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Analysis
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max time kernel
56s -
max time network
71s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
09/03/2023, 18:26
Static task
static1
Behavioral task
behavioral1
Sample
4e1396b3d01363f49ffbfa3e3660b4102b6d20b24a9a0586689c359b5db50c2f.exe
Resource
win10-20230220-en
General
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Target
4e1396b3d01363f49ffbfa3e3660b4102b6d20b24a9a0586689c359b5db50c2f.exe
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Size
336KB
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MD5
bd6cd7531897cfaaabb683823f6e9b6b
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SHA1
7f97fc52b845c118c9116f5e48d8bc82027dcd24
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SHA256
4e1396b3d01363f49ffbfa3e3660b4102b6d20b24a9a0586689c359b5db50c2f
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SHA512
f0a11a5ea0305c7c2fbd0721ae00594be846d9244d138d0a68907975a737d0d7b21e3f4a4f4ec42ce0d9186aba8d301887a8d5a0e8e265551ff5d4a382735da0
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SSDEEP
6144:6L9dnx5Tu1AWSGesHrRmJDn8bU8kN/Rw54xV:65dnbTu2RUmB8bU8klRw5
Malware Config
Signatures
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Detect rhadamanthys stealer shellcode 4 IoCs
resource yara_rule behavioral1/memory/1736-126-0x0000000002240000-0x000000000225C000-memory.dmp family_rhadamanthys behavioral1/memory/1736-128-0x0000000002240000-0x000000000225C000-memory.dmp family_rhadamanthys behavioral1/memory/1736-131-0x0000000002240000-0x000000000225C000-memory.dmp family_rhadamanthys behavioral1/memory/1736-139-0x0000000002240000-0x000000000225C000-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-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook dllhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 1736 4e1396b3d01363f49ffbfa3e3660b4102b6d20b24a9a0586689c359b5db50c2f.exe 1736 4e1396b3d01363f49ffbfa3e3660b4102b6d20b24a9a0586689c359b5db50c2f.exe 1736 4e1396b3d01363f49ffbfa3e3660b4102b6d20b24a9a0586689c359b5db50c2f.exe -
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 1736 4e1396b3d01363f49ffbfa3e3660b4102b6d20b24a9a0586689c359b5db50c2f.exe 1736 4e1396b3d01363f49ffbfa3e3660b4102b6d20b24a9a0586689c359b5db50c2f.exe 2512 dllhost.exe 2512 dllhost.exe 2512 dllhost.exe 2512 dllhost.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1736 wrote to memory of 2512 1736 4e1396b3d01363f49ffbfa3e3660b4102b6d20b24a9a0586689c359b5db50c2f.exe 66 PID 1736 wrote to memory of 2512 1736 4e1396b3d01363f49ffbfa3e3660b4102b6d20b24a9a0586689c359b5db50c2f.exe 66 PID 1736 wrote to memory of 2512 1736 4e1396b3d01363f49ffbfa3e3660b4102b6d20b24a9a0586689c359b5db50c2f.exe 66 PID 1736 wrote to memory of 2512 1736 4e1396b3d01363f49ffbfa3e3660b4102b6d20b24a9a0586689c359b5db50c2f.exe 66 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4e1396b3d01363f49ffbfa3e3660b4102b6d20b24a9a0586689c359b5db50c2f.exe"C:\Users\Admin\AppData\Local\Temp\4e1396b3d01363f49ffbfa3e3660b4102b6d20b24a9a0586689c359b5db50c2f.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1736 -
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:2512
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