agenttesla | c8d8329e36c85fc810f02363121ea1856e2e0dd229220f651c9f86d2bb64e9e0

General

Target

1401MES_S Quote.exe
Size

814KB
MD5

2956b5876da3f8bd63627358f39dd5bd
SHA1

c0df48ce532c6b5a7d846f62544d8fb8f1f571f3
SHA256

ae8d1fa58b33e9eddc5fdea9668efb2af4046b6d65d8fc34da8f70953ccd1549
SHA512

6910ebf57121b5c76f27e2e544e548649e9145ceb243fcbd05e8d7692a281755b9c81853b6f24add9e1017a79a9575f4420a4effb2fc06248589a8072bf7f714
SSDEEP

24576:aF8yNK1t4NK1tOqLBxq8l6umA84lWdOGAnkCQ2KfkMLx+:aKhjqR48ddiQ2KfkMLk

Score

10^/10

agenttesla collection 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
Agenttesla family
agenttesla

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
1364	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 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

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\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1401MES_S Quote.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1401MES_S Quote.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1401MES_S Quote.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2264 set thread context of 3044	2264	1401MES_S Quote.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	1401MES_S Quote.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1401MES_S Quote.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1364	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3044	1401MES_S Quote.exe
Token: SeDebugPrivilege	1364	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 1364	2264	1401MES_S Quote.exe	30
PID 2264 wrote to memory of 1364	2264	1401MES_S Quote.exe	30
PID 2264 wrote to memory of 1364	2264	1401MES_S Quote.exe	30
PID 2264 wrote to memory of 1364	2264	1401MES_S Quote.exe	30
PID 2264 wrote to memory of 3044	2264	1401MES_S Quote.exe	31
PID 2264 wrote to memory of 3044	2264	1401MES_S Quote.exe	31
PID 2264 wrote to memory of 3044	2264	1401MES_S Quote.exe	31
PID 2264 wrote to memory of 3044	2264	1401MES_S Quote.exe	31
PID 2264 wrote to memory of 3044	2264	1401MES_S Quote.exe	31
PID 2264 wrote to memory of 3044	2264	1401MES_S Quote.exe	31
PID 2264 wrote to memory of 3044	2264	1401MES_S Quote.exe	31
PID 2264 wrote to memory of 3044	2264	1401MES_S Quote.exe	31
PID 2264 wrote to memory of 3044	2264	1401MES_S Quote.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	1401MES_S Quote.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	1401MES_S Quote.exe

C:\Users\Admin\AppData\Local\Temp\1401MES_S Quote.exe
"C:\Users\Admin\AppData\Local\Temp\1401MES_S Quote.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2264
- 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\1401MES_S Quote.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1364
- C:\Users\Admin\AppData\Local\Temp\1401MES_S Quote.exe
  "C:\Users\Admin\AppData\Local\Temp\1401MES_S Quote.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3044

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/2264-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/2264-1-0x0000000001300000-0x00000000013D2000-memory.dmp

Filesize
840KB

Download
memory/2264-2-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2264-3-0x0000000000360000-0x000000000037A000-memory.dmp

Filesize
104KB

Download
memory/2264-4-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/2264-5-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2264-6-0x00000000047E0000-0x0000000004854000-memory.dmp

Filesize
464KB

Download
memory/2264-22-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/3044-16-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3044-14-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3044-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3044-11-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3044-10-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3044-19-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3044-7-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3044-21-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/3044-20-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/3044-9-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3044-25-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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