Analysis
-
max time kernel
131s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
03-02-2025 08:56
Static task
static1
Behavioral task
behavioral1
Sample
RFQ11102025.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
RFQ11102025.exe
Resource
win10v2004-20241007-en
General
-
Target
RFQ11102025.exe
-
Size
829KB
-
MD5
4e8dd0271e73e9132a34527f24d48b4b
-
SHA1
eb063c7c3a0b50a29c87cc1eb679784c663a712c
-
SHA256
342a6c5178eacedd99cd66da3bd81e767d0aa311441ad2089b087def3f5cb088
-
SHA512
8eefc1a61bf8109bb306c70defffad8ed86eadd5956d1b73fbf6f1e64dc54cbc95876ae487cbd768efa7f1984a7955cea5e7051ef344e0d42851e91eceb557c2
-
SSDEEP
24576:GPlSRYjYIyAT/+BtjkzFtM8HLggynnN4:GPYRBIhTmBRkzHLggynN
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.aewn.buzz - Port:
587 - Username:
[email protected] - Password:
7213575aceACE@@ - 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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ11102025.exe Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ11102025.exe Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ11102025.exe -
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 25 reallyfreegeoip.org 26 reallyfreegeoip.org 17 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4512 set thread context of 1488 4512 RFQ11102025.exe 88 -
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 RFQ11102025.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RFQ11102025.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4512 RFQ11102025.exe 4512 RFQ11102025.exe 4512 RFQ11102025.exe 4512 RFQ11102025.exe 1488 RFQ11102025.exe 1488 RFQ11102025.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4512 RFQ11102025.exe Token: SeDebugPrivilege 1488 RFQ11102025.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4512 wrote to memory of 3216 4512 RFQ11102025.exe 87 PID 4512 wrote to memory of 3216 4512 RFQ11102025.exe 87 PID 4512 wrote to memory of 3216 4512 RFQ11102025.exe 87 PID 4512 wrote to memory of 1488 4512 RFQ11102025.exe 88 PID 4512 wrote to memory of 1488 4512 RFQ11102025.exe 88 PID 4512 wrote to memory of 1488 4512 RFQ11102025.exe 88 PID 4512 wrote to memory of 1488 4512 RFQ11102025.exe 88 PID 4512 wrote to memory of 1488 4512 RFQ11102025.exe 88 PID 4512 wrote to memory of 1488 4512 RFQ11102025.exe 88 PID 4512 wrote to memory of 1488 4512 RFQ11102025.exe 88 PID 4512 wrote to memory of 1488 4512 RFQ11102025.exe 88 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ11102025.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ11102025.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\RFQ11102025.exe"C:\Users\Admin\AppData\Local\Temp\RFQ11102025.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4512 -
C:\Users\Admin\AppData\Local\Temp\RFQ11102025.exe"C:\Users\Admin\AppData\Local\Temp\RFQ11102025.exe"2⤵PID:3216
-
-
C:\Users\Admin\AppData\Local\Temp\RFQ11102025.exe"C:\Users\Admin\AppData\Local\Temp\RFQ11102025.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:1488
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD527ddd0570ed445448bd21f842d95de9a
SHA1309c3d8986b7aab1298b97a82ee830c244040ad6
SHA256cb1e0630cc219962d2aaff5d9bf69c4197c7a5c7d080a6409b368eb417ab0e90
SHA5126e4eee130d20ef2b5909582c0b727b7097dce9600414a363cfffb79fddecd5ccbca9518a8bd040b5a2293ee3d08bf37a4a4c1126ff56dbc9b136c1d312769a85