Analysis
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max time kernel
121s -
max time network
133s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
28-11-2024 19:34
Static task
static1
Behavioral task
behavioral1
Sample
RECEIPTDATED28.11.2024pdf.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
RECEIPTDATED28.11.2024pdf.exe
Resource
win10v2004-20241007-en
General
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Target
RECEIPTDATED28.11.2024pdf.exe
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Size
978KB
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MD5
53699fc6f42ae5922ed39558c20e5a49
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SHA1
1ca134a30c20b59faa40d0ff423b0097ebffc890
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SHA256
a34887afea413ee213c59e09cefd8343dd9c606c2c5c41022707412788fafe52
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SHA512
45b164e4eff353b29b0c2308536d24e42c943b313f564964051dd21d0248d0b58ae1ece11dd99cab5470742b81afc9702f6647a3329486765e4d225edc22df0d
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SSDEEP
12288:Jtb20Qc3lT7af41ePBRYuQLKpqeUhbTv5OFgNuPPpHSgafTBi+XQFdYEyc6A:Jtb20pkaCqT5TBWgNQ7a7BTg7Yxc6A
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 3 IoCs
resource yara_rule behavioral1/memory/2908-7-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2908-9-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2908-11-0x0000000000400000-0x0000000000426000-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-1-5-21-4177215427-74451935-3209572229-1000\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 2104 set thread context of 2908 2104 RECEIPTDATED28.11.2024pdf.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 RECEIPTDATED28.11.2024pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2908 RegSvcs.exe 2908 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2104 RECEIPTDATED28.11.2024pdf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2908 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2104 RECEIPTDATED28.11.2024pdf.exe 2104 RECEIPTDATED28.11.2024pdf.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 2104 RECEIPTDATED28.11.2024pdf.exe 2104 RECEIPTDATED28.11.2024pdf.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2104 wrote to memory of 2908 2104 RECEIPTDATED28.11.2024pdf.exe 30 PID 2104 wrote to memory of 2908 2104 RECEIPTDATED28.11.2024pdf.exe 30 PID 2104 wrote to memory of 2908 2104 RECEIPTDATED28.11.2024pdf.exe 30 PID 2104 wrote to memory of 2908 2104 RECEIPTDATED28.11.2024pdf.exe 30 PID 2104 wrote to memory of 2908 2104 RECEIPTDATED28.11.2024pdf.exe 30 PID 2104 wrote to memory of 2908 2104 RECEIPTDATED28.11.2024pdf.exe 30 PID 2104 wrote to memory of 2908 2104 RECEIPTDATED28.11.2024pdf.exe 30 PID 2104 wrote to memory of 2908 2104 RECEIPTDATED28.11.2024pdf.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\RECEIPTDATED28.11.2024pdf.exe"C:\Users\Admin\AppData\Local\Temp\RECEIPTDATED28.11.2024pdf.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:2104 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\RECEIPTDATED28.11.2024pdf.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:2908
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