Resubmissions

28/02/2024, 20:23

240228-y6e3eada637

28/02/2024, 20:19

240228-y34atsda227

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/02/2024, 20:19

General

  • Target
    kcc_5.6.5.exe
  • Size 42.9MB
  • Sample240228-y34atsda22
  • SHA256 a1ed0e58c2c30b3fe1d05f5b27b51e49bf539ed27dbe371f2996dbae3332b9dd
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 50 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\kcc_5.6.5.exe
    "C:\Users\Admin\AppData\Local\Temp\kcc_5.6.5.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1752
    • C:\Users\Admin\AppData\Local\Temp\kcc_5.6.5.exe
      "C:\Users\Admin\AppData\Local\Temp\kcc_5.6.5.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:868
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "ver"
        3⤵
          PID:5052
        • C:\Program Files\7-Zip\7z.exe
          7z
          3⤵
            PID:2536

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            MSVCP140.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\MSVCP140.dll
            • Size 626KB
            • SHA256 be2ef4f6d540d0ac5fddd556dcb6bfaf6cb6288679e4d64882d625ff35f173aa
            • MD5 SHA1 SHA512 SSDEEP

            MSVCP140_1.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\MSVCP140_1.dll
            • Size 30KB
            • SHA256 446c48c1224c289bd3080087fe15d6759416d64f4136addf30086abd5415d83f
            • MD5 SHA1 SHA512 SSDEEP

            QtCore.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\PyQt5\QtCore.pyd
            • Size 2.4MB
            • SHA256 5a2aed6f96abec6905e6a36d33bc00d2c23e13f6333ea0545a32ab57b33a7c47
            • MD5 SHA1 SHA512 SSDEEP

            QtGui.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\PyQt5\QtGui.pyd
            • Size 2.4MB
            • SHA256 8c425d163b0c650cb8dc4662625de4998bed2ad9a3f2e04a8664e2e72a69f845
            • MD5 SHA1 SHA512 SSDEEP

            QtWidgets.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\PyQt5\QtWidgets.pyd
            • Size 4.9MB
            • SHA256 e732f15729fa69c3067dc33abb60e241570398aa9ab3359d9ff2a9714d1a1e4c
            • MD5 SHA1 SHA512 SSDEEP

            sip.cp310-win_amd64.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\PyQt5\sip.cp310-win_amd64.pyd
            • Size 119KB
            • SHA256 b7492bb574f1ea88a1eeef3ea4ea0dac21c427ff54294600cf0ea42bb5ca53fd
            • MD5 SHA1 SHA512 SSDEEP

            Qt5Core.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\Qt5Core.dll
            • Size 4.1MB
            • SHA256 8a29dd6b4514c466230aaf5d72e2336de55fe7cac0892020fe61cc7e21fcf769
            • MD5 SHA1 SHA512 SSDEEP

            Qt5Core.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\Qt5Core.dll
            • Size 5.7MB
            • SHA256 8d2ff4ce9096ddccc4f4cd62c2e41fc854cfd1b0d6e8d296645a7f5fd4ae565a
            • MD5 SHA1 SHA512 SSDEEP

            Qt5Gui.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\Qt5Gui.dll
            • Size 5.2MB
            • SHA256 fd7049d8ef4fe86974e055a30f88295d4f74cef05fc5829edee01eba7a710f78
            • MD5 SHA1 SHA512 SSDEEP

            Qt5Gui.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\Qt5Gui.dll
            • Size 4.4MB
            • SHA256 53914c51e4c2b97936843f45c9428b738cea12fc569968b11229d317e7fa7dca
            • MD5 SHA1 SHA512 SSDEEP

            Qt5Widgets.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\Qt5Widgets.dll
            • Size 5.2MB
            • SHA256 3788c669d4b645e5a576de9fc77fca776bf516d43c89143dc2ca28291ba14358
            • MD5 SHA1 SHA512 SSDEEP

            VCRUNTIME140.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\VCRUNTIME140.dll
            • Size 94KB
            • SHA256 ded5adaa94341e6c62aea03845762591666381dca30eb7c17261dd154121b83e
            • MD5 SHA1 SHA512 SSDEEP

            VCRUNTIME140_1.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\VCRUNTIME140_1.dll
            • Size 36KB
            • SHA256 1554b5802968fdb2705a67cbb61585e9560b9e429d043a5aa742ef3c9bbfb6bf
            • MD5 SHA1 SHA512 SSDEEP

            _bz2.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\_bz2.pyd
            • Size 78KB
            • SHA256 4b1d29f19adaf856727fa4a1f50eee0a86c893038dfba2e52f26c11ab5b3672f
            • MD5 SHA1 SHA512 SSDEEP

            _ctypes.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\_ctypes.pyd
            • Size 116KB
            • SHA256 e3b69285f27a8ad97555bebea29628a93333de203ee2fae95b73b6b6d6c162b1
            • MD5 SHA1 SHA512 SSDEEP

            _hashlib.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\_hashlib.pyd
            • Size 57KB
            • SHA256 df47255c100d9cc033a14c7d60051abe89c24da9c60362fe33cdf24c19651f7c
            • MD5 SHA1 SHA512 SSDEEP

            _lzma.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\_lzma.pyd
            • Size 149KB
            • SHA256 2e3fd65c4e02c99a61344ce59e09ec7fde74c671db5f82a891732e1140910f20
            • MD5 SHA1 SHA512 SSDEEP

            _queue.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\_queue.pyd
            • Size 26KB
            • SHA256 9ad5bcf2a88e1ffff3b8ee29235dc92ce48b7fca4655e87cb6e4d71bd1150afb
            • MD5 SHA1 SHA512 SSDEEP

            _socket.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\_socket.pyd
            • Size 72KB
            • SHA256 d0497b79345b2c255f6274baea6ac44b74f345e111ab25bf6c91af9b2a3f3b95
            • MD5 SHA1 SHA512 SSDEEP

            _ssl.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\_ssl.pyd
            • Size 152KB
            • SHA256 ba6025ab22d8e6c5ad53c66dc919f219a542e87540502905609b33dc0a8dddd8
            • MD5 SHA1 SHA512 SSDEEP

            _uuid.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\_uuid.pyd
            • Size 20KB
            • SHA256 fe822f84185005b2f84189b51226a3591693ec7c936c2fc009139c36493f4cd8
            • MD5 SHA1 SHA512 SSDEEP

            base_library.zip

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\base_library.zip
            • Size 1.0MB
            • SHA256 e64d3f12f94137602f282d839550d4d3ef9e4f69981a34fb3d85dd6e23f3f050
            • MD5 SHA1 SHA512 SSDEEP

            md.cp310-win_amd64.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\charset_normalizer\md.cp310-win_amd64.pyd
            • Size 10KB
            • SHA256 9b3d70922dcfaeb02812afa9030a40433b9d2b58bcf088781f9ab68a74d20664
            • MD5 SHA1 SHA512 SSDEEP

            md__mypyc.cp310-win_amd64.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\charset_normalizer\md__mypyc.cp310-win_amd64.pyd
            • Size 117KB
            • SHA256 ad9bcc0de6815516dfde91bb2e477f8fb5f099d7f5511d0f54b50fa77b721051
            • MD5 SHA1 SHA512 SSDEEP

            libcrypto-1_1.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\libcrypto-1_1.dll
            • Size 3.3MB
            • SHA256 664c3e52f914e351bb8a66ce2465ee0d40acab1d2a6b3167ae6acf6f1d1724d2
            • MD5 SHA1 SHA512 SSDEEP

            libffi-7.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\libffi-7.dll
            • Size 32KB
            • SHA256 f60dd9f2fcbd495674dfc1555effb710eb081fc7d4cae5fa58c438ab50405081
            • MD5 SHA1 SHA512 SSDEEP

            libssl-1_1.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\libssl-1_1.dll
            • Size 678KB
            • SHA256 b7c0e42c1a60a2a062b899c8d4ebd0c50ef956177ba21785ce07c517c143aeaf
            • MD5 SHA1 SHA512 SSDEEP

            _psutil_windows.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\psutil\_psutil_windows.pyd
            • Size 65KB
            • SHA256 e10b73d6e13a5ae2624630f3d8535c5091ef403db6a00a2798f30874938ee996
            • MD5 SHA1 SHA512 SSDEEP

            pyexpat.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\pyexpat.pyd
            • Size 187KB
            • SHA256 66b14ebdd917f046315b666f841ea54a32760ecd624863071da8d3f1fd24459b
            • MD5 SHA1 SHA512 SSDEEP

            python3.DLL

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\python3.DLL
            • Size 60KB
            • SHA256 ec655cc34819d6a9677c0541fd7e7b2b8a92804e8bf73aee692a9c44d1a24b5d
            • MD5 SHA1 SHA512 SSDEEP

            python310.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\python310.dll
            • Size 4.3MB
            • SHA256 34f0e44a0d089587e1ea48c1cc4c3164a1819c6db27a7c1b746af46d6388c26e
            • MD5 SHA1 SHA512 SSDEEP

            select.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\select.pyd
            • Size 24KB
            • SHA256 b9ef1709ed4cd0fd72e4c4ba9b7702cb79d1619c11554ea06277f3dac21bd010
            • MD5 SHA1 SHA512 SSDEEP

            data.bin

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\text_unidecode\data.bin
            • Size 303KB
            • SHA256 7924666da4ce0ad24d4b8142b330e6d8e89465cd883934724cd9e4b7d8130f09
            • MD5 SHA1 SHA512 SSDEEP

            ucrtbase.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\ucrtbase.dll
            • Size 970KB
            • SHA256 e6287f7ba5892c99da70e9785d320a665809ca8e657a64b9fef1e8afcfb6a2f9
            • MD5 SHA1 SHA512 SSDEEP

            unicodedata.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI17522\unicodedata.pyd
            • Size 1.1MB
            • SHA256 89c93a672b649cd1e296499333df5b3d9ba2fd28f9280233b56441c69c126631
            • MD5 SHA1 SHA512 SSDEEP

            memory/868-195-0x00007FFE77E50000-0x00007FFE780B3000-memory.dmp

            memory/868-228-0x00007FFE763F0000-0x00007FFE76931000-memory.dmp

            memory/868-227-0x00007FFE76940000-0x00007FFE76E30000-memory.dmp

            memory/868-223-0x00007FFE774F0000-0x00007FFE77755000-memory.dmp

            memory/868-229-0x000002580CC30000-0x000002580CC40000-memory.dmp