Analysis
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max time kernel
120s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
04-10-2024 01:08
Static task
static1
Behavioral task
behavioral1
Sample
1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364.exe
Resource
win10v2004-20240802-en
General
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Target
1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364.exe
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Size
931KB
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MD5
58ff14d476f2bbaab31b12587c09559e
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SHA1
ea9c7ce65a67f2a2d4e1ca4a2c3ac6785021fc94
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SHA256
1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364
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SHA512
a75d4bd80620a9441783131812780397fb0c3b1c6d6b9147d65ece23d9cc9384c148f6c491794cfbc012c290e3266e06a76357b84141b843929a295c2649613a
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SSDEEP
24576:ffmMv6Ckr7Mny5QLiFrZo5cPsD+tOM5m4dxEMP:f3v+7/5QLiFrZycPBOP6Eg
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.purityontap.com - Port:
587 - Username:
[email protected] - Password:
mail55 - Email To:
[email protected]
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 4 IoCs
resource yara_rule behavioral1/memory/2528-3-0x0000000000090000-0x00000000000B6000-memory.dmp family_snakekeylogger behavioral1/memory/2528-9-0x0000000000090000-0x00000000000B6000-memory.dmp family_snakekeylogger behavioral1/memory/2528-5-0x0000000000090000-0x00000000000B6000-memory.dmp family_snakekeylogger behavioral1/memory/2528-12-0x0000000000090000-0x00000000000B6000-memory.dmp family_snakekeylogger -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.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 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2212 set thread context of 2528 2212 1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364.exe 30 -
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 2 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 1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2528 RegSvcs.exe 2528 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2212 1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364.exe 2212 1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2528 RegSvcs.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2212 wrote to memory of 2528 2212 1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364.exe 30 PID 2212 wrote to memory of 2528 2212 1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364.exe 30 PID 2212 wrote to memory of 2528 2212 1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364.exe 30 PID 2212 wrote to memory of 2528 2212 1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364.exe 30 PID 2212 wrote to memory of 2528 2212 1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364.exe 30 PID 2212 wrote to memory of 2528 2212 1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364.exe 30 PID 2212 wrote to memory of 2528 2212 1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364.exe 30 PID 2212 wrote to memory of 2528 2212 1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364.exe 30 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364.exe"C:\Users\Admin\AppData\Local\Temp\1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2212 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364.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:2528
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