agenttesla | 691649803061e4365fcbbd497589df74a632969dff9102f4029e0a0f69afc827

General

Target

TTRES322023re.exe
Size

644KB
MD5

f0dde2d19d681b3bd89d80ac0760551f
SHA1

9da03a65176482df1ff20d67e97e3f1b78d89b94
SHA256

691649803061e4365fcbbd497589df74a632969dff9102f4029e0a0f69afc827
SHA512

33e58126e94a1f56173eaf0efa323ce87f8559a4008c0124950118e9531480edadfe64168a7a086a9ce3d332924a6fcd29bb74f2ba6f1fdab7c12a208bdb53e3
SSDEEP

6144:ltH6NMn1ORyO7IhvEwLE2Jmo8e3aOYMsNlkxzgDzssA82Zahm/RrCTWNjBmcqXD1:H1B3afXk+Dz80sLNjwcMH35Bpjg5

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.keefort.com.ec
Port:
587
Username:
[email protected]
Password:
u=Wa6eChU3nj
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

Processes:

TTRES322023re.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TTRES322023re.exe
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TTRES322023re.exe
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TTRES322023re.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.

Processes:

flow ioc

5 api.ipify.org
6 api.ipify.org
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

752 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

TTRES322023re.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1712 TTRES322023re.exe
Token: SeDebugPrivilege 752 powershell.exe

flow	ioc
5	api.ipify.org
6	api.ipify.org

pid	process
752	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1712	TTRES322023re.exe
Token: SeDebugPrivilege	752	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

TTRES322023re.exe

description	pid	process	target process
PID 1712 wrote to memory of 752	1712	TTRES322023re.exe	powershell.exe
PID 1712 wrote to memory of 752	1712	TTRES322023re.exe	powershell.exe
PID 1712 wrote to memory of 752	1712	TTRES322023re.exe	powershell.exe
PID 1712 wrote to memory of 752	1712	TTRES322023re.exe	powershell.exe

outlook_office_path 1 IoCs

Processes:

TTRES322023re.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TTRES322023re.exe

outlook_win_path 1 IoCs

Processes:

TTRES322023re.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TTRES322023re.exe

C:\Users\Admin\AppData\Local\Temp\TTRES322023re.exe
"C:\Users\Admin\AppData\Local\Temp\TTRES322023re.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1712

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMwA1AA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:752

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

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/752-60-0x00000000025B0000-0x00000000025F0000-memory.dmp

Filesize
256KB

Download
memory/752-61-0x00000000025B0000-0x00000000025F0000-memory.dmp

Filesize
256KB

Download
memory/752-62-0x00000000025B0000-0x00000000025F0000-memory.dmp

Filesize
256KB

Download
memory/752-64-0x00000000025B0000-0x00000000025F0000-memory.dmp

Filesize
256KB

Download
memory/752-65-0x00000000025B0000-0x00000000025F0000-memory.dmp

Filesize
256KB

Download
memory/1712-54-0x0000000000210000-0x00000000002B8000-memory.dmp

Filesize
672KB

Download
memory/1712-55-0x0000000004E30000-0x0000000004E70000-memory.dmp

Filesize
256KB

Download
memory/1712-56-0x0000000005AA0000-0x0000000005BEA000-memory.dmp

Filesize
1.3MB

Download
memory/1712-57-0x00000000056F0000-0x0000000005782000-memory.dmp

Filesize
584KB

Download
memory/1712-63-0x0000000004E30000-0x0000000004E70000-memory.dmp

Filesize
256KB

Download
memory/1712-67-0x0000000005120000-0x0000000005150000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads