Analysis
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max time kernel
88s -
max time network
96s -
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, 01:40
Static task
static1
Behavioral task
behavioral1
Sample
a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2.exe
Resource
win10v2004-20230220-en
General
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Target
a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2.exe
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Size
423KB
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MD5
125d1cf1adccdd7c0e0058f02d7dcfc4
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SHA1
31ae25eb8cc617c94335773eb0261614554d9e19
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SHA256
a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2
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SHA512
e9e0b496e8ae722c58952dae5dc3f0942b1b87f2792741c05106792ae9249a44b6689560cf1e8cb87bb32ac26a375aa6f249643c0093e4d205ddd733da02d601
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SSDEEP
6144:IXyk2QYypRGEMkhlnKa+WvGdUjR7ODpTi:IX92B+RGEMsh+de7Ok
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/4696-138-0x0000000000980000-0x000000000099C000-memory.dmp family_rhadamanthys behavioral1/memory/4696-140-0x0000000000980000-0x000000000099C000-memory.dmp family_rhadamanthys behavioral1/memory/4696-141-0x0000000000980000-0x000000000099C000-memory.dmp family_rhadamanthys behavioral1/memory/4696-148-0x0000000000980000-0x000000000099C000-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-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook dllhost.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 556 4696 WerFault.exe 84 -
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 4696 a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2.exe 4696 a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2.exe 4824 dllhost.exe 4824 dllhost.exe 4824 dllhost.exe 4824 dllhost.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4696 wrote to memory of 4824 4696 a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2.exe 91 PID 4696 wrote to memory of 4824 4696 a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2.exe 91 PID 4696 wrote to memory of 4824 4696 a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2.exe 91 PID 4696 wrote to memory of 4824 4696 a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2.exe 91 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2.exe"C:\Users\Admin\AppData\Local\Temp\a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4696 -
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:4824
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4696 -s 7282⤵
- Program crash
PID:556
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4696 -ip 46961⤵PID:4108