agenttesla | 7fbb218c97b61a5da84737c2b149277bc2d2c06601d891704d16924005379a2f

General

Target

Quote# 241048.exe
Size

657KB
MD5

fe0fb76c547cb2fdca9935bd13e73a19
SHA1

6b2b9bacc4adf2a3c41ce88fec821ba5221fc91b
SHA256

7fbb218c97b61a5da84737c2b149277bc2d2c06601d891704d16924005379a2f
SHA512

48ec8cda6718c799c0122796c8ecd92b616facca6ab919b05b4b2a0308e1917790956e213a240e9346e09a53481e8e59c66ba707a16fa03cf5a54496140c960b
SSDEEP

12288:P0acJVVEa/PUSyT4kcdqHOm92LcoOae2QlyspzXSkiexguszHV:HirMSZMOBczaAyspzCPexQzH

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
2724	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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quote# 241048.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quote# 241048.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quote# 241048.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1112 set thread context of 2504	1112	Quote# 241048.exe	31

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# 241048.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Quote# 241048.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2724	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2504	Quote# 241048.exe
Token: SeDebugPrivilege	2724	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1112 wrote to memory of 2724	1112	Quote# 241048.exe	30
PID 1112 wrote to memory of 2724	1112	Quote# 241048.exe	30
PID 1112 wrote to memory of 2724	1112	Quote# 241048.exe	30
PID 1112 wrote to memory of 2724	1112	Quote# 241048.exe	30
PID 1112 wrote to memory of 2504	1112	Quote# 241048.exe	31
PID 1112 wrote to memory of 2504	1112	Quote# 241048.exe	31
PID 1112 wrote to memory of 2504	1112	Quote# 241048.exe	31
PID 1112 wrote to memory of 2504	1112	Quote# 241048.exe	31
PID 1112 wrote to memory of 2504	1112	Quote# 241048.exe	31
PID 1112 wrote to memory of 2504	1112	Quote# 241048.exe	31
PID 1112 wrote to memory of 2504	1112	Quote# 241048.exe	31
PID 1112 wrote to memory of 2504	1112	Quote# 241048.exe	31
PID 1112 wrote to memory of 2504	1112	Quote# 241048.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quote# 241048.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quote# 241048.exe

C:\Users\Admin\AppData\Local\Temp\Quote# 241048.exe
"C:\Users\Admin\AppData\Local\Temp\Quote# 241048.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1112
- 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# 241048.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2724
- C:\Users\Admin\AppData\Local\Temp\Quote# 241048.exe
  "C:\Users\Admin\AppData\Local\Temp\Quote# 241048.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2504

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/1112-0-0x00000000744BE000-0x00000000744BF000-memory.dmp

Filesize
4KB

Download
memory/1112-1-0x0000000001080000-0x000000000112A000-memory.dmp

Filesize
680KB

Download
memory/1112-2-0x00000000744B0000-0x0000000074B9E000-memory.dmp

Filesize
6.9MB

Download
memory/1112-3-0x0000000000520000-0x0000000000538000-memory.dmp

Filesize
96KB

Download
memory/1112-4-0x00000000744B0000-0x0000000074B9E000-memory.dmp

Filesize
6.9MB

Download
memory/1112-5-0x0000000000EC0000-0x0000000000F32000-memory.dmp

Filesize
456KB

Download
memory/1112-22-0x00000000744B0000-0x0000000074B9E000-memory.dmp

Filesize
6.9MB

Download
memory/2504-14-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2504-16-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2504-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2504-11-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2504-10-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2504-8-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2504-19-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2504-20-0x00000000744B0000-0x0000000074B9E000-memory.dmp

Filesize
6.9MB

Download
memory/2504-21-0x00000000744B0000-0x0000000074B9E000-memory.dmp

Filesize
6.9MB

Download
memory/2504-6-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2504-25-0x00000000744B0000-0x0000000074B9E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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