Analysis
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max time kernel
145s -
max time network
115s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
20-09-2024 12:43
Static task
static1
Behavioral task
behavioral1
Sample
f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.exe
Resource
win10v2004-20240802-en
General
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Target
f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.exe
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Size
941KB
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MD5
61f9e6be7cae28b88ea8481acbe0c2c4
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SHA1
79f3eae9574c2a5e31483748ed4fb88d7ecd2d6f
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SHA256
f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3
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SHA512
fa0c63dd8c837f2368a3c858edb97b7f1208fe18cec09e1cb24d0bf4f0e073d8e30bc50d22b279ede734394b661eda0e7a16144a1957b282fffccf3007470378
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SSDEEP
24576:CLPI+JIfpe0ba/gDI7/dccQ8hxQuP6qXxOt0khg0lPDQMAI:CEnRK/0Iy0XQRqXxREvhDQQ
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot7327372938:AAHFwuC3knQ9jY-1T98yh8owXZiixS_neU0/sendMessage?chat_id=6951521546
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/2024-1093-0x0000000140000000-0x0000000140024000-memory.dmp family_snakekeylogger -
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 3196 created 3360 3196 f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.exe 56 -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tvkleyi = "C:\\Users\\Admin\\AppData\\Roaming\\Tvkleyi.exe" f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.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 15 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3196 set thread context of 2024 3196 f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.exe 82 -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 3196 f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.exe 2024 MSBuild.exe 2024 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3196 f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.exe Token: SeDebugPrivilege 3196 f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.exe Token: SeDebugPrivilege 2024 MSBuild.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3196 wrote to memory of 2024 3196 f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.exe 82 PID 3196 wrote to memory of 2024 3196 f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.exe 82 PID 3196 wrote to memory of 2024 3196 f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.exe 82 PID 3196 wrote to memory of 2024 3196 f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.exe 82 PID 3196 wrote to memory of 2024 3196 f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.exe 82 PID 3196 wrote to memory of 2024 3196 f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.exe 82 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3360
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C:\Users\Admin\AppData\Local\Temp\f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.exe"C:\Users\Admin\AppData\Local\Temp\f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3196
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2024
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