Analysis
-
max time kernel
148s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230831-en -
resource tags
arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system -
submitted
13-09-2023 12:02
Behavioral task
behavioral1
Sample
sdd4f38eb14d22bb3b0d3b9178295b1142f83.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
sdd4f38eb14d22bb3b0d3b9178295b1142f83.exe
Resource
win10v2004-20230831-en
General
-
Target
sdd4f38eb14d22bb3b0d3b9178295b1142f83.exe
-
Size
86KB
-
MD5
a41d137b1da1e5de04a24113ba43505b
-
SHA1
219c8e9a59d6fc35ebe0a2ac6b21ffb37c2b797b
-
SHA256
c1cae9e0a93114e0c9ce011279c41cf0f56d59edcaa4e2ea3c3066a2c0bb76ac
-
SHA512
1debdfd053e7ab3f0b6354aaf724ee7141d0d274e31f993109a775afc51ac2cacbc8a7e6f0c52d903bb62f8c7813986367181814bf4c06fb9bef724d23c32164
-
SSDEEP
1536:TJNK4uC4/P1xE6+lYxyWoekN4B2Wul/WqgOu8ntw0NdC55i9bMSv4M6/TCuuYhow:rKH/HE6+lYxyWoekN4B2Wufntw0Nt9b0
Malware Config
Signatures
-
Detect Gurcu Stealer V3 payload 1 IoCs
resource yara_rule behavioral2/memory/1776-0-0x0000024401CC0000-0x0000024401CDC000-memory.dmp family_gurcu_v3 -
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-1-5-21-1980726966-773384374-2129981223-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 sdd4f38eb14d22bb3b0d3b9178295b1142f83.exe Key opened \REGISTRY\USER\S-1-5-21-1980726966-773384374-2129981223-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 sdd4f38eb14d22bb3b0d3b9178295b1142f83.exe Key opened \REGISTRY\USER\S-1-5-21-1980726966-773384374-2129981223-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 sdd4f38eb14d22bb3b0d3b9178295b1142f83.exe -
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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 12 ip-api.com -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1776 sdd4f38eb14d22bb3b0d3b9178295b1142f83.exe 1776 sdd4f38eb14d22bb3b0d3b9178295b1142f83.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1776 sdd4f38eb14d22bb3b0d3b9178295b1142f83.exe -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1980726966-773384374-2129981223-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 sdd4f38eb14d22bb3b0d3b9178295b1142f83.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1980726966-773384374-2129981223-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 sdd4f38eb14d22bb3b0d3b9178295b1142f83.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\sdd4f38eb14d22bb3b0d3b9178295b1142f83.exe"C:\Users\Admin\AppData\Local\Temp\sdd4f38eb14d22bb3b0d3b9178295b1142f83.exe"1⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1776