Analysis
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max time kernel
105s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
28-11-2024 14:41
Static task
static1
Behavioral task
behavioral1
Sample
b821ff32a1b0314cfa230a212103305d18695e4c95e3d94fd69097db8019833c.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
b821ff32a1b0314cfa230a212103305d18695e4c95e3d94fd69097db8019833c.exe
Resource
win10v2004-20241007-en
General
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Target
b821ff32a1b0314cfa230a212103305d18695e4c95e3d94fd69097db8019833c.exe
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Size
1.1MB
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MD5
064a3d834a62d73b76d9c91e36b98e05
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SHA1
c036160cb0ff789a41b21a75b4fc47cd718f49bc
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SHA256
b821ff32a1b0314cfa230a212103305d18695e4c95e3d94fd69097db8019833c
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SHA512
9d65b5f225261e764f74db0755bad4156cb5c3fd897510477945ca23fa220df324891b4a6719cd935196f3ae0186483a183bd5d7df461cd705863307337d7ebe
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SSDEEP
24576:9tb20pkaCqT5TBWgNQ7aExRr0EEFcdo6A:uVg5tQ7aExReFN5
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot7399492470:AAF1Q52TLq6uEICFiCVrLu9dpROnjh2wukI/sendMessage?chat_id=1443320838
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 33 IoCs
resource yara_rule behavioral2/memory/3704-12-0x0000000002BE0000-0x0000000002C1A000-memory.dmp family_snakekeylogger behavioral2/memory/3704-15-0x0000000003000000-0x0000000003038000-memory.dmp family_snakekeylogger behavioral2/memory/3704-17-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger behavioral2/memory/3704-30-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger behavioral2/memory/3704-76-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger behavioral2/memory/3704-74-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger behavioral2/memory/3704-72-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger behavioral2/memory/3704-70-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger behavioral2/memory/3704-68-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger behavioral2/memory/3704-66-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger behavioral2/memory/3704-62-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger behavioral2/memory/3704-60-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger behavioral2/memory/3704-58-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger behavioral2/memory/3704-56-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger behavioral2/memory/3704-54-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger behavioral2/memory/3704-52-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger behavioral2/memory/3704-50-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger behavioral2/memory/3704-48-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger behavioral2/memory/3704-46-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger behavioral2/memory/3704-44-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger behavioral2/memory/3704-40-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger behavioral2/memory/3704-38-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger behavioral2/memory/3704-36-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger behavioral2/memory/3704-34-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger behavioral2/memory/3704-33-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger behavioral2/memory/3704-28-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger behavioral2/memory/3704-26-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger behavioral2/memory/3704-24-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger behavioral2/memory/3704-22-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger behavioral2/memory/3704-20-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger behavioral2/memory/3704-18-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger behavioral2/memory/3704-64-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger behavioral2/memory/3704-42-0x0000000003000000-0x0000000003033000-memory.dmp family_snakekeylogger -
Snakekeylogger family
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\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 14 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2424 set thread context of 3704 2424 b821ff32a1b0314cfa230a212103305d18695e4c95e3d94fd69097db8019833c.exe 83 -
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 b821ff32a1b0314cfa230a212103305d18695e4c95e3d94fd69097db8019833c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 3704 RegSvcs.exe 3704 RegSvcs.exe 3704 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2424 b821ff32a1b0314cfa230a212103305d18695e4c95e3d94fd69097db8019833c.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3704 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2424 b821ff32a1b0314cfa230a212103305d18695e4c95e3d94fd69097db8019833c.exe 2424 b821ff32a1b0314cfa230a212103305d18695e4c95e3d94fd69097db8019833c.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 2424 b821ff32a1b0314cfa230a212103305d18695e4c95e3d94fd69097db8019833c.exe 2424 b821ff32a1b0314cfa230a212103305d18695e4c95e3d94fd69097db8019833c.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2424 wrote to memory of 3704 2424 b821ff32a1b0314cfa230a212103305d18695e4c95e3d94fd69097db8019833c.exe 83 PID 2424 wrote to memory of 3704 2424 b821ff32a1b0314cfa230a212103305d18695e4c95e3d94fd69097db8019833c.exe 83 PID 2424 wrote to memory of 3704 2424 b821ff32a1b0314cfa230a212103305d18695e4c95e3d94fd69097db8019833c.exe 83 PID 2424 wrote to memory of 3704 2424 b821ff32a1b0314cfa230a212103305d18695e4c95e3d94fd69097db8019833c.exe 83 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b821ff32a1b0314cfa230a212103305d18695e4c95e3d94fd69097db8019833c.exe"C:\Users\Admin\AppData\Local\Temp\b821ff32a1b0314cfa230a212103305d18695e4c95e3d94fd69097db8019833c.exe"1⤵
- 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:2424 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\b821ff32a1b0314cfa230a212103305d18695e4c95e3d94fd69097db8019833c.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:3704
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