Analysis
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max time kernel
135s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
15/04/2023, 18:30
Static task
static1
Behavioral task
behavioral1
Sample
33016858dda6e636c7d3055af1a9249951fe38166435592c44d939578c4f6a3a.exe
Resource
win10v2004-20230220-en
General
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Target
33016858dda6e636c7d3055af1a9249951fe38166435592c44d939578c4f6a3a.exe
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Size
424KB
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MD5
7f4ef4c6b2189d39edf1b8913487e7e8
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SHA1
c0c0b4a1374d3725b52f1a1eb5a124dd7376203d
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SHA256
33016858dda6e636c7d3055af1a9249951fe38166435592c44d939578c4f6a3a
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SHA512
85009beb355246c534e2523516c0e90ef6cc9f6994901e9cb8ed9ec785bceec565e16e52033ca4e7a9e230b72f48347f51c7eaaf3d5bd9b094b6370e6c944ed3
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SSDEEP
6144:LRP2rMsCKHkHUZ3QE5wVF3ASZTctN0TCIYHkmwe4:LROrMsCKHiUZ3557SitN+mt4
Malware Config
Extracted
rhadamanthys
http://179.43.142.201/img/favicon.png
Signatures
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Detect rhadamanthys stealer shellcode 4 IoCs
resource yara_rule behavioral1/memory/4648-138-0x00000000009E0000-0x00000000009FC000-memory.dmp family_rhadamanthys behavioral1/memory/4648-139-0x00000000009E0000-0x00000000009FC000-memory.dmp family_rhadamanthys behavioral1/memory/4648-141-0x00000000009E0000-0x00000000009FC000-memory.dmp family_rhadamanthys behavioral1/memory/4648-149-0x00000000009E0000-0x00000000009FC000-memory.dmp family_rhadamanthys -
Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
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Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1056 4648 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 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 4648 33016858dda6e636c7d3055af1a9249951fe38166435592c44d939578c4f6a3a.exe 4648 33016858dda6e636c7d3055af1a9249951fe38166435592c44d939578c4f6a3a.exe 4792 dllhost.exe 4792 dllhost.exe 4792 dllhost.exe 4792 dllhost.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4648 wrote to memory of 4792 4648 33016858dda6e636c7d3055af1a9249951fe38166435592c44d939578c4f6a3a.exe 90 PID 4648 wrote to memory of 4792 4648 33016858dda6e636c7d3055af1a9249951fe38166435592c44d939578c4f6a3a.exe 90 PID 4648 wrote to memory of 4792 4648 33016858dda6e636c7d3055af1a9249951fe38166435592c44d939578c4f6a3a.exe 90 PID 4648 wrote to memory of 4792 4648 33016858dda6e636c7d3055af1a9249951fe38166435592c44d939578c4f6a3a.exe 90 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\33016858dda6e636c7d3055af1a9249951fe38166435592c44d939578c4f6a3a.exe"C:\Users\Admin\AppData\Local\Temp\33016858dda6e636c7d3055af1a9249951fe38166435592c44d939578c4f6a3a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4648 -
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:4792
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4648 -s 7322⤵
- Program crash
PID:1056
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4648 -ip 46481⤵PID:4716