agenttesla | 07e229d74b59da1650dbe3ac47284330e7b62ca01fe320735db67bebc793e6e4

General

Target

Openstaande_facturen.exe
Size

577KB
MD5

9abec385b5ee9ad3a7aafb06c34ec1bf
SHA1

57041b6d063ad480c44c9ce2ab3189eced697754
SHA256

07e229d74b59da1650dbe3ac47284330e7b62ca01fe320735db67bebc793e6e4
SHA512

240a568bbc95084253f722a5f3e07445520b9ea335cc28c32e8a4dd5252b502ba23a391753a42d46ac9b7891ea0a02a6d5325842f55aecba0fa33e01c192d7c0

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.gascuenca.es
Port:
587
Username:
angelmartinez@gascuenca.es
Password:
gasW204@Z7

Signatures

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

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1868-6-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1868-7-0x00000000004374FE-mapping.dmp	family_agenttesla
behavioral1/memory/1868-8-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1868-9-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

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

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

Data from Local System
T1005

Credentials in Files
T1081
Suspicious use of SetThreadContext 1 IoCs

Processes:

Openstaande_facturen.exe

description pid process target process

PID 1156 set thread context of 1868 1156 Openstaande_facturen.exe Openstaande_facturen.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Openstaande_facturen.exeOpenstaande_facturen.exe

pid process

1156 Openstaande_facturen.exe
1156 Openstaande_facturen.exe
1868 Openstaande_facturen.exe
1868 Openstaande_facturen.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Openstaande_facturen.exeOpenstaande_facturen.exe

description pid process

Token: SeDebugPrivilege 1156 Openstaande_facturen.exe
Token: SeDebugPrivilege 1868 Openstaande_facturen.exe

description	pid	process	target process
PID 1156 set thread context of 1868	1156	Openstaande_facturen.exe	Openstaande_facturen.exe

pid	process
1156	Openstaande_facturen.exe
1156	Openstaande_facturen.exe
1868	Openstaande_facturen.exe
1868	Openstaande_facturen.exe

description	pid	process
Token: SeDebugPrivilege	1156	Openstaande_facturen.exe
Token: SeDebugPrivilege	1868	Openstaande_facturen.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Openstaande_facturen.exe

description	pid	process	target process
PID 1156 wrote to memory of 1868	1156	Openstaande_facturen.exe	Openstaande_facturen.exe
PID 1156 wrote to memory of 1868	1156	Openstaande_facturen.exe	Openstaande_facturen.exe
PID 1156 wrote to memory of 1868	1156	Openstaande_facturen.exe	Openstaande_facturen.exe
PID 1156 wrote to memory of 1868	1156	Openstaande_facturen.exe	Openstaande_facturen.exe
PID 1156 wrote to memory of 1868	1156	Openstaande_facturen.exe	Openstaande_facturen.exe
PID 1156 wrote to memory of 1868	1156	Openstaande_facturen.exe	Openstaande_facturen.exe
PID 1156 wrote to memory of 1868	1156	Openstaande_facturen.exe	Openstaande_facturen.exe
PID 1156 wrote to memory of 1868	1156	Openstaande_facturen.exe	Openstaande_facturen.exe
PID 1156 wrote to memory of 1868	1156	Openstaande_facturen.exe	Openstaande_facturen.exe

C:\Users\Admin\AppData\Local\Temp\Openstaande_facturen.exe
"C:\Users\Admin\AppData\Local\Temp\Openstaande_facturen.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1156

C:\Users\Admin\AppData\Local\Temp\Openstaande_facturen.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1868

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

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1156-0-0x00000000739A0000-0x000000007408E000-memory.dmp

Filesize
6.9MB

Download
memory/1156-1-0x0000000000DA0000-0x0000000000DA1000-memory.dmp

Filesize
4KB

Download
memory/1156-3-0x00000000008C0000-0x00000000008CB000-memory.dmp

Filesize
44KB

Download
memory/1156-4-0x0000000005E10000-0x0000000005E63000-memory.dmp

Filesize
332KB

Download
memory/1156-5-0x0000000000AB0000-0x0000000000AFC000-memory.dmp

Filesize
304KB

Download
memory/1868-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1868-7-0x00000000004374FE-mapping.dmp

Download
memory/1868-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1868-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1868-10-0x00000000739A0000-0x000000007408E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing