agenttesla | a4aff5f8c86c34108bf9b1692610af47515e71702fd322a9b26185c1588c6a15

General

Target

invoice8576758744y585886768.exe

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.curidesigner.com/
Port:
21
Username:
[email protected]
Password:
boygirl123456

Signatures

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

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1704-8-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1704-9-0x00000000004374DE-mapping.dmp	family_agenttesla
behavioral1/memory/1704-11-0x0000000000400000-0x000000000043C000-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:

invoice8576758744y585886768.exe

description pid process target process

PID 912 set thread context of 1704 912 invoice8576758744y585886768.exe invoice8576758744y585886768.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

invoice8576758744y585886768.exe

pid process

1704 invoice8576758744y585886768.exe
1704 invoice8576758744y585886768.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

invoice8576758744y585886768.exe

description pid process

Token: SeDebugPrivilege 1704 invoice8576758744y585886768.exe

description	pid	process	target process
PID 912 set thread context of 1704	912	invoice8576758744y585886768.exe	invoice8576758744y585886768.exe

pid	process
1704	invoice8576758744y585886768.exe
1704	invoice8576758744y585886768.exe

description	pid	process
Token: SeDebugPrivilege	1704	invoice8576758744y585886768.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

invoice8576758744y585886768.exe

description	pid	process	target process
PID 912 wrote to memory of 1704	912	invoice8576758744y585886768.exe	invoice8576758744y585886768.exe
PID 912 wrote to memory of 1704	912	invoice8576758744y585886768.exe	invoice8576758744y585886768.exe
PID 912 wrote to memory of 1704	912	invoice8576758744y585886768.exe	invoice8576758744y585886768.exe
PID 912 wrote to memory of 1704	912	invoice8576758744y585886768.exe	invoice8576758744y585886768.exe
PID 912 wrote to memory of 1704	912	invoice8576758744y585886768.exe	invoice8576758744y585886768.exe
PID 912 wrote to memory of 1704	912	invoice8576758744y585886768.exe	invoice8576758744y585886768.exe
PID 912 wrote to memory of 1704	912	invoice8576758744y585886768.exe	invoice8576758744y585886768.exe
PID 912 wrote to memory of 1704	912	invoice8576758744y585886768.exe	invoice8576758744y585886768.exe
PID 912 wrote to memory of 1704	912	invoice8576758744y585886768.exe	invoice8576758744y585886768.exe

C:\Users\Admin\AppData\Local\Temp\invoice8576758744y585886768.exe
"C:\Users\Admin\AppData\Local\Temp\invoice8576758744y585886768.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:912

C:\Users\Admin\AppData\Local\Temp\invoice8576758744y585886768.exe
"C:\Users\Admin\AppData\Local\Temp\invoice8576758744y585886768.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1704

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/912-2-0x00000000748D0000-0x0000000074FBE000-memory.dmp

Filesize
6.9MB

Download
memory/912-3-0x0000000000810000-0x0000000000811000-memory.dmp

Filesize
4KB

Download
memory/912-5-0x00000000005D0000-0x00000000005D3000-memory.dmp

Filesize
12KB

Download
memory/912-6-0x0000000004DB0000-0x0000000004DB1000-memory.dmp

Filesize
4KB

Download
memory/912-7-0x0000000004C20000-0x0000000004C88000-memory.dmp

Filesize
416KB

Download
memory/1704-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1704-9-0x00000000004374DE-mapping.dmp

Download
memory/1704-10-0x00000000748D0000-0x0000000074FBE000-memory.dmp

Filesize
6.9MB

Download
memory/1704-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1704-13-0x0000000004B20000-0x0000000004B21000-memory.dmp

Filesize
4KB

Download
memory/1704-14-0x0000000004B21000-0x0000000004B22000-memory.dmp

Filesize
4KB

Download

Analysis

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