Analysis
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max time kernel
85s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
13-03-2023 07:47
Static task
static1
Behavioral task
behavioral1
Sample
dfa939a016791299b2a7c8572b220c56fc3b2fb2d72bc1a48b043e48a0fd17d4.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
dfa939a016791299b2a7c8572b220c56fc3b2fb2d72bc1a48b043e48a0fd17d4.exe
Resource
win10v2004-20230220-en
General
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Target
dfa939a016791299b2a7c8572b220c56fc3b2fb2d72bc1a48b043e48a0fd17d4.exe
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Size
260KB
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MD5
6e969d94d94255ee5fcec7d25d37d628
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SHA1
dff9177b66cc0b85574b1efa9cd6f3e51dce5f14
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SHA256
dfa939a016791299b2a7c8572b220c56fc3b2fb2d72bc1a48b043e48a0fd17d4
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SHA512
a4791dc27edb7a4ed769ed7f082b8e85cc4e4a66bbeedc13a9f31f650acc3a72a9a95ca5187fed8aa4559bc82d214aa9be2906e2048b0165617d5c0a2386939f
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SSDEEP
6144:mg1iSGJZE7nkecxf3jHalCAJtNeYpHzuYCP:ziSgEwemf3sXJtdzuYCP
Malware Config
Signatures
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Detect rhadamanthys stealer shellcode 4 IoCs
resource yara_rule behavioral2/memory/4808-138-0x0000000002240000-0x000000000225C000-memory.dmp family_rhadamanthys behavioral2/memory/4808-140-0x0000000002240000-0x000000000225C000-memory.dmp family_rhadamanthys behavioral2/memory/4808-143-0x0000000002240000-0x000000000225C000-memory.dmp family_rhadamanthys behavioral2/memory/4808-151-0x0000000002240000-0x000000000225C000-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-1-5-21-1013461898-3711306144-4198452673-1000\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 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 -
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 4808 dfa939a016791299b2a7c8572b220c56fc3b2fb2d72bc1a48b043e48a0fd17d4.exe 4808 dfa939a016791299b2a7c8572b220c56fc3b2fb2d72bc1a48b043e48a0fd17d4.exe 4808 dfa939a016791299b2a7c8572b220c56fc3b2fb2d72bc1a48b043e48a0fd17d4.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1268 4808 WerFault.exe 85 -
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 4808 dfa939a016791299b2a7c8572b220c56fc3b2fb2d72bc1a48b043e48a0fd17d4.exe 4808 dfa939a016791299b2a7c8572b220c56fc3b2fb2d72bc1a48b043e48a0fd17d4.exe 1180 dllhost.exe 1180 dllhost.exe 1180 dllhost.exe 1180 dllhost.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4808 wrote to memory of 1180 4808 dfa939a016791299b2a7c8572b220c56fc3b2fb2d72bc1a48b043e48a0fd17d4.exe 92 PID 4808 wrote to memory of 1180 4808 dfa939a016791299b2a7c8572b220c56fc3b2fb2d72bc1a48b043e48a0fd17d4.exe 92 PID 4808 wrote to memory of 1180 4808 dfa939a016791299b2a7c8572b220c56fc3b2fb2d72bc1a48b043e48a0fd17d4.exe 92 PID 4808 wrote to memory of 1180 4808 dfa939a016791299b2a7c8572b220c56fc3b2fb2d72bc1a48b043e48a0fd17d4.exe 92 -
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\dfa939a016791299b2a7c8572b220c56fc3b2fb2d72bc1a48b043e48a0fd17d4.exe"C:\Users\Admin\AppData\Local\Temp\dfa939a016791299b2a7c8572b220c56fc3b2fb2d72bc1a48b043e48a0fd17d4.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4808 -
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:1180
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4808 -s 7042⤵
- Program crash
PID:1268
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4808 -ip 48081⤵PID:4816