agenttesla | 3ff025b2afb4238d8f324a45882291f830ff581d6bec17a0cc2d86c58ce5f896

Analysis

max time kernel
112s
max time network
112s
platform
windows10_x64
resource
win10v20210408
submitted
22-04-2021 08:19

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General

Target

2.exe
Size

1.2MB
MD5

b86c18379bb65ae5f0360660e03134e6
SHA1

7637e6a6a0084b4fb31fd469f904e69555345d76
SHA256

3ff025b2afb4238d8f324a45882291f830ff581d6bec17a0cc2d86c58ce5f896
SHA512

f482ab69f3c35a09ab35a991deb2a25aaf8a22c3a76885d846795da5247fd139ebf2e60fe1cecad131b33bfba082498f9b62cbfb02f981fcc634869b4b6cbe8d

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
[email protected]
Password:
Facebook005

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3920-116-0x000000001C310000-0x000000001C3B7000-memory.dmp	family_agenttesla
behavioral2/memory/3920-118-0x00000000011A0000-0x00000000011D7000-memory.dmp	family_agenttesla

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
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 stealer

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 stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

2.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\file.exe = "C:\\Users\\Admin\\AppData\\Roaming\\file\\file.exe"	2.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2.exe

pid process

3920 2.exe
3920 2.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

2.exe

description pid process

Token: SeDebugPrivilege 3920 2.exe

pid	process
3920	2.exe
3920	2.exe

description	pid	process
Token: SeDebugPrivilege	3920	2.exe

C:\Users\Admin\AppData\Local\Temp\2.exe
"C:\Users\Admin\AppData\Local\Temp\2.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3920

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3920-114-0x0000000000850000-0x0000000000851000-memory.dmp

Filesize
4KB

Download
memory/3920-116-0x000000001C310000-0x000000001C3B7000-memory.dmp

Filesize
668KB

Download
memory/3920-117-0x000000001C3E0000-0x000000001C3E2000-memory.dmp

Filesize
8KB

Download
memory/3920-118-0x00000000011A0000-0x00000000011D7000-memory.dmp

Filesize
220KB

Download