agenttesla | a8708f9bb7f87117fc8282b7f76173107afd7d7b37d4b6914977e39f7f1496ec

General

Target

FICHA DE DATOS pdf.exe
Size

401KB
MD5

f45c077196f15e15f1ab08be2ab1aae5
SHA1

2094a31d276ca2e80bb24bf9292bdc7204edeec9
SHA256

9926f8cdeb4894246b7db658d899feccfebcd4dce0cf55616712813cee8575b3
SHA512

576ddd23ee528817477a083b7a6acd1147cc6fad452066b92b143d3a9ade9527bb473926f01ebc04c62aaf0447e2823be4105f0d8965665ecd1ac45beedf1145
SSDEEP

12288:HEct8YY7bZ10b/Npc9tzj7wXIPQv6AFk:HEctPsjeNp6tLwgQ

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
lFAvm@p#@z92

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/1044-14-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1044-18-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1044-16-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1044-10-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1044-8-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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
T1552.001
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
T1552.001
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FICHA DE DATOS pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FICHA DE DATOS pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FICHA DE DATOS pdf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2424 set thread context of 1044	2424	FICHA DE DATOS pdf.exe	28

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FICHA DE DATOS pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FICHA DE DATOS pdf.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1044	FICHA DE DATOS pdf.exe
1044	FICHA DE DATOS pdf.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1044	FICHA DE DATOS pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1044	FICHA DE DATOS pdf.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 1044	2424	FICHA DE DATOS pdf.exe	28
PID 2424 wrote to memory of 1044	2424	FICHA DE DATOS pdf.exe	28
PID 2424 wrote to memory of 1044	2424	FICHA DE DATOS pdf.exe	28
PID 2424 wrote to memory of 1044	2424	FICHA DE DATOS pdf.exe	28
PID 2424 wrote to memory of 1044	2424	FICHA DE DATOS pdf.exe	28
PID 2424 wrote to memory of 1044	2424	FICHA DE DATOS pdf.exe	28
PID 2424 wrote to memory of 1044	2424	FICHA DE DATOS pdf.exe	28
PID 2424 wrote to memory of 1044	2424	FICHA DE DATOS pdf.exe	28
PID 2424 wrote to memory of 1044	2424	FICHA DE DATOS pdf.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FICHA DE DATOS pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FICHA DE DATOS pdf.exe

C:\Users\Admin\AppData\Local\Temp\FICHA DE DATOS pdf.exe
"C:\Users\Admin\AppData\Local\Temp\FICHA DE DATOS pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Users\Admin\AppData\Local\Temp\FICHA DE DATOS pdf.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1044-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1044-21-0x0000000074BF0000-0x000000007519B000-memory.dmp

Filesize
5.7MB

Download
memory/1044-10-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1044-8-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1044-4-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1044-14-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1044-18-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1044-16-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1044-24-0x0000000074BF0000-0x000000007519B000-memory.dmp

Filesize
5.7MB

Download
memory/1044-23-0x0000000074BF0000-0x000000007519B000-memory.dmp

Filesize
5.7MB

Download
memory/1044-22-0x0000000074BF0000-0x000000007519B000-memory.dmp

Filesize
5.7MB

Download
memory/1044-6-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1044-20-0x0000000074BF0000-0x000000007519B000-memory.dmp

Filesize
5.7MB

Download
memory/2424-2-0x0000000074BF0000-0x000000007519B000-memory.dmp

Filesize
5.7MB

Download
memory/2424-19-0x0000000074BF0000-0x000000007519B000-memory.dmp

Filesize
5.7MB

Download
memory/2424-3-0x0000000074BF0000-0x000000007519B000-memory.dmp

Filesize
5.7MB

Download
memory/2424-1-0x0000000074BF0000-0x000000007519B000-memory.dmp

Filesize
5.7MB

Download
memory/2424-0-0x0000000074BF1000-0x0000000074BF2000-memory.dmp

Filesize
4KB

Download

Analysis

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