Analysis
- max time kernel
84s - max time network
130s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
05/04/2023, 10:57
Static task
static1
Behavioral task
behavioral1
Sample
94b5e686a97900aa3b37e4b91bc1f527.exe
Resource
win7-20230220-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
94b5e686a97900aa3b37e4b91bc1f527.exe
Resource
win10v2004-20230220-en
9 signatures
150 seconds
General
- Target 94b5e686a97900aa3b37e4b91bc1f527.exe
- Size 273KB
- Sample230405-m19jaadc49
- SHA256 e98666fc150e5d345ed957a4755bcb23529d17977c8da9920faaff25003f561d
- MD5 94b5e686a97900aa3b37e4b91bc1f527
- SHA1 8a4e96d9f9489a73ad49ac56e61e879111b0dd4c
- SHA512 685a0e45f28b6abbcc6190f3bdbf88cd9e09dbce93a553d9ea946aa0b63721c3f9d6f4246e2c59f6ab8bca0317d6a79b6b503950b7cec307fdf00e5b7dfb7b72
- SSDEEP 3072:tQX+w/80EWdxNbHsu3VjCEN4MLm857pkV+Pyb586hkg45sYUYsxTw:yXp80VNbHBoQfL7++Py986vYUYiT
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detect rhadamanthys stealer shellcode 5 IoCs
resource yara_rule behavioral2/memory/1304-138-0x0000000002230000-0x000000000224C000-memory.dmp family_rhadamanthys behavioral2/memory/1304-139-0x0000000002230000-0x000000000224C000-memory.dmp family_rhadamanthys behavioral2/memory/1304-140-0x0000000002250000-0x000000000226A000-memory.dmp family_rhadamanthys behavioral2/memory/1304-141-0x0000000002230000-0x000000000224C000-memory.dmp family_rhadamanthys behavioral2/memory/1304-148-0x0000000002230000-0x000000000224C000-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-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook dllhost.exe - Program crash 1 IoCs
pid pid_target Process procid_target 3416 1304 WerFault.exe 87 - 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 1304 94b5e686a97900aa3b37e4b91bc1f527.exe 1304 94b5e686a97900aa3b37e4b91bc1f527.exe 3096 dllhost.exe 3096 dllhost.exe 3096 dllhost.exe 3096 dllhost.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1304 wrote to memory of 3096 1304 94b5e686a97900aa3b37e4b91bc1f527.exe 94 PID 1304 wrote to memory of 3096 1304 94b5e686a97900aa3b37e4b91bc1f527.exe 94 PID 1304 wrote to memory of 3096 1304 94b5e686a97900aa3b37e4b91bc1f527.exe 94 PID 1304 wrote to memory of 3096 1304 94b5e686a97900aa3b37e4b91bc1f527.exe 94 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\94b5e686a97900aa3b37e4b91bc1f527.exe"C:\Users\Admin\AppData\Local\Temp\94b5e686a97900aa3b37e4b91bc1f527.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1304 -
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:3096
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1304 -s 6962⤵
- Program crash
PID:3416
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1304 -ip 13041⤵PID:424