Analysis
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max time kernel
121s -
max time network
134s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
02-12-2024 14:57
Static task
static1
Behavioral task
behavioral1
Sample
HALKBANKEFTRECEIPTDATED02.12.2024.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
HALKBANKEFTRECEIPTDATED02.12.2024.exe
Resource
win10v2004-20241007-en
General
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Target
HALKBANKEFTRECEIPTDATED02.12.2024.exe
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Size
997KB
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MD5
17ea6d6488e819fed8fd3902170e3a61
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SHA1
4337787ac5d377021ac09608977a132116cbd26e
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SHA256
2c954cb7159b165ca9cf303c2b6f57f9e973e34de80119df704209ab6b07e080
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SHA512
4211ad65156658ece676c0c74f068e2d6c6ddf8ad35853ccf39054306410ae052e3c8ed52dd656ada0cfed727c6e356d09bbe99158b23114dbb08edd67843f2e
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SSDEEP
24576:1u6J33O0c+JY5UZ+XC0kGso6FaRpVE23pp7XWY:Xu0c++OCvkGs9FaRpVXppSY
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot8105461233:AAGikrL-FY3clQOY-lg3KOIDOXSLgX28_TU/sendMessage?chat_id=6147266367
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/2676-7-0x0000000000090000-0x00000000000B6000-memory.dmp family_snakekeylogger behavioral1/memory/2676-13-0x0000000000090000-0x00000000000B6000-memory.dmp family_snakekeylogger behavioral1/memory/2676-9-0x0000000000090000-0x00000000000B6000-memory.dmp family_snakekeylogger behavioral1/memory/2676-16-0x0000000000090000-0x00000000000B6000-memory.dmp family_snakekeylogger -
Snakekeylogger family
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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\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\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 2272 set thread context of 2676 2272 HALKBANKEFTRECEIPTDATED02.12.2024.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 HALKBANKEFTRECEIPTDATED02.12.2024.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2676 RegSvcs.exe 2676 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2272 HALKBANKEFTRECEIPTDATED02.12.2024.exe 2272 HALKBANKEFTRECEIPTDATED02.12.2024.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2676 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2272 HALKBANKEFTRECEIPTDATED02.12.2024.exe 2272 HALKBANKEFTRECEIPTDATED02.12.2024.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 2272 HALKBANKEFTRECEIPTDATED02.12.2024.exe 2272 HALKBANKEFTRECEIPTDATED02.12.2024.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2272 wrote to memory of 2676 2272 HALKBANKEFTRECEIPTDATED02.12.2024.exe 30 PID 2272 wrote to memory of 2676 2272 HALKBANKEFTRECEIPTDATED02.12.2024.exe 30 PID 2272 wrote to memory of 2676 2272 HALKBANKEFTRECEIPTDATED02.12.2024.exe 30 PID 2272 wrote to memory of 2676 2272 HALKBANKEFTRECEIPTDATED02.12.2024.exe 30 PID 2272 wrote to memory of 2676 2272 HALKBANKEFTRECEIPTDATED02.12.2024.exe 30 PID 2272 wrote to memory of 2676 2272 HALKBANKEFTRECEIPTDATED02.12.2024.exe 30 PID 2272 wrote to memory of 2676 2272 HALKBANKEFTRECEIPTDATED02.12.2024.exe 30 PID 2272 wrote to memory of 2676 2272 HALKBANKEFTRECEIPTDATED02.12.2024.exe 30 -
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 RegSvcs.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 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\HALKBANKEFTRECEIPTDATED02.12.2024.exe"C:\Users\Admin\AppData\Local\Temp\HALKBANKEFTRECEIPTDATED02.12.2024.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:2272 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\HALKBANKEFTRECEIPTDATED02.12.2024.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:2676
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