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-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FIZETES_.exe
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FIZETES_.exe
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\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
5	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1932 set thread context of 1504	1932	FIZETES_.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1504	FIZETES_.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 1504	1932	FIZETES_.exe	28
PID 1932 wrote to memory of 1504	1932	FIZETES_.exe	28
PID 1932 wrote to memory of 1504	1932	FIZETES_.exe	28
PID 1932 wrote to memory of 1504	1932	FIZETES_.exe	28
PID 1932 wrote to memory of 1504	1932	FIZETES_.exe	28
PID 1932 wrote to memory of 1504	1932	FIZETES_.exe	28
PID 1932 wrote to memory of 1504	1932	FIZETES_.exe	28
PID 1932 wrote to memory of 1504	1932	FIZETES_.exe	28
PID 1932 wrote to memory of 1504	1932	FIZETES_.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FIZETES_.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\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 use of WriteProcessMemory
PID:1932
- 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:1504

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

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Downloads

memory/1504-66-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1504-61-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1504-62-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1504-89-0x0000000004960000-0x00000000049A0000-memory.dmp

Filesize
256KB

Download
memory/1504-63-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1504-71-0x0000000004960000-0x00000000049A0000-memory.dmp

Filesize
256KB

Download
memory/1504-70-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1504-64-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1504-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1504-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1932-59-0x00000000055F0000-0x000000000565A000-memory.dmp

Filesize
424KB

Download
memory/1932-58-0x00000000005F0000-0x00000000005FC000-memory.dmp

Filesize
48KB

Download
memory/1932-54-0x0000000000ED0000-0x0000000000F7C000-memory.dmp

Filesize
688KB

Download
memory/1932-56-0x00000000002D0000-0x00000000002E4000-memory.dmp

Filesize
80KB

Download
memory/1932-60-0x0000000000790000-0x00000000007C2000-memory.dmp

Filesize
200KB

Download
memory/1932-55-0x0000000000CE0000-0x0000000000D20000-memory.dmp

Filesize
256KB

Download
memory/1932-57-0x0000000000CE0000-0x0000000000D20000-memory.dmp

Filesize
256KB

Download

Analysis

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