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Analysis
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max time kernel
112s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
19/09/2024, 12:11
Static task
static1
Behavioral task
behavioral1
Sample
353a6f797e3e2c4e296ee8e5a72e393657f8e84889edd579d6f239c5d4ada270N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
353a6f797e3e2c4e296ee8e5a72e393657f8e84889edd579d6f239c5d4ada270N.exe
Resource
win10v2004-20240802-en
General
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Target
353a6f797e3e2c4e296ee8e5a72e393657f8e84889edd579d6f239c5d4ada270N.exe
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Size
977KB
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MD5
fea83f260f2972644d1dd41309f41200
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SHA1
859123bbf12e66d283c9a991f1ee62e8f7061ac5
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SHA256
353a6f797e3e2c4e296ee8e5a72e393657f8e84889edd579d6f239c5d4ada270
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SHA512
96d6676794b3a19506749ac7723a028a4c5f199ee414f80811f7cf01b4e2376917d444a0e0dc31d95439d5f41a2b0ba47fd05abac147912ee295a026410fa4bc
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SSDEEP
24576:QqNfcE3qokV5EkITpoWZHUkAjVhMfo9NWtxIVSfb+PP4Iyv10cv:QSkWFEEXyZVhf94txePOecv
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/3620-1092-0x0000000140000000-0x0000000140024000-memory.dmp family_snakekeylogger -
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 2676 created 3400 2676 353a6f797e3e2c4e296ee8e5a72e393657f8e84889edd579d6f239c5d4ada270N.exe 55 -
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-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tigzk = "C:\\Users\\Admin\\AppData\\Roaming\\Tigzk.exe" 353a6f797e3e2c4e296ee8e5a72e393657f8e84889edd579d6f239c5d4ada270N.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 2676 set thread context of 3620 2676 353a6f797e3e2c4e296ee8e5a72e393657f8e84889edd579d6f239c5d4ada270N.exe 82 -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2676 353a6f797e3e2c4e296ee8e5a72e393657f8e84889edd579d6f239c5d4ada270N.exe 3620 MSBuild.exe 3620 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2676 353a6f797e3e2c4e296ee8e5a72e393657f8e84889edd579d6f239c5d4ada270N.exe Token: SeDebugPrivilege 2676 353a6f797e3e2c4e296ee8e5a72e393657f8e84889edd579d6f239c5d4ada270N.exe Token: SeDebugPrivilege 3620 MSBuild.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2676 wrote to memory of 3620 2676 353a6f797e3e2c4e296ee8e5a72e393657f8e84889edd579d6f239c5d4ada270N.exe 82 PID 2676 wrote to memory of 3620 2676 353a6f797e3e2c4e296ee8e5a72e393657f8e84889edd579d6f239c5d4ada270N.exe 82 PID 2676 wrote to memory of 3620 2676 353a6f797e3e2c4e296ee8e5a72e393657f8e84889edd579d6f239c5d4ada270N.exe 82 PID 2676 wrote to memory of 3620 2676 353a6f797e3e2c4e296ee8e5a72e393657f8e84889edd579d6f239c5d4ada270N.exe 82 PID 2676 wrote to memory of 3620 2676 353a6f797e3e2c4e296ee8e5a72e393657f8e84889edd579d6f239c5d4ada270N.exe 82 PID 2676 wrote to memory of 3620 2676 353a6f797e3e2c4e296ee8e5a72e393657f8e84889edd579d6f239c5d4ada270N.exe 82 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\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:3400
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C:\Users\Admin\AppData\Local\Temp\353a6f797e3e2c4e296ee8e5a72e393657f8e84889edd579d6f239c5d4ada270N.exe"C:\Users\Admin\AppData\Local\Temp\353a6f797e3e2c4e296ee8e5a72e393657f8e84889edd579d6f239c5d4ada270N.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:2676
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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:3620
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