Analysis
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max time kernel
139s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
18-12-2023 06:16
Static task
static1
Behavioral task
behavioral1
Sample
6f56162ccaafdd99cd623a0e3b23dc91.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
6f56162ccaafdd99cd623a0e3b23dc91.exe
Resource
win10v2004-20231215-en
General
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Target
6f56162ccaafdd99cd623a0e3b23dc91.exe
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Size
535KB
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MD5
6f56162ccaafdd99cd623a0e3b23dc91
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SHA1
526fc6fed2734db26c8c49f1d42ec97fe991217f
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SHA256
3e43fe5dce47c5a3115320ac38040f4b6367e58356a06810ca638579da1bf3d1
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SHA512
732c79efec4821605ee30c86206b4fa16f0da19e07468ad8a78c0ca2218dc271bb2967c9354f9e4ae91fc0f767380781dfc510c0e7db59c53b0f5fe46898fef3
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SSDEEP
12288:x2iNb0oLteLG3GdEHillLnCaF4dQqbe8RwQFXk:x16gkLMGdE015xFgxq
Malware Config
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 7 IoCs
Processes:
resource yara_rule behavioral1/memory/2756-10-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2756-11-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2756-13-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2756-16-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2756-18-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2756-20-0x0000000004910000-0x0000000004950000-memory.dmp family_snakekeylogger behavioral1/memory/2756-22-0x0000000004910000-0x0000000004950000-memory.dmp family_snakekeylogger -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.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.
Processes:
flow ioc 2 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
6f56162ccaafdd99cd623a0e3b23dc91.exedescription pid process target process PID 2316 set thread context of 2756 2316 6f56162ccaafdd99cd623a0e3b23dc91.exe MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
MSBuild.exepid process 2756 MSBuild.exe 2756 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MSBuild.exedescription pid process Token: SeDebugPrivilege 2756 MSBuild.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
6f56162ccaafdd99cd623a0e3b23dc91.exedescription pid process target process PID 2316 wrote to memory of 2756 2316 6f56162ccaafdd99cd623a0e3b23dc91.exe MSBuild.exe PID 2316 wrote to memory of 2756 2316 6f56162ccaafdd99cd623a0e3b23dc91.exe MSBuild.exe PID 2316 wrote to memory of 2756 2316 6f56162ccaafdd99cd623a0e3b23dc91.exe MSBuild.exe PID 2316 wrote to memory of 2756 2316 6f56162ccaafdd99cd623a0e3b23dc91.exe MSBuild.exe PID 2316 wrote to memory of 2756 2316 6f56162ccaafdd99cd623a0e3b23dc91.exe MSBuild.exe PID 2316 wrote to memory of 2756 2316 6f56162ccaafdd99cd623a0e3b23dc91.exe MSBuild.exe PID 2316 wrote to memory of 2756 2316 6f56162ccaafdd99cd623a0e3b23dc91.exe MSBuild.exe PID 2316 wrote to memory of 2756 2316 6f56162ccaafdd99cd623a0e3b23dc91.exe MSBuild.exe PID 2316 wrote to memory of 2756 2316 6f56162ccaafdd99cd623a0e3b23dc91.exe MSBuild.exe -
outlook_office_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6f56162ccaafdd99cd623a0e3b23dc91.exe"C:\Users\Admin\AppData\Local\Temp\6f56162ccaafdd99cd623a0e3b23dc91.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2316 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2756