agenttesla | 45b7b124a50a35dda2128d0b2b7108cd09743ae218bf0972f1afa0bcbfe24258

General

Target

21e8e0ff64933e4a3527f1cbcd2ac4e18897c9dc34eb155ee4e425eeefd33e30.exe
Size

580KB
MD5

98ff92b99b1c9a9adcf26da229504f19
SHA1

7250a928c6806028101c0cc1d1fbc9fd095ffd73
SHA256

21e8e0ff64933e4a3527f1cbcd2ac4e18897c9dc34eb155ee4e425eeefd33e30
SHA512

c4b32d8121032ba3abcb7e72012a356ce6a80e0ac075a0afdc151072f6e31a6a43e0c1e053803fec10cf6683df1571569eaaf0c9185cb50818269fe4f762bdf3
SSDEEP

12288:+neB2gFraFjCtF8H4p+ftQ+QfDkZsv1JfwYNl/srRDtzSY:+nY22raFSm55ZZsXVErHz

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.valvulasthermovalve.cl
Port:
21
Username:
[email protected]
Password:
LILKOOLL14!!

Signatures

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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	21e8e0ff64933e4a3527f1cbcd2ac4e18897c9dc34eb155ee4e425eeefd33e30.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	21e8e0ff64933e4a3527f1cbcd2ac4e18897c9dc34eb155ee4e425eeefd33e30.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	21e8e0ff64933e4a3527f1cbcd2ac4e18897c9dc34eb155ee4e425eeefd33e30.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
31	api.ipify.org
32	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2472 set thread context of 4216	2472	21e8e0ff64933e4a3527f1cbcd2ac4e18897c9dc34eb155ee4e425eeefd33e30.exe	85

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4216	21e8e0ff64933e4a3527f1cbcd2ac4e18897c9dc34eb155ee4e425eeefd33e30.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2472 wrote to memory of 4216	2472	21e8e0ff64933e4a3527f1cbcd2ac4e18897c9dc34eb155ee4e425eeefd33e30.exe	85
PID 2472 wrote to memory of 4216	2472	21e8e0ff64933e4a3527f1cbcd2ac4e18897c9dc34eb155ee4e425eeefd33e30.exe	85
PID 2472 wrote to memory of 4216	2472	21e8e0ff64933e4a3527f1cbcd2ac4e18897c9dc34eb155ee4e425eeefd33e30.exe	85
PID 2472 wrote to memory of 4216	2472	21e8e0ff64933e4a3527f1cbcd2ac4e18897c9dc34eb155ee4e425eeefd33e30.exe	85
PID 2472 wrote to memory of 4216	2472	21e8e0ff64933e4a3527f1cbcd2ac4e18897c9dc34eb155ee4e425eeefd33e30.exe	85
PID 2472 wrote to memory of 4216	2472	21e8e0ff64933e4a3527f1cbcd2ac4e18897c9dc34eb155ee4e425eeefd33e30.exe	85
PID 2472 wrote to memory of 4216	2472	21e8e0ff64933e4a3527f1cbcd2ac4e18897c9dc34eb155ee4e425eeefd33e30.exe	85
PID 2472 wrote to memory of 4216	2472	21e8e0ff64933e4a3527f1cbcd2ac4e18897c9dc34eb155ee4e425eeefd33e30.exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	21e8e0ff64933e4a3527f1cbcd2ac4e18897c9dc34eb155ee4e425eeefd33e30.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	21e8e0ff64933e4a3527f1cbcd2ac4e18897c9dc34eb155ee4e425eeefd33e30.exe

C:\Users\Admin\AppData\Local\Temp\21e8e0ff64933e4a3527f1cbcd2ac4e18897c9dc34eb155ee4e425eeefd33e30.exe
"C:\Users\Admin\AppData\Local\Temp\21e8e0ff64933e4a3527f1cbcd2ac4e18897c9dc34eb155ee4e425eeefd33e30.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2472
- C:\Users\Admin\AppData\Local\Temp\21e8e0ff64933e4a3527f1cbcd2ac4e18897c9dc34eb155ee4e425eeefd33e30.exe
  "C:\Users\Admin\AppData\Local\Temp\21e8e0ff64933e4a3527f1cbcd2ac4e18897c9dc34eb155ee4e425eeefd33e30.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4216

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2472-132-0x00000000000D0000-0x0000000000166000-memory.dmp

Filesize
600KB

Download
memory/2472-133-0x00000000050D0000-0x0000000005674000-memory.dmp

Filesize
5.6MB

Download
memory/2472-134-0x0000000004B20000-0x0000000004BB2000-memory.dmp

Filesize
584KB

Download
memory/2472-135-0x0000000004B00000-0x0000000004B0A000-memory.dmp

Filesize
40KB

Download
memory/2472-136-0x0000000007540000-0x00000000075DC000-memory.dmp

Filesize
624KB

Download
memory/4216-138-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4216-139-0x0000000004E30000-0x0000000004E96000-memory.dmp

Filesize
408KB

Download
memory/4216-140-0x0000000006A50000-0x0000000006AA0000-memory.dmp

Filesize
320KB

Download
memory/4216-141-0x0000000006C70000-0x0000000006E32000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing