agenttesla | b064d18c661ab69f54f7a4f1c1ea167553a6a324a859271a17203f2741a22c8e

General

Target

Over.exe
Size

565KB
MD5

93da8515438ce678f4524bb46b730944
SHA1

63298cd943c95a626e6b129cb0628011304ef0c7
SHA256

b064d18c661ab69f54f7a4f1c1ea167553a6a324a859271a17203f2741a22c8e
SHA512

694f7cbf1593a42db90e951afbb7e590637f20e127165add34f5e049050abf1fcc0237a9c5b172fc47a2acd2e58814de9bad856880e8e13f49430322c87271cb

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mexicanproduct.com.mx
Port:
587
Username:
[email protected]
Password:
Produccion2020.

Signatures

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

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1784-4-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/1784-5-0x000000000044983E-mapping.dmp	family_agenttesla
behavioral1/memory/1784-6-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/1784-7-0x0000000000400000-0x000000000044E000-memory.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

Processes:

Over.exe

description pid process target process

PID 1232 set thread context of 1784 1232 Over.exe Over.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1836 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Over.exe

pid process

1784 Over.exe
1784 Over.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Over.exe

description pid process

Token: SeDebugPrivilege 1784 Over.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Over.exe

pid process

1784 Over.exe

description	pid	process	target process
PID 1232 set thread context of 1784	1232	Over.exe	Over.exe

pid	process
1836	schtasks.exe

pid	process
1784	Over.exe
1784	Over.exe

description	pid	process
Token: SeDebugPrivilege	1784	Over.exe

pid	process
1784	Over.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Over.exe

description	pid	process	target process
PID 1232 wrote to memory of 1836	1232	Over.exe	schtasks.exe
PID 1232 wrote to memory of 1836	1232	Over.exe	schtasks.exe
PID 1232 wrote to memory of 1836	1232	Over.exe	schtasks.exe
PID 1232 wrote to memory of 1836	1232	Over.exe	schtasks.exe
PID 1232 wrote to memory of 1784	1232	Over.exe	Over.exe
PID 1232 wrote to memory of 1784	1232	Over.exe	Over.exe
PID 1232 wrote to memory of 1784	1232	Over.exe	Over.exe
PID 1232 wrote to memory of 1784	1232	Over.exe	Over.exe
PID 1232 wrote to memory of 1784	1232	Over.exe	Over.exe
PID 1232 wrote to memory of 1784	1232	Over.exe	Over.exe
PID 1232 wrote to memory of 1784	1232	Over.exe	Over.exe
PID 1232 wrote to memory of 1784	1232	Over.exe	Over.exe
PID 1232 wrote to memory of 1784	1232	Over.exe	Over.exe

C:\Users\Admin\AppData\Local\Temp\Over.exe
"C:\Users\Admin\AppData\Local\Temp\Over.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1232

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XAznNXTNlFz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp531E.tmp"
2⤵
- Creates scheduled task(s)
PID:1836

C:\Users\Admin\AppData\Local\Temp\Over.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1784

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp531E.tmp

MD5
4efdac18a79b23b618760ebfb57a75df

SHA1
c5b4269b8c3b4aa56028290871216ef5508db4f3

SHA256
eed9e241e32ed0bc32b34b60fcb29a57b3eda316f046e96afbfc7e5e8d951f23

SHA512
198455b703bbaa5d7c52cc60b4fed7ce233f800f7e9ab0ebc507fb70c68f7759dc7adc950ecbb3d21a36dbf3138f0c74e5960285dc1bf47aaf86cbd2c5f6420e

Download Submit
memory/1232-1-0x0000000000000000-0x0000000000000000-disk.dmp

Download
memory/1784-4-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1784-5-0x000000000044983E-mapping.dmp

Download
memory/1784-6-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1784-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1836-2-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads