agenttesla | b172908ba1ff82ef332a53abfba6339b8e4875d41cd7839c466beefb054552c8

Analysis

max time kernel
31s
max time network
134s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
13/03/2023, 07:11

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General

Target

Para Transferi Bilgilendirmesi1.exe
Size

230KB
MD5

6f8c22dcc83fc231cb53f901bd029f6b
SHA1

b1fe2d9d7a250d2dcb17d9c5b1562f142d0438dc
SHA256

b172908ba1ff82ef332a53abfba6339b8e4875d41cd7839c466beefb054552c8
SHA512

e671d2f945aa55b5011cbd02db35671c9535f899739336e7159423e955cd66d3fe7393076d94eb6dbf138e18e4b40e0c707ab4edee0f197ee126e13d71004600
SSDEEP

3072:hV2j+L+AIUxMMgHob0YmesMl2d+TEPliBKyOeoDSFeaXr37Vr9HaCjVdnQyIPfx:hz3vgHob0YFy8JZBFX7VrJfUn4

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://discord.com/api/webhooks/1077128243901124608/Huax3PNn6XT6K3vh3ErNhvVNJUptaKsuqdpEZoJ8Q3gzIjekvOQR27NXaoWBygMXHQYA

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-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\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 1412 set thread context of 1248	1412	Para Transferi Bilgilendirmesi1.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1248	Caspol.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1248	Caspol.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1412 wrote to memory of 1248	1412	Para Transferi Bilgilendirmesi1.exe	28
PID 1412 wrote to memory of 1248	1412	Para Transferi Bilgilendirmesi1.exe	28
PID 1412 wrote to memory of 1248	1412	Para Transferi Bilgilendirmesi1.exe	28
PID 1412 wrote to memory of 1248	1412	Para Transferi Bilgilendirmesi1.exe	28
PID 1412 wrote to memory of 1248	1412	Para Transferi Bilgilendirmesi1.exe	28
PID 1412 wrote to memory of 1248	1412	Para Transferi Bilgilendirmesi1.exe	28
PID 1412 wrote to memory of 1248	1412	Para Transferi Bilgilendirmesi1.exe	28
PID 1412 wrote to memory of 1248	1412	Para Transferi Bilgilendirmesi1.exe	28
PID 1412 wrote to memory of 1248	1412	Para Transferi Bilgilendirmesi1.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe

C:\Users\Admin\AppData\Local\Temp\Para Transferi Bilgilendirmesi1.exe
"C:\Users\Admin\AppData\Local\Temp\Para Transferi Bilgilendirmesi1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1412
- 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:1248

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/1248-56-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1248-57-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1248-58-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1248-59-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1248-60-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1248-61-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1248-63-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1248-65-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1248-66-0x0000000004F10000-0x0000000004F50000-memory.dmp

Filesize
256KB

Download
memory/1412-54-0x0000000000FB0000-0x0000000000FEA000-memory.dmp

Filesize
232KB

Download
memory/1412-55-0x00000000001E0000-0x00000000001EE000-memory.dmp

Filesize
56KB

Download