Analysis
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max time kernel
122s -
max time network
135s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
18-12-2024 09:26
Static task
static1
Behavioral task
behavioral1
Sample
Orden de compra 20738377 3 4514245446 line #1490.xlsx.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Orden de compra 20738377 3 4514245446 line #1490.xlsx.exe
Resource
win10v2004-20241007-en
General
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Target
Orden de compra 20738377 3 4514245446 line #1490.xlsx.exe
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Size
1.1MB
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MD5
0504db08c76a38dec08e4f6b2a155cf1
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SHA1
a0f6fe508e54bc8d6c5d5402f04d35cb27975021
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SHA256
1a8ffdb70591463b95ad437130b052124f5e6f61ac0b643058dc91a827a2a189
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SHA512
35a5375389c5f5591e8b12b62e73a550eeb57995c738eae586b9df23e0504e940c2fa17143319a5d556adc3f4ffa0ac3fa65e47798d75a5898f0dce2f186e699
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SSDEEP
24576:sqDEvCTbMWu7rQYlBQcBiT6rprG8amh8N:sTvC/MTQYxsWR7am
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.acadental.com - Port:
587 - Username:
[email protected] - Password:
Dental9201$ - Email To:
[email protected]
Signatures
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VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
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Vipkeylogger family
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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\robustuous.vbs robustuous.exe -
Executes dropped EXE 1 IoCs
pid Process 2388 robustuous.exe -
Loads dropped DLL 1 IoCs
pid Process 3048 Orden de compra 20738377 3 4514245446 line #1490.xlsx.exe -
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\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 Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\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 -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral1/files/0x0008000000018bf3-8.dat autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2388 set thread context of 2496 2388 robustuous.exe 31 -
System Location Discovery: System Language Discovery 1 TTPs 3 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 Orden de compra 20738377 3 4514245446 line #1490.xlsx.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language robustuous.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2496 RegSvcs.exe 2496 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2388 robustuous.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2496 RegSvcs.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3048 wrote to memory of 2388 3048 Orden de compra 20738377 3 4514245446 line #1490.xlsx.exe 30 PID 3048 wrote to memory of 2388 3048 Orden de compra 20738377 3 4514245446 line #1490.xlsx.exe 30 PID 3048 wrote to memory of 2388 3048 Orden de compra 20738377 3 4514245446 line #1490.xlsx.exe 30 PID 3048 wrote to memory of 2388 3048 Orden de compra 20738377 3 4514245446 line #1490.xlsx.exe 30 PID 2388 wrote to memory of 2496 2388 robustuous.exe 31 PID 2388 wrote to memory of 2496 2388 robustuous.exe 31 PID 2388 wrote to memory of 2496 2388 robustuous.exe 31 PID 2388 wrote to memory of 2496 2388 robustuous.exe 31 PID 2388 wrote to memory of 2496 2388 robustuous.exe 31 PID 2388 wrote to memory of 2496 2388 robustuous.exe 31 PID 2388 wrote to memory of 2496 2388 robustuous.exe 31 PID 2388 wrote to memory of 2496 2388 robustuous.exe 31 -
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\Orden de compra 20738377 3 4514245446 line #1490.xlsx.exe"C:\Users\Admin\AppData\Local\Temp\Orden de compra 20738377 3 4514245446 line #1490.xlsx.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3048 -
C:\Users\Admin\AppData\Local\tapestrylike\robustuous.exe"C:\Users\Admin\AppData\Local\Temp\Orden de compra 20738377 3 4514245446 line #1490.xlsx.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2388 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\Orden de compra 20738377 3 4514245446 line #1490.xlsx.exe"3⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2496
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
271KB
MD57c93d5f2f0c2766beeb32c5874143ac0
SHA171c212f2ab17ee758db3c79d12bd51afa4e6698e
SHA256544f32b67fc422fba60540e15f58811371e0a2a418dd90cc1fa3bd4ed5179658
SHA512032bcc4812c04762aa2e9f775e1735b40e50c8d2e1d471257c9a6b70a1cc9817a5146aeb59b6701ea915ea7b333186e6906e53bc5af8272a641d38cb00eb7d18
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Filesize
1.1MB
MD50504db08c76a38dec08e4f6b2a155cf1
SHA1a0f6fe508e54bc8d6c5d5402f04d35cb27975021
SHA2561a8ffdb70591463b95ad437130b052124f5e6f61ac0b643058dc91a827a2a189
SHA51235a5375389c5f5591e8b12b62e73a550eeb57995c738eae586b9df23e0504e940c2fa17143319a5d556adc3f4ffa0ac3fa65e47798d75a5898f0dce2f186e699