Analysis
- max time kernel
103s - max time network
131s - 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, 15:00
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230220-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20230220-en
9 signatures
150 seconds
General
- Target file.exe
- Size 261KB
- Sample230405-sdbavsfd79
- SHA256 cdf3769ff60af93c67c52ebd0a532c40a7df454bbb217f35e8035f5e3ec4bc21
- MD5 80613a5b97fbe41d59d7e204b07cee62
- SHA1 10c85ae9506fe4594b36ef0f14620706fef921ab
- SHA512 4cf49ac46e8cb6b136a7ec28e960fad9b0ef8dc32cf65e99fdf9fcb6f6d6f6f0efa031fa7904dc73cbfcdc3df91e2db1631fdc07692da01c373424b5553b3aac
- SSDEEP 3072:oe0ypFDTg7swaJfoh4pqMN59p4AKnqmAhukZ3lMSABGk+jOuitXmhlaK55rJuTIx:yyHDTgraA4pjKnq5ukZaJok+zCorJuT
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detect rhadamanthys stealer shellcode 4 IoCs
resource yara_rule behavioral2/memory/2476-138-0x0000000000690000-0x00000000006AC000-memory.dmp family_rhadamanthys behavioral2/memory/2476-139-0x0000000000690000-0x00000000006AC000-memory.dmp family_rhadamanthys behavioral2/memory/2476-141-0x0000000000690000-0x00000000006AC000-memory.dmp family_rhadamanthys behavioral2/memory/2476-148-0x0000000000690000-0x00000000006AC000-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-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook dllhost.exe - Program crash 1 IoCs
pid pid_target Process procid_target 1352 2476 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 2476 file.exe 2476 file.exe 2308 dllhost.exe 2308 dllhost.exe 2308 dllhost.exe 2308 dllhost.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2476 wrote to memory of 2308 2476 file.exe 91 PID 2476 wrote to memory of 2308 2476 file.exe 91 PID 2476 wrote to memory of 2308 2476 file.exe 91 PID 2476 wrote to memory of 2308 2476 file.exe 91 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2476 -
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:2308
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2476 -s 7122⤵
- Program crash
PID:1352
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2476 -ip 24761⤵PID:1956