agenttesla | 433bae3045c110790a9ba2a11bbbc39f5fd10a36c0422bcd6e706b0eedbba66b

Analysis

max time kernel
152s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
22-03-2023 09:56

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General

Target

file.exe
Size

800KB
MD5

c35736429b30030acb60cb19c771649e
SHA1

e45a11358fa376cc0dcf103e431aa3ea805370f0
SHA256

433bae3045c110790a9ba2a11bbbc39f5fd10a36c0422bcd6e706b0eedbba66b
SHA512

7e664ca187045a9dc1fbf432ad13f322fa33db7de15481c7bef9b6fe1ae59804ce396c5e1d40d15f8eb4c921bec3cab12336491882656927fa38897afd002b16
SSDEEP

6144:BZbvpVUeRkrE4sZ5vnZI1ET94aVgrpkghZuOOIZ34lQP9MWT:HTUeR/3Pnikled3ZupIV4m

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/1040-140-0x0000000000060000-0x00000000000C4000-memory.dmp	family_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-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.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-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MyApp = "C:\\Users\\Admin\\AppData\\Roaming\\MyApp\\MyApp.exe"	file.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4500 set thread context of 1040	4500	file.exe	86

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1040	file.exe
1040	file.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1040	file.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4500	file.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4500 wrote to memory of 1040	4500	file.exe	86
PID 4500 wrote to memory of 1040	4500	file.exe	86
PID 4500 wrote to memory of 1040	4500	file.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4500
- C:\Users\Admin\AppData\Local\Temp\file.exe
  "C:\Users\Admin\AppData\Local\Temp\file.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:1040

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1040-137-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/1040-140-0x0000000000060000-0x00000000000C4000-memory.dmp

Filesize
400KB

Download
memory/1040-149-0x000000001EEE0000-0x000000001EEF0000-memory.dmp

Filesize
64KB

Download
memory/1040-150-0x000000001EEE0000-0x000000001EEF0000-memory.dmp

Filesize
64KB

Download
memory/1040-151-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/1040-152-0x00000000005E0000-0x00000000005E7000-memory.dmp

Filesize
28KB

Download
memory/1040-153-0x000000001EEE0000-0x000000001EEF0000-memory.dmp

Filesize
64KB

Download
memory/1040-154-0x000000001EEE0000-0x000000001EEF0000-memory.dmp

Filesize
64KB

Download
memory/1040-157-0x000000001EEE0000-0x000000001EEF0000-memory.dmp

Filesize
64KB

Download
memory/1040-159-0x000000001EEE0000-0x000000001EEF0000-memory.dmp

Filesize
64KB

Download
memory/4500-135-0x00000000022D0000-0x00000000022D7000-memory.dmp

Filesize
28KB

Download
memory/4500-136-0x00000000022D0000-0x00000000022D7000-memory.dmp

Filesize
28KB

Download