
PID 1472 wrote to memory of 2516	1472	Earing sample.exe	Earing sample.exe
PID 1472 wrote to memory of 2516	1472	Earing sample.exe	Earing sample.exe
PID 1472 wrote to memory of 2516	1472	Earing sample.exe	Earing sample.exe
PID 1472 wrote to memory of 2516	1472	Earing sample.exe	Earing sample.exe
PID 1472 wrote to memory of 2516	1472	Earing sample.exe	Earing sample.exe
PID 1472 wrote to memory of 2516	1472	Earing sample.exe	Earing sample.exe

outlook_office_path 1 IoCs

Processes:

Earing sample.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	Earing sample.exe

outlook_win_path 1 IoCs

Processes:

Earing sample.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	Earing sample.exe

C:\Users\Admin\AppData\Local\Temp\Earing sample.exe
"C:\Users\Admin\AppData\Local\Temp\Earing sample.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1472

C:\Users\Admin\AppData\Local\Temp\Earing sample.exe
"{path}"
2⤵
PID:428

C:\Users\Admin\AppData\Local\Temp\Earing sample.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2516

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/428-135-0x0000000000000000-mapping.dmp

Download
memory/1472-130-0x0000000000EF0000-0x0000000000F58000-memory.dmp

Filesize
416KB

Download
memory/1472-131-0x0000000005E90000-0x0000000006434000-memory.dmp

Filesize
5.6MB

Download
memory/1472-132-0x0000000005980000-0x0000000005A12000-memory.dmp

Filesize
584KB

Download
memory/1472-133-0x0000000005900000-0x000000000590A000-memory.dmp

Filesize
40KB

Download
memory/1472-134-0x0000000005C40000-0x0000000005CDC000-memory.dmp

Filesize
624KB

Download
memory/2516-136-0x0000000000000000-mapping.dmp

Download
memory/2516-137-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2516-138-0x0000000005DB0000-0x0000000005E16000-memory.dmp

Filesize
408KB

Download
memory/2516-139-0x0000000006260000-0x00000000062B0000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads