Analysis

  • max time kernel
    144s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/12/2023, 17:34

General

  • Target

    8e70cbc33d61a891a5bc70319c46143d5184a0ea3a71bda7c16200b7e8835cbb.exe

  • Size

    7.0MB

  • MD5

    3e508b7491134ff09b463a4382d934c8

  • SHA1

    ce7b26135478d2ef146726f05626d385358a4a63

  • SHA256

    8e70cbc33d61a891a5bc70319c46143d5184a0ea3a71bda7c16200b7e8835cbb

  • SHA512

    610d5bc25ba2bd39bda104bd1108592231f3ce2b92f79a139f4c4ee5aaec1e8265e50469a750849699e1047b3bdf1a003596e8c448576aedd5e7c7e601521760

  • SSDEEP

    196608:3xm5Z7xPjWtYOkdHWd1V3GaO4TwWHvzASW8P7Bzj:E7RjWtfj95dLASWyzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 2 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 63 IoCs
  • Runs net.exe
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8e70cbc33d61a891a5bc70319c46143d5184a0ea3a71bda7c16200b7e8835cbb.exe
    "C:\Users\Admin\AppData\Local\Temp\8e70cbc33d61a891a5bc70319c46143d5184a0ea3a71bda7c16200b7e8835cbb.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4608
    • C:\Users\Admin\AppData\Local\Temp\is-JKJ69.tmp\8e70cbc33d61a891a5bc70319c46143d5184a0ea3a71bda7c16200b7e8835cbb.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-JKJ69.tmp\8e70cbc33d61a891a5bc70319c46143d5184a0ea3a71bda7c16200b7e8835cbb.tmp" /SL5="$90120,7089240,121856,C:\Users\Admin\AppData\Local\Temp\8e70cbc33d61a891a5bc70319c46143d5184a0ea3a71bda7c16200b7e8835cbb.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4128
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4320
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2944
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:5108
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:3252
          • C:\Program Files (x86)\numGIF\numgif.exe
            "C:\Program Files (x86)\numGIF\numgif.exe" -s
            3⤵
            • Executes dropped EXE
            PID:4556

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\numGIF\numgif.exe

        Filesize

        391KB

        MD5

        052f174ee49a9a5e50d7ca06ccfb1164

        SHA1

        fbb8cd1d33d923ddb46d42ede4f475ac59d172bc

        SHA256

        a68c67dc9b2da2d1251c6256cf049e95565bdc6f5b496e0782d8b60cfeddb412

        SHA512

        41ea026b8a6953740a6e6cb9c05a1bd150f458880acb092868a4b99b5961cb19aabc260691aefc570ddf64a1ef72f46f2271d93799bd8098466574fb7e525377

      • C:\Program Files (x86)\numGIF\numgif.exe

        Filesize

        524KB

        MD5

        8d5d5eb836b05c5263778ea07a8ace03

        SHA1

        e733d8a8bd7b1c2b2b4628ad0a08e8800506e9c0

        SHA256

        1e08dece6b6f2f35905b6300bf969b848eee2d2ed958dd1efed032077929c16e

        SHA512

        1815f3e98b582318f3ac11b57a116570d56c4f54b6674eee8481e3ae05234e62589f43590ebc7898f517403eaa880695c86cea1903387dc9b3af7c99fbd35a87

      • C:\Program Files (x86)\numGIF\numgif.exe

        Filesize

        617KB

        MD5

        51f20dd88e6dea5e7214eeb1b4cf64f6

        SHA1

        ed4d8c1ec3d04088b86280b8f300bc572c2223d7

        SHA256

        87519c27e7bbed098a658ec4150d67ce5c88e95084d4186a6376fc42e24ed588

        SHA512

        e38322ba72e9bfe7c29e5cdb14a950e69a807c9680fc332075d1db21464e5dcb35d30f8ab4d28e3a1568bde69a3a94f13dc178ed7cc3d32bbf8730a08a1b97ff

      • C:\Users\Admin\AppData\Local\Temp\is-CU3KL.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-CU3KL.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-JKJ69.tmp\8e70cbc33d61a891a5bc70319c46143d5184a0ea3a71bda7c16200b7e8835cbb.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/2944-153-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2944-155-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2944-151-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2944-152-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4128-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4128-163-0x0000000002350000-0x0000000002351000-memory.dmp

        Filesize

        4KB

      • memory/4128-7-0x0000000002350000-0x0000000002351000-memory.dmp

        Filesize

        4KB

      • memory/4556-176-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4556-180-0x0000000000860000-0x00000000008FE000-memory.dmp

        Filesize

        632KB

      • memory/4556-208-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4556-204-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4556-162-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4556-159-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4556-166-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4556-167-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4556-170-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4556-179-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4556-158-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4556-201-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4556-173-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4556-185-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4556-188-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4556-189-0x0000000000860000-0x00000000008FE000-memory.dmp

        Filesize

        632KB

      • memory/4556-192-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4556-195-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4556-198-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4608-2-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/4608-0-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/4608-160-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB