agenttesla | 269e25fc0e57a2a1cbb6e3f01936142b4c6e8807d7e33960e5e8baf38ef3b631

General

Target

QUOTE-4K892388-A-C422.exe
Size

613KB
MD5

b08c3e1fb6c0cbdc42114b397e5ca857
SHA1

d638ca5e9a20072887e6418186753327853f5369
SHA256

269e25fc0e57a2a1cbb6e3f01936142b4c6e8807d7e33960e5e8baf38ef3b631
SHA512

ec3fa21261715461fe1d510fe1eabf4e232923cc5f6cfe6c343155632a129e514df81f6b366bc755ff04b9b2eafea7e682f9b295bac3d4b28923e0e3de4f85ff
SSDEEP

12288:lzjLf30WH0obqvYCHXzcjWwyuMTtZqe5rfCslgldVMLv:9jj0yGzHw1MOSCKgXV6

Score

10^/10

agenttesla collection credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mbarieservicesltd.com
Port:
587
Username:
[email protected]
Password:
*o9H+18Q4%;M
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2092	powershell.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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	QUOTE-4K892388-A-C422.exe
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	QUOTE-4K892388-A-C422.exe
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	QUOTE-4K892388-A-C422.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2344 set thread context of 3068	2344	QUOTE-4K892388-A-C422.exe	33

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	QUOTE-4K892388-A-C422.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	QUOTE-4K892388-A-C422.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2092	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3068	QUOTE-4K892388-A-C422.exe
Token: SeDebugPrivilege	2092	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 2092	2344	QUOTE-4K892388-A-C422.exe	31
PID 2344 wrote to memory of 2092	2344	QUOTE-4K892388-A-C422.exe	31
PID 2344 wrote to memory of 2092	2344	QUOTE-4K892388-A-C422.exe	31
PID 2344 wrote to memory of 2092	2344	QUOTE-4K892388-A-C422.exe	31
PID 2344 wrote to memory of 3068	2344	QUOTE-4K892388-A-C422.exe	33
PID 2344 wrote to memory of 3068	2344	QUOTE-4K892388-A-C422.exe	33
PID 2344 wrote to memory of 3068	2344	QUOTE-4K892388-A-C422.exe	33
PID 2344 wrote to memory of 3068	2344	QUOTE-4K892388-A-C422.exe	33
PID 2344 wrote to memory of 3068	2344	QUOTE-4K892388-A-C422.exe	33
PID 2344 wrote to memory of 3068	2344	QUOTE-4K892388-A-C422.exe	33
PID 2344 wrote to memory of 3068	2344	QUOTE-4K892388-A-C422.exe	33
PID 2344 wrote to memory of 3068	2344	QUOTE-4K892388-A-C422.exe	33
PID 2344 wrote to memory of 3068	2344	QUOTE-4K892388-A-C422.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	QUOTE-4K892388-A-C422.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	QUOTE-4K892388-A-C422.exe

C:\Users\Admin\AppData\Local\Temp\QUOTE-4K892388-A-C422.exe
"C:\Users\Admin\AppData\Local\Temp\QUOTE-4K892388-A-C422.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2344
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\QUOTE-4K892388-A-C422.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2092
- C:\Users\Admin\AppData\Local\Temp\QUOTE-4K892388-A-C422.exe
  "C:\Users\Admin\AppData\Local\Temp\QUOTE-4K892388-A-C422.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2344-0-0x000000007407E000-0x000000007407F000-memory.dmp

Filesize
4KB

Download
memory/2344-1-0x00000000000B0000-0x0000000000150000-memory.dmp

Filesize
640KB

Download
memory/2344-2-0x0000000074070000-0x000000007475E000-memory.dmp

Filesize
6.9MB

Download
memory/2344-3-0x0000000001D80000-0x0000000001D98000-memory.dmp

Filesize
96KB

Download
memory/2344-4-0x000000007407E000-0x000000007407F000-memory.dmp

Filesize
4KB

Download
memory/2344-5-0x0000000074070000-0x000000007475E000-memory.dmp

Filesize
6.9MB

Download
memory/2344-6-0x0000000004CB0000-0x0000000004D22000-memory.dmp

Filesize
456KB

Download
memory/2344-21-0x0000000074070000-0x000000007475E000-memory.dmp

Filesize
6.9MB

Download
memory/3068-17-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3068-15-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3068-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3068-12-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3068-11-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3068-9-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3068-7-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3068-20-0x0000000074070000-0x000000007475E000-memory.dmp

Filesize
6.9MB

Download
memory/3068-22-0x0000000074070000-0x000000007475E000-memory.dmp

Filesize
6.9MB

Download
memory/3068-19-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3068-25-0x0000000074070000-0x000000007475E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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