Analysis

  • max time kernel
    150s
  • max time network
    52s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-04-2024 00:14

General

  • Target

    e13fc027e6b4e67b76bb77a70da55425908bbb589aee14ee63763f084a731750.exe

  • Size

    357KB

  • MD5

    9dcffc4e8bea3bfda2154c1b6d6e13ea

  • SHA1

    bd4f9e5aca1f4acca9bf8a0168a87f2c4c39035b

  • SHA256

    e13fc027e6b4e67b76bb77a70da55425908bbb589aee14ee63763f084a731750

  • SHA512

    c3105b90a421933a6e0249d24ab75ab14e6f8c31b94169cdfd47baa088b16e90b75e87e7ebb0b784f44cb2133e918bc89b65455cc55ff242a0f07a270249ce2b

  • SSDEEP

    6144:SVfjmNqck+UDJeMCZJPWZI2pxLRjA4ZD05WGNl6yZ:s7+q0oUJPWZ5pxC41G2e

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Modifies system executable filetype association 2 TTPs 12 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Modifies registry class 64 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3512
      • C:\Users\Admin\AppData\Local\Temp\e13fc027e6b4e67b76bb77a70da55425908bbb589aee14ee63763f084a731750.exe
        "C:\Users\Admin\AppData\Local\Temp\e13fc027e6b4e67b76bb77a70da55425908bbb589aee14ee63763f084a731750.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:4952
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a3CF9.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2052
          • C:\Users\Admin\AppData\Local\Temp\e13fc027e6b4e67b76bb77a70da55425908bbb589aee14ee63763f084a731750.exe
            "C:\Users\Admin\AppData\Local\Temp\e13fc027e6b4e67b76bb77a70da55425908bbb589aee14ee63763f084a731750.exe"
            4⤵
            • Executes dropped EXE
            • Modifies system executable filetype association
            • Modifies registry class
            • Suspicious use of SetWindowsHookEx
            PID:1664
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4616
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1576
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2340

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe

        Filesize

        244KB

        MD5

        e11394ce5fd6bf39ce4e5a13e8d06ce1

        SHA1

        b3d71072efad31bc0530e2320497d9d9de776dc8

        SHA256

        0db3e16c9fd5ab054d45f96a6ea3e17b6152fd09a736b91276b4ed97aa7d2198

        SHA512

        b92d76885844e93679b3c0dc954515b7a4f0514475aeffa7a960ebb73fc68a2f63fa647f1e9381d736b814d752c101d5afee680340b1b6d149fce9e8afc1b734

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        570KB

        MD5

        06cbe611a145b1ab52ba2f709aded1fb

        SHA1

        2359b55f53b107e8f94176cd64963e5dde12cf45

        SHA256

        cf0ee09a00203d180ed1827de32e290b935181c1fcfc2ce8270fefc5d6907a13

        SHA512

        95d70f241056b2b1f59d29dcbdc62617354cd9904b75c18a6b2e57eacafdecffb1a96e7b80ea9884150b391d92682ec0396c16ebb02af0174e1229156a930dfd

      • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe

        Filesize

        636KB

        MD5

        2500f702e2b9632127c14e4eaae5d424

        SHA1

        8726fef12958265214eeb58001c995629834b13a

        SHA256

        82e5b0001f025ca3b8409c98e4fb06c119c68de1e4ef60a156360cb4ef61d19c

        SHA512

        f420c62fa1f6897f51dd7a0f0e910fb54ad14d51973a2d4840eeea0448c860bf83493fb1c07be65f731efc39e19f8a99886c8cfd058cee482fe52d255a33a55c

      • C:\Users\Admin\AppData\Local\Temp\$$a3CF9.bat

        Filesize

        722B

        MD5

        fbdbdde8e3ac3af496dd048db503477a

        SHA1

        413eb54719c656e5667001d20443dd4bb4e1c979

        SHA256

        4b798caed4e0c4f4cb9560a22aca8bc6cfd116538f39af24de697c0b821b87ba

        SHA512

        3f01269f888daaca103edf671ea4263e3b739fa0b811337b991ec7459bd3b671973c730e90f83aa917653602ba1a481930e33c6517a6fc86fd5fbb247ccf2ba2

      • C:\Users\Admin\AppData\Local\Temp\e13fc027e6b4e67b76bb77a70da55425908bbb589aee14ee63763f084a731750.exe.exe

        Filesize

        331KB

        MD5

        298d2699634589bd40fa7a44806263ea

        SHA1

        530dbb1293d5d19d45b87c56be687d536f6a63ce

        SHA256

        bdeeea007b0c4798baffe265e0a9e2ec8e5e7a3a302ba27142cb7e8b1d7fb7c2

        SHA512

        0ce0b0b9f35268110f7623c68eacc64488795a70e92462a1b10e2d97d7840754a82fd8f44d5ab995330b061c05b21e742c8bc64f7843c37d63cd88ba397a6c28

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        0dea5c8d1652084c78d53e181c8caa76

        SHA1

        b8ad1aa5589174953c4409aaa41cbbb807a3fe0c

        SHA256

        62c076dbb90c93897710ee6a9548f97d3fb9e1ab2e5b0df2964a7fb32fae19a0

        SHA512

        96267e3286cfb25e71f356f8ddabc364d45e781d8ab5f46ebf5d1e3a0e8397cd54fb4b09d10195305677151fa81cdcaecb635ba416e7467e89698bd2d7ba930e

      • F:\$RECYCLE.BIN\S-1-5-21-3726321484-1950364574-433157660-1000\_desktop.ini

        Filesize

        9B

        MD5

        e7957b9f3d9556c996418169821a7993

        SHA1

        b7028de0f91d2e50a8d5f6d23613331a2784a142

        SHA256

        71a21a13d7822776d52d9a6146651dc9155db9f0bfbd978acf43d12dea2a8539

        SHA512

        72bc8552047095449fa4c3c21300183acfc7b33e6ab69c11435542e2862cb9e896bbfdedaeb97ec6edac8ed68220507a302d1ed2217624c97f6e9a83c0d3a285

      • memory/4616-27-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4616-34-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4616-37-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4616-20-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4616-1237-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4616-13-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4616-4801-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4616-5264-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4952-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4952-12-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB