agenttesla | 7dc963c7deb6af1a95cb791c96b8c16559f84098084d6619ed2e0006c6774314

Analysis

max time kernel
91s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
06/02/2023, 10:03

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General

Target

belge.exe
Size

1.0MB
MD5

a927c128c2d48ba867ccc059574da5af
SHA1

79c2b1a332f4d654f6ae00b276394ace5811915d
SHA256

7dc963c7deb6af1a95cb791c96b8c16559f84098084d6619ed2e0006c6774314
SHA512

667769a86443c4a2bf8433a5e5782457361db941748cc2277eeda289510e81b92c663883eb1cd6a4a6cd003dee5b5fa183fecbc17a09656661c45b8faf996387
SSDEEP

24576:7Ac1NMS5GW+duDDo/kTz42G6E74lQju9hD:Uc1NJ5GbdaE/kT82G6E8lQju/D

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.procorpadvisory.com
Port:
587
Username:
[email protected]
Password:
.=xOj0CUwn&[
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-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	belge.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	belge.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	belge.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
38	api.ipify.org
39	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4288 set thread context of 2676	4288	belge.exe	87

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2676	belge.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4288 wrote to memory of 2676	4288	belge.exe	87
PID 4288 wrote to memory of 2676	4288	belge.exe	87
PID 4288 wrote to memory of 2676	4288	belge.exe	87
PID 4288 wrote to memory of 2676	4288	belge.exe	87
PID 4288 wrote to memory of 2676	4288	belge.exe	87
PID 4288 wrote to memory of 2676	4288	belge.exe	87
PID 4288 wrote to memory of 2676	4288	belge.exe	87
PID 4288 wrote to memory of 2676	4288	belge.exe	87

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	belge.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	belge.exe

C:\Users\Admin\AppData\Local\Temp\belge.exe
"C:\Users\Admin\AppData\Local\Temp\belge.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4288
- C:\Users\Admin\AppData\Local\Temp\belge.exe
  "C:\Users\Admin\AppData\Local\Temp\belge.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2676

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

Replay Monitor

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Downloads

memory/2676-138-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2676-139-0x0000000005390000-0x00000000053F6000-memory.dmp

Filesize
408KB

Download
memory/2676-140-0x0000000006F70000-0x0000000006FC0000-memory.dmp

Filesize
320KB

Download
memory/2676-141-0x00000000071E0000-0x00000000073A2000-memory.dmp

Filesize
1.8MB

Download
memory/4288-132-0x0000000000AF0000-0x0000000000C00000-memory.dmp

Filesize
1.1MB

Download
memory/4288-133-0x0000000005AA0000-0x0000000006044000-memory.dmp

Filesize
5.6MB

Download
memory/4288-134-0x0000000005590000-0x0000000005622000-memory.dmp

Filesize
584KB

Download
memory/4288-135-0x0000000005730000-0x000000000573A000-memory.dmp

Filesize
40KB

Download
memory/4288-136-0x0000000009250000-0x00000000092EC000-memory.dmp

Filesize
624KB

Download