Analysis
- max time kernel
148s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system - submitted
28/12/2023, 01:11
Behavioral task
behavioral1
Sample
3bfc582afc5a8ba63fe6d6fa7cf4633b0866ff70e7b0d7b6631f9dfdd3b37250.exe
Resource
win7-20231215-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
3bfc582afc5a8ba63fe6d6fa7cf4633b0866ff70e7b0d7b6631f9dfdd3b37250.exe
Resource
win10v2004-20231215-en
11 signatures
150 seconds
General
- Target 3bfc582afc5a8ba63fe6d6fa7cf4633b0866ff70e7b0d7b6631f9dfdd3b37250.exe
- Size 592KB
- Sample231228-bjxmlsaeg9
- SHA256 3bfc582afc5a8ba63fe6d6fa7cf4633b0866ff70e7b0d7b6631f9dfdd3b37250
- MD5 07bfa6051124f24ce093d2cf828a7478
- SHA1 c033ff32763829291f88ba29a4a7e8bdb5482156
- SHA512 11e1d37d42df8bf88d6b5e121ae4f825584969654c4c5892a9bb333e89ed49361859d7f0b04e8c8c63a92fb2185c5c6778e5e82480fa0341805dfe54522147a4
- SSDEEP 12288:Y6urSvuRZLJLUf9snBS4csPYae6qfzcbAA:VvuRhhUF54clNf7cbB
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Echelon Stealer payload 1 IoCs
resource yara_rule behavioral2/memory/4664-0-0x00000290C09C0000-0x00000290C0A5A000-memory.dmp family_echelon - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3bfc582afc5a8ba63fe6d6fa7cf4633b0866ff70e7b0d7b6631f9dfdd3b37250.exe Key opened \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3bfc582afc5a8ba63fe6d6fa7cf4633b0866ff70e7b0d7b6631f9dfdd3b37250.exe Key opened \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3bfc582afc5a8ba63fe6d6fa7cf4633b0866ff70e7b0d7b6631f9dfdd3b37250.exe - Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 8 api.ipify.org 71 ip-api.com 6 api.ipify.org - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4664 3bfc582afc5a8ba63fe6d6fa7cf4633b0866ff70e7b0d7b6631f9dfdd3b37250.exe 4664 3bfc582afc5a8ba63fe6d6fa7cf4633b0866ff70e7b0d7b6631f9dfdd3b37250.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4664 3bfc582afc5a8ba63fe6d6fa7cf4633b0866ff70e7b0d7b6631f9dfdd3b37250.exe - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3bfc582afc5a8ba63fe6d6fa7cf4633b0866ff70e7b0d7b6631f9dfdd3b37250.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3bfc582afc5a8ba63fe6d6fa7cf4633b0866ff70e7b0d7b6631f9dfdd3b37250.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\3bfc582afc5a8ba63fe6d6fa7cf4633b0866ff70e7b0d7b6631f9dfdd3b37250.exe"C:\Users\Admin\AppData\Local\Temp\3bfc582afc5a8ba63fe6d6fa7cf4633b0866ff70e7b0d7b6631f9dfdd3b37250.exe"1⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4664