Analysis
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max time kernel
112s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
12-11-2024 02:29
Static task
static1
Behavioral task
behavioral1
Sample
73e2cbdbd6ebf0c6fa0a287b375b719b3f576287c7950458d6a75f4e293f7655.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
73e2cbdbd6ebf0c6fa0a287b375b719b3f576287c7950458d6a75f4e293f7655.exe
Resource
win10v2004-20241007-en
General
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Target
73e2cbdbd6ebf0c6fa0a287b375b719b3f576287c7950458d6a75f4e293f7655.exe
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Size
1.2MB
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MD5
d99d18dbd5825f0fddef9063b0afdf9c
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SHA1
844a9ea45eec0dc6e5418735dad17fa4c45f589d
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SHA256
73e2cbdbd6ebf0c6fa0a287b375b719b3f576287c7950458d6a75f4e293f7655
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SHA512
8c75c5c84edc33da74011b7be370061b3b6e3add6daea4f935b9a1eb2336d638160847293b057f9edeed98686e64b5212b851afab6d8d72d9c70166f93c1ccbe
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SSDEEP
24576:KqH4yLXhLnk1EhgwluwEAMBVuZh9zwVb1:KqHn2wowEA049zwVb
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot8143251474:AAEA0_EQbWwbg-euvwSvaVk0pmsvD34srnA/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/4668-1094-0x00000000001C0000-0x00000000001E6000-memory.dmp family_snakekeylogger -
Snakekeylogger family
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 4264 created 3524 4264 73e2cbdbd6ebf0c6fa0a287b375b719b3f576287c7950458d6a75f4e293f7655.exe 56 -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\TypeName.vbs 73e2cbdbd6ebf0c6fa0a287b375b719b3f576287c7950458d6a75f4e293f7655.exe -
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\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe 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 -
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 19 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4264 set thread context of 4668 4264 73e2cbdbd6ebf0c6fa0a287b375b719b3f576287c7950458d6a75f4e293f7655.exe 89 -
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 73e2cbdbd6ebf0c6fa0a287b375b719b3f576287c7950458d6a75f4e293f7655.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4264 73e2cbdbd6ebf0c6fa0a287b375b719b3f576287c7950458d6a75f4e293f7655.exe 4668 InstallUtil.exe 4668 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4264 73e2cbdbd6ebf0c6fa0a287b375b719b3f576287c7950458d6a75f4e293f7655.exe Token: SeDebugPrivilege 4264 73e2cbdbd6ebf0c6fa0a287b375b719b3f576287c7950458d6a75f4e293f7655.exe Token: SeDebugPrivilege 4668 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4264 wrote to memory of 4668 4264 73e2cbdbd6ebf0c6fa0a287b375b719b3f576287c7950458d6a75f4e293f7655.exe 89 PID 4264 wrote to memory of 4668 4264 73e2cbdbd6ebf0c6fa0a287b375b719b3f576287c7950458d6a75f4e293f7655.exe 89 PID 4264 wrote to memory of 4668 4264 73e2cbdbd6ebf0c6fa0a287b375b719b3f576287c7950458d6a75f4e293f7655.exe 89 PID 4264 wrote to memory of 4668 4264 73e2cbdbd6ebf0c6fa0a287b375b719b3f576287c7950458d6a75f4e293f7655.exe 89 PID 4264 wrote to memory of 4668 4264 73e2cbdbd6ebf0c6fa0a287b375b719b3f576287c7950458d6a75f4e293f7655.exe 89 PID 4264 wrote to memory of 4668 4264 73e2cbdbd6ebf0c6fa0a287b375b719b3f576287c7950458d6a75f4e293f7655.exe 89 PID 4264 wrote to memory of 4668 4264 73e2cbdbd6ebf0c6fa0a287b375b719b3f576287c7950458d6a75f4e293f7655.exe 89 PID 4264 wrote to memory of 4668 4264 73e2cbdbd6ebf0c6fa0a287b375b719b3f576287c7950458d6a75f4e293f7655.exe 89 -
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:3524
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C:\Users\Admin\AppData\Local\Temp\73e2cbdbd6ebf0c6fa0a287b375b719b3f576287c7950458d6a75f4e293f7655.exe"C:\Users\Admin\AppData\Local\Temp\73e2cbdbd6ebf0c6fa0a287b375b719b3f576287c7950458d6a75f4e293f7655.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:4264
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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:4668
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