agenttesla | 5e1daf38670154cb7700b046673255609c6b7ff7e8c518e4186d86403d3ab713

General

Target

COMPROBA.BAT.exe
Size

735KB
MD5

82e1d03d8c42186ee9816ebbb7a71e78
SHA1

a363c459629fca6487c6f2b8265ff2cbb016d628
SHA256

5e1daf38670154cb7700b046673255609c6b7ff7e8c518e4186d86403d3ab713
SHA512

5af977aabf13f1ee37dcbcdeab72b21e05300604557f937650ec48f1f6e104fdeede56f3ea7a52c30d7a60e8f31046c0ae6debaa5b2d173af8f1e1a7f88355fc

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mudanzasdistintas.com.ar
Port:
587
Username:
droid@mudanzasdistintas.com.ar
Password:
icui4cu2@@

Signatures

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

AgentTesla Payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1828-62-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1828-63-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1828-65-0x0000000000436DCE-mapping.dmp	family_agenttesla
behavioral1/memory/1828-64-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1828-66-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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:

COMPROBA.BAT.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	COMPROBA.BAT.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	COMPROBA.BAT.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	COMPROBA.BAT.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

COMPROBA.BAT.exe

description pid process target process

PID 1736 set thread context of 1828 1736 COMPROBA.BAT.exe COMPROBA.BAT.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

COMPROBA.BAT.exe

pid process

1828 COMPROBA.BAT.exe
1828 COMPROBA.BAT.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

COMPROBA.BAT.exe

description pid process

Token: SeDebugPrivilege 1828 COMPROBA.BAT.exe

description	pid	process	target process
PID 1736 set thread context of 1828	1736	COMPROBA.BAT.exe	COMPROBA.BAT.exe

pid	process
1828	COMPROBA.BAT.exe
1828	COMPROBA.BAT.exe

description	pid	process
Token: SeDebugPrivilege	1828	COMPROBA.BAT.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

COMPROBA.BAT.exe

description	pid	process	target process
PID 1736 wrote to memory of 1828	1736	COMPROBA.BAT.exe	COMPROBA.BAT.exe
PID 1736 wrote to memory of 1828	1736	COMPROBA.BAT.exe	COMPROBA.BAT.exe
PID 1736 wrote to memory of 1828	1736	COMPROBA.BAT.exe	COMPROBA.BAT.exe
PID 1736 wrote to memory of 1828	1736	COMPROBA.BAT.exe	COMPROBA.BAT.exe
PID 1736 wrote to memory of 1828	1736	COMPROBA.BAT.exe	COMPROBA.BAT.exe
PID 1736 wrote to memory of 1828	1736	COMPROBA.BAT.exe	COMPROBA.BAT.exe
PID 1736 wrote to memory of 1828	1736	COMPROBA.BAT.exe	COMPROBA.BAT.exe
PID 1736 wrote to memory of 1828	1736	COMPROBA.BAT.exe	COMPROBA.BAT.exe
PID 1736 wrote to memory of 1828	1736	COMPROBA.BAT.exe	COMPROBA.BAT.exe

outlook_office_path 1 IoCs

Processes:

COMPROBA.BAT.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	COMPROBA.BAT.exe

outlook_win_path 1 IoCs

Processes:

COMPROBA.BAT.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	COMPROBA.BAT.exe

C:\Users\Admin\AppData\Local\Temp\COMPROBA.BAT.exe
"C:\Users\Admin\AppData\Local\Temp\COMPROBA.BAT.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1736

C:\Users\Admin\AppData\Local\Temp\COMPROBA.BAT.exe
"C:\Users\Admin\AppData\Local\Temp\COMPROBA.BAT.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1828

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/1736-55-0x0000000001350000-0x0000000001351000-memory.dmp

Filesize
4KB

Download
memory/1736-57-0x0000000007390000-0x0000000007391000-memory.dmp

Filesize
4KB

Download
memory/1736-58-0x00000000004B0000-0x00000000004B7000-memory.dmp

Filesize
28KB

Download
memory/1736-59-0x0000000004AE0000-0x0000000004B37000-memory.dmp

Filesize
348KB

Download
memory/1828-60-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1828-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1828-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1828-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1828-65-0x0000000000436DCE-mapping.dmp

Download
memory/1828-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1828-66-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1828-68-0x0000000004C60000-0x0000000004C61000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads