Analysis
- max time kernel
105s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
04/04/2023, 01:33
Static task
static1
Behavioral task
behavioral1
Sample
setup.exe
Resource
win7-20230220-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
setup.exe
Resource
win10v2004-20230220-en
9 signatures
150 seconds
General
- Target setup.exe
- Size 257KB
- Sample230404-byjdjacb95
- SHA256 8404cb4a740d169256e49e3a22b2af1a61b2606e71cdca4f39deeccd5d461c91
- MD5 fd9277c7cb81691b9b997c4f2b0f9203
- SHA1 84bf887ea4b5782996e43b6038df4572b579b45e
- SHA512 983e2dc788707fc159bfd9da2b78239f1520aeeaf5d1bafc536b64f9ba52f85a6b45ca7ca2074320e4b006de402b28deefa5dfab7f2877947a4e446904759379
- SSDEEP 6144:hLhdrUs8fFSIdkZXL4sNqE+Y3ORwmwU1kUjbmj:RhdNNz1DqEV37mhbmj
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detect rhadamanthys stealer shellcode 4 IoCs
resource yara_rule behavioral2/memory/1980-138-0x0000000000580000-0x000000000059C000-memory.dmp family_rhadamanthys behavioral2/memory/1980-139-0x0000000000580000-0x000000000059C000-memory.dmp family_rhadamanthys behavioral2/memory/1980-141-0x0000000000580000-0x000000000059C000-memory.dmp family_rhadamanthys behavioral2/memory/1980-148-0x0000000000580000-0x000000000059C000-memory.dmp family_rhadamanthys - Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
- Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe - Program crash 1 IoCs
pid pid_target Process procid_target 4700 1980 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dllhost.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 dllhost.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1980 setup.exe 1980 setup.exe 652 dllhost.exe 652 dllhost.exe 652 dllhost.exe 652 dllhost.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1980 wrote to memory of 652 1980 setup.exe 90 PID 1980 wrote to memory of 652 1980 setup.exe 90 PID 1980 wrote to memory of 652 1980 setup.exe 90 PID 1980 wrote to memory of 652 1980 setup.exe 90 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1980 -
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:652
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1980 -s 7962⤵
- Program crash
PID:4700
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1980 -ip 19801⤵PID:2760