agenttesla | c85db40f5edf7fb409e5a1927f6f95f28691a745ae4785e693500a496ee1426f

General

Target

DOCUMENT.exe
Size

461KB
MD5

9ee9263383da724d950b4d20344ad1fb
SHA1

4a9892fd20c25ba6fa5775a0c06b4fb634267291
SHA256

ca1bd575c42ce30ba0cb7bda8abfc2976c3781327c4881830b51dbc88e6eb7de
SHA512

813ffaac5c95948747ff8999f4b3eca22c86e84aeafde24c836882e00a4ffe9838cd43844baf8ef11b6ea0ea16334a13029cbf898b898f6ff2a54135a1f3fb5b

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.kalatecnic.com
Port:
587
Username:
[email protected]
Password:
Barcelona08397

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/552-135-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

DOCUMENT.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	DOCUMENT.exe

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:

DOCUMENT.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DOCUMENT.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DOCUMENT.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DOCUMENT.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

DOCUMENT.exe

description pid process target process

PID 1876 set thread context of 552 1876 DOCUMENT.exe DOCUMENT.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

520 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

DOCUMENT.exeDOCUMENT.exe

pid process

1876 DOCUMENT.exe
1876 DOCUMENT.exe
1876 DOCUMENT.exe
552 DOCUMENT.exe
552 DOCUMENT.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

DOCUMENT.exeDOCUMENT.exe

description pid process

Token: SeDebugPrivilege 1876 DOCUMENT.exe
Token: SeDebugPrivilege 552 DOCUMENT.exe

description	pid	process	target process
PID 1876 set thread context of 552	1876	DOCUMENT.exe	DOCUMENT.exe

pid	process
520	schtasks.exe

pid	process
1876	DOCUMENT.exe
1876	DOCUMENT.exe
1876	DOCUMENT.exe
552	DOCUMENT.exe
552	DOCUMENT.exe

description	pid	process
Token: SeDebugPrivilege	1876	DOCUMENT.exe
Token: SeDebugPrivilege	552	DOCUMENT.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

DOCUMENT.exeDOCUMENT.exe

description	pid	process	target process
PID 1876 wrote to memory of 520	1876	DOCUMENT.exe	schtasks.exe
PID 1876 wrote to memory of 520	1876	DOCUMENT.exe	schtasks.exe
PID 1876 wrote to memory of 520	1876	DOCUMENT.exe	schtasks.exe
PID 1876 wrote to memory of 460	1876	DOCUMENT.exe	DOCUMENT.exe
PID 1876 wrote to memory of 460	1876	DOCUMENT.exe	DOCUMENT.exe
PID 1876 wrote to memory of 460	1876	DOCUMENT.exe	DOCUMENT.exe
PID 1876 wrote to memory of 552	1876	DOCUMENT.exe	DOCUMENT.exe
PID 1876 wrote to memory of 552	1876	DOCUMENT.exe	DOCUMENT.exe
PID 1876 wrote to memory of 552	1876	DOCUMENT.exe	DOCUMENT.exe
PID 1876 wrote to memory of 552	1876	DOCUMENT.exe	DOCUMENT.exe
PID 1876 wrote to memory of 552	1876	DOCUMENT.exe	DOCUMENT.exe
PID 1876 wrote to memory of 552	1876	DOCUMENT.exe	DOCUMENT.exe
PID 1876 wrote to memory of 552	1876	DOCUMENT.exe	DOCUMENT.exe
PID 1876 wrote to memory of 552	1876	DOCUMENT.exe	DOCUMENT.exe
PID 552 wrote to memory of 3108	552	DOCUMENT.exe	netsh.exe
PID 552 wrote to memory of 3108	552	DOCUMENT.exe	netsh.exe
PID 552 wrote to memory of 3108	552	DOCUMENT.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

DOCUMENT.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	DOCUMENT.exe

outlook_win_path 1 IoCs

Processes:

DOCUMENT.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	DOCUMENT.exe

C:\Users\Admin\AppData\Local\Temp\DOCUMENT.exe
"C:\Users\Admin\AppData\Local\Temp\DOCUMENT.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1876

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jWFjKXKs" /XML "C:\Users\Admin\AppData\Local\Temp\tmp105B.tmp"
2⤵
- Creates scheduled task(s)
PID:520

C:\Users\Admin\AppData\Local\Temp\DOCUMENT.exe
"{path}"
2⤵
PID:460

C:\Users\Admin\AppData\Local\Temp\DOCUMENT.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:552

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:3108

Network

MITRE ATT&CK Enterprise 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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp105B.tmp
Filesize
1KB

MD5
35b3c62d70893791046782163402b013

SHA1
8ed5dab038747da63e537ffdb7ed3be4852e4490

SHA256
d0d1c49bc74f71243e02f3d5a1ae767485cb2b5d3c74ebb1913b50a39233e57d

SHA512
3fb11dc6756f151fe1ee33d67aaec9fbf7024979a60f3a4a69e010bcb838730a4af5819e497458324e44bc5391a78d42eb5630d59fa18b25c87f2875a4762ad6

Download Submit
memory/460-133-0x0000000000000000-mapping.dmp

Download
memory/520-131-0x0000000000000000-mapping.dmp

Download
memory/552-134-0x0000000000000000-mapping.dmp

Download
memory/552-135-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/552-136-0x0000000074C20000-0x00000000751D1000-memory.dmp

Filesize
5.7MB

Download
memory/1876-130-0x0000000074C20000-0x00000000751D1000-memory.dmp

Filesize
5.7MB

Download
memory/3108-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads