agenttesla | fb4e83e86a7922340756971d6c2de46ecb73aa0e55e62047702149267927dc3d

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27-04-2024 01:37

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General

Target

fb4e83e86a7922340756971d6c2de46ecb73aa0e55e62047702149267927dc3d.exe
Size

234KB
MD5

685545b03d8a83f08505c1236125eedf
SHA1

3f1659d4c2947ee4e34a5ad228aca205f0dc0630
SHA256

fb4e83e86a7922340756971d6c2de46ecb73aa0e55e62047702149267927dc3d
SHA512

99474261ec360d9727e1103c2f190d2a934c718c36cf59e905af0a27aba033a16ff8ff2b651e3a78af4f3bca82bc771f74c6be01508398ffd06f92ca97c034ad
SSDEEP

3072:8AcUyHjvD3D7QnzlSfEq+7DJyD5G10L8f:8ZUyHjvD3D7Qh+w7Fye0w

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.amtechprinting.com
Port:
21
Username:
[email protected]
Password:
B=OgTAJmiPuN

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

fb4e83e86a7922340756971d6c2de46ecb73aa0e55e62047702149267927dc3d.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\My App = "C:\\Users\\Admin\\AppData\\Roaming\\My App\\My App.exe"	fb4e83e86a7922340756971d6c2de46ecb73aa0e55e62047702149267927dc3d.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 api.ipify.org
5 api.ipify.org

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

fb4e83e86a7922340756971d6c2de46ecb73aa0e55e62047702149267927dc3d.exe

pid	process
360	fb4e83e86a7922340756971d6c2de46ecb73aa0e55e62047702149267927dc3d.exe
360	fb4e83e86a7922340756971d6c2de46ecb73aa0e55e62047702149267927dc3d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

fb4e83e86a7922340756971d6c2de46ecb73aa0e55e62047702149267927dc3d.exe

description pid process

Token: SeDebugPrivilege 360 fb4e83e86a7922340756971d6c2de46ecb73aa0e55e62047702149267927dc3d.exe

description	pid	process
Token: SeDebugPrivilege	360	fb4e83e86a7922340756971d6c2de46ecb73aa0e55e62047702149267927dc3d.exe

C:\Users\Admin\AppData\Local\Temp\fb4e83e86a7922340756971d6c2de46ecb73aa0e55e62047702149267927dc3d.exe
"C:\Users\Admin\AppData\Local\Temp\fb4e83e86a7922340756971d6c2de46ecb73aa0e55e62047702149267927dc3d.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:360

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/360-0-0x0000000000F60000-0x0000000000FA0000-memory.dmp

Filesize
256KB

Download
memory/360-1-0x0000000074640000-0x0000000074D2E000-memory.dmp

Filesize
6.9MB

Download
memory/360-3-0x0000000074640000-0x0000000074D2E000-memory.dmp

Filesize
6.9MB

Download