Analysis
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max time kernel
136s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
28-10-2024 13:10
Static task
static1
Behavioral task
behavioral1
Sample
INVOICE.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
INVOICE.exe
Resource
win10v2004-20241007-en
General
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Target
INVOICE.exe
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Size
1.1MB
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MD5
5ae1b38a4a27613e4a6b8d176a0c329b
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SHA1
0b0dd1b4d8da9e7f3ee3e1edc892fe2848326e7f
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SHA256
206c2be165a381f961ecf12f28ba8505fcbfd8e9d11d910d7c0f64dd587d25a4
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SHA512
b39550a95f118a4db6a5ea82ae15734e4d7535942022bba02bbcb5d57007e8150a423f39c3c6e686713db81da45576d94814ed877ab7ef4a98ef389183c30447
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SSDEEP
24576:ffmMv6Ckr7Mny5QLlzalVfl6X3onmJ+yiuww6:f3v+7/5QLlz2V23Wnqwz
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot7725731697:AAGDaS6uwtjyooOqJDAR7sd2PrRE4x2kmLI/sendMessage?chat_id=7711653069
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 33 IoCs
resource yara_rule behavioral2/memory/2796-8-0x00000000052F0000-0x000000000532A000-memory.dmp family_snakekeylogger behavioral2/memory/2796-12-0x00000000053A0000-0x00000000053D8000-memory.dmp family_snakekeylogger behavioral2/memory/2796-17-0x00000000053A0000-0x00000000053D3000-memory.dmp family_snakekeylogger behavioral2/memory/2796-25-0x00000000053A0000-0x00000000053D3000-memory.dmp family_snakekeylogger behavioral2/memory/2796-73-0x00000000053A0000-0x00000000053D3000-memory.dmp family_snakekeylogger behavioral2/memory/2796-71-0x00000000053A0000-0x00000000053D3000-memory.dmp family_snakekeylogger behavioral2/memory/2796-67-0x00000000053A0000-0x00000000053D3000-memory.dmp family_snakekeylogger behavioral2/memory/2796-65-0x00000000053A0000-0x00000000053D3000-memory.dmp family_snakekeylogger behavioral2/memory/2796-63-0x00000000053A0000-0x00000000053D3000-memory.dmp family_snakekeylogger behavioral2/memory/2796-61-0x00000000053A0000-0x00000000053D3000-memory.dmp family_snakekeylogger behavioral2/memory/2796-59-0x00000000053A0000-0x00000000053D3000-memory.dmp family_snakekeylogger behavioral2/memory/2796-57-0x00000000053A0000-0x00000000053D3000-memory.dmp family_snakekeylogger behavioral2/memory/2796-55-0x00000000053A0000-0x00000000053D3000-memory.dmp family_snakekeylogger behavioral2/memory/2796-53-0x00000000053A0000-0x00000000053D3000-memory.dmp family_snakekeylogger behavioral2/memory/2796-51-0x00000000053A0000-0x00000000053D3000-memory.dmp family_snakekeylogger behavioral2/memory/2796-49-0x00000000053A0000-0x00000000053D3000-memory.dmp family_snakekeylogger behavioral2/memory/2796-45-0x00000000053A0000-0x00000000053D3000-memory.dmp family_snakekeylogger behavioral2/memory/2796-44-0x00000000053A0000-0x00000000053D3000-memory.dmp family_snakekeylogger behavioral2/memory/2796-41-0x00000000053A0000-0x00000000053D3000-memory.dmp family_snakekeylogger behavioral2/memory/2796-39-0x00000000053A0000-0x00000000053D3000-memory.dmp family_snakekeylogger behavioral2/memory/2796-37-0x00000000053A0000-0x00000000053D3000-memory.dmp family_snakekeylogger behavioral2/memory/2796-35-0x00000000053A0000-0x00000000053D3000-memory.dmp family_snakekeylogger behavioral2/memory/2796-33-0x00000000053A0000-0x00000000053D3000-memory.dmp family_snakekeylogger behavioral2/memory/2796-31-0x00000000053A0000-0x00000000053D3000-memory.dmp family_snakekeylogger behavioral2/memory/2796-29-0x00000000053A0000-0x00000000053D3000-memory.dmp family_snakekeylogger behavioral2/memory/2796-23-0x00000000053A0000-0x00000000053D3000-memory.dmp family_snakekeylogger behavioral2/memory/2796-22-0x00000000053A0000-0x00000000053D3000-memory.dmp family_snakekeylogger behavioral2/memory/2796-19-0x00000000053A0000-0x00000000053D3000-memory.dmp family_snakekeylogger behavioral2/memory/2796-69-0x00000000053A0000-0x00000000053D3000-memory.dmp family_snakekeylogger behavioral2/memory/2796-47-0x00000000053A0000-0x00000000053D3000-memory.dmp family_snakekeylogger behavioral2/memory/2796-27-0x00000000053A0000-0x00000000053D3000-memory.dmp family_snakekeylogger behavioral2/memory/2796-15-0x00000000053A0000-0x00000000053D3000-memory.dmp family_snakekeylogger behavioral2/memory/2796-14-0x00000000053A0000-0x00000000053D3000-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-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\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 25 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4924 set thread context of 2796 4924 INVOICE.exe 87 -
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 INVOICE.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2796 RegSvcs.exe 2796 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4924 INVOICE.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2796 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4924 INVOICE.exe 4924 INVOICE.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 4924 INVOICE.exe 4924 INVOICE.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4924 wrote to memory of 2796 4924 INVOICE.exe 87 PID 4924 wrote to memory of 2796 4924 INVOICE.exe 87 PID 4924 wrote to memory of 2796 4924 INVOICE.exe 87 PID 4924 wrote to memory of 2796 4924 INVOICE.exe 87 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE.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:4924 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE.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:2796
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