agenttesla | 071bf4f3f134c97ac9f34772d2eb873fc8f2a539b6009d7b914dc4a3b0b7cc48

General

Target

recibo de pago OC456337.jpg.exe
Size

592KB
MD5

3461fd2c8482af651b818f61dd049e42
SHA1

b4dc69de92f2cf210c615e6ec506d3a1d21aa777
SHA256

3a33384b0027c321a9643ba9428d7227aa6b4401e3882f91cc93539590500411
SHA512

d18de0295cacc0286b65eb90202b8f0d4cedf233e552c4c13e48b092014ddb2a955203a0d6f8fa080388cd384703c75ad8a029cf1e5378559a5e5ec827655bcc
SSDEEP

12288:Cf2iNeUDMY+SnwYmTzsht19PL3MyE+q8IZroJWURe/hN2dVzXYt:Cf1AUDX+RFshbJ8yE+iFoJWEeZN2dxY

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.corpsa.net
Port:
587
Username:
[email protected]
Password:
[+{mHgVpgTGe
Email To:
[email protected]

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	recibo de pago OC456337.jpg.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	recibo de pago OC456337.jpg.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	recibo de pago OC456337.jpg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1008 set thread context of 3836	1008	recibo de pago OC456337.jpg.exe	85

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3836	recibo de pago OC456337.jpg.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1008 wrote to memory of 3836	1008	recibo de pago OC456337.jpg.exe	85
PID 1008 wrote to memory of 3836	1008	recibo de pago OC456337.jpg.exe	85
PID 1008 wrote to memory of 3836	1008	recibo de pago OC456337.jpg.exe	85
PID 1008 wrote to memory of 3836	1008	recibo de pago OC456337.jpg.exe	85
PID 1008 wrote to memory of 3836	1008	recibo de pago OC456337.jpg.exe	85
PID 1008 wrote to memory of 3836	1008	recibo de pago OC456337.jpg.exe	85
PID 1008 wrote to memory of 3836	1008	recibo de pago OC456337.jpg.exe	85
PID 1008 wrote to memory of 3836	1008	recibo de pago OC456337.jpg.exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	recibo de pago OC456337.jpg.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	recibo de pago OC456337.jpg.exe

C:\Users\Admin\AppData\Local\Temp\recibo de pago OC456337.jpg.exe
"C:\Users\Admin\AppData\Local\Temp\recibo de pago OC456337.jpg.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1008
- C:\Users\Admin\AppData\Local\Temp\recibo de pago OC456337.jpg.exe
  "C:\Users\Admin\AppData\Local\Temp\recibo de pago OC456337.jpg.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3836

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

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\recibo de pago OC456337.jpg.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1008-139-0x0000000006980000-0x0000000006A1C000-memory.dmp

Filesize
624KB

Download
memory/1008-135-0x0000000004D10000-0x0000000004DA2000-memory.dmp

Filesize
584KB

Download
memory/1008-136-0x0000000004EA0000-0x0000000004EB0000-memory.dmp

Filesize
64KB

Download
memory/1008-137-0x0000000004CE0000-0x0000000004CEA000-memory.dmp

Filesize
40KB

Download
memory/1008-138-0x0000000004EA0000-0x0000000004EB0000-memory.dmp

Filesize
64KB

Download
memory/1008-133-0x00000000002A0000-0x000000000033A000-memory.dmp

Filesize
616KB

Download
memory/1008-134-0x00000000052C0000-0x0000000005864000-memory.dmp

Filesize
5.6MB

Download
memory/3836-140-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3836-143-0x0000000005870000-0x00000000058D6000-memory.dmp

Filesize
408KB

Download
memory/3836-144-0x00000000057C0000-0x00000000057D0000-memory.dmp

Filesize
64KB

Download
memory/3836-145-0x0000000006A60000-0x0000000006AB0000-memory.dmp

Filesize
320KB

Download
memory/3836-146-0x0000000006DC0000-0x0000000006F82000-memory.dmp

Filesize
1.8MB

Download
memory/3836-147-0x00000000057C0000-0x00000000057D0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing