Analysis
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max time kernel
88s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
21/04/2023, 19:54
Static task
static1
Behavioral task
behavioral1
Sample
b747b94550e14788cdbc79e0131ebe63f04d96ce7af35e6332a186a70e920caf.exe
Resource
win10v2004-20230220-en
General
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Target
b747b94550e14788cdbc79e0131ebe63f04d96ce7af35e6332a186a70e920caf.exe
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Size
298KB
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MD5
9c2d592ea22201220797a065025de859
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SHA1
67ec4c9e14b275d30be1a0bd5551df273c07e606
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SHA256
b747b94550e14788cdbc79e0131ebe63f04d96ce7af35e6332a186a70e920caf
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SHA512
47edf5c29e00351481b23dafd55fddf36586d7ab342d9153ed26780511a46c058164f2ce043f81523ea922fff5f61d6f8e1ce0798e151c130c9ef05c688e6203
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SSDEEP
3072:CeQuvULBR5R+4wS4wNdvVWjI7PMn699ejIJu/QyGG92roKqmjsmWCx53B2N8FhZw:R2B+4wOPWjIA63q1CUmWKBUaYr
Malware Config
Extracted
rhadamanthys
http://179.43.142.201/img/favicon.png
Signatures
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Detect rhadamanthys stealer shellcode 4 IoCs
resource yara_rule behavioral1/memory/4188-139-0x0000000004930000-0x000000000494C000-memory.dmp family_rhadamanthys behavioral1/memory/4188-140-0x0000000004930000-0x000000000494C000-memory.dmp family_rhadamanthys behavioral1/memory/4188-142-0x0000000004930000-0x000000000494C000-memory.dmp family_rhadamanthys behavioral1/memory/4188-149-0x0000000004930000-0x000000000494C000-memory.dmp family_rhadamanthys -
Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
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Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook dllhost.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 448 4188 WerFault.exe 83 -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 dllhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dllhost.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4188 b747b94550e14788cdbc79e0131ebe63f04d96ce7af35e6332a186a70e920caf.exe 4188 b747b94550e14788cdbc79e0131ebe63f04d96ce7af35e6332a186a70e920caf.exe 832 dllhost.exe 832 dllhost.exe 832 dllhost.exe 832 dllhost.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4188 wrote to memory of 832 4188 b747b94550e14788cdbc79e0131ebe63f04d96ce7af35e6332a186a70e920caf.exe 90 PID 4188 wrote to memory of 832 4188 b747b94550e14788cdbc79e0131ebe63f04d96ce7af35e6332a186a70e920caf.exe 90 PID 4188 wrote to memory of 832 4188 b747b94550e14788cdbc79e0131ebe63f04d96ce7af35e6332a186a70e920caf.exe 90 PID 4188 wrote to memory of 832 4188 b747b94550e14788cdbc79e0131ebe63f04d96ce7af35e6332a186a70e920caf.exe 90 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b747b94550e14788cdbc79e0131ebe63f04d96ce7af35e6332a186a70e920caf.exe"C:\Users\Admin\AppData\Local\Temp\b747b94550e14788cdbc79e0131ebe63f04d96ce7af35e6332a186a70e920caf.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4188 -
C:\Windows\system32\dllhost.exe"C:\Windows\system32\dllhost.exe"2⤵
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- outlook_office_path
- outlook_win_path
PID:832
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4188 -s 6962⤵
- Program crash
PID:448
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4188 -ip 41881⤵PID:4564