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Analysis

  • max time kernel
    144s
  • max time network
    132s
  • 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, 11:56

General

  • Target

    ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.exe

  • Size

    7.2MB

  • MD5

    2c5093e60d2414bda69dc9c7b4a1c857

  • SHA1

    f04ba0a611cb3f993e756663dfe6f921c860f0f4

  • SHA256

    ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427

  • SHA512

    8df0c7b4037a918441f46ce50582911a134f2486c2fd2bc843e1c1eb54f55d00b3dd1d47f77ca9bd8543749149cdc3c6dddb3ccd4a0c727dba38f28e8c7e0cf5

  • SSDEEP

    196608:2xm5xCJOyhaLRyatbRgZIWFhoPd9qRvnTyGofmyq1zj:FcOycyKbf6i+E+P1zj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 1 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\ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.exe
    "C:\Users\Admin\AppData\Local\Temp\ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2060
    • C:\Users\Admin\AppData\Local\Temp\is-OVCG8.tmp\ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-OVCG8.tmp\ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp" /SL5="$A0060,7250749,121856,C:\Users\Admin\AppData\Local\Temp\ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2016
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1040
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3024
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4620
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:2012
          • C:\Program Files (x86)\numGIF\numgif.exe
            "C:\Program Files (x86)\numGIF\numgif.exe" -s
            3⤵
            • Executes dropped EXE
            PID:3936

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        880KB

        MD5

        2f7486ca62c2543f0a2b163a4c4424de

        SHA1

        e6652bf4a92888d0a9c622852c7501535f8c2770

        SHA256

        3546c56f937d370ea67cc0dca361d04d6b2b277a385be3b2c4e64b23214cb234

        SHA512

        f4f4af8d437709290afc7f31199809b8af62e295c6715329cdc99047230a60cf2da8ffa595418e43d41251eaa6a064250cfdabd077c3fa04b9e7fff5dbe5e634

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

        Filesize

        2.1MB

        MD5

        e30c1cf8e70b07a2b5f6b6c91c2f8d12

        SHA1

        c0b8f9f23fdf95658e505880a3dda67f450c7758

        SHA256

        7006b0097203ef9a4e4d8510acf880297265d79c431693821879c41e50c55451

        SHA512

        76f346a9f25aeea95dff27f4182fb37e0142eed8a9f44d185884669944ac66653d4fa805802ab39085f991a70d04ac3e5cfd0937cdeffb8bb703d74d2b418672

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

        Filesize

        1009KB

        MD5

        ce1e2be057d4fe3582e7b6540ef3ee65

        SHA1

        4322250a0ea4d43509e35096ca15e9f70ad2a7bf

        SHA256

        9c85443cd9cda2332c76e31c5388e6efcd762488759d216a5ae6e16c603175f9

        SHA512

        c148fab8be884e68f4033181d6fd8238f464bac6d93e78ea69a1d719fcbc4d0ca08879deb44edfc6be035202e257603be5d0620040268513f7637533ba185314

      • C:\Users\Admin\AppData\Local\Temp\is-0J928.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-0J928.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-OVCG8.tmp\ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/2016-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/2016-10-0x0000000002340000-0x0000000002341000-memory.dmp

        Filesize

        4KB

      • memory/2016-163-0x0000000002340000-0x0000000002341000-memory.dmp

        Filesize

        4KB

      • memory/2060-0-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/2060-2-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/2060-160-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/3024-152-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/3024-154-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/3024-155-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/3024-150-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/3936-170-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/3936-181-0x0000000000870000-0x000000000090E000-memory.dmp

        Filesize

        632KB

      • memory/3936-159-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/3936-166-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/3936-167-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/3936-157-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/3936-173-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/3936-176-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/3936-179-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/3936-162-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/3936-186-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/3936-189-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/3936-190-0x0000000000870000-0x000000000090E000-memory.dmp

        Filesize

        632KB

      • memory/3936-193-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/3936-196-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/3936-199-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/3936-203-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/3936-206-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/3936-209-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB