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 16:14

General

  • Target

    a0fb19ada7013571c00a632847ecc7085145f6079df335cb5586afbb102fc76b.exe

  • Size

    7.2MB

  • MD5

    f68d3762a15ddab5d156573f5996e496

  • SHA1

    b4dd7afea93b16c0b9a99d097614ca73eb105449

  • SHA256

    a0fb19ada7013571c00a632847ecc7085145f6079df335cb5586afbb102fc76b

  • SHA512

    af22b0b644540913f44c34919a242b295e9b2c5704ad898141b7423a3d5056a53ea0cbbf394b5a91057712cf963efb4edab4ce9bf9d00adfb431d0712bbebdf9

  • SSDEEP

    196608:6xm50EF70ZaWLZ97vnC8LpS7+bI9cpSzj:kEt0Zak7aIA7kSzj

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\a0fb19ada7013571c00a632847ecc7085145f6079df335cb5586afbb102fc76b.exe
    "C:\Users\Admin\AppData\Local\Temp\a0fb19ada7013571c00a632847ecc7085145f6079df335cb5586afbb102fc76b.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4016
    • C:\Users\Admin\AppData\Local\Temp\is-0SON9.tmp\a0fb19ada7013571c00a632847ecc7085145f6079df335cb5586afbb102fc76b.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-0SON9.tmp\a0fb19ada7013571c00a632847ecc7085145f6079df335cb5586afbb102fc76b.tmp" /SL5="$5021E,7257737,121856,C:\Users\Admin\AppData\Local\Temp\a0fb19ada7013571c00a632847ecc7085145f6079df335cb5586afbb102fc76b.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3452
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2924
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4792
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -s
          3⤵
          • Executes dropped EXE
          PID:504
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3100
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:1652

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.6MB

        MD5

        9d23ebd01d2c76ac5132efb3aa2e54d1

        SHA1

        20292284f3449553d337c920e211f2d5683455c3

        SHA256

        a1a860811751545a0c74c97d0eb8233555bf1024fd5cb657140b158e6b50e626

        SHA512

        096c43397fa35d838224363e08833034d9874ba9d0bd33034587b25501238ec73ad4f3619a04e93410d1c55bc8e6353996773427d667db31b7fec7977c2e3009

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

        Filesize

        718KB

        MD5

        5bd07a87c0b5540c65379c99b08ac0c3

        SHA1

        b8ac197b4ff479d3fb8ef79e34f12ee744f52f10

        SHA256

        8681771120fc1754c1539ec2aaf1569cda31bde6f7adca268adf28ec2075e777

        SHA512

        7a2ca4b62edaf2dca64ad2c03a524a2aa5b8c9e321cd123881e7416b5e3f4015af852f2898535708103b666c2ab64257574cde5d295e0c5d1d94e940e534c451

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

        Filesize

        379KB

        MD5

        05d68e934437163a1f5febc575ee7943

        SHA1

        156abc0397337450f4fe47d17e2e76fdc1cf7d4b

        SHA256

        be836a6ffc3946d77e4fcba998cd780558a0056916c4d47cdf1fcd20ea51f247

        SHA512

        050c3e5768b8733d808fc2d5f545d08e9953e09cd5e89e5c4b71f1ae33c07598e4b34747a9f98c9cc9b67b12e1534c1b481f3c401085f1176d53d19b4e599a6c

      • C:\Users\Admin\AppData\Local\Temp\is-0SON9.tmp\a0fb19ada7013571c00a632847ecc7085145f6079df335cb5586afbb102fc76b.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-FBD2T.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-FBD2T.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/504-186-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/504-170-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/504-208-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/504-205-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/504-202-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/504-199-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/504-196-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/504-158-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/504-159-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/504-193-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/504-190-0x0000000000850000-0x00000000008EE000-memory.dmp

        Filesize

        632KB

      • memory/504-162-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/504-189-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/504-166-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/504-167-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/504-183-0x0000000000850000-0x00000000008EE000-memory.dmp

        Filesize

        632KB

      • memory/504-173-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/504-176-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/504-179-0x0000000000850000-0x00000000008EE000-memory.dmp

        Filesize

        632KB

      • memory/504-180-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3452-163-0x0000000000590000-0x0000000000591000-memory.dmp

        Filesize

        4KB

      • memory/3452-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/3452-10-0x0000000000590000-0x0000000000591000-memory.dmp

        Filesize

        4KB

      • memory/4016-0-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/4016-160-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/4016-2-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/4792-151-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4792-155-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4792-154-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4792-152-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB