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-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FIZETES_.exe
Key opened	\REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FIZETES_.exe
Key opened	\REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\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
8	api.ipify.org
9	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4040 set thread context of 5032	4040	FIZETES_.exe	66

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5032	FIZETES_.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4040 wrote to memory of 5032	4040	FIZETES_.exe	66
PID 4040 wrote to memory of 5032	4040	FIZETES_.exe	66
PID 4040 wrote to memory of 5032	4040	FIZETES_.exe	66
PID 4040 wrote to memory of 5032	4040	FIZETES_.exe	66
PID 4040 wrote to memory of 5032	4040	FIZETES_.exe	66
PID 4040 wrote to memory of 5032	4040	FIZETES_.exe	66
PID 4040 wrote to memory of 5032	4040	FIZETES_.exe	66
PID 4040 wrote to memory of 5032	4040	FIZETES_.exe	66

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FIZETES_.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\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:4040
- 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:5032

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/4040-121-0x0000000000350000-0x00000000003FC000-memory.dmp

Filesize
688KB

Download
memory/4040-122-0x0000000004E40000-0x0000000004E50000-memory.dmp

Filesize
64KB

Download
memory/4040-123-0x0000000005350000-0x000000000584E000-memory.dmp

Filesize
5.0MB

Download
memory/4040-124-0x0000000004F00000-0x0000000004F92000-memory.dmp

Filesize
584KB

Download
memory/4040-125-0x0000000004E90000-0x0000000004EA4000-memory.dmp

Filesize
80KB

Download
memory/4040-126-0x0000000004E40000-0x0000000004E50000-memory.dmp

Filesize
64KB

Download
memory/4040-127-0x0000000004ED0000-0x0000000004EDC000-memory.dmp

Filesize
48KB

Download
memory/4040-128-0x0000000005BB0000-0x0000000005C1A000-memory.dmp

Filesize
424KB

Download
memory/4040-129-0x0000000005CC0000-0x0000000005D5C000-memory.dmp

Filesize
624KB

Download
memory/4040-130-0x0000000005320000-0x0000000005352000-memory.dmp

Filesize
200KB

Download
memory/5032-131-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/5032-133-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/5032-134-0x0000000004FF0000-0x0000000005000000-memory.dmp

Filesize
64KB

Download
memory/5032-135-0x0000000006790000-0x000000000679A000-memory.dmp

Filesize
40KB

Download
memory/5032-136-0x00000000067F0000-0x0000000006840000-memory.dmp

Filesize
320KB

Download
memory/5032-137-0x0000000006A10000-0x0000000006BD2000-memory.dmp

Filesize
1.8MB

Download
memory/5032-138-0x0000000004FF0000-0x0000000005000000-memory.dmp

Filesize
64KB

Download

Analysis

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