agenttesla | ba18ff142bae31457031ca49e772b10792ad3a5bdead90cb2c1d37e2a6c2fd59

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
17-02-2025 17:59

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General

Target

Original.document.exe
Size

1.4MB
MD5

e7351df51633435293ddc09de7fdc57c
SHA1

08e1c2328773a1040194446d0814fc07673526bf
SHA256

7b98cd3800dede6537cf78e7b61eeeda71d251dc97c70cb7c2135c6aa310ab7f
SHA512

705420ca8ea83df7dc0e2155a00aef5b0d4c32ac4db3e7332d84e7e16bc52ffc4bc5f80ed76790c163aa2a317edd9d86eb16d062352f3c466ca50db10556eabd
SSDEEP

24576:Htb20pkaCqT5TBWgNQ7aqia9uDTlos7hTt2WB2W+DZJBSI6A:EVg5tQ7aq7MTqcGWgPn5

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtps.aruba.it
Port:
587
Username:
[email protected]
Password:
info1943

Signatures

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

AgentTesla payload 3 IoCs

resource	yara_rule
behavioral5/memory/2080-6-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral5/memory/2080-4-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral5/memory/2080-2-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

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 3 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

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2124 set thread context of 2080	2124	Original.document.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Original.document.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2080	RegAsm.exe
2080	RegAsm.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2124	Original.document.exe
2124	Original.document.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2080	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2124	Original.document.exe
2124	Original.document.exe
2124	Original.document.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2124	Original.document.exe
2124	Original.document.exe
2124	Original.document.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2080	RegAsm.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2076	2124	Original.document.exe	30
PID 2124 wrote to memory of 2076	2124	Original.document.exe	30
PID 2124 wrote to memory of 2076	2124	Original.document.exe	30
PID 2124 wrote to memory of 2076	2124	Original.document.exe	30
PID 2124 wrote to memory of 2076	2124	Original.document.exe	30
PID 2124 wrote to memory of 2076	2124	Original.document.exe	30
PID 2124 wrote to memory of 2076	2124	Original.document.exe	30
PID 2124 wrote to memory of 2080	2124	Original.document.exe	31
PID 2124 wrote to memory of 2080	2124	Original.document.exe	31
PID 2124 wrote to memory of 2080	2124	Original.document.exe	31
PID 2124 wrote to memory of 2080	2124	Original.document.exe	31
PID 2124 wrote to memory of 2080	2124	Original.document.exe	31
PID 2124 wrote to memory of 2080	2124	Original.document.exe	31
PID 2124 wrote to memory of 2080	2124	Original.document.exe	31
PID 2124 wrote to memory of 2080	2124	Original.document.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\Original.document.exe
"C:\Users\Admin\AppData\Local\Temp\Original.document.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"
  2⤵
  PID:2076
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2080

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2080-6-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2080-4-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2080-2-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2080-7-0x0000000074AF2000-0x0000000074AF4000-memory.dmp

Filesize
8KB

Download
memory/2080-8-0x0000000074AF2000-0x0000000074AF4000-memory.dmp

Filesize
8KB

Download
memory/2124-0-0x0000000002650000-0x00000000026E3000-memory.dmp

Filesize
588KB

Download
memory/2124-1-0x0000000002F90000-0x0000000003023000-memory.dmp

Filesize
588KB

Download