Analysis
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max time kernel
105s -
max time network
98s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
02-12-2024 03:22
Static task
static1
Behavioral task
behavioral1
Sample
1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46N.exe
Resource
win10v2004-20241007-en
General
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Target
1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46N.exe
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Size
1.0MB
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MD5
b59e2565fe790bd1803bec8e583c0e80
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SHA1
54eb800ac8cb2923997dd7bf7059951f714fee8f
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SHA256
1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46
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SHA512
8dada552ad3bb8fc7f112bb689f8cb2d293a5d566e4dc80e0090d2bb60db27aa2871d525b4367643b7e6a7941191f569079c940678ebfb341c086d5cda62dacd
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SSDEEP
24576:stb20pkaCqT5TBWgNQ7arslkvopEkQBX6A:VVg5tQ7arsWvXp5
Malware Config
Extracted
vipkeylogger
https://api.telegram.org/bot8051588258:AAE-CNbIS7UXg4eOA3t-8snZKI_z-YAyGQg/sendMessage?chat_id=7640920144
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
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\carryover.vbs carryover.exe -
Executes dropped EXE 1 IoCs
pid Process 2324 carryover.exe -
Loads dropped DLL 1 IoCs
pid Process 876 1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46N.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\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.
flow ioc 4 checkip.dyndns.org -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral1/files/0x000800000001650a-8.dat autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2324 set thread context of 1424 2324 carryover.exe 32 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language carryover.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1424 RegSvcs.exe 1424 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2324 carryover.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1424 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 876 1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46N.exe 876 1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46N.exe 2324 carryover.exe 2324 carryover.exe -
Suspicious use of SendNotifyMessage 4 IoCs
pid Process 876 1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46N.exe 876 1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46N.exe 2324 carryover.exe 2324 carryover.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 876 wrote to memory of 2324 876 1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46N.exe 31 PID 876 wrote to memory of 2324 876 1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46N.exe 31 PID 876 wrote to memory of 2324 876 1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46N.exe 31 PID 876 wrote to memory of 2324 876 1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46N.exe 31 PID 2324 wrote to memory of 1424 2324 carryover.exe 32 PID 2324 wrote to memory of 1424 2324 carryover.exe 32 PID 2324 wrote to memory of 1424 2324 carryover.exe 32 PID 2324 wrote to memory of 1424 2324 carryover.exe 32 PID 2324 wrote to memory of 1424 2324 carryover.exe 32 PID 2324 wrote to memory of 1424 2324 carryover.exe 32 PID 2324 wrote to memory of 1424 2324 carryover.exe 32 PID 2324 wrote to memory of 1424 2324 carryover.exe 32 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46N.exe"C:\Users\Admin\AppData\Local\Temp\1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46N.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:876 -
C:\Users\Admin\AppData\Local\Grinnellia\carryover.exe"C:\Users\Admin\AppData\Local\Temp\1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46N.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:2324 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46N.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:1424
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
271KB
MD547ee3058b4ce4e3cf9882b3d4c03f87d
SHA140dc1e81aa85feaeeb07d8369a4bb08c38d0c5d6
SHA2569aad8edaf6ae4975d72c246dbe8b594dfd3beddd8a388feff5a2061711992b55
SHA512096dc1dda1b0f91b8fb3a49bc7c714d07480c953f3a52b6e63e3cdd829e6c3f1a6e1334fd0db664e2a60717f379dc6ddf6cdf608c5b309cfe61b12d1e5ad43f3
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Filesize
1.0MB
MD5b59e2565fe790bd1803bec8e583c0e80
SHA154eb800ac8cb2923997dd7bf7059951f714fee8f
SHA2561d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46
SHA5128dada552ad3bb8fc7f112bb689f8cb2d293a5d566e4dc80e0090d2bb60db27aa2871d525b4367643b7e6a7941191f569079c940678ebfb341c086d5cda62dacd