agenttesla | fc791c78855c0dd0effd2cccb62b28cb5bb6af46f21f617585a1621df2010c16

General

Target

FIZETES_.exe
Size

662KB
MD5

0cde1a2995583b772def2aee79527bbd
SHA1

9ef382592e5f7c26def5019d5d72d8c337eb9c76
SHA256

7450321c545b4676365fcabd4b741a51ffceda315e066f9b1dabd73a2d7ae517
SHA512

c9e7f34a3fd9dc12de24f47226affeba90ca7e131f1fd58d341c8146f4e06e0155e093597b00f3c0f0255e6227e98dfe5ce4f6fd2c268e48e06c8b72b98371a1
SSDEEP

12288:kgJXJTxigux7fh2vPuw4/utcvVV/TjFizeMUNLy2ZB:1XNxiXGHEGtgVvF5y

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.amwi.net
Port:
587
Username:
[email protected]
Password:
7_2se8Gr
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\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FIZETES_.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FIZETES_.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FIZETES_.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
34	api.ipify.org
33	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2176 set thread context of 3640	2176	FIZETES_.exe	92

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2176	FIZETES_.exe
2176	FIZETES_.exe
2176	FIZETES_.exe
2176	FIZETES_.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2176	FIZETES_.exe
Token: SeDebugPrivilege	3640	FIZETES_.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 536	2176	FIZETES_.exe	90
PID 2176 wrote to memory of 536	2176	FIZETES_.exe	90
PID 2176 wrote to memory of 536	2176	FIZETES_.exe	90
PID 2176 wrote to memory of 3296	2176	FIZETES_.exe	91
PID 2176 wrote to memory of 3296	2176	FIZETES_.exe	91
PID 2176 wrote to memory of 3296	2176	FIZETES_.exe	91
PID 2176 wrote to memory of 3640	2176	FIZETES_.exe	92
PID 2176 wrote to memory of 3640	2176	FIZETES_.exe	92
PID 2176 wrote to memory of 3640	2176	FIZETES_.exe	92
PID 2176 wrote to memory of 3640	2176	FIZETES_.exe	92
PID 2176 wrote to memory of 3640	2176	FIZETES_.exe	92
PID 2176 wrote to memory of 3640	2176	FIZETES_.exe	92
PID 2176 wrote to memory of 3640	2176	FIZETES_.exe	92
PID 2176 wrote to memory of 3640	2176	FIZETES_.exe	92

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	FIZETES_.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	FIZETES_.exe

C:\Users\Admin\AppData\Local\Temp\FIZETES_.exe
"C:\Users\Admin\AppData\Local\Temp\FIZETES_.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Users\Admin\AppData\Local\Temp\FIZETES_.exe
  "C:\Users\Admin\AppData\Local\Temp\FIZETES_.exe"
  2⤵
  PID:536
- C:\Users\Admin\AppData\Local\Temp\FIZETES_.exe
  "C:\Users\Admin\AppData\Local\Temp\FIZETES_.exe"
  2⤵
  PID:3296
- C:\Users\Admin\AppData\Local\Temp\FIZETES_.exe
  "C:\Users\Admin\AppData\Local\Temp\FIZETES_.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3640

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\FIZETES_.exe.log

Filesize
1KB

MD5
36049bae97bba745c793444373453cb0

SHA1
eb6e9a822944e8e207abba1a5e53f0183a1684f1

SHA256
839fa1f9725719938ffa24533587b168bae2768f23ac09dccb3ad4ab8ae6abcd

SHA512
a6584b7b435afeffb6becfbed82517087030eb23534fa50deecd02330bf36d633ba22e979e36b9c27e35885f9cc1cc9481dadc53cc265be61391e11a7c2c7cdb

Download Submit
memory/2176-134-0x0000000005410000-0x0000000005420000-memory.dmp

Filesize
64KB

Download
memory/2176-135-0x00000000059D0000-0x0000000005F74000-memory.dmp

Filesize
5.6MB

Download
memory/2176-136-0x0000000005420000-0x00000000054B2000-memory.dmp

Filesize
584KB

Download
memory/2176-137-0x0000000005410000-0x0000000005420000-memory.dmp

Filesize
64KB

Download
memory/2176-138-0x00000000063C0000-0x000000000645C000-memory.dmp

Filesize
624KB

Download
memory/2176-133-0x0000000000770000-0x000000000081C000-memory.dmp

Filesize
688KB

Download
memory/3640-139-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3640-142-0x0000000005260000-0x00000000052C6000-memory.dmp

Filesize
408KB

Download
memory/3640-143-0x0000000005590000-0x00000000055A0000-memory.dmp

Filesize
64KB

Download
memory/3640-144-0x0000000006C80000-0x0000000006C8A000-memory.dmp

Filesize
40KB

Download
memory/3640-145-0x0000000006EC0000-0x0000000006F10000-memory.dmp

Filesize
320KB

Download
memory/3640-146-0x00000000070E0000-0x00000000072A2000-memory.dmp

Filesize
1.8MB

Download
memory/3640-147-0x0000000005590000-0x00000000055A0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing