Analysis
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max time kernel
122s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
22-10-2024 16:13
Static task
static1
Behavioral task
behavioral1
Sample
RF_DHL KULI500796821.PDF.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
RF_DHL KULI500796821.PDF.exe
Resource
win10v2004-20241007-en
General
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Target
RF_DHL KULI500796821.PDF.exe
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Size
747KB
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MD5
27950496141d3583eafb12c7b42ac9a5
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SHA1
708989cb471cf641b34587ac22c110585aeaae76
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SHA256
a4f9afdb0335a81fbca040cbebd5a514e1e11d668022048823e465b4c752793d
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SHA512
dbfd85fe83a6cb45823305d63286fd15f6b9dce76d4705bfcd30c73510a683b7f414882c147e4f9928bd52398de5a47010f9a09a02a90931aa8f8ec91a7a3f4e
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SSDEEP
12288:MMykhMOoltiJVv+64qYAJS6FQHRJqc2pis3+m9QXM88Ut7hSLTZ87kR:nykh5oDiJkQZG8piqmXM8bhSR5
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.vinatax.us - Port:
587 - Username:
[email protected] - Password:
vinatax@2022 - Email To:
[email protected]
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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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RF_DHL KULI500796821.PDF.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RF_DHL KULI500796821.PDF.exe Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RF_DHL KULI500796821.PDF.exe Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RF_DHL KULI500796821.PDF.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:
RF_DHL KULI500796821.PDF.exedescription pid process target process PID 2092 set thread context of 2412 2092 RF_DHL KULI500796821.PDF.exe RF_DHL KULI500796821.PDF.exe -
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:
RF_DHL KULI500796821.PDF.exeRF_DHL KULI500796821.PDF.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RF_DHL KULI500796821.PDF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RF_DHL KULI500796821.PDF.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RF_DHL KULI500796821.PDF.exepid process 2412 RF_DHL KULI500796821.PDF.exe 2412 RF_DHL KULI500796821.PDF.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RF_DHL KULI500796821.PDF.exedescription pid process Token: SeDebugPrivilege 2412 RF_DHL KULI500796821.PDF.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
RF_DHL KULI500796821.PDF.exedescription pid process target process PID 2092 wrote to memory of 2412 2092 RF_DHL KULI500796821.PDF.exe RF_DHL KULI500796821.PDF.exe PID 2092 wrote to memory of 2412 2092 RF_DHL KULI500796821.PDF.exe RF_DHL KULI500796821.PDF.exe PID 2092 wrote to memory of 2412 2092 RF_DHL KULI500796821.PDF.exe RF_DHL KULI500796821.PDF.exe PID 2092 wrote to memory of 2412 2092 RF_DHL KULI500796821.PDF.exe RF_DHL KULI500796821.PDF.exe PID 2092 wrote to memory of 2412 2092 RF_DHL KULI500796821.PDF.exe RF_DHL KULI500796821.PDF.exe PID 2092 wrote to memory of 2412 2092 RF_DHL KULI500796821.PDF.exe RF_DHL KULI500796821.PDF.exe PID 2092 wrote to memory of 2412 2092 RF_DHL KULI500796821.PDF.exe RF_DHL KULI500796821.PDF.exe PID 2092 wrote to memory of 2412 2092 RF_DHL KULI500796821.PDF.exe RF_DHL KULI500796821.PDF.exe PID 2092 wrote to memory of 2412 2092 RF_DHL KULI500796821.PDF.exe RF_DHL KULI500796821.PDF.exe -
outlook_office_path 1 IoCs
Processes:
RF_DHL KULI500796821.PDF.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RF_DHL KULI500796821.PDF.exe -
outlook_win_path 1 IoCs
Processes:
RF_DHL KULI500796821.PDF.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RF_DHL KULI500796821.PDF.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\RF_DHL KULI500796821.PDF.exe"C:\Users\Admin\AppData\Local\Temp\RF_DHL KULI500796821.PDF.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2092 -
C:\Users\Admin\AppData\Local\Temp\RF_DHL KULI500796821.PDF.exe"C:\Users\Admin\AppData\Local\Temp\RF_DHL KULI500796821.PDF.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:2412