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

Credentials

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

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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3096-134-0x0000000000400000-0x000000000044C000-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-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura_PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura_PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura_PDF.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Factura_PDF.exe

description pid process target process

PID 4100 set thread context of 3096 4100 Factura_PDF.exe Factura_PDF.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

Factura_PDF.exeFactura_PDF.exe

pid process

4100 Factura_PDF.exe
4100 Factura_PDF.exe
4100 Factura_PDF.exe
3096 Factura_PDF.exe
3096 Factura_PDF.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Factura_PDF.exeFactura_PDF.exe

description pid process

Token: SeDebugPrivilege 4100 Factura_PDF.exe
Token: SeDebugPrivilege 3096 Factura_PDF.exe

description	pid	process	target process
PID 4100 set thread context of 3096	4100	Factura_PDF.exe	Factura_PDF.exe

pid	process
4100	Factura_PDF.exe
4100	Factura_PDF.exe
4100	Factura_PDF.exe
3096	Factura_PDF.exe
3096	Factura_PDF.exe

description	pid	process
Token: SeDebugPrivilege	4100	Factura_PDF.exe
Token: SeDebugPrivilege	3096	Factura_PDF.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Factura_PDF.exe

description	pid	process	target process
PID 4100 wrote to memory of 3096	4100	Factura_PDF.exe	Factura_PDF.exe
PID 4100 wrote to memory of 3096	4100	Factura_PDF.exe	Factura_PDF.exe
PID 4100 wrote to memory of 3096	4100	Factura_PDF.exe	Factura_PDF.exe
PID 4100 wrote to memory of 3096	4100	Factura_PDF.exe	Factura_PDF.exe
PID 4100 wrote to memory of 3096	4100	Factura_PDF.exe	Factura_PDF.exe
PID 4100 wrote to memory of 3096	4100	Factura_PDF.exe	Factura_PDF.exe
PID 4100 wrote to memory of 3096	4100	Factura_PDF.exe	Factura_PDF.exe
PID 4100 wrote to memory of 3096	4100	Factura_PDF.exe	Factura_PDF.exe

outlook_office_path 1 IoCs

Processes:

Factura_PDF.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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-1-5-21-2632097139-1792035885-811742494-1000\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:4100

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:3096

Network

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Factura_PDF.exe.log
Filesize
611B

MD5
e09032fb626c6c1d10e2ab27b0278463

SHA1
a26ea328ef81ab53a9883f7b9c7d3998883eaf47

SHA256
1b834fc0faded24ae9665629c739742a2614784d62f96f9f982a6c678e916147

SHA512
2c341b371103d67fb0bd1e49a4a07b3037e3a304b914446c103de43f87370d584e666f0b93e2c28c776188e975cd95855bb3a1bc4ddbcac89acd62ec46cb5e35

Download Submit
memory/3096-133-0x0000000000000000-mapping.dmp

Download
memory/3096-134-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3096-136-0x0000000005820000-0x0000000005DC4000-memory.dmp

Filesize
5.6MB

Download
memory/3096-137-0x0000000006010000-0x0000000006076000-memory.dmp

Filesize
408KB

Download
memory/3096-138-0x0000000006750000-0x00000000067A0000-memory.dmp

Filesize
320KB

Download
memory/3096-139-0x0000000006610000-0x000000000661A000-memory.dmp

Filesize
40KB

Download
memory/4100-130-0x00000000005A0000-0x0000000000638000-memory.dmp

Filesize
608KB

Download
memory/4100-131-0x0000000004F90000-0x000000000502C000-memory.dmp

Filesize
624KB

Download
memory/4100-132-0x00000000051D0000-0x0000000005262000-memory.dmp

Filesize
584KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads