Analysis
- max time kernel
85s - max time network
107s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
03/04/2023, 12:38
Static task
static1
Behavioral task
behavioral1
Sample
bd434864980824e06ced11bf2469e67a.exe
Resource
win7-20230220-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
bd434864980824e06ced11bf2469e67a.exe
Resource
win10v2004-20230220-en
10 signatures
150 seconds
General
- Target bd434864980824e06ced11bf2469e67a.exe
- Size 315KB
- Sample230403-pt3s9sef85
- SHA256 a4b6a1619cf4ff65770be120cc415de1e8897c2378610171f3c48ff0fa38e9fe
- MD5 bd434864980824e06ced11bf2469e67a
- SHA1 7c37c4781fa6d44a4fc35a4d3cc78a35a13d8675
- SHA512 c9526efd0ae458ec7589a62c6cd178d3df8c56d06c146716f5323237d53b427b7d908262772753203bd34d13ea8fc39e8b33e1024fdbefda18ee12efd440058d
- SSDEEP 6144:ytp8XmnOMKz/+72bPefDqZuzsT43wE/6V6TIZtkjt:IyX8OMUxG+uz9gE/6cIGt
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detect rhadamanthys stealer shellcode 4 IoCs
resource yara_rule behavioral2/memory/1436-138-0x0000000002590000-0x00000000025AC000-memory.dmp family_rhadamanthys behavioral2/memory/1436-140-0x0000000002590000-0x00000000025AC000-memory.dmp family_rhadamanthys behavioral2/memory/1436-143-0x0000000002590000-0x00000000025AC000-memory.dmp family_rhadamanthys behavioral2/memory/1436-150-0x0000000002590000-0x00000000025AC000-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\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 Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook dllhost.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 1436 bd434864980824e06ced11bf2469e67a.exe 1436 bd434864980824e06ced11bf2469e67a.exe 1436 bd434864980824e06ced11bf2469e67a.exe - Program crash 1 IoCs
pid pid_target Process procid_target 4104 1436 WerFault.exe 79 - 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 1436 bd434864980824e06ced11bf2469e67a.exe 1436 bd434864980824e06ced11bf2469e67a.exe 1288 dllhost.exe 1288 dllhost.exe 1288 dllhost.exe 1288 dllhost.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1436 wrote to memory of 1288 1436 bd434864980824e06ced11bf2469e67a.exe 82 PID 1436 wrote to memory of 1288 1436 bd434864980824e06ced11bf2469e67a.exe 82 PID 1436 wrote to memory of 1288 1436 bd434864980824e06ced11bf2469e67a.exe 82 PID 1436 wrote to memory of 1288 1436 bd434864980824e06ced11bf2469e67a.exe 82 - 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\bd434864980824e06ced11bf2469e67a.exe"C:\Users\Admin\AppData\Local\Temp\bd434864980824e06ced11bf2469e67a.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1436 -
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:1288
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 7282⤵
- Program crash
PID:4104
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1436 -ip 14361⤵PID:2120