agenttesla | f4b9349afed77764e8478c1ba283b708f7529c9afd4e047d75fe04233e7e4ddb

Analysis

max time kernel
88s
max time network
125s
platform
windows10_x64
resource
win10
submitted
07/07/2020, 09:20

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General

Target

Invoice_pdf.exe
Size

552KB
MD5

c72e293b8bc1a7a7e513fd4b43d75541
SHA1

7a2328cb4c022b7cf996c1804af56b024ce15a98
SHA256

f4b9349afed77764e8478c1ba283b708f7529c9afd4e047d75fe04233e7e4ddb
SHA512

34ecd367b055ae15c8c2c44e24bdf391e4fff00fad5e95607cf17f184ed670ac8303e6daef65a98dc2f4d9b12ea09c4c1a4ce0f5188c6e86f680162600170f10

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.gascuenca.es
Port:
587
Username:
[email protected]
Password:
gasW204@Z7

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.gascuenca.es
Port:
587
Username:
[email protected]
Password:
gasW204@Z7

Signatures

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

AgentTesla Payload 2 IoCs

resource	yara_rule
behavioral2/memory/2540-0-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral2/memory/2540-1-0x0000000000446B8E-mapping.dmp	family_agenttesla

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

Data from Local System
T1005

Credentials in Files
T1081
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

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3788 set thread context of 2540	3788	Invoice_pdf.exe	67

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2540	Invoice_pdf.exe
2540	Invoice_pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2540	Invoice_pdf.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3788 wrote to memory of 2540	3788	Invoice_pdf.exe	67
PID 3788 wrote to memory of 2540	3788	Invoice_pdf.exe	67
PID 3788 wrote to memory of 2540	3788	Invoice_pdf.exe	67
PID 3788 wrote to memory of 2540	3788	Invoice_pdf.exe	67
PID 3788 wrote to memory of 2540	3788	Invoice_pdf.exe	67
PID 3788 wrote to memory of 2540	3788	Invoice_pdf.exe	67
PID 3788 wrote to memory of 2540	3788	Invoice_pdf.exe	67
PID 3788 wrote to memory of 2540	3788	Invoice_pdf.exe	67

C:\Users\Admin\AppData\Local\Temp\Invoice_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice_pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3788
- C:\Users\Admin\AppData\Local\Temp\Invoice_pdf.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2540

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2540-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

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