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Analysis

  • max time kernel
    146s
  • max time network
    149s
  • platform
    windows10-1703_x64
  • resource
    win10-20231129-en
  • resource tags

    arch:x64arch:x86image:win10-20231129-enlocale:en-usos:windows10-1703-x64system
  • submitted
    12/12/2023, 11:08

General

  • Target

    5817001a0da73688481f7f0d16d1fee2d71450b0ba9621b1582595ffc57499bf.exe

  • Size

    7.2MB

  • MD5

    5930a86340679345b108093cb35b4c53

  • SHA1

    aeef0c4deef9d12f15982e9580921052f18ec894

  • SHA256

    5817001a0da73688481f7f0d16d1fee2d71450b0ba9621b1582595ffc57499bf

  • SHA512

    c61566390cc9a2f112cb81a620b1dc53ba01b6f3f8bc86a74062cfa7b6209f84083b3f48132cad174f9f04a06362b6b34a6a5cb11a8b68297b1f1844b7134d61

  • SSDEEP

    196608:gxm5EEwkzysVKr9L3VLEQtNO8LakngzHEGWzj:EkzYr97tEeXqjEFzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 3 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\5817001a0da73688481f7f0d16d1fee2d71450b0ba9621b1582595ffc57499bf.exe
    "C:\Users\Admin\AppData\Local\Temp\5817001a0da73688481f7f0d16d1fee2d71450b0ba9621b1582595ffc57499bf.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:716
    • C:\Users\Admin\AppData\Local\Temp\is-F09C0.tmp\5817001a0da73688481f7f0d16d1fee2d71450b0ba9621b1582595ffc57499bf.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-F09C0.tmp\5817001a0da73688481f7f0d16d1fee2d71450b0ba9621b1582595ffc57499bf.tmp" /SL5="$501F6,7250593,121856,C:\Users\Admin\AppData\Local\Temp\5817001a0da73688481f7f0d16d1fee2d71450b0ba9621b1582595ffc57499bf.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4452
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2208
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:368
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4548
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3568
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:5096

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        1.5MB

        MD5

        7896e491222ab7a54997d2ede669e280

        SHA1

        9f3ee326bdcce8bc792ae6bd1b167ac9f3f03d50

        SHA256

        a23027c63fd8e0de702b8d9e03321ea2b30c0905b1885cb39dbbd07268627294

        SHA512

        966d59324fbae222634482df947dfe540e7829a51c1ebdf40a8ef651b91609315afaea254bbcf091451071b1e6264330bff41a1f1dae7d11f066af3fa0e8582b

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

        Filesize

        959KB

        MD5

        022531d8b7746eaf45e2fc60c22a9840

        SHA1

        129fe236671cffdd0f45b65dfafd2e6927d11457

        SHA256

        4d22fa71436a341e9fb264bf9818b209d8a58c13f4c35edb07a46cdf2fdf2c1b

        SHA512

        3be539a57faa32b4a4123d836634b2eb9814f156270d9a9bc4ec5be9d52244094a7605d878eaf1b62c8b4c2de403f312f12e811d09ed1ddadede9bf93c420b6e

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

        Filesize

        471KB

        MD5

        d5fce96966de31c7884be390bf565328

        SHA1

        80109272a3c8a0f78694a0056736668df6297dae

        SHA256

        8af131a1d1d8f8fe5ae190a01f1601708cebf46509ec4c3908e9f7504b2b6a36

        SHA512

        3c0ef0b35026261b08fa5612f76fd9e32c4a53c8074463d60eaf444d69856d98139c3c7b49f3d4683fdf29d91de1bf6d5295b3f6b16079756bc62f9af2ce019a

      • C:\Users\Admin\AppData\Local\Temp\is-F09C0.tmp\5817001a0da73688481f7f0d16d1fee2d71450b0ba9621b1582595ffc57499bf.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-CCLBC.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-CCLBC.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/368-150-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/368-151-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/368-153-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/368-163-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/368-154-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/716-158-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/716-0-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/4452-161-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4452-6-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4452-159-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4548-181-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4548-182-0x00000000008E0000-0x000000000097E000-memory.dmp

        Filesize

        632KB

      • memory/4548-165-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4548-166-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4548-169-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4548-172-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4548-175-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4548-178-0x00000000008E0000-0x000000000097E000-memory.dmp

        Filesize

        632KB

      • memory/4548-160-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4548-157-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4548-185-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4548-188-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4548-189-0x00000000008E0000-0x000000000097E000-memory.dmp

        Filesize

        632KB

      • memory/4548-192-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4548-195-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4548-198-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4548-201-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4548-204-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4548-207-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB