agenttesla | 06a9a060648ff5e7c338ff73ef455dd96047597c53a7d53f58d72ffb77e4979f

General

Target

Ensconxxftid8.exe
Size

641KB
MD5

9ea80f0b2541fdede1ff6bee281e1635
SHA1

01058836bf00ea1f55805e3f1530c1f6d77b5f13
SHA256

06a9a060648ff5e7c338ff73ef455dd96047597c53a7d53f58d72ffb77e4979f
SHA512

fdbb89e1aa38f3e0c9871d693776a89f9fffdc774d3a1785393d755f50275b76ca6953ae91fedb4b89da1defb5b4499e3aee07703e4f700837ea2a23cc143616

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.baharanvilla.ir
Port:
587
Username:
cgi@baharanvilla.ir
Password:
NFpAfIKCoT+L

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/1616-7-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1616-8-0x000000000043776E-mapping.dmp	family_agenttesla
behavioral1/memory/1616-9-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1616-10-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

Ensconxxftid8.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts Ensconxxftid8.exe
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

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	Ensconxxftid8.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Ensconxxftid8.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\vlc = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\VideoLAN\\vlc.exe\""	Ensconxxftid8.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

7 api.ipify.org
8 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Ensconxxftid8.exe

description pid process target process

PID 1824 set thread context of 1616 1824 Ensconxxftid8.exe Ensconxxftid8.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Ensconxxftid8.exe

pid process

1616 Ensconxxftid8.exe
1616 Ensconxxftid8.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Ensconxxftid8.exeEnsconxxftid8.exe

description pid process

Token: SeDebugPrivilege 1824 Ensconxxftid8.exe
Token: SeDebugPrivilege 1616 Ensconxxftid8.exe

flow	ioc
7	api.ipify.org
8	api.ipify.org

description	pid	process	target process
PID 1824 set thread context of 1616	1824	Ensconxxftid8.exe	Ensconxxftid8.exe

pid	process
1616	Ensconxxftid8.exe
1616	Ensconxxftid8.exe

description	pid	process
Token: SeDebugPrivilege	1824	Ensconxxftid8.exe
Token: SeDebugPrivilege	1616	Ensconxxftid8.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Ensconxxftid8.exe

description	pid	process	target process
PID 1824 wrote to memory of 1616	1824	Ensconxxftid8.exe	Ensconxxftid8.exe
PID 1824 wrote to memory of 1616	1824	Ensconxxftid8.exe	Ensconxxftid8.exe
PID 1824 wrote to memory of 1616	1824	Ensconxxftid8.exe	Ensconxxftid8.exe
PID 1824 wrote to memory of 1616	1824	Ensconxxftid8.exe	Ensconxxftid8.exe
PID 1824 wrote to memory of 1616	1824	Ensconxxftid8.exe	Ensconxxftid8.exe
PID 1824 wrote to memory of 1616	1824	Ensconxxftid8.exe	Ensconxxftid8.exe
PID 1824 wrote to memory of 1616	1824	Ensconxxftid8.exe	Ensconxxftid8.exe
PID 1824 wrote to memory of 1616	1824	Ensconxxftid8.exe	Ensconxxftid8.exe
PID 1824 wrote to memory of 1616	1824	Ensconxxftid8.exe	Ensconxxftid8.exe
PID 1824 wrote to memory of 1616	1824	Ensconxxftid8.exe	Ensconxxftid8.exe
PID 1824 wrote to memory of 1616	1824	Ensconxxftid8.exe	Ensconxxftid8.exe
PID 1824 wrote to memory of 1616	1824	Ensconxxftid8.exe	Ensconxxftid8.exe

C:\Users\Admin\AppData\Local\Temp\Ensconxxftid8.exe
"C:\Users\Admin\AppData\Local\Temp\Ensconxxftid8.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1824

C:\Users\Admin\AppData\Local\Temp\Ensconxxftid8.exe
"C:\Users\Admin\AppData\Local\Temp\Ensconxxftid8.exe"
2⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1616

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

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Downloads

memory/1616-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1616-8-0x000000000043776E-mapping.dmp

Download
memory/1616-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1616-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1616-11-0x0000000074570000-0x0000000074C5E000-memory.dmp

Filesize
6.9MB

Download
memory/1824-2-0x0000000074570000-0x0000000074C5E000-memory.dmp

Filesize
6.9MB

Download
memory/1824-3-0x00000000010D0000-0x00000000010D1000-memory.dmp

Filesize
4KB

Download
memory/1824-5-0x00000000008A0000-0x00000000008EC000-memory.dmp

Filesize
304KB

Download
memory/1824-6-0x0000000000B20000-0x0000000000B36000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads