agenttesla | ec7011e10454bc70ce1839eb803037a8cdd9f832cc9301759a6d7da06d0e8a17

General

Target

Carta n° 2024-10-16T14040024.971.doc.exe
Size

812KB
MD5

2788e0e233dfa0671c63179549ad16ed
SHA1

d9edf6671d0e7abf960a1c5dc8c6a126ec8f2c23
SHA256

5b79bb5c716c9797e048785965be3c3a54a73a587d23d0027130cb31b618e124
SHA512

359e41da27a9e214d2d08eb8f340a6951a53a717078254cf4889e039c9cbc86e7f159fb2c94fa1f9f49d6f80d2fa667f67f7084d074f6a82726578c8c5f6a6da
SSDEEP

12288:o53yuZG8+De1kIse8LRWjrZCollIoNE8krZu3zvK541r8m:o53yuZGVteKRyjl6ikdCzvy41r

Score

10^/10

agenttesla collection discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.aminhacorretora.com.br
Port:
21
Username:
[email protected]
Password:
_yA=,M5*J?KH

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4608 set thread context of 3944	4608	Carta n° 2024-10-16T14040024.971.doc.exe	101

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Carta n° 2024-10-16T14040024.971.doc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4608	Carta n° 2024-10-16T14040024.971.doc.exe
4608	Carta n° 2024-10-16T14040024.971.doc.exe
4608	Carta n° 2024-10-16T14040024.971.doc.exe
4608	Carta n° 2024-10-16T14040024.971.doc.exe
4608	Carta n° 2024-10-16T14040024.971.doc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4608	Carta n° 2024-10-16T14040024.971.doc.exe
Token: SeDebugPrivilege	3944	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4608 wrote to memory of 3944	4608	Carta n° 2024-10-16T14040024.971.doc.exe	101
PID 4608 wrote to memory of 3944	4608	Carta n° 2024-10-16T14040024.971.doc.exe	101
PID 4608 wrote to memory of 3944	4608	Carta n° 2024-10-16T14040024.971.doc.exe	101
PID 4608 wrote to memory of 3944	4608	Carta n° 2024-10-16T14040024.971.doc.exe	101
PID 4608 wrote to memory of 3944	4608	Carta n° 2024-10-16T14040024.971.doc.exe	101
PID 4608 wrote to memory of 3944	4608	Carta n° 2024-10-16T14040024.971.doc.exe	101
PID 4608 wrote to memory of 3944	4608	Carta n° 2024-10-16T14040024.971.doc.exe	101
PID 4608 wrote to memory of 3944	4608	Carta n° 2024-10-16T14040024.971.doc.exe	101

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\Carta n° 2024-10-16T14040024.971.doc.exe
"C:\Users\Admin\AppData\Local\Temp\Carta n° 2024-10-16T14040024.971.doc.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4608
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3944

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3944-13-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3944-30-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/3944-20-0x0000000006A80000-0x0000000006C42000-memory.dmp

Filesize
1.8MB

Download
memory/3944-19-0x0000000006860000-0x00000000068B0000-memory.dmp

Filesize
320KB

Download
memory/3944-18-0x0000000005390000-0x00000000053F6000-memory.dmp

Filesize
408KB

Download
memory/3944-17-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/3944-16-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/4608-10-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/4608-6-0x0000000004E60000-0x0000000004EFE000-memory.dmp

Filesize
632KB

Download
memory/4608-9-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/4608-0-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/4608-11-0x0000000006480000-0x000000000649A000-memory.dmp

Filesize
104KB

Download
memory/4608-12-0x00000000065F0000-0x00000000065F6000-memory.dmp

Filesize
24KB

Download
memory/4608-7-0x00000000052A0000-0x00000000052AA000-memory.dmp

Filesize
40KB

Download
memory/4608-8-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/4608-15-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/4608-5-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/4608-4-0x0000000005410000-0x00000000059B4000-memory.dmp

Filesize
5.6MB

Download
memory/4608-3-0x0000000004DC0000-0x0000000004E5C000-memory.dmp

Filesize
624KB

Download
memory/4608-2-0x0000000004D20000-0x0000000004DB2000-memory.dmp

Filesize
584KB

Download
memory/4608-1-0x00000000007E0000-0x00000000008B2000-memory.dmp

Filesize
840KB

Download

Analysis

Sharing