agenttesla | c11d3e952d5ce223ed5ce78b71fcb383faaab5046f3feb38c6b7ad2f85463225

General

Target

malw.exe
Size

1.2MB
MD5

22d9e4c8cc847c00f6960db7a8c72e5e
SHA1

7d3b6f9cc791e59cb94e7535264bbd341a308816
SHA256

c11d3e952d5ce223ed5ce78b71fcb383faaab5046f3feb38c6b7ad2f85463225
SHA512

bf567707a42f8a774c707324d349323f2a42805d8541b5f610a4b679b3d0a10ffe37a02f1fe51f3d7ae772dee74c6ba133889869cda443ba1a64358a611c9951
SSDEEP

12288:vbholoJNhQ/cWS7stme4I1JoqHUt9LhPceZ1Z/TTE7FR5nLbySOQl:qiJN+UVskaJd0t9LhPPZc7Fnb

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6882044231:AAEdfz6RtcLc5FDAwOwS8UYabnK3tQ7x4bs/

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
2872	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 2804 set thread context of 2912	2804	malw.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	malw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	malw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2912	malw.exe
2912	malw.exe
2872	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2912	malw.exe
Token: SeDebugPrivilege	2872	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 2872	2804	malw.exe	30
PID 2804 wrote to memory of 2872	2804	malw.exe	30
PID 2804 wrote to memory of 2872	2804	malw.exe	30
PID 2804 wrote to memory of 2872	2804	malw.exe	30
PID 2804 wrote to memory of 2912	2804	malw.exe	31
PID 2804 wrote to memory of 2912	2804	malw.exe	31
PID 2804 wrote to memory of 2912	2804	malw.exe	31
PID 2804 wrote to memory of 2912	2804	malw.exe	31
PID 2804 wrote to memory of 2912	2804	malw.exe	31
PID 2804 wrote to memory of 2912	2804	malw.exe	31
PID 2804 wrote to memory of 2912	2804	malw.exe	31
PID 2804 wrote to memory of 2912	2804	malw.exe	31
PID 2804 wrote to memory of 2912	2804	malw.exe	31

C:\Users\Admin\AppData\Local\Temp\malw.exe
"C:\Users\Admin\AppData\Local\Temp\malw.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2804
- 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\malw.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2872
- C:\Users\Admin\AppData\Local\Temp\malw.exe
  "C:\Users\Admin\AppData\Local\Temp\malw.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2912

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

Loading Replay Monitor...

Downloads

memory/2804-0-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

Filesize
4KB

Download
memory/2804-1-0x0000000000C60000-0x0000000000D2A000-memory.dmp

Filesize
808KB

Download
memory/2804-2-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/2804-3-0x00000000005D0000-0x00000000005F6000-memory.dmp

Filesize
152KB

Download
memory/2804-4-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

Filesize
4KB

Download
memory/2804-5-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/2804-6-0x000000000A2A0000-0x000000000A326000-memory.dmp

Filesize
536KB

Download
memory/2804-25-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/2912-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2912-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2912-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2912-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2912-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2912-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2912-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2912-23-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/2912-24-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/2912-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2912-28-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing