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Analysis

  • max time kernel
    146s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/12/2023, 12:20

General

  • Target

    fe6c1603897ce17c2c6e33c021d4400aa1aa3a3e78dcca18a47078877cb76f2f.exe

  • Size

    7.2MB

  • MD5

    b0fadf47f738ab380625a67a3f52d0b9

  • SHA1

    3788e2c0b7a955e63005efa854aca56bb4390245

  • SHA256

    fe6c1603897ce17c2c6e33c021d4400aa1aa3a3e78dcca18a47078877cb76f2f

  • SHA512

    3c9be05ac84611d0b28b62a2eb186c9fe157b80756718543904dd0717d8dcb58a8f7473200297f0a98b5f8fd10da703a818e38290800aca71e3ffd02a0fda96d

  • SSDEEP

    196608:Gxm5nCZjZ3QO7Kmk85hry72SfDYuahd3u/w2lzj:rC80q8y72Skua3+/Vlzj

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\fe6c1603897ce17c2c6e33c021d4400aa1aa3a3e78dcca18a47078877cb76f2f.exe
    "C:\Users\Admin\AppData\Local\Temp\fe6c1603897ce17c2c6e33c021d4400aa1aa3a3e78dcca18a47078877cb76f2f.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4528
    • C:\Users\Admin\AppData\Local\Temp\is-PAQDU.tmp\fe6c1603897ce17c2c6e33c021d4400aa1aa3a3e78dcca18a47078877cb76f2f.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-PAQDU.tmp\fe6c1603897ce17c2c6e33c021d4400aa1aa3a3e78dcca18a47078877cb76f2f.tmp" /SL5="$D01FC,7251001,121856,C:\Users\Admin\AppData\Local\Temp\fe6c1603897ce17c2c6e33c021d4400aa1aa3a3e78dcca18a47078877cb76f2f.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3608
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1656
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1736
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -s
          3⤵
          • Executes dropped EXE
          PID:1380
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4660
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:2916

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.4MB

        MD5

        52ca9191d8cf2ab465b61d9ef7caedcf

        SHA1

        7200fedfc52f3177d29340b3f50c9556b44a34a5

        SHA256

        b8febcd0846883342d88966dc4e1de79bf70b729c17e8b0ca980c73531118578

        SHA512

        944950b8a7a346f15bfbea1392fac982a81f1d5fcc4cbc27883d848cb8ca5a6398c964ac950cd72fc9ed35d3c79eefd114d6f35646ea7768d0204cb4a435e3bb

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

        Filesize

        171KB

        MD5

        07b7be2fbd608b084b3e5f009e8e2ee8

        SHA1

        8390f3c98635a863315cb8bae61122d4dd1a8aff

        SHA256

        1a5c7bf1b94148bbac37f8e624b154e3ad4ab308ad043c27db91d1352d812b05

        SHA512

        019d2c4e44ea484ac3b43b6ffc17d196cb10030f7a6c84bbd2f2874f61ba383cd91def9cc2693e61de607e33cfc7b6abbc677fc3a8d80fc494cd52af5f595d0f

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

        Filesize

        1.0MB

        MD5

        5df2831629d06aae0c645cc6200770d6

        SHA1

        be2c059eb385c84be55b042812a6b9090d17dc6a

        SHA256

        f5bbe8c8790240b013c0345aea3a1b7b0589a30aa91908b60dca435a3c687f51

        SHA512

        9efba5ee20283f1db4e378cdd3a3b8cd6bad1e6ca6776fc9a65cb00987a129617cdb2693fc7bd32ffb353a8949c0549ae5272fe5b31c890ee47d90c3835c14f4

      • C:\Users\Admin\AppData\Local\Temp\is-LVIL4.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-LVIL4.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-PAQDU.tmp\fe6c1603897ce17c2c6e33c021d4400aa1aa3a3e78dcca18a47078877cb76f2f.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/1380-179-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1380-189-0x0000000000870000-0x000000000090E000-memory.dmp

        Filesize

        632KB

      • memory/1380-207-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1380-204-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1380-201-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1380-198-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1380-195-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1380-158-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1380-192-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1380-188-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1380-161-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1380-185-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1380-165-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1380-166-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1380-169-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1380-172-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1380-175-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1380-178-0x0000000000870000-0x000000000090E000-memory.dmp

        Filesize

        632KB

      • memory/1380-182-0x0000000000870000-0x000000000090E000-memory.dmp

        Filesize

        632KB

      • memory/1736-154-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1736-155-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1736-152-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1736-151-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/3608-162-0x0000000002200000-0x0000000002201000-memory.dmp

        Filesize

        4KB

      • memory/3608-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/3608-10-0x0000000002200000-0x0000000002201000-memory.dmp

        Filesize

        4KB

      • memory/4528-0-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/4528-159-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/4528-2-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB