agenttesla | bea9fc669319cd16df759974397e79c05e7565e75ca7c052af346e08b5f1d13a

General

Target

bea9fc669319cd16df759974397e79c05e7565e75ca7c052af346e08b5f1d13a.exe
Size

216KB
MD5

f491169c61e8aa6cfa83e00c3f7e85e2
SHA1

91b843f4747ae0a97f83b6cba7f329f6a1503928
SHA256

bea9fc669319cd16df759974397e79c05e7565e75ca7c052af346e08b5f1d13a
SHA512

e0c2a061404f9d0333c62366e6974445eb6349f6a900b5c7fe40fa9c6f74c94637f2ca0bc9fc03dfed7b654312dfc89b5f92602caf9699f0b22ed28ae9f0ea8d

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
s1.20mb.nl
Port:
587
Username:
[email protected]
Password:
Regina8712
Email To:
[email protected]

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2272-133-0x00000000004B0000-0x00000000004EC000-memory.dmp	family_agenttesla
behavioral2/memory/2272-134-0x00000000004B0000-0x00000000004EC000-memory.dmp	family_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

Processes:

bea9fc669319cd16df759974397e79c05e7565e75ca7c052af346e08b5f1d13a.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bea9fc669319cd16df759974397e79c05e7565e75ca7c052af346e08b5f1d13a.exe
Key opened	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bea9fc669319cd16df759974397e79c05e7565e75ca7c052af346e08b5f1d13a.exe
Key opened	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bea9fc669319cd16df759974397e79c05e7565e75ca7c052af346e08b5f1d13a.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotification.exe

description	ioc	process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotification.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotification.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

bea9fc669319cd16df759974397e79c05e7565e75ca7c052af346e08b5f1d13a.exe

pid	process
2272	bea9fc669319cd16df759974397e79c05e7565e75ca7c052af346e08b5f1d13a.exe
2272	bea9fc669319cd16df759974397e79c05e7565e75ca7c052af346e08b5f1d13a.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

bea9fc669319cd16df759974397e79c05e7565e75ca7c052af346e08b5f1d13a.exeMusNotification.exe

description	pid	process
Token: SeDebugPrivilege	2272	bea9fc669319cd16df759974397e79c05e7565e75ca7c052af346e08b5f1d13a.exe
Token: SeShutdownPrivilege	1396	MusNotification.exe
Token: SeCreatePagefilePrivilege	1396	MusNotification.exe

outlook_office_path 1 IoCs

Processes:

bea9fc669319cd16df759974397e79c05e7565e75ca7c052af346e08b5f1d13a.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bea9fc669319cd16df759974397e79c05e7565e75ca7c052af346e08b5f1d13a.exe

outlook_win_path 1 IoCs

Processes:

bea9fc669319cd16df759974397e79c05e7565e75ca7c052af346e08b5f1d13a.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bea9fc669319cd16df759974397e79c05e7565e75ca7c052af346e08b5f1d13a.exe

C:\Users\Admin\AppData\Local\Temp\bea9fc669319cd16df759974397e79c05e7565e75ca7c052af346e08b5f1d13a.exe
"C:\Users\Admin\AppData\Local\Temp\bea9fc669319cd16df759974397e79c05e7565e75ca7c052af346e08b5f1d13a.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2272

C:\Windows\system32\MusNotification.exe
C:\Windows\system32\MusNotification.exe
1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
PID:1396

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2272-133-0x00000000004B0000-0x00000000004EC000-memory.dmp

Filesize
240KB

Download
memory/2272-134-0x00000000004B0000-0x00000000004EC000-memory.dmp

Filesize
240KB

Download
memory/2272-135-0x00000000054A0000-0x0000000005A44000-memory.dmp

Filesize
5.6MB

Download
memory/2272-136-0x0000000004EF0000-0x0000000004F82000-memory.dmp

Filesize
584KB

Download
memory/2272-137-0x0000000004E00000-0x0000000004E92000-memory.dmp

Filesize
584KB

Download
memory/2272-138-0x0000000005120000-0x00000000051BC000-memory.dmp

Filesize
624KB

Download
memory/2272-139-0x0000000005D90000-0x0000000005DF6000-memory.dmp

Filesize
408KB

Download
memory/2272-140-0x0000000006050000-0x00000000060A0000-memory.dmp

Filesize
320KB

Download
memory/2272-141-0x0000000000C80000-0x0000000000C8A000-memory.dmp

Filesize
40KB

Download
memory/2272-142-0x0000000004E00000-0x0000000004E92000-memory.dmp

Filesize
584KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads