agenttesla | 6a9263966518a0954d30630177c32a28fa2dc297e154cc453d964034374b1009

General

Target

invoice.pdf.exe
Size

291KB
MD5

06c5295adf8e75f15e92282074f3109a
SHA1

1f85e23fd58e8438c0de85829da909d7b4be3dcc
SHA256

6a9263966518a0954d30630177c32a28fa2dc297e154cc453d964034374b1009
SHA512

11de33b485b90f1092991fdb011fdfa70a225f1ae525e6af72a09ccde21897a5f8469bc530b6a9e47b6c0a2c7beeb9b47dbbb01f81de8f4b2f330d17b04af1aa

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
chibuikelightwork1

Signatures

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

AgentTesla Payload 4 IoCs

resource	yara_rule
behavioral1/memory/336-2-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/336-3-0x0000000000446B9E-mapping.dmp	family_agenttesla
behavioral1/memory/336-4-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/336-5-0x0000000000400000-0x000000000044C000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1464 set thread context of 336	1464	invoice.pdf.exe	24

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
336	invoice.pdf.exe
336	invoice.pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	336	invoice.pdf.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
336	invoice.pdf.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1464 wrote to memory of 336	1464	invoice.pdf.exe	24
PID 1464 wrote to memory of 336	1464	invoice.pdf.exe	24
PID 1464 wrote to memory of 336	1464	invoice.pdf.exe	24
PID 1464 wrote to memory of 336	1464	invoice.pdf.exe	24
PID 1464 wrote to memory of 336	1464	invoice.pdf.exe	24
PID 1464 wrote to memory of 336	1464	invoice.pdf.exe	24
PID 1464 wrote to memory of 336	1464	invoice.pdf.exe	24
PID 1464 wrote to memory of 336	1464	invoice.pdf.exe	24
PID 1464 wrote to memory of 336	1464	invoice.pdf.exe	24

C:\Users\Admin\AppData\Local\Temp\invoice.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\invoice.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1464
- C:\Users\Admin\AppData\Local\Temp\invoice.pdf.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:336

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/336-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/336-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/336-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

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