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Analysis

  • 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

General

  • Target

    362c77f4545e9db800077e2f195784c90ad7b5e0443bdf7ce46c684ba8d5f365.exe

  • Size

    237KB

  • MD5

    ff3942e2fc45b4e77c10137b8b1d615c

  • SHA1

    70ad78aaf492327465db1cf7c28310816c1f5940

  • SHA256

    362c77f4545e9db800077e2f195784c90ad7b5e0443bdf7ce46c684ba8d5f365

  • SHA512

    d635b5df58caabb1c5df34e2c06dd65cb7912acab4173a70e82a480c622af81c890dfaaf1cfba664f61cb2f5a52eb83477c2b38f8fe33101871975505b93614c

  • SSDEEP

    3072:VAgRkaXIWULQZhXATJosqFjaycA6529O6Z+igQ8ei4x51APj47lynZSFL9R:xRJXvULEyV+lS2V55mPilyZE

Malware Config

Signatures

  • Detect rhadamanthys stealer shellcode 4 IoCs
  • Rhadamanthys

    Rhadamanthys is an info stealer written in C++ first seen in August 2022.

  • Blocklisted process makes network request 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • 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|I4wGzFIjUwkQP8P10iBxHQhYSQtCC0B
      2⤵
      • 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.exe
        C:\Windows\system32\WerFault.exe -u -p 2496 -s 228
        3⤵
        • Program crash
        PID:4144

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\nsis_unse569ec5.dll

    Filesize

    49KB

    MD5

    832890fded186835970d1d3302590138

    SHA1

    5385703e9dcde43e60928b2e9c941b7232468a6a

    SHA256

    438c088568093ad767802ba5e132efbd4e643ddf62e4996565c3b46719e3e576

    SHA512

    5cf752eac75b532b32501c9d469cbcb6638b49cf20df040554b37986cbe3c068a10e2ff69747b594b5b114111cbbe1cdfbbd0f394a7ac71b863e042414a68ae1

  • \Users\Admin\AppData\Roaming\nsis_unse569ec5.dll

    Filesize

    49KB

    MD5

    832890fded186835970d1d3302590138

    SHA1

    5385703e9dcde43e60928b2e9c941b7232468a6a

    SHA256

    438c088568093ad767802ba5e132efbd4e643ddf62e4996565c3b46719e3e576

    SHA512

    5cf752eac75b532b32501c9d469cbcb6638b49cf20df040554b37986cbe3c068a10e2ff69747b594b5b114111cbbe1cdfbbd0f394a7ac71b863e042414a68ae1

  • memory/2168-136-0x0000000000400000-0x000000000057E000-memory.dmp

    Filesize

    1.5MB

  • memory/2168-124-0x0000000002460000-0x000000000247D000-memory.dmp

    Filesize

    116KB

  • memory/2168-125-0x0000000002460000-0x000000000247D000-memory.dmp

    Filesize

    116KB

  • memory/2168-126-0x0000000002420000-0x0000000002422000-memory.dmp

    Filesize

    8KB

  • memory/2168-127-0x0000000002460000-0x000000000247D000-memory.dmp

    Filesize

    116KB

  • memory/2168-137-0x0000000002460000-0x000000000247D000-memory.dmp

    Filesize

    116KB

  • memory/2168-123-0x0000000000800000-0x0000000000825000-memory.dmp

    Filesize

    148KB

  • memory/2496-134-0x00007FF737210000-0x00007FF73730A000-memory.dmp

    Filesize

    1000KB

  • memory/2496-135-0x00007FF737210000-0x00007FF73730A000-memory.dmp

    Filesize

    1000KB

  • memory/2496-133-0x0000020964610000-0x0000020964617000-memory.dmp

    Filesize

    28KB

  • memory/2496-138-0x00007FF737210000-0x00007FF73730A000-memory.dmp

    Filesize

    1000KB

  • memory/2496-139-0x00007FF737210000-0x00007FF73730A000-memory.dmp

    Filesize

    1000KB

  • memory/2496-140-0x00007FF737210000-0x00007FF73730A000-memory.dmp

    Filesize

    1000KB

  • memory/2496-141-0x00007FF737210000-0x00007FF73730A000-memory.dmp

    Filesize

    1000KB

  • memory/2496-142-0x00007FF823FC0000-0x00007FF823FD2000-memory.dmp

    Filesize

    72KB