agenttesla | b7c3ab24696ff6ed6d059bb13ba92108109770e5d30bb3bfa77d34de7fa3ceea

General

Target

81c086e249101b2f7f623296738543eff2d419aed16713c522be56fdeb4f2ca1.exe
Size

321KB
MD5

ec2fc08a08fd29be6886f2eb9f9e2e19
SHA1

849f140e0af4156e7259679e6843de93583ccc01
SHA256

81c086e249101b2f7f623296738543eff2d419aed16713c522be56fdeb4f2ca1
SHA512

a82500a9ba2ffce55cb3927ba1bec874b06edf64a5bf0dc95e72f5831978d9324d29319df306181c75c258458c68f1015e4a1016a793d9b00407e6001c37edfc
SSDEEP

6144:J1XQakQMuFxbIBMPryJc3Nz7jCbT3Cdeh2kPYjj1rmauq:3XQa3bNyq3NzXCvCdMC

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.thereccorp.com
Port:
587
Username:
[email protected]
Password:
O@123456

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.thereccorp.com
Port:
587
Username:
[email protected]
Password:
O@123456
Email To:
[email protected]

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-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.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
18	api.ipify.org
19	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3376 set thread context of 832	3376	81c086e249101b2f7f623296738543eff2d419aed16713c522be56fdeb4f2ca1.exe	85

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	832	RegAsm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
832	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3376 wrote to memory of 832	3376	81c086e249101b2f7f623296738543eff2d419aed16713c522be56fdeb4f2ca1.exe	85
PID 3376 wrote to memory of 832	3376	81c086e249101b2f7f623296738543eff2d419aed16713c522be56fdeb4f2ca1.exe	85
PID 3376 wrote to memory of 832	3376	81c086e249101b2f7f623296738543eff2d419aed16713c522be56fdeb4f2ca1.exe	85
PID 3376 wrote to memory of 832	3376	81c086e249101b2f7f623296738543eff2d419aed16713c522be56fdeb4f2ca1.exe	85
PID 3376 wrote to memory of 832	3376	81c086e249101b2f7f623296738543eff2d419aed16713c522be56fdeb4f2ca1.exe	85
PID 3376 wrote to memory of 832	3376	81c086e249101b2f7f623296738543eff2d419aed16713c522be56fdeb4f2ca1.exe	85
PID 3376 wrote to memory of 832	3376	81c086e249101b2f7f623296738543eff2d419aed16713c522be56fdeb4f2ca1.exe	85
PID 3376 wrote to memory of 832	3376	81c086e249101b2f7f623296738543eff2d419aed16713c522be56fdeb4f2ca1.exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\81c086e249101b2f7f623296738543eff2d419aed16713c522be56fdeb4f2ca1.exe
"C:\Users\Admin\AppData\Local\Temp\81c086e249101b2f7f623296738543eff2d419aed16713c522be56fdeb4f2ca1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3376
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:832

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

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Downloads

memory/832-140-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/832-153-0x0000000004D70000-0x0000000004D80000-memory.dmp

Filesize
64KB

Download
memory/832-146-0x00000000068C0000-0x0000000006A82000-memory.dmp

Filesize
1.8MB

Download
memory/832-145-0x0000000006660000-0x00000000066B0000-memory.dmp

Filesize
320KB

Download
memory/832-144-0x00000000063A0000-0x00000000063AA000-memory.dmp

Filesize
40KB

Download
memory/832-143-0x0000000004D70000-0x0000000004D80000-memory.dmp

Filesize
64KB

Download
memory/832-142-0x0000000004D80000-0x0000000004DE6000-memory.dmp

Filesize
408KB

Download
memory/3376-136-0x0000000005200000-0x0000000005292000-memory.dmp

Filesize
584KB

Download
memory/3376-139-0x00000000052A0000-0x00000000052B0000-memory.dmp

Filesize
64KB

Download
memory/3376-138-0x00000000051D0000-0x00000000051EE000-memory.dmp

Filesize
120KB

Download
memory/3376-137-0x0000000005330000-0x00000000053A6000-memory.dmp

Filesize
472KB

Download
memory/3376-133-0x0000000000650000-0x00000000006A6000-memory.dmp

Filesize
344KB

Download
memory/3376-135-0x0000000005860000-0x0000000005E04000-memory.dmp

Filesize
5.6MB

Download
memory/3376-134-0x0000000005090000-0x000000000512C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads