Analysis
- max time kernel
107s - max time network
109s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
14/04/2023, 01:00
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 338KB
- Sample230414-bcnfcsfc54
- SHA256 c8b6d97c8058d1d7c1bbc543733d6d953d9f3a70fbf62801c7ffb76e981d72f1
- MD5 00355abe549f9e78059a3fa00114d276
- SHA1 618927127ba7a749e032dc7eb4b8ae966c661721
- SHA512 41b51d01e0326c7debe8220590bb0cf3db41ee3b28a9f7c9351049c02a8217166c158c9ddf680dfa08ce89e7efe51a0d1e05973d8d43044fcb583f795283a4fa
- SSDEEP 6144:AUmSVJ2TWrmowfMSpf06PCJUcZsbQ9kDqQ:PxJ26yRXJ0BbQ
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
rhadamanthys
C2
-
http://179.43.142.201/img/favicon.png
Signatures
- Detect rhadamanthys stealer shellcode 4 IoCs
resource yara_rule behavioral2/memory/4408-138-0x0000000000630000-0x000000000064C000-memory.dmp family_rhadamanthys behavioral2/memory/4408-139-0x0000000000630000-0x000000000064C000-memory.dmp family_rhadamanthys behavioral2/memory/4408-141-0x0000000000630000-0x000000000064C000-memory.dmp family_rhadamanthys behavioral2/memory/4408-148-0x0000000000630000-0x000000000064C000-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-1-5-21-4238149048-355649189-894321705-1000\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 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 - Program crash 1 IoCs
pid pid_target Process procid_target 3748 4408 WerFault.exe 84 - 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 4408 setup.exe 4408 setup.exe 1236 dllhost.exe 1236 dllhost.exe 1236 dllhost.exe 1236 dllhost.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4408 wrote to memory of 1236 4408 setup.exe 91 PID 4408 wrote to memory of 1236 4408 setup.exe 91 PID 4408 wrote to memory of 1236 4408 setup.exe 91 PID 4408 wrote to memory of 1236 4408 setup.exe 91 - 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
-
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:4408 -
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:1236
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4408 -s 8362⤵
- Program crash
PID:3748
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4408 -ip 44081⤵PID:4388