Analysis

  • max time kernel
    148s
  • max time network
    143s
  • 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, 16:35

General

  • Target

    a885ab978fce4f740ab67e402eafe58953d8073479cbabcc88c457491dcad0c5.exe

  • Size

    7.2MB

  • MD5

    1ec97b6ae261913bfce62171a4cbfec6

  • SHA1

    ffdb2a1a6e5cb5a08ef20e584f70ccc2690ea3bd

  • SHA256

    a885ab978fce4f740ab67e402eafe58953d8073479cbabcc88c457491dcad0c5

  • SHA512

    d143988b8a13da77fb3e4c68d4cf26ff5bfb137278b9c34b1530824461f3e838c6afb53002c7cc6383dcf5c28658e04e9e54c5b5b0bb9121fc4e437696b3bc51

  • SSDEEP

    196608:xxm5MctdEEAJTpMEa66Ey+/xwAB04awWOAQwlCkzj:zcjEEAJWEh65C30GW9lCkzj

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\a885ab978fce4f740ab67e402eafe58953d8073479cbabcc88c457491dcad0c5.exe
    "C:\Users\Admin\AppData\Local\Temp\a885ab978fce4f740ab67e402eafe58953d8073479cbabcc88c457491dcad0c5.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3828
    • C:\Users\Admin\AppData\Local\Temp\is-9INCS.tmp\a885ab978fce4f740ab67e402eafe58953d8073479cbabcc88c457491dcad0c5.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-9INCS.tmp\a885ab978fce4f740ab67e402eafe58953d8073479cbabcc88c457491dcad0c5.tmp" /SL5="$B0038,7269570,121856,C:\Users\Admin\AppData\Local\Temp\a885ab978fce4f740ab67e402eafe58953d8073479cbabcc88c457491dcad0c5.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1768
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4616
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3896
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3640
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2564
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:4708

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        2.1MB

        MD5

        8a9a057f29c3f7f934daaf8b7908a5ad

        SHA1

        69ca85e99c34cdf88db6d9e3baaa7dcfca4477a0

        SHA256

        854e5a5613b69c1598cc9a60c1f01985173a43f9028a99aac95f5c5283b5b3eb

        SHA512

        3184473e21dfb21cd350be659549268d4a05f6e4f480ed2c1a5cb6ed4f875ee797e36af98c1b692eef8aa71531ffad45309dd6c09433d3c366a874e92a4ddef1

      • C:\Users\Admin\AppData\Local\Temp\is-5LL42.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-5LL42.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-9INCS.tmp\a885ab978fce4f740ab67e402eafe58953d8073479cbabcc88c457491dcad0c5.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/1768-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/1768-6-0x00000000007A0000-0x00000000007A1000-memory.dmp

        Filesize

        4KB

      • memory/1768-163-0x00000000007A0000-0x00000000007A1000-memory.dmp

        Filesize

        4KB

      • memory/3640-187-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3640-175-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3640-206-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3640-156-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3640-158-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3640-202-0x0000000000910000-0x00000000009AE000-memory.dmp

        Filesize

        632KB

      • memory/3640-201-0x0000000000910000-0x00000000009AE000-memory.dmp

        Filesize

        632KB

      • memory/3640-161-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3640-200-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3640-165-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3640-168-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3640-170-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3640-173-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3640-197-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3640-178-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3640-180-0x0000000000910000-0x00000000009AE000-memory.dmp

        Filesize

        632KB

      • memory/3640-184-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3640-195-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3640-190-0x0000000000910000-0x00000000009AE000-memory.dmp

        Filesize

        632KB

      • memory/3640-192-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3828-0-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/3828-159-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/3896-153-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3896-150-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3896-151-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3896-154-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB