agenttesla | 3eff8258ac6c696c721f2f69d9d233a026dfff9ffadeb7a7be42ae4abdae2aef

General

Target

TT application copy.exe
Size

603KB
MD5

dda7e4b341b33adf67b9215c642ab9a3
SHA1

d5d2a4ca9cf25f3d8de44d30f317927f1d23bba2
SHA256

3eff8258ac6c696c721f2f69d9d233a026dfff9ffadeb7a7be42ae4abdae2aef
SHA512

9ccd783bc47399729ead2b3ff4aed3ba3d7ff4804583c443f9058419530af98ad4f2fc9af329b8425db40e288b5ff90fc0c814748768e9f2766ca516ce4506f8
SSDEEP

12288:km3+qtF766Nz5SQAkZbF5qtUhHHd57fubggC66zNOc:v3+866BnAkdF5qtUhdBfkgl3

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6166695280:AAFYAmHtNxka4VVDE564YnB1MkmT68AnzXY/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TT application copy.exe
Key opened	\REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TT application copy.exe
Key opened	\REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TT application copy.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Windows\CurrentVersion\Run\SzKSxBk = "C:\\Users\\Admin\\AppData\\Roaming\\SzKSxBk\\SzKSxBk.exe"	TT application copy.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1728 set thread context of 660	1728	TT application copy.exe	27

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
660	TT application copy.exe
660	TT application copy.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	660	TT application copy.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 660	1728	TT application copy.exe	27
PID 1728 wrote to memory of 660	1728	TT application copy.exe	27
PID 1728 wrote to memory of 660	1728	TT application copy.exe	27
PID 1728 wrote to memory of 660	1728	TT application copy.exe	27
PID 1728 wrote to memory of 660	1728	TT application copy.exe	27
PID 1728 wrote to memory of 660	1728	TT application copy.exe	27
PID 1728 wrote to memory of 660	1728	TT application copy.exe	27
PID 1728 wrote to memory of 660	1728	TT application copy.exe	27
PID 1728 wrote to memory of 660	1728	TT application copy.exe	27

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TT application copy.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TT application copy.exe

C:\Users\Admin\AppData\Local\Temp\TT application copy.exe
"C:\Users\Admin\AppData\Local\Temp\TT application copy.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Users\Admin\AppData\Local\Temp\TT application copy.exe
  "C:\Users\Admin\AppData\Local\Temp\TT application copy.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:660

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/660-67-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/660-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/660-73-0x0000000004970000-0x00000000049B0000-memory.dmp

Filesize
256KB

Download
memory/660-70-0x0000000004970000-0x00000000049B0000-memory.dmp

Filesize
256KB

Download
memory/660-69-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/660-65-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/660-60-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/660-63-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/660-62-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/660-61-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1728-55-0x0000000004D80000-0x0000000004DC0000-memory.dmp

Filesize
256KB

Download
memory/1728-59-0x0000000004F60000-0x0000000004FCA000-memory.dmp

Filesize
424KB

Download
memory/1728-54-0x0000000000EE0000-0x0000000000F7E000-memory.dmp

Filesize
632KB

Download
memory/1728-58-0x0000000000500000-0x000000000050C000-memory.dmp

Filesize
48KB

Download
memory/1728-57-0x0000000004D80000-0x0000000004DC0000-memory.dmp

Filesize
256KB

Download
memory/1728-56-0x00000000003E0000-0x00000000003EC000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing