Analysis
- max time kernel
122s - max time network
128s - platform
windows10-2004_x64 - resource
win10v2004-20230221-en - resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system - submitted
21/03/2023, 11:42
Static task
static1
Behavioral task
behavioral1
Sample
368acbc1100ac88ba7b178afc94836bc.exe
Resource
win7-20230220-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
368acbc1100ac88ba7b178afc94836bc.exe
Resource
win10v2004-20230221-en
10 signatures
150 seconds
General
- Target 368acbc1100ac88ba7b178afc94836bc.exe
- Size 250KB
- Sample230321-nt141aca7y
- SHA256 efe3552aaaa8fdce760279c54e056fa4132973a17667322ccdeaedcf0e6a0d91
- MD5 368acbc1100ac88ba7b178afc94836bc
- SHA1 6a60baaa898f8f2fd4a9fde1b90fe608b5920617
- SHA512 0295dc9f636809cb227d4e38da624757b59c4f2485fdacf05ee5ec19244e5d0d61a0b11052f75e3de54c19ec3ac34a0fa999f88461565cfede8b5be3d763fbba
- SSDEEP 3072:pW5EyJ7rXDWIM5P5q9E0ywlFXMNkyQKuEnFnbmUq2u3W57kfIOQSZ:9yxlMRd0ywl2NkyQhMFBFu3W57Z
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detect rhadamanthys stealer shellcode 5 IoCs
resource yara_rule behavioral2/memory/1432-139-0x0000000002230000-0x000000000224C000-memory.dmp family_rhadamanthys behavioral2/memory/1432-141-0x0000000002230000-0x000000000224C000-memory.dmp family_rhadamanthys behavioral2/memory/1432-144-0x0000000002230000-0x000000000224C000-memory.dmp family_rhadamanthys behavioral2/memory/1432-146-0x0000000002230000-0x000000000224C000-memory.dmp family_rhadamanthys behavioral2/memory/1432-156-0x0000000002230000-0x000000000224C000-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-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook dllhost.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 1432 368acbc1100ac88ba7b178afc94836bc.exe 1432 368acbc1100ac88ba7b178afc94836bc.exe 1432 368acbc1100ac88ba7b178afc94836bc.exe - Program crash 1 IoCs
pid pid_target Process procid_target 4220 1432 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 1432 368acbc1100ac88ba7b178afc94836bc.exe 1432 368acbc1100ac88ba7b178afc94836bc.exe 1596 dllhost.exe 1596 dllhost.exe 1596 dllhost.exe 1596 dllhost.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1432 wrote to memory of 1596 1432 368acbc1100ac88ba7b178afc94836bc.exe 91 PID 1432 wrote to memory of 1596 1432 368acbc1100ac88ba7b178afc94836bc.exe 91 PID 1432 wrote to memory of 1596 1432 368acbc1100ac88ba7b178afc94836bc.exe 91 PID 1432 wrote to memory of 1596 1432 368acbc1100ac88ba7b178afc94836bc.exe 91 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\368acbc1100ac88ba7b178afc94836bc.exe"C:\Users\Admin\AppData\Local\Temp\368acbc1100ac88ba7b178afc94836bc.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1432 -
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:1596
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 7082⤵
- Program crash
PID:4220
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1432 -ip 14321⤵PID:3584