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Analysis

  • max time kernel
    152s
  • max time network
    54s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2022, 09:28

General

  • Target

    b8f1a98d3dbb9d3cb07d2827323cd12661f6dea532de02044817d4362787f2bb.exe

  • Size

    244KB

  • MD5

    1bf3c94b3d1f883dcbd6925dace98ba4

  • SHA1

    bc097008b61f30e478bdfdfd1bf04e49bab6267b

  • SHA256

    b8f1a98d3dbb9d3cb07d2827323cd12661f6dea532de02044817d4362787f2bb

  • SHA512

    0fca8e032205e433334726771b1e1c7e5480aa308d178f4b76ceb9a4003cbc461e0f4f1a3f2d10ca5d1f575cf440e14e40491e3eb4b93b6d741552ec1beda834

  • SSDEEP

    3072:z58gDf7VEQOJMWlIDlHMagbkRECMGEVIrsKgbbQ/KU9EC1AgKv124:z5HPNMagbkGC9EVkkI/9Gf

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b8f1a98d3dbb9d3cb07d2827323cd12661f6dea532de02044817d4362787f2bb.exe
    "C:\Users\Admin\AppData\Local\Temp\b8f1a98d3dbb9d3cb07d2827323cd12661f6dea532de02044817d4362787f2bb.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:752
    • C:\Users\Admin\moegi.exe
      "C:\Users\Admin\moegi.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Maps connected drives based on registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:824

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\moegi.exe

    Filesize

    244KB

    MD5

    1bf3c94b3d1f883dcbd6925dace98ba4

    SHA1

    bc097008b61f30e478bdfdfd1bf04e49bab6267b

    SHA256

    b8f1a98d3dbb9d3cb07d2827323cd12661f6dea532de02044817d4362787f2bb

    SHA512

    0fca8e032205e433334726771b1e1c7e5480aa308d178f4b76ceb9a4003cbc461e0f4f1a3f2d10ca5d1f575cf440e14e40491e3eb4b93b6d741552ec1beda834

  • C:\Users\Admin\moegi.exe

    Filesize

    244KB

    MD5

    1bf3c94b3d1f883dcbd6925dace98ba4

    SHA1

    bc097008b61f30e478bdfdfd1bf04e49bab6267b

    SHA256

    b8f1a98d3dbb9d3cb07d2827323cd12661f6dea532de02044817d4362787f2bb

    SHA512

    0fca8e032205e433334726771b1e1c7e5480aa308d178f4b76ceb9a4003cbc461e0f4f1a3f2d10ca5d1f575cf440e14e40491e3eb4b93b6d741552ec1beda834

  • \Users\Admin\moegi.exe

    Filesize

    244KB

    MD5

    1bf3c94b3d1f883dcbd6925dace98ba4

    SHA1

    bc097008b61f30e478bdfdfd1bf04e49bab6267b

    SHA256

    b8f1a98d3dbb9d3cb07d2827323cd12661f6dea532de02044817d4362787f2bb

    SHA512

    0fca8e032205e433334726771b1e1c7e5480aa308d178f4b76ceb9a4003cbc461e0f4f1a3f2d10ca5d1f575cf440e14e40491e3eb4b93b6d741552ec1beda834

  • \Users\Admin\moegi.exe

    Filesize

    244KB

    MD5

    1bf3c94b3d1f883dcbd6925dace98ba4

    SHA1

    bc097008b61f30e478bdfdfd1bf04e49bab6267b

    SHA256

    b8f1a98d3dbb9d3cb07d2827323cd12661f6dea532de02044817d4362787f2bb

    SHA512

    0fca8e032205e433334726771b1e1c7e5480aa308d178f4b76ceb9a4003cbc461e0f4f1a3f2d10ca5d1f575cf440e14e40491e3eb4b93b6d741552ec1beda834

  • memory/752-56-0x0000000075D01000-0x0000000075D03000-memory.dmp

    Filesize

    8KB

  • memory/752-65-0x00000000749E1000-0x00000000749E3000-memory.dmp

    Filesize

    8KB