Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-02-2024 19:49

General

  • Target

    bd9fdd834dc3df529b9ea1ebcdcc8715f2007b65e2636a7acd59ab343cbeeffc.exe

  • Size

    280KB

  • MD5

    64c953c92703fc28866ecd9de1a00fe5

  • SHA1

    25fcff0b3961e8af1dcdf7ad9dc2cd4429570027

  • SHA256

    bd9fdd834dc3df529b9ea1ebcdcc8715f2007b65e2636a7acd59ab343cbeeffc

  • SHA512

    c114295d238d9848d41e6e338758bb36382569bd84a66000d9e4978b7e650ab8500d5997d27bc200de0cd401e7397fa8ea0c94e93d67a034142433aaeb4d9a7d

  • SSDEEP

    6144:YVfjmN3hfgI3FStrsHkaMaVXu8Mz4xYdr1e2MHVuYLt8yf/Y7OOby:C7+9gI1CsEaMt9A2MHVuYR8yf/YBby

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 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
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3352
      • C:\Users\Admin\AppData\Local\Temp\bd9fdd834dc3df529b9ea1ebcdcc8715f2007b65e2636a7acd59ab343cbeeffc.exe
        "C:\Users\Admin\AppData\Local\Temp\bd9fdd834dc3df529b9ea1ebcdcc8715f2007b65e2636a7acd59ab343cbeeffc.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1484
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a610C.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1456
          • C:\Users\Admin\AppData\Local\Temp\bd9fdd834dc3df529b9ea1ebcdcc8715f2007b65e2636a7acd59ab343cbeeffc.exe
            "C:\Users\Admin\AppData\Local\Temp\bd9fdd834dc3df529b9ea1ebcdcc8715f2007b65e2636a7acd59ab343cbeeffc.exe"
            4⤵
            • Executes dropped EXE
            PID:5060
        • 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:1900
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:432
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:4592

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

        Filesize

        251KB

        MD5

        58583137fb33e7f5ec8519fb3db70ec1

        SHA1

        1c182f74080ceaa988f20d4bc85c73f3905b0ac6

        SHA256

        1c76ee7ab780061c7f4541e04964fccb0fcbd3cbb84d30040c4e3a454b5bef29

        SHA512

        a9e73808c47bf7118fbcb7389554d74c12ce8bf94c49973105ad8cb967c8096b4fc0cf6acd79cc9c9bc37a2137971cf3196e18a5eb6f5fd8e7255b537653a6e2

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        570KB

        MD5

        a470383c1244dafb0b187795fa6923da

        SHA1

        56d93792e1912abf9379165b68b6fc61693d9040

        SHA256

        12b51cdb3b909bb11c4800c730551dd06f5195afed79cf9b852b1f1e8bc2bac7

        SHA512

        a3a47f60d404c392d200d1d61ceaf4ed94be4d7d21b36d41e9d409d991a3c5ea9be811991351e16d1c09504202dcbb6acde1675e178d2a00ad8475b45bde3c90

      • C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe

        Filesize

        481KB

        MD5

        1db5b390daa2d070657fbdb4f5d2cc55

        SHA1

        77e633e49df484b827080753514cc376749b0ceb

        SHA256

        d5fbaf5c0d8e313d4dad23b28cac4256c5dbed6ab3b0d797e2971f30c5e095ad

        SHA512

        68aa0152f5aae79a146c1813915fd16ec5454b285bd1781370923f97d6c147d53684192f7f4161e5c1a340959ec432ecaac127b0abe7d08f70c387e08ee4f617

      • C:\Users\Admin\AppData\Local\Temp\$$a610C.bat

        Filesize

        722B

        MD5

        d979fd4fac675453c7adde12019535c3

        SHA1

        7563a09479d60933a56d0423b3decf1f77844ae1

        SHA256

        ee6b6d58f1a59bbf54636f3ae9da708bfee7ae6fea88a019114e5de9e362597a

        SHA512

        b9ea013fcf20b353577894d0014b011f6c682fb904a83563f07f2673684ed509f18046ff63859cbbfe0f414b60aad18067f79a0ba6b606166a2ecdf5cd39b18f

      • C:\Users\Admin\AppData\Local\Temp\bd9fdd834dc3df529b9ea1ebcdcc8715f2007b65e2636a7acd59ab343cbeeffc.exe.exe

        Filesize

        254KB

        MD5

        ce786255b793d4ebac5a747eeb5a533c

        SHA1

        3b1fc92b85c299a294caae8e03233e1ff8b02182

        SHA256

        0b45fa2a1937577f8f7ec7a3ce5b551b24f8667a2acc931ef8a9ab2431e4fde2

        SHA512

        2e1fc219178d3d10688e52f0b7ffb85c8692812c6a71ce7a4dc40d85c2b0cb6ac43486b55be773e422e904e0061e23050aadf22545773e86fd14ff14cb3fe9e2

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        b26fe27da346b21618f04de09f49dee0

        SHA1

        184aad805734f70443da1069a04d904612374c31

        SHA256

        97a053f33da11c280120eadc555c6c55f73ea83392b6bf0b1c853cfd104cd26a

        SHA512

        d4130806c36d8043016d59ad0ae3d29dacd2830772ca067e776dfaf046a00f767c998e60119aab6360a677d9a1aa50498a57a0f0a23b135abbafbe1c6165bf3e

      • F:\$RECYCLE.BIN\S-1-5-21-399997616-3400990511-967324271-1000\_desktop.ini

        Filesize

        9B

        MD5

        3ad36c5dd75f198f45a8fb7f0de29a8d

        SHA1

        e07726e5226c9504d995d8bc85b4e3820ed76db6

        SHA256

        f45cd1a6b8de9f9bd4d34cde93bd7221a0e7be28281690e646faac9a77cd77b7

        SHA512

        8a285b5a07fe1749dcb89935e8200119c9bc3458685c2799fe743a5779655ce5c51ee303626d5afa7ec5fe504c9e93628c6782265cd6d1c0f2c631116c2e0f42

      • memory/1484-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1484-8-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1900-37-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1900-32-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1900-41-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1900-10-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1900-1008-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1900-1175-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1900-1993-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1900-26-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1900-4740-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1900-19-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB