agenttesla | 8634e5af5bc6c5c8ccb908c130ced51ea0eb81e81e77740eafb5f7f8876026f3

General

Target

Scan0002736.exe
Size

493KB
MD5

07642b41a1bdf645c2e746265a029751
SHA1

3faa2e660d328cc0c1efd04712ce43fb46dea2ad
SHA256

af4614a203bf30b1a7d9cd1f3eb86ea531dd2f15849a69fd8df3f0502f58e4e1
SHA512

c8f95df3afc426a628e4dad2ee09d9d2c0b26d85a5c1136a774bb44ca6749dfdcb680945a4e8add1c29bf91105fdbaf01ebbcbe1fb463c798d19fed8e2a52929

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.westairconnect.website
Port:
587
Username:
[email protected]
Password:
L]O4YyMF8{oL

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
behavioral1/memory/588-60-0x0000000000400000-0x000000000044C000-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:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Scan0002736.exe

description pid process target process

PID 1904 set thread context of 588 1904 Scan0002736.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

588 RegAsm.exe
588 RegAsm.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

Scan0002736.exe

pid process

1904 Scan0002736.exe
1904 Scan0002736.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 588 RegAsm.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegAsm.exe

pid process

588 RegAsm.exe

description	pid	process	target process
PID 1904 set thread context of 588	1904	Scan0002736.exe	RegAsm.exe

pid	process
588	RegAsm.exe
588	RegAsm.exe

pid	process
1904	Scan0002736.exe
1904	Scan0002736.exe

description	pid	process
Token: SeDebugPrivilege	588	RegAsm.exe

pid	process
588	RegAsm.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Scan0002736.exe

description	pid	process	target process
PID 1904 wrote to memory of 1568	1904	Scan0002736.exe	RegAsm.exe
PID 1904 wrote to memory of 1568	1904	Scan0002736.exe	RegAsm.exe
PID 1904 wrote to memory of 1568	1904	Scan0002736.exe	RegAsm.exe
PID 1904 wrote to memory of 1568	1904	Scan0002736.exe	RegAsm.exe
PID 1904 wrote to memory of 1568	1904	Scan0002736.exe	RegAsm.exe
PID 1904 wrote to memory of 1568	1904	Scan0002736.exe	RegAsm.exe
PID 1904 wrote to memory of 1568	1904	Scan0002736.exe	RegAsm.exe
PID 1904 wrote to memory of 588	1904	Scan0002736.exe	RegAsm.exe
PID 1904 wrote to memory of 588	1904	Scan0002736.exe	RegAsm.exe
PID 1904 wrote to memory of 588	1904	Scan0002736.exe	RegAsm.exe
PID 1904 wrote to memory of 588	1904	Scan0002736.exe	RegAsm.exe
PID 1904 wrote to memory of 588	1904	Scan0002736.exe	RegAsm.exe
PID 1904 wrote to memory of 588	1904	Scan0002736.exe	RegAsm.exe
PID 1904 wrote to memory of 588	1904	Scan0002736.exe	RegAsm.exe
PID 1904 wrote to memory of 588	1904	Scan0002736.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\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-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\Scan0002736.exe
"C:\Users\Admin\AppData\Local\Temp\Scan0002736.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1904

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:1568

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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:588

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/588-57-0x000000000044692E-mapping.dmp

Download
memory/588-60-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1904-54-0x0000000000F20000-0x0000000000FA2000-memory.dmp

Filesize
520KB

Download
memory/1904-55-0x0000000000490000-0x00000000004E4000-memory.dmp

Filesize
336KB

Download
memory/1904-56-0x0000000074F91000-0x0000000074F93000-memory.dmp

Filesize
8KB

Download
memory/1904-58-0x00000000002C0000-0x00000000002C3000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads