agenttesla | 162c036ca95919c3e108867142be132569f5b346fe98df4848d9ccf96bc08a76

General

Target

FACTURA ABRIL.exe
Size

411KB
MD5

355ef144068e962287ace0c6b449ea0f
SHA1

4672747248d1694f80791972f8d69be8674c5144
SHA256

900bf6c4cdf55297d7b0a205bf3cc771763bd163cdea9351080fb01714f4fc7d
SHA512

2b7b6c8575e1d37e0d09e8251c56cfda7a57094c60c1a6629f1d6dc197109168a049d27cfc481f839b515e6facc0fb75aeff5fa42466f26854706f9495424d46

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.segimar.es
Port:
587
Username:
segimar@segimar.es
Password:
marSegi15

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/1544-61-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1544-63-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1544-62-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1544-64-0x000000000044A25E-mapping.dmp	family_agenttesla
behavioral1/memory/1544-66-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1544-68-0x0000000000400000-0x0000000000450000-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 ABRIL.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FACTURA ABRIL.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FACTURA ABRIL.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FACTURA ABRIL.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

FACTURA ABRIL.exe

description pid process target process

PID 2004 set thread context of 1544 2004 FACTURA ABRIL.exe FACTURA ABRIL.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1652 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

FACTURA ABRIL.exeFACTURA ABRIL.exe

pid process

2004 FACTURA ABRIL.exe
1544 FACTURA ABRIL.exe
1544 FACTURA ABRIL.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

FACTURA ABRIL.exeFACTURA ABRIL.exe

description pid process

Token: SeDebugPrivilege 2004 FACTURA ABRIL.exe
Token: SeDebugPrivilege 1544 FACTURA ABRIL.exe

description	pid	process	target process
PID 2004 set thread context of 1544	2004	FACTURA ABRIL.exe	FACTURA ABRIL.exe

pid	process
1652	schtasks.exe

pid	process
2004	FACTURA ABRIL.exe
1544	FACTURA ABRIL.exe
1544	FACTURA ABRIL.exe

description	pid	process
Token: SeDebugPrivilege	2004	FACTURA ABRIL.exe
Token: SeDebugPrivilege	1544	FACTURA ABRIL.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

FACTURA ABRIL.exe

description	pid	process	target process
PID 2004 wrote to memory of 1652	2004	FACTURA ABRIL.exe	schtasks.exe
PID 2004 wrote to memory of 1652	2004	FACTURA ABRIL.exe	schtasks.exe
PID 2004 wrote to memory of 1652	2004	FACTURA ABRIL.exe	schtasks.exe
PID 2004 wrote to memory of 1652	2004	FACTURA ABRIL.exe	schtasks.exe
PID 2004 wrote to memory of 1544	2004	FACTURA ABRIL.exe	FACTURA ABRIL.exe
PID 2004 wrote to memory of 1544	2004	FACTURA ABRIL.exe	FACTURA ABRIL.exe
PID 2004 wrote to memory of 1544	2004	FACTURA ABRIL.exe	FACTURA ABRIL.exe
PID 2004 wrote to memory of 1544	2004	FACTURA ABRIL.exe	FACTURA ABRIL.exe
PID 2004 wrote to memory of 1544	2004	FACTURA ABRIL.exe	FACTURA ABRIL.exe
PID 2004 wrote to memory of 1544	2004	FACTURA ABRIL.exe	FACTURA ABRIL.exe
PID 2004 wrote to memory of 1544	2004	FACTURA ABRIL.exe	FACTURA ABRIL.exe
PID 2004 wrote to memory of 1544	2004	FACTURA ABRIL.exe	FACTURA ABRIL.exe
PID 2004 wrote to memory of 1544	2004	FACTURA ABRIL.exe	FACTURA ABRIL.exe

outlook_office_path 1 IoCs

Processes:

FACTURA ABRIL.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FACTURA ABRIL.exe

outlook_win_path 1 IoCs

Processes:

FACTURA ABRIL.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FACTURA ABRIL.exe

C:\Users\Admin\AppData\Local\Temp\FACTURA ABRIL.exe
"C:\Users\Admin\AppData\Local\Temp\FACTURA ABRIL.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2004

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kwsEUBYEusWzL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDD74.tmp"
2⤵
- Creates scheduled task(s)
PID:1652

C:\Users\Admin\AppData\Local\Temp\FACTURA ABRIL.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1544

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

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\Temp\tmpDD74.tmp
Filesize
1KB

MD5
e46464a80b838daf10a24be8b914e606

SHA1
5b604af5e4b1eda937953c988c7aa479511cd821

SHA256
28ab646f8642cf1513021932d5a2db2aff2a0063fca9948810e25372fca4ad12

SHA512
50ca3ade92eb1df8edd3b381ce6f1db7a660fa2523db0144dbd399ef4abb8a9840f4c29a84023d2675c5b70b8a1d27f211b04200e49379db2d92b0975b0375b3

Download Submit
memory/1544-61-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1544-58-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1544-59-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1544-63-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1544-62-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1544-64-0x000000000044A25E-mapping.dmp

Download
memory/1544-66-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1544-68-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1544-70-0x0000000074650000-0x0000000074BFB000-memory.dmp

Filesize
5.7MB

Download
memory/1652-56-0x0000000000000000-mapping.dmp

Download
memory/2004-55-0x0000000074650000-0x0000000074BFB000-memory.dmp

Filesize
5.7MB

Download
memory/2004-54-0x0000000075521000-0x0000000075523000-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