agenttesla | 9bfe2c11d472fbbdec8e7b55e3f8661e33bf5982f849b05499d66014987e1569

General

Target

ORDER#5944395-pdf.exe
Size

881KB
MD5

5578bd24e91c617132e8a8d0a5219caa
SHA1

4890cd06069deea13c871a6065ecd636ec1d5c8a
SHA256

c50b6d3d8c54a8026808011f937f25e8a820c31839668fa235b99c198fc9f0aa
SHA512

237fd661117a2876629fa008ac0e699686d623211fba248b6f96e86d1aa94629f2e355f7e6ac5237eef541b007e1b1e79a426e43772bb33b5aedde2bd68ecba8

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

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/4328-135-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla

Executes dropped EXE 1 IoCs

Processes:

RegAsm.exe

pid process

4328 RegAsm.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

pid	process
4328	RegAsm.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

ORDER#5944395-pdf.exe

description pid process target process

PID 4848 set thread context of 4328 4848 ORDER#5944395-pdf.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

ORDER#5944395-pdf.exeRegAsm.exe

pid process

4848 ORDER#5944395-pdf.exe
4328 RegAsm.exe
4328 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ORDER#5944395-pdf.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 4848 ORDER#5944395-pdf.exe
Token: SeDebugPrivilege 4328 RegAsm.exe

description	pid	process	target process
PID 4848 set thread context of 4328	4848	ORDER#5944395-pdf.exe	RegAsm.exe

pid	process
4848	ORDER#5944395-pdf.exe
4328	RegAsm.exe
4328	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	4848	ORDER#5944395-pdf.exe
Token: SeDebugPrivilege	4328	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

ORDER#5944395-pdf.exe

description	pid	process	target process
PID 4848 wrote to memory of 4328	4848	ORDER#5944395-pdf.exe	RegAsm.exe
PID 4848 wrote to memory of 4328	4848	ORDER#5944395-pdf.exe	RegAsm.exe
PID 4848 wrote to memory of 4328	4848	ORDER#5944395-pdf.exe	RegAsm.exe
PID 4848 wrote to memory of 4328	4848	ORDER#5944395-pdf.exe	RegAsm.exe
PID 4848 wrote to memory of 4328	4848	ORDER#5944395-pdf.exe	RegAsm.exe
PID 4848 wrote to memory of 4328	4848	ORDER#5944395-pdf.exe	RegAsm.exe
PID 4848 wrote to memory of 4328	4848	ORDER#5944395-pdf.exe	RegAsm.exe
PID 4848 wrote to memory of 4328	4848	ORDER#5944395-pdf.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.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	RegAsm.exe

outlook_win_path 1 IoCs

Processes:

RegAsm.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	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\ORDER#5944395-pdf.exe
"C:\Users\Admin\AppData\Local\Temp\ORDER#5944395-pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4848

C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
"C:\Users\Admin\AppData\Local\Temp\RegAsm.exe"
2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4328

Network

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

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
Filesize
63KB

MD5
0d5df43af2916f47d00c1573797c1a13

SHA1
230ab5559e806574d26b4c20847c368ed55483b0

SHA256
c066aee7aa3aa83f763ebc5541daa266ed6c648fbffcde0d836a13b221bb2adc

SHA512
f96cf9e1890746b12daf839a6d0f16f062b72c1b8a40439f96583f242980f10f867720232a6fa0f7d4d7ac0a7a6143981a5a130d6417ea98b181447134c7cfe2

Download Submit
C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
Filesize
63KB

MD5
0d5df43af2916f47d00c1573797c1a13

SHA1
230ab5559e806574d26b4c20847c368ed55483b0

SHA256
c066aee7aa3aa83f763ebc5541daa266ed6c648fbffcde0d836a13b221bb2adc

SHA512
f96cf9e1890746b12daf839a6d0f16f062b72c1b8a40439f96583f242980f10f867720232a6fa0f7d4d7ac0a7a6143981a5a130d6417ea98b181447134c7cfe2

Download Submit
memory/4328-134-0x0000000000000000-mapping.dmp

Download
memory/4328-135-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/4328-138-0x00000000053B0000-0x000000000544C000-memory.dmp

Filesize
624KB

Download
memory/4328-139-0x00000000060C0000-0x0000000006126000-memory.dmp

Filesize
408KB

Download
memory/4328-140-0x0000000006740000-0x0000000006790000-memory.dmp

Filesize
320KB

Download
memory/4328-141-0x0000000006730000-0x000000000673A000-memory.dmp

Filesize
40KB

Download
memory/4848-130-0x00000000001B0000-0x0000000000292000-memory.dmp

Filesize
904KB

Download
memory/4848-131-0x0000000005920000-0x0000000005EC4000-memory.dmp

Filesize
5.6MB

Download
memory/4848-132-0x0000000005450000-0x00000000054E2000-memory.dmp

Filesize
584KB

Download
memory/4848-133-0x00000000058D0000-0x0000000005914000-memory.dmp

Filesize
272KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads