agenttesla | 42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 01:21

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General

Target

42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe
Size

990KB
MD5

9da75658a4549586e5b542d7e6aac31a
SHA1

b799504424a4c991d96c84d94fb6ec956a33d6a7
SHA256

42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182
SHA512

53825fb9f0c6da755e7e2abaf03d66793f7ab95c12f3efec55863575dc505f11f05f44badddbbcba8988b2fb0ee5dbb99b379cf07d6fa258327b295f110dcb54
SSDEEP

24576:S0220C8uECnmUShKoWQST75l0ewP9R4sW6uAgzc3sO1NTSLn:a4sP8zc3sO7SLn

Score

10^/10

agenttesla execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.lubentech.com
Port:
587
Username:
[email protected]
Password:
hamid@1349

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.lubentech.com
Port:
587
Username:
[email protected]
Password:
hamid@1349
Email To:
[email protected]

Signatures

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

Drops startup file 2 IoCs

Processes:

Powershell.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype.exe	Powershell.exe

Executes dropped EXE 1 IoCs

Processes:

42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe

pid process

2752 42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe
Loads dropped DLL 1 IoCs

Processes:

42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe

pid process

2324 42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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
T1552.001
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
T1552.001

pid	process
2752	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe

pid	process
2324	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\IPYlgv = "C:\\Users\\Admin\\AppData\\Local\\Temp\\IPYlgv\\IPYlgv.exe"	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.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

2 api.ipify.org
3 api.ipify.org

flow	ioc
2	api.ipify.org
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe

description	pid	process	target process
PID 2324 set thread context of 2752	2324	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
execution

PowerShell
T1059.001

Processes:

Powershell.exe

pid process

856 Powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Powershell.exe42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe

pid	process
856	Powershell.exe
2752	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe
2752	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Powershell.exe42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe

description	pid	process
Token: SeDebugPrivilege	856	Powershell.exe
Token: SeDebugPrivilege	2752	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe

pid process

2752 42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe

pid	process
2752	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe

description	pid	process	target process
PID 2324 wrote to memory of 856	2324	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe	Powershell.exe
PID 2324 wrote to memory of 856	2324	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe	Powershell.exe
PID 2324 wrote to memory of 856	2324	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe	Powershell.exe
PID 2324 wrote to memory of 856	2324	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe	Powershell.exe
PID 2324 wrote to memory of 2752	2324	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe
PID 2324 wrote to memory of 2752	2324	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe
PID 2324 wrote to memory of 2752	2324	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe
PID 2324 wrote to memory of 2752	2324	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe
PID 2324 wrote to memory of 2752	2324	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe
PID 2324 wrote to memory of 2752	2324	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe
PID 2324 wrote to memory of 2752	2324	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe
PID 2324 wrote to memory of 2752	2324	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe
PID 2324 wrote to memory of 2752	2324	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe	42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe

C:\Users\Admin\AppData\Local\Temp\42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe
"C:\Users\Admin\AppData\Local\Temp\42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2324

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype.exe'
2⤵
- Drops startup file
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:856

C:\Users\Admin\AppData\Local\Temp\42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe
"C:\Users\Admin\AppData\Local\Temp\42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2752

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe
Filesize
990KB

MD5
9da75658a4549586e5b542d7e6aac31a

SHA1
b799504424a4c991d96c84d94fb6ec956a33d6a7

SHA256
42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182

SHA512
53825fb9f0c6da755e7e2abaf03d66793f7ab95c12f3efec55863575dc505f11f05f44badddbbcba8988b2fb0ee5dbb99b379cf07d6fa258327b295f110dcb54

Download Submit
memory/856-7-0x0000000070430000-0x00000000709DB000-memory.dmp

Filesize
5.7MB

Download
memory/856-26-0x0000000070430000-0x00000000709DB000-memory.dmp

Filesize
5.7MB

Download
memory/856-5-0x0000000070431000-0x0000000070432000-memory.dmp

Filesize
4KB

Download
memory/856-6-0x0000000070430000-0x00000000709DB000-memory.dmp

Filesize
5.7MB

Download
memory/856-9-0x0000000070430000-0x00000000709DB000-memory.dmp

Filesize
5.7MB

Download
memory/856-8-0x0000000070430000-0x00000000709DB000-memory.dmp

Filesize
5.7MB

Download
memory/2324-0-0x0000000074A9E000-0x0000000074A9F000-memory.dmp

Filesize
4KB

Download
memory/2324-10-0x0000000004B10000-0x0000000004B50000-memory.dmp

Filesize
256KB

Download
memory/2324-11-0x0000000000860000-0x0000000000868000-memory.dmp

Filesize
32KB

Download
memory/2324-2-0x0000000000AE0000-0x0000000000B52000-memory.dmp

Filesize
456KB

Download
memory/2324-1-0x0000000000EF0000-0x0000000000FEE000-memory.dmp

Filesize
1016KB

Download
memory/2752-19-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2752-22-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2752-15-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2752-16-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2752-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2752-14-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2752-13-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2752-24-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download