Analysis
-
max time kernel
121s -
max time network
133s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
13-11-2024 19:09
Static task
static1
Behavioral task
behavioral1
Sample
Factura nºB-2542.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
Factura nºB-2542.exe
Resource
win10v2004-20241007-en
General
-
Target
Factura nºB-2542.exe
-
Size
756KB
-
MD5
b9e133e3f5e083f026c072086b882fcb
-
SHA1
a731da15a426dd88896925bf24d63326a4c4a111
-
SHA256
8a200d76ee514afb1f98399c12bdd0f03fd9f75cbbaff97c67085c6eacbc7ea2
-
SHA512
300ad4a6a2d53a16d0b946fe2ae1485ac9f45537b0faa394126d304a5b749f7869b416ef56b9361f03546de2bb0962955968191e0ce777a3526de0454bd808b9
-
SSDEEP
12288:Y2+nSPz5ZA/EME8j5i5jgRufqrr/raUO86cO2jjAQSEcN/rHFu4:ioz5W/EJHj0EGjSEcu4
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
smtp.ionos.es - Port:
587 - Username:
[email protected] - Password:
SOCAG3_314$%] - Email To:
[email protected]
Signatures
-
VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
-
Vipkeylogger family
-
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
Processes:
Factura nºB-2542.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Factura nºB-2542.exe Key opened \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Factura nºB-2542.exe Key opened \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Factura nºB-2542.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Factura nºB-2542.exedescription pid Process procid_target PID 2628 set thread context of 2612 2628 Factura nºB-2542.exe 30 -
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.
Processes:
Factura nºB-2542.exeFactura nºB-2542.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Factura nºB-2542.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Factura nºB-2542.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Factura nºB-2542.exepid Process 2612 Factura nºB-2542.exe 2612 Factura nºB-2542.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Factura nºB-2542.exedescription pid Process Token: SeDebugPrivilege 2612 Factura nºB-2542.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
Factura nºB-2542.exedescription pid Process procid_target PID 2628 wrote to memory of 2612 2628 Factura nºB-2542.exe 30 PID 2628 wrote to memory of 2612 2628 Factura nºB-2542.exe 30 PID 2628 wrote to memory of 2612 2628 Factura nºB-2542.exe 30 PID 2628 wrote to memory of 2612 2628 Factura nºB-2542.exe 30 PID 2628 wrote to memory of 2612 2628 Factura nºB-2542.exe 30 PID 2628 wrote to memory of 2612 2628 Factura nºB-2542.exe 30 PID 2628 wrote to memory of 2612 2628 Factura nºB-2542.exe 30 PID 2628 wrote to memory of 2612 2628 Factura nºB-2542.exe 30 PID 2628 wrote to memory of 2612 2628 Factura nºB-2542.exe 30 -
outlook_office_path 1 IoCs
Processes:
Factura nºB-2542.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Factura nºB-2542.exe -
outlook_win_path 1 IoCs
Processes:
Factura nºB-2542.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Factura nºB-2542.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Factura nºB-2542.exe"C:\Users\Admin\AppData\Local\Temp\Factura nºB-2542.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2628 -
C:\Users\Admin\AppData\Local\Temp\Factura nºB-2542.exe"C:\Users\Admin\AppData\Local\Temp\Factura nºB-2542.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2612
-