agenttesla | f892f7e0b4bcfd9084ac791d72a87a95a16ca175a154faf0a2e24da5dd205bce

General

Target

invoice.pdf.exe
Size

439KB
MD5

8e8165e74a734ef4504df4fc4b014f8d
SHA1

ce43b52541df7cdc3f4053d201517adb447005c9
SHA256

f892f7e0b4bcfd9084ac791d72a87a95a16ca175a154faf0a2e24da5dd205bce
SHA512

101124fe99affa3944d3fe225c1e3065548c2e0faff42dd58fcfbed295d91e41733a068e6a629aba91ad5c5258565cbd47f2f4544e10d8a418c7ae1edf5cb5f4

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/1616-2-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1616-3-0x0000000000446B9E-mapping.dmp	family_agenttesla
behavioral1/memory/1616-4-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1616-5-0x0000000000400000-0x000000000044C000-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 608 set thread context of 1616	608	invoice.pdf.exe	24

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1616	invoice.pdf.exe
1616	invoice.pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1616	invoice.pdf.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1616	invoice.pdf.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 608 wrote to memory of 1616	608	invoice.pdf.exe	24
PID 608 wrote to memory of 1616	608	invoice.pdf.exe	24
PID 608 wrote to memory of 1616	608	invoice.pdf.exe	24
PID 608 wrote to memory of 1616	608	invoice.pdf.exe	24
PID 608 wrote to memory of 1616	608	invoice.pdf.exe	24
PID 608 wrote to memory of 1616	608	invoice.pdf.exe	24
PID 608 wrote to memory of 1616	608	invoice.pdf.exe	24
PID 608 wrote to memory of 1616	608	invoice.pdf.exe	24
PID 608 wrote to memory of 1616	608	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:608
- C:\Users\Admin\AppData\Local\Temp\invoice.pdf.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1616

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/1616-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1616-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1616-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

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