Resubmissions
24/02/2025, 12:08
250224-pa55aa1pw5 1024/02/2025, 09:40
250224-lnmnbavpt3 1020/02/2025, 03:42
250220-d9d93awkdk 10Analysis
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max time kernel
120s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
24/02/2025, 12:08
Static task
static1
Behavioral task
behavioral1
Sample
01NEW_PURCHASE_ORDER_654576554.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
01NEW_PURCHASE_ORDER_654576554.exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral3
Sample
libvlc.dll
Resource
win7-20241010-en
Behavioral task
behavioral4
Sample
libvlc.dll
Resource
win10v2004-20250217-en
Behavioral task
behavioral5
Sample
libvlccore.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
libvlccore.dll
Resource
win10v2004-20250217-en
General
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Target
libvlc.dll
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Size
5.4MB
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MD5
e339e11223bb5e4ed51e7112dfa617da
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SHA1
510687d976c6253cb8b3569d71aaf85a2c69ee70
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SHA256
eeb4c6dd889c40d8b95ee00f2eff67a5d3e0d4a15034ab97a36662599b2e4f3e
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SHA512
aad3586e35bda596ccfad245856f5a59467b0a3ecc14ef39bc2dbda4e830038eaf80cacb62cdcf7dccdbc1982f72974ef21553a56f35a940657197655a7c34f2
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SSDEEP
49152:zUFv9Z4I+GBdNKgLLkFTaTMXWDIIWVAGe/IBlHelcPJOOr5V3P0jYThYFj52JPwW:omG8W2ZAGe/IBlGcPzi5W6P4a+GLQ1
Malware Config
Extracted
vipkeylogger
https://api.telegram.org/bot7518188422:AAHmsiSJGbuq2bkotqlSAYxEVWayoAQB6Rw/sendMessage?chat_id=5210110905
Signatures
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VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
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Vipkeylogger family
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.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 9 reallyfreegeoip.org 4 checkip.dyndns.org 8 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2240 set thread context of 2384 2240 rundll32.exe 30 -
System Location Discovery: System Language Discovery 1 TTPs 1 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 AddInProcess32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2384 AddInProcess32.exe 2384 AddInProcess32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2384 AddInProcess32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2240 wrote to memory of 2384 2240 rundll32.exe 30 PID 2240 wrote to memory of 2384 2240 rundll32.exe 30 PID 2240 wrote to memory of 2384 2240 rundll32.exe 30 PID 2240 wrote to memory of 2384 2240 rundll32.exe 30 PID 2240 wrote to memory of 2384 2240 rundll32.exe 30 PID 2240 wrote to memory of 2384 2240 rundll32.exe 30 PID 2240 wrote to memory of 2384 2240 rundll32.exe 30 PID 2240 wrote to memory of 2384 2240 rundll32.exe 30 PID 2240 wrote to memory of 2384 2240 rundll32.exe 30 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\libvlc.dll,#11⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2240 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.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:2384
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