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Analysis
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max time kernel
122s -
max time network
129s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
05/02/2025, 07:14
Static task
static1
Behavioral task
behavioral1
Sample
75240249988_Dekont20250203_27383773,XLSX.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
75240249988_Dekont20250203_27383773,XLSX.exe
Resource
win10v2004-20250129-en
General
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Target
75240249988_Dekont20250203_27383773,XLSX.exe
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Size
623KB
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MD5
f2cc801b28dda05a63c46d736ed30ec8
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SHA1
73b728f5b8a2631c6a0ac0b2bd9faab180580668
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SHA256
a1ab0620a442b9a43283cd20d3d2c5d168262b56f35224e07b263c985ba41849
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SHA512
9f12851d803edac1187e82e3a1d9467e6e2860a526bd4af68ce7ef25b377979bc73d94ad9c35943e3bd5c112b967344b507384498f3f495027b736517a9947f9
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SSDEEP
12288:kYubKySswecl9dAaIIzGzzMWMli3FarIkfaPiIDGm:AweSXzz7iKfmbDG
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.puragenicindia.com - Port:
587 - Username:
[email protected] - Password:
bobbyj2016@bobbyj2016@
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 5 IoCs
resource yara_rule behavioral1/memory/2420-15-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2420-11-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2420-9-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2420-20-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2420-17-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Snakekeylogger family
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2040 powershell.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 75240249988_Dekont20250203_27383773,XLSX.exe Key opened \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 75240249988_Dekont20250203_27383773,XLSX.exe Key opened \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 75240249988_Dekont20250203_27383773,XLSX.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 checkip.dyndns.org 8 reallyfreegeoip.org 9 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2020 set thread context of 2420 2020 75240249988_Dekont20250203_27383773,XLSX.exe 34 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 75240249988_Dekont20250203_27383773,XLSX.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 75240249988_Dekont20250203_27383773,XLSX.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2020 75240249988_Dekont20250203_27383773,XLSX.exe 2020 75240249988_Dekont20250203_27383773,XLSX.exe 2420 75240249988_Dekont20250203_27383773,XLSX.exe 2040 powershell.exe 2420 75240249988_Dekont20250203_27383773,XLSX.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2020 75240249988_Dekont20250203_27383773,XLSX.exe Token: SeDebugPrivilege 2420 75240249988_Dekont20250203_27383773,XLSX.exe Token: SeDebugPrivilege 2040 powershell.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2020 wrote to memory of 2040 2020 75240249988_Dekont20250203_27383773,XLSX.exe 31 PID 2020 wrote to memory of 2040 2020 75240249988_Dekont20250203_27383773,XLSX.exe 31 PID 2020 wrote to memory of 2040 2020 75240249988_Dekont20250203_27383773,XLSX.exe 31 PID 2020 wrote to memory of 2040 2020 75240249988_Dekont20250203_27383773,XLSX.exe 31 PID 2020 wrote to memory of 2508 2020 75240249988_Dekont20250203_27383773,XLSX.exe 33 PID 2020 wrote to memory of 2508 2020 75240249988_Dekont20250203_27383773,XLSX.exe 33 PID 2020 wrote to memory of 2508 2020 75240249988_Dekont20250203_27383773,XLSX.exe 33 PID 2020 wrote to memory of 2508 2020 75240249988_Dekont20250203_27383773,XLSX.exe 33 PID 2020 wrote to memory of 2420 2020 75240249988_Dekont20250203_27383773,XLSX.exe 34 PID 2020 wrote to memory of 2420 2020 75240249988_Dekont20250203_27383773,XLSX.exe 34 PID 2020 wrote to memory of 2420 2020 75240249988_Dekont20250203_27383773,XLSX.exe 34 PID 2020 wrote to memory of 2420 2020 75240249988_Dekont20250203_27383773,XLSX.exe 34 PID 2020 wrote to memory of 2420 2020 75240249988_Dekont20250203_27383773,XLSX.exe 34 PID 2020 wrote to memory of 2420 2020 75240249988_Dekont20250203_27383773,XLSX.exe 34 PID 2020 wrote to memory of 2420 2020 75240249988_Dekont20250203_27383773,XLSX.exe 34 PID 2020 wrote to memory of 2420 2020 75240249988_Dekont20250203_27383773,XLSX.exe 34 PID 2020 wrote to memory of 2420 2020 75240249988_Dekont20250203_27383773,XLSX.exe 34 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 75240249988_Dekont20250203_27383773,XLSX.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 75240249988_Dekont20250203_27383773,XLSX.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\75240249988_Dekont20250203_27383773,XLSX.exe"C:\Users\Admin\AppData\Local\Temp\75240249988_Dekont20250203_27383773,XLSX.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2020 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\75240249988_Dekont20250203_27383773,XLSX.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2040
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C:\Users\Admin\AppData\Local\Temp\75240249988_Dekont20250203_27383773,XLSX.exe"C:\Users\Admin\AppData\Local\Temp\75240249988_Dekont20250203_27383773,XLSX.exe"2⤵PID:2508
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C:\Users\Admin\AppData\Local\Temp\75240249988_Dekont20250203_27383773,XLSX.exe"C:\Users\Admin\AppData\Local\Temp\75240249988_Dekont20250203_27383773,XLSX.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2420
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