Analysis
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max time kernel
120s -
max time network
136s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
15-11-2024 02:22
Static task
static1
Behavioral task
behavioral1
Sample
39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe
Resource
win10v2004-20241007-en
General
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Target
39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe
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Size
1019KB
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MD5
28664f8d0784c730868f15becf318efe
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SHA1
080a7a0e5f19cc222624f9cf10a2e6df1c52d726
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SHA256
39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf
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SHA512
bb93d1a04b7352f8c510dff40e77200a1b876c1c4117a811cb255160bc00ee2eda82b7c6e000d9247202b23e89f6021855a79981304f9c8b7131375e5078ade1
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SSDEEP
24576:HAHnh+eWsN3skA4RV1Hom2KXMmHawap00a6kZ/K5:6h+ZkldoPK8YawuBk6
Malware Config
Extracted
vipkeylogger
https://api.telegram.org/bot7563060616:AAGgGu8pocoVNLzoow0Ge2U2GVDS9nDmL6Q/sendMessage?chat_id=7222025033
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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Drops startup file 1 IoCs
Processes:
nonsubmerged.exedescription ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\nonsubmerged.vbs nonsubmerged.exe -
Executes dropped EXE 1 IoCs
Processes:
nonsubmerged.exepid Process 1076 nonsubmerged.exe -
Loads dropped DLL 1 IoCs
Processes:
39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exepid Process 328 39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.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 -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
Processes:
resource yara_rule behavioral1/files/0x0008000000015d6d-7.dat autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
nonsubmerged.exedescription pid Process procid_target PID 1076 set thread context of 2132 1076 nonsubmerged.exe 31 -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exenonsubmerged.exeRegSvcs.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nonsubmerged.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegSvcs.exepid Process 2132 RegSvcs.exe 2132 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
nonsubmerged.exepid Process 1076 nonsubmerged.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid Process Token: SeDebugPrivilege 2132 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
Processes:
39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exenonsubmerged.exepid Process 328 39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe 328 39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe 1076 nonsubmerged.exe 1076 nonsubmerged.exe -
Suspicious use of SendNotifyMessage 4 IoCs
Processes:
39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exenonsubmerged.exepid Process 328 39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe 328 39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe 1076 nonsubmerged.exe 1076 nonsubmerged.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exenonsubmerged.exedescription pid Process procid_target PID 328 wrote to memory of 1076 328 39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe 30 PID 328 wrote to memory of 1076 328 39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe 30 PID 328 wrote to memory of 1076 328 39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe 30 PID 328 wrote to memory of 1076 328 39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe 30 PID 1076 wrote to memory of 2132 1076 nonsubmerged.exe 31 PID 1076 wrote to memory of 2132 1076 nonsubmerged.exe 31 PID 1076 wrote to memory of 2132 1076 nonsubmerged.exe 31 PID 1076 wrote to memory of 2132 1076 nonsubmerged.exe 31 PID 1076 wrote to memory of 2132 1076 nonsubmerged.exe 31 PID 1076 wrote to memory of 2132 1076 nonsubmerged.exe 31 PID 1076 wrote to memory of 2132 1076 nonsubmerged.exe 31 PID 1076 wrote to memory of 2132 1076 nonsubmerged.exe 31 -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
Processes:
RegSvcs.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe"C:\Users\Admin\AppData\Local\Temp\39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:328 -
C:\Users\Admin\AppData\Local\deblaterate\nonsubmerged.exe"C:\Users\Admin\AppData\Local\Temp\39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1076 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe"3⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2132
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
1019KB
MD528664f8d0784c730868f15becf318efe
SHA1080a7a0e5f19cc222624f9cf10a2e6df1c52d726
SHA25639a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf
SHA512bb93d1a04b7352f8c510dff40e77200a1b876c1c4117a811cb255160bc00ee2eda82b7c6e000d9247202b23e89f6021855a79981304f9c8b7131375e5078ade1