agenttesla | 682ba3a6762b523beb3d792fc8c52c44adda0f70033149204c1a0bbc717351b5

General

Target

Para Transferi Bilgilendirmesi-Dekont20230329.exe
Size

445KB
MD5

26c10e8edfe247965c0694415372ed0b
SHA1

d07b6634339e0078362acd09ca06dc3d5c4e6be1
SHA256

9e3890049c1d7270fe38d2b545a4923b8933d271f9f10d316a7c228e2b931250
SHA512

4a9b7bd5f980084a1b8c9fac7d723c36abe1042292487fd3485cfdbcbce72cf8f3f9bac380ad45c30d328f89b58ab90e7ba647b7cc27856814ea64a9dd58ad41
SSDEEP

6144:qBJoejY8WjxzbAvjvElb8xRNCOWshLXyD9TBwSp8oiMf5F2c0mtZ/BHZnmVnI:q7obSr8iGSLXyDxBwSu2v9tZ/9ZmVnI

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6120421924:AAHfDg3lTzDUW4O1CSc9eyT6zf8UpaOZqyY/

Signatures

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

.NET Reactor proctector 1 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

Processes:

resource	yara_rule
behavioral1/memory/1744-54-0x0000000000A60000-0x0000000000ACC000-memory.dmp	net_reactor

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Caspol.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

3 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Para Transferi Bilgilendirmesi-Dekont20230329.exe

description pid process target process

PID 1744 set thread context of 1244 1744 Para Transferi Bilgilendirmesi-Dekont20230329.exe Caspol.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Caspol.exe

description pid process

Token: SeDebugPrivilege 1244 Caspol.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Caspol.exe

pid process

1244 Caspol.exe

flow	ioc
3	api.ipify.org

description	pid	process	target process
PID 1744 set thread context of 1244	1744	Para Transferi Bilgilendirmesi-Dekont20230329.exe	Caspol.exe

description	pid	process
Token: SeDebugPrivilege	1244	Caspol.exe

pid	process
1244	Caspol.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Para Transferi Bilgilendirmesi-Dekont20230329.exe

description	pid	process	target process
PID 1744 wrote to memory of 1244	1744	Para Transferi Bilgilendirmesi-Dekont20230329.exe	Caspol.exe
PID 1744 wrote to memory of 1244	1744	Para Transferi Bilgilendirmesi-Dekont20230329.exe	Caspol.exe
PID 1744 wrote to memory of 1244	1744	Para Transferi Bilgilendirmesi-Dekont20230329.exe	Caspol.exe
PID 1744 wrote to memory of 1244	1744	Para Transferi Bilgilendirmesi-Dekont20230329.exe	Caspol.exe
PID 1744 wrote to memory of 1244	1744	Para Transferi Bilgilendirmesi-Dekont20230329.exe	Caspol.exe
PID 1744 wrote to memory of 1244	1744	Para Transferi Bilgilendirmesi-Dekont20230329.exe	Caspol.exe
PID 1744 wrote to memory of 1244	1744	Para Transferi Bilgilendirmesi-Dekont20230329.exe	Caspol.exe
PID 1744 wrote to memory of 1244	1744	Para Transferi Bilgilendirmesi-Dekont20230329.exe	Caspol.exe
PID 1744 wrote to memory of 1244	1744	Para Transferi Bilgilendirmesi-Dekont20230329.exe	Caspol.exe

outlook_office_path 1 IoCs

Processes:

Caspol.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe

outlook_win_path 1 IoCs

Processes:

Caspol.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe

C:\Users\Admin\AppData\Local\Temp\Para Transferi Bilgilendirmesi-Dekont20230329.exe
"C:\Users\Admin\AppData\Local\Temp\Para Transferi Bilgilendirmesi-Dekont20230329.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1244

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1244-56-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1244-57-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1244-58-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1244-59-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1244-60-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1244-61-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1244-63-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1244-65-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1244-66-0x00000000047D0000-0x0000000004810000-memory.dmp

Filesize
256KB

Download
memory/1244-73-0x00000000047D0000-0x0000000004810000-memory.dmp

Filesize
256KB

Download
memory/1744-54-0x0000000000A60000-0x0000000000ACC000-memory.dmp

Filesize
432KB

Download
memory/1744-55-0x00000000007C0000-0x00000000007CE000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads