agenttesla | 997fde940d301b37ac9a431687b9f0afd8796b8b1e1c73948d94fdfba37bf44b

General

Target

997fde940d301b37ac9a431687b9f0afd8796b8b1e1c73948d94fdfba37bf44b.exe
Size

750KB
MD5

d1bf728e7ba53eeccb6ed57f6c0f16c4
SHA1

0704eeff7ad584ee2f32410fff3e79ab9ada0815
SHA256

997fde940d301b37ac9a431687b9f0afd8796b8b1e1c73948d94fdfba37bf44b
SHA512

716a9e3eea680ee3a0df2d570e613e18998e9a8e1d7a198332b4cce98bc4ace6e588cb68aa70a7bb309cf7066dad8a84d78002773e5eea586fa4f9b24b338544
SSDEEP

12288:ueu+f0e7eizWQXuFHTyXQQx/Gqe62h9BJRBX3aWVaXj/h3mfz9T6jOCkR:uidzfXMHRkuB9TaWqZmfzP

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.zqamcx.com
Port:
587
Username:
[email protected]
Password:
Methodman991
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware 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
2016	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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2400 set thread context of 2716	2400	997fde940d301b37ac9a431687b9f0afd8796b8b1e1c73948d94fdfba37bf44b.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	997fde940d301b37ac9a431687b9f0afd8796b8b1e1c73948d94fdfba37bf44b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	997fde940d301b37ac9a431687b9f0afd8796b8b1e1c73948d94fdfba37bf44b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2716	997fde940d301b37ac9a431687b9f0afd8796b8b1e1c73948d94fdfba37bf44b.exe
2716	997fde940d301b37ac9a431687b9f0afd8796b8b1e1c73948d94fdfba37bf44b.exe
2016	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2716	997fde940d301b37ac9a431687b9f0afd8796b8b1e1c73948d94fdfba37bf44b.exe
Token: SeDebugPrivilege	2016	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2016	2400	997fde940d301b37ac9a431687b9f0afd8796b8b1e1c73948d94fdfba37bf44b.exe	30
PID 2400 wrote to memory of 2016	2400	997fde940d301b37ac9a431687b9f0afd8796b8b1e1c73948d94fdfba37bf44b.exe	30
PID 2400 wrote to memory of 2016	2400	997fde940d301b37ac9a431687b9f0afd8796b8b1e1c73948d94fdfba37bf44b.exe	30
PID 2400 wrote to memory of 2016	2400	997fde940d301b37ac9a431687b9f0afd8796b8b1e1c73948d94fdfba37bf44b.exe	30
PID 2400 wrote to memory of 2716	2400	997fde940d301b37ac9a431687b9f0afd8796b8b1e1c73948d94fdfba37bf44b.exe	31
PID 2400 wrote to memory of 2716	2400	997fde940d301b37ac9a431687b9f0afd8796b8b1e1c73948d94fdfba37bf44b.exe	31
PID 2400 wrote to memory of 2716	2400	997fde940d301b37ac9a431687b9f0afd8796b8b1e1c73948d94fdfba37bf44b.exe	31
PID 2400 wrote to memory of 2716	2400	997fde940d301b37ac9a431687b9f0afd8796b8b1e1c73948d94fdfba37bf44b.exe	31
PID 2400 wrote to memory of 2716	2400	997fde940d301b37ac9a431687b9f0afd8796b8b1e1c73948d94fdfba37bf44b.exe	31
PID 2400 wrote to memory of 2716	2400	997fde940d301b37ac9a431687b9f0afd8796b8b1e1c73948d94fdfba37bf44b.exe	31
PID 2400 wrote to memory of 2716	2400	997fde940d301b37ac9a431687b9f0afd8796b8b1e1c73948d94fdfba37bf44b.exe	31
PID 2400 wrote to memory of 2716	2400	997fde940d301b37ac9a431687b9f0afd8796b8b1e1c73948d94fdfba37bf44b.exe	31
PID 2400 wrote to memory of 2716	2400	997fde940d301b37ac9a431687b9f0afd8796b8b1e1c73948d94fdfba37bf44b.exe	31

C:\Users\Admin\AppData\Local\Temp\997fde940d301b37ac9a431687b9f0afd8796b8b1e1c73948d94fdfba37bf44b.exe
"C:\Users\Admin\AppData\Local\Temp\997fde940d301b37ac9a431687b9f0afd8796b8b1e1c73948d94fdfba37bf44b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2400
- 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\997fde940d301b37ac9a431687b9f0afd8796b8b1e1c73948d94fdfba37bf44b.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2016
- C:\Users\Admin\AppData\Local\Temp\997fde940d301b37ac9a431687b9f0afd8796b8b1e1c73948d94fdfba37bf44b.exe
  "C:\Users\Admin\AppData\Local\Temp\997fde940d301b37ac9a431687b9f0afd8796b8b1e1c73948d94fdfba37bf44b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2716

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

4

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2400-0-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

Filesize
4KB

Download
memory/2400-1-0x0000000000BB0000-0x0000000000C6E000-memory.dmp

Filesize
760KB

Download
memory/2400-2-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2400-3-0x00000000003B0000-0x00000000003C8000-memory.dmp

Filesize
96KB

Download
memory/2400-4-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

Filesize
4KB

Download
memory/2400-5-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2400-6-0x0000000004A60000-0x0000000004AE2000-memory.dmp

Filesize
520KB

Download
memory/2400-7-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2400-22-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2716-16-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2716-18-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2716-21-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2716-20-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2716-23-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2716-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2716-13-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2716-12-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2716-10-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2716-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2716-26-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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