agenttesla | 8b2bd0a7daa254d08821f0dc8ab92776aa76c9d5f68bc25eeec053fa4ca030ba

General

Target

Payment Assistance.pdf''.exe
Size

771KB
MD5

603f42dcb85fbd19933316cf1b6bedd4
SHA1

33c38e2625cb5f44fcc1c44beec75db09718ce10
SHA256

276144fa4171733571ff6940ef10a3bb603028c99c51093d074f6cda0d65afda
SHA512

14fe5a280a055355e2a11eda7fd1e36392a50632bd4779e9651a7f161dd6f4f10c2f150b977ed80a6bd88c542df0aec5a8c57193e9d80459b961f6343c0274d6

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.lallyautomobiles.net
Port:
587
Username:
[email protected]
Password:
Welcome@2021

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/320-66-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/320-67-0x000000000043762E-mapping.dmp	family_agenttesla
behavioral1/memory/320-68-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

Payment Assistance.pdf''.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts Payment Assistance.pdf''.exe
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

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	Payment Assistance.pdf''.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Payment Assistance.pdf''.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe"	Payment Assistance.pdf''.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Payment Assistance.pdf''.exe

description pid process target process

PID 1028 set thread context of 320 1028 Payment Assistance.pdf''.exe Payment Assistance.pdf''.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Payment Assistance.pdf''.exePayment Assistance.pdf''.exe

pid process

1028 Payment Assistance.pdf''.exe
1028 Payment Assistance.pdf''.exe
320 Payment Assistance.pdf''.exe
320 Payment Assistance.pdf''.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Payment Assistance.pdf''.exePayment Assistance.pdf''.exe

description pid process

Token: SeDebugPrivilege 1028 Payment Assistance.pdf''.exe
Token: SeDebugPrivilege 320 Payment Assistance.pdf''.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Payment Assistance.pdf''.exe

pid process

320 Payment Assistance.pdf''.exe

description	pid	process	target process
PID 1028 set thread context of 320	1028	Payment Assistance.pdf''.exe	Payment Assistance.pdf''.exe

pid	process
1028	Payment Assistance.pdf''.exe
1028	Payment Assistance.pdf''.exe
320	Payment Assistance.pdf''.exe
320	Payment Assistance.pdf''.exe

description	pid	process
Token: SeDebugPrivilege	1028	Payment Assistance.pdf''.exe
Token: SeDebugPrivilege	320	Payment Assistance.pdf''.exe

pid	process
320	Payment Assistance.pdf''.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Payment Assistance.pdf''.exe

description	pid	process	target process
PID 1028 wrote to memory of 520	1028	Payment Assistance.pdf''.exe	Payment Assistance.pdf''.exe
PID 1028 wrote to memory of 520	1028	Payment Assistance.pdf''.exe	Payment Assistance.pdf''.exe
PID 1028 wrote to memory of 520	1028	Payment Assistance.pdf''.exe	Payment Assistance.pdf''.exe
PID 1028 wrote to memory of 520	1028	Payment Assistance.pdf''.exe	Payment Assistance.pdf''.exe
PID 1028 wrote to memory of 320	1028	Payment Assistance.pdf''.exe	Payment Assistance.pdf''.exe
PID 1028 wrote to memory of 320	1028	Payment Assistance.pdf''.exe	Payment Assistance.pdf''.exe
PID 1028 wrote to memory of 320	1028	Payment Assistance.pdf''.exe	Payment Assistance.pdf''.exe
PID 1028 wrote to memory of 320	1028	Payment Assistance.pdf''.exe	Payment Assistance.pdf''.exe
PID 1028 wrote to memory of 320	1028	Payment Assistance.pdf''.exe	Payment Assistance.pdf''.exe
PID 1028 wrote to memory of 320	1028	Payment Assistance.pdf''.exe	Payment Assistance.pdf''.exe
PID 1028 wrote to memory of 320	1028	Payment Assistance.pdf''.exe	Payment Assistance.pdf''.exe
PID 1028 wrote to memory of 320	1028	Payment Assistance.pdf''.exe	Payment Assistance.pdf''.exe
PID 1028 wrote to memory of 320	1028	Payment Assistance.pdf''.exe	Payment Assistance.pdf''.exe

C:\Users\Admin\AppData\Local\Temp\Payment Assistance.pdf''.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Assistance.pdf''.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1028

C:\Users\Admin\AppData\Local\Temp\Payment Assistance.pdf''.exe
"{path}"
2⤵
PID:520

C:\Users\Admin\AppData\Local\Temp\Payment Assistance.pdf''.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:320

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

memory/320-66-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/320-67-0x000000000043762E-mapping.dmp

Download
memory/320-68-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/320-70-0x0000000002050000-0x0000000002051000-memory.dmp

Filesize
4KB

Download
memory/320-71-0x0000000002051000-0x0000000002052000-memory.dmp

Filesize
4KB

Download
memory/1028-60-0x0000000000B70000-0x0000000000B71000-memory.dmp

Filesize
4KB

Download
memory/1028-62-0x0000000004E80000-0x0000000004E81000-memory.dmp

Filesize
4KB

Download
memory/1028-63-0x0000000000290000-0x0000000000295000-memory.dmp

Filesize
20KB

Download
memory/1028-64-0x0000000005F30000-0x0000000005FAA000-memory.dmp

Filesize
488KB

Download
memory/1028-65-0x0000000000B10000-0x0000000000B48000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads