agenttesla | 99f63c91997f38c8ae3816303a4849277863aa91f5e0b268d9989ad877e83deb

General

Target

Hesap Hareketleri 11-07-2023pdf.exe
Size

791KB
MD5

22035670a6f0e1f2cad7bf0662a1b5da
SHA1

9bd5756fe2dc423d657b2b62e9b0890b52bf92f6
SHA256

99f63c91997f38c8ae3816303a4849277863aa91f5e0b268d9989ad877e83deb
SHA512

b9737f8d7a3775a0f3f9a78d24fda787b956c56419cc8183f4d6a20ca3cc91672ca9fbc378499b82a34a7d6359b1252653f448eea465e0a93fae44e02cf6808a
SSDEEP

24576:23mDSXlAL7wFRmC6181evMaIO05k2xIKq9yQ:emDS6L7ARmPvf05k2vKyQ

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://discord.com/api/webhooks/1084897738958843984/yxXVxIViPDg7kf5HGR2i3KMIuvrSkqOXhOz45xzzJkay0UJIs_GVQuDipvA_avU7p9vG

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe
Key opened	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe
Key opened	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.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.

flow	ioc
3	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2320 set thread context of 2412	2320	Hesap Hareketleri 11-07-2023pdf.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2412	Caspol.exe
2412	Caspol.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2320	Hesap Hareketleri 11-07-2023pdf.exe
Token: SeDebugPrivilege	2412	Caspol.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2412	Caspol.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 2412	2320	Hesap Hareketleri 11-07-2023pdf.exe	28
PID 2320 wrote to memory of 2412	2320	Hesap Hareketleri 11-07-2023pdf.exe	28
PID 2320 wrote to memory of 2412	2320	Hesap Hareketleri 11-07-2023pdf.exe	28
PID 2320 wrote to memory of 2412	2320	Hesap Hareketleri 11-07-2023pdf.exe	28
PID 2320 wrote to memory of 2412	2320	Hesap Hareketleri 11-07-2023pdf.exe	28
PID 2320 wrote to memory of 2412	2320	Hesap Hareketleri 11-07-2023pdf.exe	28
PID 2320 wrote to memory of 2412	2320	Hesap Hareketleri 11-07-2023pdf.exe	28
PID 2320 wrote to memory of 2412	2320	Hesap Hareketleri 11-07-2023pdf.exe	28
PID 2320 wrote to memory of 2412	2320	Hesap Hareketleri 11-07-2023pdf.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe

C:\Users\Admin\AppData\Local\Temp\Hesap Hareketleri 11-07-2023pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Hesap Hareketleri 11-07-2023pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2320
- 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 behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2412

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

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Downloads

memory/2320-54-0x0000000000960000-0x0000000000A28000-memory.dmp

Filesize
800KB

Download
memory/2320-55-0x0000000000590000-0x00000000005A2000-memory.dmp

Filesize
72KB

Download
memory/2412-56-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2412-57-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2412-58-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2412-59-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2412-60-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2412-61-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2412-63-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2412-65-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2412-66-0x0000000004D80000-0x0000000004DC0000-memory.dmp

Filesize
256KB

Download
memory/2412-67-0x0000000004D80000-0x0000000004DC0000-memory.dmp

Filesize
256KB

Download

Analysis

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