Analysis
- max time kernel
55s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
29/03/2023, 19:08
Static task
static1
Behavioral task
behavioral1
Sample
cd7b680c1d33ea53f40d274e809ef217.exe
Resource
win7-20230220-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
cd7b680c1d33ea53f40d274e809ef217.exe
Resource
win10v2004-20230220-en
10 signatures
150 seconds
General
- Target cd7b680c1d33ea53f40d274e809ef217.exe
- Size 366KB
- Sample230329-xs8bcsbc2w
- SHA256 aa149abdd00dd6344cd661a977468105dfdaba67753df2fbd99fb075f7b7a15d
- MD5 cd7b680c1d33ea53f40d274e809ef217
- SHA1 f27a6398cad0a562b56d2eccdac462b9a780d991
- SHA512 2a178fef2ee96a4d626540d1fa7493d45216c21478626240864716e58de24b5156fa7aa1e78c76af18ed81fd4b2509ebef4abdc6a56f237cc21e0212495f572f
- SSDEEP 6144:i9vnyWDSKcczM3mOsFsqlPJEMs+EWryl:i9f5WKRonoRjEWrQ
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detect rhadamanthys stealer shellcode 4 IoCs
resource yara_rule behavioral2/memory/552-138-0x0000000002D30000-0x0000000002D4C000-memory.dmp family_rhadamanthys behavioral2/memory/552-140-0x0000000002D30000-0x0000000002D4C000-memory.dmp family_rhadamanthys behavioral2/memory/552-143-0x0000000002D30000-0x0000000002D4C000-memory.dmp family_rhadamanthys behavioral2/memory/552-149-0x0000000002D30000-0x0000000002D4C000-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-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 552 cd7b680c1d33ea53f40d274e809ef217.exe 552 cd7b680c1d33ea53f40d274e809ef217.exe 552 cd7b680c1d33ea53f40d274e809ef217.exe - Program crash 1 IoCs
pid pid_target Process procid_target 5016 552 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 552 cd7b680c1d33ea53f40d274e809ef217.exe 552 cd7b680c1d33ea53f40d274e809ef217.exe 5088 dllhost.exe 5088 dllhost.exe 5088 dllhost.exe 5088 dllhost.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 552 wrote to memory of 5088 552 cd7b680c1d33ea53f40d274e809ef217.exe 88 PID 552 wrote to memory of 5088 552 cd7b680c1d33ea53f40d274e809ef217.exe 88 PID 552 wrote to memory of 5088 552 cd7b680c1d33ea53f40d274e809ef217.exe 88 PID 552 wrote to memory of 5088 552 cd7b680c1d33ea53f40d274e809ef217.exe 88 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\cd7b680c1d33ea53f40d274e809ef217.exe"C:\Users\Admin\AppData\Local\Temp\cd7b680c1d33ea53f40d274e809ef217.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:552 -
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:5088
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 552 -s 7002⤵
- Program crash
PID:5016
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 552 -ip 5521⤵PID:4016