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Analysis
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max time kernel
117s -
max time network
130s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
14/09/2024, 01:44
Static task
static1
Behavioral task
behavioral1
Sample
Documentos de envo..exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Documentos de envo..exe
Resource
win10v2004-20240802-en
General
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Target
Documentos de envo..exe
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Size
1.0MB
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MD5
64250fbc0c8194727c46f0a4ab569139
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SHA1
9f08f52161a6870763b7beae581524f41e4260cb
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SHA256
c108c9f1c3c725b221c947df56589449e367a112cc443b4fca8f1b53ec7412c3
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SHA512
55f534333a39b36b5e99f551c286282bba7ce346c91014cd42b520471f86dcc5cb4c2681ce6a0e02224f2ae6970fa5d32294ee63839b4a6521914ced8dba0ee4
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SSDEEP
24576:o5EmXFtKaL4/oFe5T9yyXYfP1ijXdamU3JupouR+:oPVt/LZeJbInQRam9
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
smtp.skagenships.com - Port:
587 - Username:
[email protected] - Password:
XAqEAz@4
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 3 IoCs
resource yara_rule behavioral1/memory/1880-7-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1880-9-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1880-11-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\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 3064 set thread context of 1880 3064 Documentos de envo..exe 30 -
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 Documentos de envo..exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1880 RegSvcs.exe 1880 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3064 Documentos de envo..exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1880 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3064 Documentos de envo..exe 3064 Documentos de envo..exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 3064 Documentos de envo..exe 3064 Documentos de envo..exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3064 wrote to memory of 1880 3064 Documentos de envo..exe 30 PID 3064 wrote to memory of 1880 3064 Documentos de envo..exe 30 PID 3064 wrote to memory of 1880 3064 Documentos de envo..exe 30 PID 3064 wrote to memory of 1880 3064 Documentos de envo..exe 30 PID 3064 wrote to memory of 1880 3064 Documentos de envo..exe 30 PID 3064 wrote to memory of 1880 3064 Documentos de envo..exe 30 PID 3064 wrote to memory of 1880 3064 Documentos de envo..exe 30 PID 3064 wrote to memory of 1880 3064 Documentos de envo..exe 30 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Documentos de envo..exe"C:\Users\Admin\AppData\Local\Temp\Documentos de envo..exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3064 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\Documentos de envo..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:1880
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