Analysis
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max time kernel
91s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
30-09-2022 13:12
Static task
static1
Behavioral task
behavioral1
Sample
854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe
Resource
win10v2004-20220901-en
General
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Target
854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe
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Size
773KB
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MD5
4c0879ae07575bf47a534f7591fa31de
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SHA1
36bf899720c14b0b6dfc7728bcf2f6a4befd7b13
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SHA256
ee7e969904407f4e591c22b00ed91d1ed3f28c717e7075169d405dd157950bb4
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SHA512
ec166c0f997ca8b850c34ff0605f10e9fa349d3cc811cebcdd50c92c83c020f2c2c73b8be4d66d49f35d74766f5e3081c55afeb2c196783e5a93467c7e6efbae
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SSDEEP
12288:7To0l1k5gTusufEdIbfRGzAo3pnhbI11m7Iusl6XULJiNll3hYWnxEDv6DK:7TmKussEdITReAo3pnhE3usSzPhY2
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot5253212199:AAG-02qWN77aEjxlYTZ-WAZ7WOi_I4kCde8/sendMessage?chat_id=2128925974
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1576-139-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\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 62 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exedescription pid process target process PID 3124 set thread context of 1576 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 25 IoCs
Processes:
854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exeMSBuild.exepid process 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe 1576 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exeMSBuild.exedescription pid process Token: SeDebugPrivilege 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe Token: SeDebugPrivilege 1576 MSBuild.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exedescription pid process target process PID 3124 wrote to memory of 1576 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe MSBuild.exe PID 3124 wrote to memory of 1576 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe MSBuild.exe PID 3124 wrote to memory of 1576 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe MSBuild.exe PID 3124 wrote to memory of 1576 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe MSBuild.exe PID 3124 wrote to memory of 1576 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe MSBuild.exe PID 3124 wrote to memory of 1576 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe MSBuild.exe PID 3124 wrote to memory of 1576 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe MSBuild.exe PID 3124 wrote to memory of 1576 3124 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe MSBuild.exe -
outlook_office_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\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-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe"C:\Users\Admin\AppData\Local\Temp\854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3124 -
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:1576