Resubmissions

08-09-2022 17:44

220908-wblklafbe7 3

07-09-2022 00:27

220907-arqnlaafh7 1

05-09-2022 16:52

220905-vdthjsehd3 3

05-09-2022 16:42

220905-t7p7jsegc2 7

05-09-2022 16:37

220905-t49f1sefh3 3

31-08-2022 06:37

220831-hdwlpabhc7 1

31-08-2022 06:32

220831-haw32sabhk 10

31-08-2022 05:40

220831-gcy5rahffl 10

Analysis

  • max time kernel
    227s
  • max time network
    294s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-09-2022 17:44

General

  • Target

    http://20.7.14.99/server/

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 41 IoCs
  • Modifies registry class 56 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" http://20.7.14.99/server/
    1⤵
    • Modifies Internet Explorer Phishing Filter
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1348
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1348 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:3068
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:2116
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 440 -p 1156 -ip 1156
      1⤵
        PID:4476
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 1156 -s 2264
        1⤵
        • Program crash
        PID:4512

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Defense Evasion

      Modify Registry

      2
      T1112

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\z2evvp3\imagestore.dat
        Filesize

        30KB

        MD5

        6103c7db11c15f8c73b0b7fe3b959978

        SHA1

        f952202e96c0411c88e872e4957838015e90d8aa

        SHA256

        b47c100391233d8a06e1ebc241167f216af8d49f9d631aa360dcca0141cc2737

        SHA512

        5612244784f8cddbd8c0ed30e834a08534808dd0004a08eb7111938eee90a2fd167f09f11013960cfbfa49b3b76a48e3e28d864255d27ab3bf611de3472d90f9

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\MWIURFX4\favicon[1].ico
        Filesize

        30KB

        MD5

        6eb4a43cb64c97f76562af703893c8fd

        SHA1

        c50c4273b9d2433c6069454f971ed6653e07c126

        SHA256

        1d7c95c5eea00a8083a95810f902682f9e26e7fbb7876b022a403642d776d0c9

        SHA512

        3bae9380d8f0d45617ecf9d0d43818b7f8f83b61ecbd5e6dbd189c19d5853f92aa47965ad257cf712e49c03652f129dca47e8a8dbd86d62e614acc99ea931181

      • C:\Users\Admin\Desktop\venom.txt.jrptfv7.partial
        Filesize

        1.2MB

        MD5

        2bbcd1faee00d305e114aa3f2572579b

        SHA1

        b5d5839d358e4d372e8001a4f6365c4cc6168f71

        SHA256

        07b79e5de98fc1b9ae0ddc3c8c50458ba4d7cb303c24fd5f9a061b6c9527127f

        SHA512

        b34cd7ee59d47cf8dd3d89768ed8be1be0fc52e98462545bdd6d2607d5836b78a40ece5639bd89f707d33f20ad7cbb66ea4a2bc7a29d148aed429d5f688e2934