agenttesla | b172908ba1ff82ef332a53abfba6339b8e4875d41cd7839c466beefb054552c8

Analysis

max time kernel
143s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-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-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

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
22	api.ipify.org
23	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1196 set thread context of 4156	1196	Para Transferi Bilgilendirmesi1.exe	86

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4156	Caspol.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4156	Caspol.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1196 wrote to memory of 4156	1196	Para Transferi Bilgilendirmesi1.exe	86
PID 1196 wrote to memory of 4156	1196	Para Transferi Bilgilendirmesi1.exe	86
PID 1196 wrote to memory of 4156	1196	Para Transferi Bilgilendirmesi1.exe	86
PID 1196 wrote to memory of 4156	1196	Para Transferi Bilgilendirmesi1.exe	86
PID 1196 wrote to memory of 4156	1196	Para Transferi Bilgilendirmesi1.exe	86
PID 1196 wrote to memory of 4156	1196	Para Transferi Bilgilendirmesi1.exe	86
PID 1196 wrote to memory of 4156	1196	Para Transferi Bilgilendirmesi1.exe	86
PID 1196 wrote to memory of 4156	1196	Para Transferi Bilgilendirmesi1.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\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:1196
- 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:4156

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Web Service

T1102

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

memory/1196-133-0x000001F441B00000-0x000001F441B3A000-memory.dmp

Filesize
232KB

Download
memory/4156-134-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4156-136-0x0000000005C20000-0x00000000061C4000-memory.dmp

Filesize
5.6MB

Download
memory/4156-137-0x00000000055C0000-0x00000000055D0000-memory.dmp

Filesize
64KB

Download
memory/4156-138-0x0000000005670000-0x00000000056D6000-memory.dmp

Filesize
408KB

Download
memory/4156-139-0x0000000006F00000-0x0000000006F92000-memory.dmp

Filesize
584KB

Download
memory/4156-140-0x00000000070F0000-0x00000000070FA000-memory.dmp

Filesize
40KB

Download
memory/4156-141-0x0000000007160000-0x00000000071B0000-memory.dmp

Filesize
320KB

Download
memory/4156-142-0x0000000007390000-0x0000000007552000-memory.dmp

Filesize
1.8MB

Download
memory/4156-149-0x0000000007260000-0x00000000072FC000-memory.dmp

Filesize
624KB

Download
memory/4156-150-0x00000000055C0000-0x00000000055D0000-memory.dmp

Filesize
64KB

Download