agenttesla | 5b7b84c6ea994a0430b361242c0ee4b0f2f683dc499538f65b0c5a62968295a5

General

Target

Factura_PDF.exe
Size

584KB
MD5

e26e602e61a75c0e38fdf5bff1b109d0
SHA1

527c107ae874c9ca34396b30e1f0cbd263e4a20d
SHA256

238bdecceff568c7d9d8e80e466cb9ba2df600bd47e24e4c69b75cbe7104bf18
SHA512

37b3ffb19ad971d218e5b6a0cc9d58bb2c12dbdb94e5dbca956e086b92764aac6a46118c2cc7edc623f6b3cd8b51d8edd31a5a0cd26c3d799fdd24847e81b57f

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.lasauceda.com
Port:
587
Username:
[email protected]
Password:
sauceda2018Mx

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1568-61-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1568-62-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1568-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1568-64-0x000000000044726E-mapping.dmp	family_agenttesla
behavioral1/memory/1568-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1568-68-0x0000000000400000-0x000000000044C000-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:

Factura_PDF.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura_PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura_PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura_PDF.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Factura_PDF.exe

description pid process target process

PID 1308 set thread context of 1568 1308 Factura_PDF.exe Factura_PDF.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Factura_PDF.exeFactura_PDF.exe

pid process

1308 Factura_PDF.exe
1308 Factura_PDF.exe
1568 Factura_PDF.exe
1568 Factura_PDF.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Factura_PDF.exeFactura_PDF.exe

description pid process

Token: SeDebugPrivilege 1308 Factura_PDF.exe
Token: SeDebugPrivilege 1568 Factura_PDF.exe

description	pid	process	target process
PID 1308 set thread context of 1568	1308	Factura_PDF.exe	Factura_PDF.exe

pid	process
1308	Factura_PDF.exe
1308	Factura_PDF.exe
1568	Factura_PDF.exe
1568	Factura_PDF.exe

description	pid	process
Token: SeDebugPrivilege	1308	Factura_PDF.exe
Token: SeDebugPrivilege	1568	Factura_PDF.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Factura_PDF.exe

description	pid	process	target process
PID 1308 wrote to memory of 1568	1308	Factura_PDF.exe	Factura_PDF.exe
PID 1308 wrote to memory of 1568	1308	Factura_PDF.exe	Factura_PDF.exe
PID 1308 wrote to memory of 1568	1308	Factura_PDF.exe	Factura_PDF.exe
PID 1308 wrote to memory of 1568	1308	Factura_PDF.exe	Factura_PDF.exe
PID 1308 wrote to memory of 1568	1308	Factura_PDF.exe	Factura_PDF.exe
PID 1308 wrote to memory of 1568	1308	Factura_PDF.exe	Factura_PDF.exe
PID 1308 wrote to memory of 1568	1308	Factura_PDF.exe	Factura_PDF.exe
PID 1308 wrote to memory of 1568	1308	Factura_PDF.exe	Factura_PDF.exe
PID 1308 wrote to memory of 1568	1308	Factura_PDF.exe	Factura_PDF.exe

outlook_office_path 1 IoCs

Processes:

Factura_PDF.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura_PDF.exe

outlook_win_path 1 IoCs

Processes:

Factura_PDF.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura_PDF.exe

C:\Users\Admin\AppData\Local\Temp\Factura_PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Factura_PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1308

C:\Users\Admin\AppData\Local\Temp\Factura_PDF.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1568

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/1308-54-0x0000000000D20000-0x0000000000DB8000-memory.dmp

Filesize
608KB

Download
memory/1308-55-0x0000000000240000-0x0000000000248000-memory.dmp

Filesize
32KB

Download
memory/1308-56-0x0000000005250000-0x00000000052BE000-memory.dmp

Filesize
440KB

Download
memory/1308-57-0x0000000000C40000-0x0000000000C96000-memory.dmp

Filesize
344KB

Download
memory/1568-58-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1568-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1568-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1568-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1568-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1568-64-0x000000000044726E-mapping.dmp

Download
memory/1568-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1568-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1568-69-0x0000000075261000-0x0000000075263000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads