Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
21-12-2024 02:32
Static task
static1
Behavioral task
behavioral1
Sample
4ec5b3be5d6a5039ec5c725a8da4290f6faf51e744c4b6441c9e625dbe7cc88e.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4ec5b3be5d6a5039ec5c725a8da4290f6faf51e744c4b6441c9e625dbe7cc88e.exe
Resource
win10v2004-20241007-en
General
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Target
4ec5b3be5d6a5039ec5c725a8da4290f6faf51e744c4b6441c9e625dbe7cc88e.exe
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Size
44KB
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MD5
1147fdf9a4f5f4dcdbdd6c080c88e083
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SHA1
753e81bcdb1750a4cc0d34093fe2cd5f5512d77a
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SHA256
4ec5b3be5d6a5039ec5c725a8da4290f6faf51e744c4b6441c9e625dbe7cc88e
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SHA512
1bcae2918af561663d07fe3ebf1caa7f4d921185b8cf62ee93e70c7df6142cd07163eaf50000d6b516b9215aee09d04b9f5a579fcd5f655895d0ffd5ede534b7
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SSDEEP
768:1IVFJHupNktBnTqwCRMrhmwpdueYN2/JRFHvOrogqT1Udf18KUknBAJ7:1IFHupNkvTqw2ghmwHYNchvO8gq6fVUt
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
smtps.aruba.it - Port:
465 - Username:
[email protected] - Password:
tecninf2017 - Email To:
[email protected]
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/3892-1197-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Snakekeylogger family
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 3896 created 3424 3896 4ec5b3be5d6a5039ec5c725a8da4290f6faf51e744c4b6441c9e625dbe7cc88e.exe 56 -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\15.0\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 36 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3896 set thread context of 3892 3896 4ec5b3be5d6a5039ec5c725a8da4290f6faf51e744c4b6441c9e625dbe7cc88e.exe 91 -
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 4ec5b3be5d6a5039ec5c725a8da4290f6faf51e744c4b6441c9e625dbe7cc88e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 3896 4ec5b3be5d6a5039ec5c725a8da4290f6faf51e744c4b6441c9e625dbe7cc88e.exe 3892 InstallUtil.exe 3892 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3896 4ec5b3be5d6a5039ec5c725a8da4290f6faf51e744c4b6441c9e625dbe7cc88e.exe Token: SeDebugPrivilege 3896 4ec5b3be5d6a5039ec5c725a8da4290f6faf51e744c4b6441c9e625dbe7cc88e.exe Token: SeDebugPrivilege 3892 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3896 wrote to memory of 3892 3896 4ec5b3be5d6a5039ec5c725a8da4290f6faf51e744c4b6441c9e625dbe7cc88e.exe 91 PID 3896 wrote to memory of 3892 3896 4ec5b3be5d6a5039ec5c725a8da4290f6faf51e744c4b6441c9e625dbe7cc88e.exe 91 PID 3896 wrote to memory of 3892 3896 4ec5b3be5d6a5039ec5c725a8da4290f6faf51e744c4b6441c9e625dbe7cc88e.exe 91 PID 3896 wrote to memory of 3892 3896 4ec5b3be5d6a5039ec5c725a8da4290f6faf51e744c4b6441c9e625dbe7cc88e.exe 91 PID 3896 wrote to memory of 3892 3896 4ec5b3be5d6a5039ec5c725a8da4290f6faf51e744c4b6441c9e625dbe7cc88e.exe 91 PID 3896 wrote to memory of 3892 3896 4ec5b3be5d6a5039ec5c725a8da4290f6faf51e744c4b6441c9e625dbe7cc88e.exe 91 PID 3896 wrote to memory of 3892 3896 4ec5b3be5d6a5039ec5c725a8da4290f6faf51e744c4b6441c9e625dbe7cc88e.exe 91 PID 3896 wrote to memory of 3892 3896 4ec5b3be5d6a5039ec5c725a8da4290f6faf51e744c4b6441c9e625dbe7cc88e.exe 91 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\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:3424
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C:\Users\Admin\AppData\Local\Temp\4ec5b3be5d6a5039ec5c725a8da4290f6faf51e744c4b6441c9e625dbe7cc88e.exe"C:\Users\Admin\AppData\Local\Temp\4ec5b3be5d6a5039ec5c725a8da4290f6faf51e744c4b6441c9e625dbe7cc88e.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3896
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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:3892
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