agenttesla | 94e4d23e3ede10365bdc9ebcf52fab0428c693b3c8d768d4090139d9607d3f95

General

Target

INVOICE.exe
Size

479KB
MD5

bedc66c12a9045e1d8e89fd47ccd4ebb
SHA1

43be31d907ec599edcd6c64b61a5d464c02a981b
SHA256

94e4d23e3ede10365bdc9ebcf52fab0428c693b3c8d768d4090139d9607d3f95
SHA512

c807e423c21ea4c7d507f3d8f7023acc1863490c6f984762fd146bf64ce2ba92f5df143d4762b91eace2f807029be023bbdd29553e2aa49eafaa4193f8e1e6b6

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp-mail.outlook.com
Port:
587
Username:
[email protected]
Password:
pastor12

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/496-3-0x0000000000400000-0x000000000044D000-memory.dmp	family_agenttesla
behavioral2/memory/496-4-0x0000000006E80000-0x0000000006EB6000-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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

INVOICE.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\Task Scheduler Engine = "C:\\Users\\Admin\\AppData\\Roaming\\Task Scheduler Engine\\Task Scheduler Engine.exe"	INVOICE.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

INVOICE.exe

pid process

496 INVOICE.exe
496 INVOICE.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

INVOICE.exe

pid process

496 INVOICE.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

INVOICE.exe

description pid process

Token: SeDebugPrivilege 496 INVOICE.exe

pid	process
496	INVOICE.exe
496	INVOICE.exe

pid	process
496	INVOICE.exe

description	pid	process
Token: SeDebugPrivilege	496	INVOICE.exe

C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
PID:496

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

Replay Monitor

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Downloads

memory/496-2-0x00000000739E0000-0x00000000740CE000-memory.dmp

Filesize
6.9MB

Download
memory/496-3-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/496-4-0x0000000006E80000-0x0000000006EB6000-memory.dmp

Filesize
216KB

Download
memory/496-7-0x0000000006F82000-0x0000000006F83000-memory.dmp

Filesize
4KB

Download
memory/496-6-0x0000000006F80000-0x0000000006F81000-memory.dmp

Filesize
4KB

Download
memory/496-8-0x0000000006F83000-0x0000000006F84000-memory.dmp

Filesize
4KB

Download
memory/496-9-0x0000000007490000-0x0000000007491000-memory.dmp

Filesize
4KB

Download
memory/496-10-0x0000000007170000-0x0000000007171000-memory.dmp

Filesize
4KB

Download
memory/496-11-0x0000000006F84000-0x0000000006F85000-memory.dmp

Filesize
4KB

Download
memory/496-12-0x0000000006F50000-0x0000000006F51000-memory.dmp

Filesize
4KB

Download
memory/496-13-0x00000000070D0000-0x00000000070D1000-memory.dmp

Filesize
4KB

Download
memory/496-14-0x0000000007D80000-0x0000000007D81000-memory.dmp

Filesize
4KB

Download
memory/496-15-0x00000000019A0000-0x00000000019A1000-memory.dmp

Filesize
4KB

Download

Analysis

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