Analysis
-
max time kernel
290s -
max time network
203s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
29/10/2024, 14:42
Static task
static1
Behavioral task
behavioral1
Sample
Factura-allianz.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Factura-allianz.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20241010-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
General
-
Target
Factura-allianz.exe
-
Size
965KB
-
MD5
3caed96490f234e7ce7b824b191f76cf
-
SHA1
d97c6180e3b3fb3e450ad9d7c326a4f814e449a1
-
SHA256
faba4b287980fe368cb0c76b142e26c3e24071b7ce4e876b9ca80bcc4f39e8d4
-
SHA512
01a529a0aa3d55cfbd7f2043953e2c21aed340352e93a2fb6c664352fab63ee9449bc95e240f3c73d553c5a50c088fa999acae91bfef05f470d97805eb56bf9d
-
SSDEEP
12288:xkjn2m4wIWmAmUwd9WsZ4+hzj4VQ7f0tzKAFBD9wMfOkPvFyBzeav4U4PKp3B:ynE9WDwd9CGct2YBD9w254CQ+K1B
Malware Config
Extracted
vipkeylogger
https://api.telegram.org/bot7773291387:AAFW0tyP5tccfsSYvPespY2G7aDGr5DPwdk/sendMessage?chat_id=7981072606
Signatures
-
VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
-
Vipkeylogger family
-
Loads dropped DLL 1 IoCs
pid Process 4804 Factura-allianz.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 3 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-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Factura-allianz.exe Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Factura-allianz.exe Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Factura-allianz.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 40 drive.google.com 41 drive.google.com -
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 53 checkip.dyndns.org -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 5076 Factura-allianz.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4804 Factura-allianz.exe 5076 Factura-allianz.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4804 set thread context of 5076 4804 Factura-allianz.exe 100 -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\resources\olieaffald\Unconsummative103.pro Factura-allianz.exe File opened for modification C:\Windows\rocksanger\noninfluential.ini Factura-allianz.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Factura-allianz.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Factura-allianz.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5076 Factura-allianz.exe 5076 Factura-allianz.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4804 Factura-allianz.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5076 Factura-allianz.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4804 wrote to memory of 5076 4804 Factura-allianz.exe 100 PID 4804 wrote to memory of 5076 4804 Factura-allianz.exe 100 PID 4804 wrote to memory of 5076 4804 Factura-allianz.exe 100 PID 4804 wrote to memory of 5076 4804 Factura-allianz.exe 100 PID 4804 wrote to memory of 5076 4804 Factura-allianz.exe 100 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Factura-allianz.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Factura-allianz.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Factura-allianz.exe"C:\Users\Admin\AppData\Local\Temp\Factura-allianz.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4804 -
C:\Users\Admin\AppData\Local\Temp\Factura-allianz.exe"C:\Users\Admin\AppData\Local\Temp\Factura-allianz.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:5076
-
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
11KB
MD5fc90dfb694d0e17b013d6f818bce41b0
SHA13243969886d640af3bfa442728b9f0dff9d5f5b0
SHA2567fe77ca13121a113c59630a3dba0c8aaa6372e8082393274da8f8608c4ce4528
SHA512324f13aa7a33c6408e2a57c3484d1691ecee7c3c1366de2bb8978c8dc66b18425d8cab5a32d1702c13c43703e36148a022263de7166afdce141da2b01169f1c6