agenttesla | cb6d360b28e57ec435126f83370bb1cfb4e66e45633a080628bb6d2c3579a558

Analysis

max time kernel
91s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
24/11/2022, 16:31

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General

Target
file.exe
Size 614KB
Sample221124-t1eggafc97
SHA256 cb6d360b28e57ec435126f83370bb1cfb4e66e45633a080628bb6d2c3579a558
MD5 9a8f42d41f07f1aec216b2be04ccbe32
SHA1 d8f584af36a2ffa074b81ef8765dcb0f72ec5434
SHA512 5b0cbc5feec5fdb9312b6438df6c7dcc6fc7d3410e640f3161c2ff87c0fd5b025dce85dd8ccebf4a2e4380b230e1ae07457df09bd176f1538c086941b76d43ba
SSDEEP 12288:R1mX/lbW9pEABfUnAVTVnW8VcIyicy5YUhxu7hdI5fiz:qX/lS9pEuUEFHG4lUHL
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
host39.registrar-servers.com
Port
587
Username
[email protected]
Password
payment12345

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-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.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
52	api.ipify.org
53	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4388 set thread context of 204	4388	file.exe	82

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
204	file.exe
204	file.exe
204	file.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	204	file.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4388 wrote to memory of 204	4388	file.exe	82
PID 4388 wrote to memory of 204	4388	file.exe	82
PID 4388 wrote to memory of 204	4388	file.exe	82
PID 4388 wrote to memory of 204	4388	file.exe	82
PID 4388 wrote to memory of 204	4388	file.exe	82
PID 4388 wrote to memory of 204	4388	file.exe	82
PID 4388 wrote to memory of 204	4388	file.exe	82
PID 4388 wrote to memory of 204	4388	file.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4388
- C:\Users\Admin\AppData\Local\Temp\file.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:204

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/204-138-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/204-139-0x00000000062B0000-0x0000000006316000-memory.dmp

Download

memory/204-140-0x0000000006ED0000-0x0000000006F20000-memory.dmp

Download

memory/4388-132-0x0000000000560000-0x0000000000600000-memory.dmp

Download

memory/4388-133-0x0000000005590000-0x0000000005B34000-memory.dmp

Download

memory/4388-134-0x0000000005080000-0x0000000005112000-memory.dmp

Download

memory/4388-135-0x0000000005120000-0x00000000051BC000-memory.dmp

Download

memory/4388-136-0x0000000005010000-0x000000000501A000-memory.dmp

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