Analysis
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max time kernel
147s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
22-10-2023 07:23
Static task
static1
Behavioral task
behavioral1
Sample
d68996a2f45b0789f9459f2d5febb7d3.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
d68996a2f45b0789f9459f2d5febb7d3.exe
Resource
win10v2004-20231020-en
General
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Target
d68996a2f45b0789f9459f2d5febb7d3.exe
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Size
691KB
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MD5
d68996a2f45b0789f9459f2d5febb7d3
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SHA1
76a9cccd1ff91fc37b784ce3ca9db0d3782abf6a
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SHA256
5f8be56dea9bea8e39fe710325e59720a3168500a07cf780abbc0cbf0b3249ce
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SHA512
995bfbd2e53d3e10190fea34011c912aa754dfb680c9152b60d0fdee1b48cc1f30ad43f5309d4f95cb0b2577186c6528e355ffc5facf9d1ab80f1deede950ac2
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SSDEEP
12288:hXtcgcGkQRq7jjYZcq7St7BlgK6dYINDBJ90upqtg7Y3H0kIdO:h6wkdYuISt7BSzdRNtEgqtlkk
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot6581815121:AAHhziZ2mQS5qcx02h_Vx6A5dDt8ehDjIWw/sendMessage?chat_id=5262627523
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/444-9-0x0000000140000000-0x0000000140022000-memory.dmp family_snakekeylogger behavioral2/memory/444-13-0x000001DE70760000-0x000001DE70770000-memory.dmp family_snakekeylogger -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
d68996a2f45b0789f9459f2d5febb7d3.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fffffff = "C:\\Users\\Admin\\AppData\\Roaming\\fffffff.exe" d68996a2f45b0789f9459f2d5febb7d3.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 43 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
d68996a2f45b0789f9459f2d5febb7d3.exedescription pid process target process PID 5084 set thread context of 444 5084 d68996a2f45b0789f9459f2d5febb7d3.exe MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
MSBuild.exepid process 444 MSBuild.exe 444 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
d68996a2f45b0789f9459f2d5febb7d3.exeMSBuild.exedescription pid process Token: SeDebugPrivilege 5084 d68996a2f45b0789f9459f2d5febb7d3.exe Token: SeDebugPrivilege 444 MSBuild.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
d68996a2f45b0789f9459f2d5febb7d3.exedescription pid process target process PID 5084 wrote to memory of 444 5084 d68996a2f45b0789f9459f2d5febb7d3.exe MSBuild.exe PID 5084 wrote to memory of 444 5084 d68996a2f45b0789f9459f2d5febb7d3.exe MSBuild.exe PID 5084 wrote to memory of 444 5084 d68996a2f45b0789f9459f2d5febb7d3.exe MSBuild.exe PID 5084 wrote to memory of 444 5084 d68996a2f45b0789f9459f2d5febb7d3.exe MSBuild.exe PID 5084 wrote to memory of 444 5084 d68996a2f45b0789f9459f2d5febb7d3.exe MSBuild.exe PID 5084 wrote to memory of 444 5084 d68996a2f45b0789f9459f2d5febb7d3.exe MSBuild.exe -
outlook_office_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\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-1-5-21-1873812795-1433807462-1429862679-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d68996a2f45b0789f9459f2d5febb7d3.exe"C:\Users\Admin\AppData\Local\Temp\d68996a2f45b0789f9459f2d5febb7d3.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5084 -
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:444