agenttesla | b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608

General

Target

b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe
Size

687KB
MD5

fafeeab4defa8202f4a4511aaeb12171
SHA1

22adda5e16b1c893eac440e37879383749f2670d
SHA256

b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608
SHA512

b68d865295ab06e7103938640ec72c4b8c5087da84a941f17850eb82ca0d54b2b3305c0294d310fe2de036f67560a6dce3ce4d5ab3edcf07e3f6f390df95301c
SSDEEP

12288:Q1x504bF9nOO6Fmd+zdOH8jmv40avbwziQspRmJ7PQmVPn8NOyG3sRbT:Q1w4b/nePd68ivt+wB0mbv8NOybRbT

Score

10^/10

agenttesla execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.grupoautorep.com
Port:
587
Username:
[email protected]
Password:
Autorep2023.*
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

Processes:

powershell.exe

pid process

1648 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

pid	process
1648	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe

description	pid	process	target process
PID 1032 set thread context of 2612	1032	b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe	b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exeb939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exepowershell.exe

pid	process
1032	b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe
1032	b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe
2612	b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe
2612	b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe
1648	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exeb939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1032	b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe
Token: SeDebugPrivilege	2612	b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe
Token: SeDebugPrivilege	1648	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe

description	pid	process	target process
PID 1032 wrote to memory of 1648	1032	b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe	powershell.exe
PID 1032 wrote to memory of 1648	1032	b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe	powershell.exe
PID 1032 wrote to memory of 1648	1032	b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe	powershell.exe
PID 1032 wrote to memory of 1648	1032	b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe	powershell.exe
PID 1032 wrote to memory of 2612	1032	b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe	b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe
PID 1032 wrote to memory of 2612	1032	b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe	b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe
PID 1032 wrote to memory of 2612	1032	b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe	b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe
PID 1032 wrote to memory of 2612	1032	b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe	b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe
PID 1032 wrote to memory of 2612	1032	b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe	b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe
PID 1032 wrote to memory of 2612	1032	b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe	b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe
PID 1032 wrote to memory of 2612	1032	b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe	b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe
PID 1032 wrote to memory of 2612	1032	b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe	b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe
PID 1032 wrote to memory of 2612	1032	b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe	b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe

C:\Users\Admin\AppData\Local\Temp\b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe
"C:\Users\Admin\AppData\Local\Temp\b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1032

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\b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1648

C:\Users\Admin\AppData\Local\Temp\b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe
"C:\Users\Admin\AppData\Local\Temp\b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2612

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

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1032-17-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download
memory/1032-1-0x0000000000E30000-0x0000000000EE2000-memory.dmp

Filesize
712KB

Download
memory/1032-2-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download
memory/1032-3-0x0000000000510000-0x000000000052A000-memory.dmp

Filesize
104KB

Download
memory/1032-4-0x00000000006A0000-0x00000000006B0000-memory.dmp

Filesize
64KB

Download
memory/1032-5-0x0000000005C70000-0x0000000005CF2000-memory.dmp

Filesize
520KB

Download
memory/1032-0-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

Filesize
4KB

Download
memory/2612-6-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2612-14-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2612-12-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2612-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2612-9-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2612-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2612-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2612-16-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads