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Analysis

  • max time kernel
    152s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2022, 18:57

General

  • Target

    e6a0e25a6cc046b54a861de9d9692391827a6a1ae37924ea4b2389f27e131d7f.exe

  • Size

    501KB

  • MD5

    e40043ca830f0cb77887f8e1e1d5cbe2

  • SHA1

    7316e9ea61c83a28f0d5cc37690cc3f9fff72cc0

  • SHA256

    e6a0e25a6cc046b54a861de9d9692391827a6a1ae37924ea4b2389f27e131d7f

  • SHA512

    eac0bb945ee52a6e457a710df5ea6f11d839102e1ae6abdb2f1a2db724c4989c39ed0f20e82b7e409f3876169e9ca325736ea88ff0726d873f608509ed40943d

  • SSDEEP

    12288:d6TcTq0rfJDGv5rwiglwHZcyDyGXuwNR9nu/yqeD:+Qq+Gv5rw7kZpDXewFu6qe

Malware Config

Signatures

  • UAC bypass 3 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 12 IoCs
  • Modifies registry key 1 TTPs 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e6a0e25a6cc046b54a861de9d9692391827a6a1ae37924ea4b2389f27e131d7f.exe
    "C:\Users\Admin\AppData\Local\Temp\e6a0e25a6cc046b54a861de9d9692391827a6a1ae37924ea4b2389f27e131d7f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1224
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Nreg.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2900
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v RDSound /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Huawei3gConect.exe" /f
        3⤵
        • Adds Run key to start application
        • Modifies registry key
        PID:4872
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\NUac.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4396
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\System32\cmd.exe /k C:\Windows\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5076
        • C:\Windows\SysWOW64\reg.exe
          C:\Windows\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
          4⤵
          • UAC bypass
          • Modifies registry key
          PID:4300
  • C:\Program Files (x86)\Internet Explorer\ielowutil.exe
    "C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
    1⤵
      PID:1824
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5012
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5012 CREDAT:17410 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:4608

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\NUac.bat

      Filesize

      164B

      MD5

      c80c14c9b9ffd63a2ed8037940d75103

      SHA1

      3f24e10b213bd483067709c8c4f7b75c29464eff

      SHA256

      236f2acb03d56106f0e6b693108f25ed2eb9b7d0503a84e6948e797f8c15dd6b

      SHA512

      f51619a769fc86bc091bd1a534c6cac5d8c426ddd9784fd98bb23b7f0c699fcc473722dffa1196391c3e92f4647ce96de4b3326c25f49014552b0346a6f4e2c9

    • C:\Users\Admin\AppData\Roaming\Nreg.bat

      Filesize

      124B

      MD5

      5dcd3f0dbe707b6c4c54020c88f722cd

      SHA1

      9343cc6c911f5a80a010d501428ce9a347acfcf2

      SHA256

      4e61546611506a8f677c6e45e4c8124a5a2f0a7c4a0525bbcb5b590fd23ab345

      SHA512

      a44eb7fffba50a852590e0f3d7505f0120a2bdde67839eddcd50e84a44f4b6e0f7b867533694f153432534a7bb52aac0a4471a086d2d10881a839501bc4cbfaa

    • memory/1224-132-0x0000000000400000-0x000000000047E000-memory.dmp

      Filesize

      504KB

    • memory/1224-140-0x0000000000400000-0x000000000047E000-memory.dmp

      Filesize

      504KB