agenttesla | 72194650611937c2ae4857628620d95d8b44980b4720667980f74522ec55695f

General

Target

invoice.pdf.exe
Size

525KB
MD5

76ba923b9fa2dc8344269a3943a1a3a9
SHA1

8206396fb4d9b5aebc02943b840b9cbd5919ca2d
SHA256

72194650611937c2ae4857628620d95d8b44980b4720667980f74522ec55695f
SHA512

97bbdd35c66c0009798c7d39daf61c9054128ff3dc9508ee3f3beefa6b39c3685ec86139d939401b9b78f92094696a69b680a7f5d8f3e20399d95786ead59a64

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/1824-2-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1824-3-0x0000000000446B9E-mapping.dmp	family_agenttesla
behavioral1/memory/1824-4-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1824-5-0x0000000000400000-0x000000000044C000-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 1412 set thread context of 1824	1412	invoice.pdf.exe	26

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1824	invoice.pdf.exe
1824	invoice.pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1824	invoice.pdf.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1824	invoice.pdf.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1412 wrote to memory of 1824	1412	invoice.pdf.exe	26
PID 1412 wrote to memory of 1824	1412	invoice.pdf.exe	26
PID 1412 wrote to memory of 1824	1412	invoice.pdf.exe	26
PID 1412 wrote to memory of 1824	1412	invoice.pdf.exe	26
PID 1412 wrote to memory of 1824	1412	invoice.pdf.exe	26
PID 1412 wrote to memory of 1824	1412	invoice.pdf.exe	26
PID 1412 wrote to memory of 1824	1412	invoice.pdf.exe	26
PID 1412 wrote to memory of 1824	1412	invoice.pdf.exe	26
PID 1412 wrote to memory of 1824	1412	invoice.pdf.exe	26

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:1412
- C:\Users\Admin\AppData\Local\Temp\invoice.pdf.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1824

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/1824-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1824-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1824-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

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