Analysis
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max time kernel
109s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07-11-2024 03:04
Static task
static1
Behavioral task
behavioral1
Sample
b0b57f31507dda8dd80282cb47f6b1e55bc6b2d03c6e76211a785e3b236cf418.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
b0b57f31507dda8dd80282cb47f6b1e55bc6b2d03c6e76211a785e3b236cf418.exe
Resource
win10v2004-20241007-en
General
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Target
b0b57f31507dda8dd80282cb47f6b1e55bc6b2d03c6e76211a785e3b236cf418.exe
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Size
413KB
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MD5
d5c543bf77e87e9bd24b882560519b9c
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SHA1
ca41c520aaf58651c8bf721d95882a98b54461d0
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SHA256
b0b57f31507dda8dd80282cb47f6b1e55bc6b2d03c6e76211a785e3b236cf418
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SHA512
f046fa47ec70c79cc5d8c05005e9a4b0d4efb7644488d12eced608855e0e33a7dafaaafb18d46f7eb9d9a710d3ad6ab5f128d927d72b8aa5ca66f7e45187c6b5
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SSDEEP
6144:WOxvzSk6LQTHLmKrw3X35vIl9V+F9EYfpH/w80iVjt38:W4vzSkN798Fh9Eq/uiVts
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot7841833657:AAGVVizVtYLLmld_XUq5I5pzO8LrqHvIhHs/sendMessage?chat_id=6008123474
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/2404-1096-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Snakekeylogger family
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 4644 created 3432 4644 b0b57f31507dda8dd80282cb47f6b1e55bc6b2d03c6e76211a785e3b236cf418.exe 56 -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\VolumeLabel.vbs b0b57f31507dda8dd80282cb47f6b1e55bc6b2d03c6e76211a785e3b236cf418.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.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 16 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4644 set thread context of 2404 4644 b0b57f31507dda8dd80282cb47f6b1e55bc6b2d03c6e76211a785e3b236cf418.exe 90 -
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 b0b57f31507dda8dd80282cb47f6b1e55bc6b2d03c6e76211a785e3b236cf418.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4644 b0b57f31507dda8dd80282cb47f6b1e55bc6b2d03c6e76211a785e3b236cf418.exe 2404 InstallUtil.exe 2404 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4644 b0b57f31507dda8dd80282cb47f6b1e55bc6b2d03c6e76211a785e3b236cf418.exe Token: SeDebugPrivilege 4644 b0b57f31507dda8dd80282cb47f6b1e55bc6b2d03c6e76211a785e3b236cf418.exe Token: SeDebugPrivilege 2404 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4644 wrote to memory of 2404 4644 b0b57f31507dda8dd80282cb47f6b1e55bc6b2d03c6e76211a785e3b236cf418.exe 90 PID 4644 wrote to memory of 2404 4644 b0b57f31507dda8dd80282cb47f6b1e55bc6b2d03c6e76211a785e3b236cf418.exe 90 PID 4644 wrote to memory of 2404 4644 b0b57f31507dda8dd80282cb47f6b1e55bc6b2d03c6e76211a785e3b236cf418.exe 90 PID 4644 wrote to memory of 2404 4644 b0b57f31507dda8dd80282cb47f6b1e55bc6b2d03c6e76211a785e3b236cf418.exe 90 PID 4644 wrote to memory of 2404 4644 b0b57f31507dda8dd80282cb47f6b1e55bc6b2d03c6e76211a785e3b236cf418.exe 90 PID 4644 wrote to memory of 2404 4644 b0b57f31507dda8dd80282cb47f6b1e55bc6b2d03c6e76211a785e3b236cf418.exe 90 PID 4644 wrote to memory of 2404 4644 b0b57f31507dda8dd80282cb47f6b1e55bc6b2d03c6e76211a785e3b236cf418.exe 90 PID 4644 wrote to memory of 2404 4644 b0b57f31507dda8dd80282cb47f6b1e55bc6b2d03c6e76211a785e3b236cf418.exe 90 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3432
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C:\Users\Admin\AppData\Local\Temp\b0b57f31507dda8dd80282cb47f6b1e55bc6b2d03c6e76211a785e3b236cf418.exe"C:\Users\Admin\AppData\Local\Temp\b0b57f31507dda8dd80282cb47f6b1e55bc6b2d03c6e76211a785e3b236cf418.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4644
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.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:2404
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