Analysis
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max time kernel
138s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16-10-2024 05:26
Static task
static1
Behavioral task
behavioral1
Sample
c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe
Resource
win10v2004-20241007-en
General
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Target
c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe
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Size
549KB
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MD5
99cf89ca25a9990c9b21e8b3228f2280
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SHA1
bbc3cd09efbe5205d0791aa09fa55927cd2a8b60
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SHA256
c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05
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SHA512
cab9c279637ece8a02df86414dfce7c829660402cf393c80071af4569898d39851534fb5b39370c4141da208d5726e2150c4328792bb454ae5aafebd8ffe0cd1
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SSDEEP
12288:o/nRunZUtCbQXJv7ftdAQHQfo2HVfSkpa5ICD4kdAozQ:wR0CtDXJ2fo2HVfj9Fe
Malware Config
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/3336-13-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2376 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe -
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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.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 29 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2992 set thread context of 3336 2992 c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe 100 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2992 c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe 2992 c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe 3336 c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe 2376 powershell.exe 2376 powershell.exe 3336 c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2992 c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe Token: SeDebugPrivilege 3336 c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe Token: SeDebugPrivilege 2376 powershell.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2992 wrote to memory of 2376 2992 c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe 98 PID 2992 wrote to memory of 2376 2992 c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe 98 PID 2992 wrote to memory of 2376 2992 c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe 98 PID 2992 wrote to memory of 3336 2992 c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe 100 PID 2992 wrote to memory of 3336 2992 c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe 100 PID 2992 wrote to memory of 3336 2992 c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe 100 PID 2992 wrote to memory of 3336 2992 c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe 100 PID 2992 wrote to memory of 3336 2992 c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe 100 PID 2992 wrote to memory of 3336 2992 c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe 100 PID 2992 wrote to memory of 3336 2992 c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe 100 PID 2992 wrote to memory of 3336 2992 c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe 100 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe"C:\Users\Admin\AppData\Local\Temp\c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2992 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2376
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C:\Users\Admin\AppData\Local\Temp\c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.exe"C:\Users\Admin\AppData\Local\Temp\c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05.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:3336
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82