Analysis

  • max time kernel
    145s
  • max time network
    149s
  • 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, 06:56

General

  • Target

    3f8195cfd59630958865a80d8f219087ecdba3bf76c33ef94a83d56207e1e8bf.exe

  • Size

    7.5MB

  • MD5

    b594486608e5a57adf85807b1472c157

  • SHA1

    6a843a98de699b342aefbdc023e888fc65ecd8a2

  • SHA256

    3f8195cfd59630958865a80d8f219087ecdba3bf76c33ef94a83d56207e1e8bf

  • SHA512

    25c3b56ce913adfce4d0b9238e023e8f92943c43ccbcd0c5c727216de46b45c1d45c553c677c52b8adbdd31898573b697f3f8df13993d7076179a6118368ce90

  • SSDEEP

    196608:Eq/iLRC0OLkYNew6tjCtD2RQVsBp4UAzj:EHC9Lkuew6t2oCO9Azj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 2 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\3f8195cfd59630958865a80d8f219087ecdba3bf76c33ef94a83d56207e1e8bf.exe
    "C:\Users\Admin\AppData\Local\Temp\3f8195cfd59630958865a80d8f219087ecdba3bf76c33ef94a83d56207e1e8bf.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Users\Admin\AppData\Local\Temp\is-DPNMN.tmp\3f8195cfd59630958865a80d8f219087ecdba3bf76c33ef94a83d56207e1e8bf.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-DPNMN.tmp\3f8195cfd59630958865a80d8f219087ecdba3bf76c33ef94a83d56207e1e8bf.tmp" /SL5="$60064,7577497,68096,C:\Users\Admin\AppData\Local\Temp\3f8195cfd59630958865a80d8f219087ecdba3bf76c33ef94a83d56207e1e8bf.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4608
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2220
        • C:\Program Files (x86)\PlayGIF\gifplayer.exe
          "C:\Program Files (x86)\PlayGIF\gifplayer.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2808
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3080
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:3916
          • C:\Program Files (x86)\PlayGIF\gifplayer.exe
            "C:\Program Files (x86)\PlayGIF\gifplayer.exe" -s
            3⤵
            • Executes dropped EXE
            PID:2832

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Program Files (x86)\PlayGIF\gifplayer.exe

              Filesize

              2.4MB

              MD5

              9056116e76422c73266bbb874b76fb22

              SHA1

              224f0788f1900b92a97d00fba7db9ffb1ad0952f

              SHA256

              56b59bebfedf9415aa1de40f8881a44238e587685c9d0eea7d23d0ad7cd41952

              SHA512

              beefdbee09c77983befb3ea64788b258831f7569009730c773a3e545ef2112a7d46e9f44082286fea4153d439ec138265482a14b88ad9dcfcad5426134d107ff

            • C:\Program Files (x86)\PlayGIF\gifplayer.exe

              Filesize

              557KB

              MD5

              f72149191cd8a00e04fdd52cccda4db3

              SHA1

              df1721dcd5e3ec7cfcaeb845ac63f5333d2b42b3

              SHA256

              739da4fd283bf5acfbcee6118f70a8cd8492e48688576f09b4e76b1b274f9f64

              SHA512

              870be471d158382789b5b92df9698098540db6253910f96268959fb06a3ccb4e822e1655fb85eb494d466b7d429671d06563ce6a2b8bff2265fbba180cc86715

            • C:\Users\Admin\AppData\Local\Temp\is-5K0KO.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • C:\Users\Admin\AppData\Local\Temp\is-5K0KO.tmp\_isetup\_isdecmp.dll

              Filesize

              19KB

              MD5

              3adaa386b671c2df3bae5b39dc093008

              SHA1

              067cf95fbdb922d81db58432c46930f86d23dded

              SHA256

              71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

              SHA512

              bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

            • C:\Users\Admin\AppData\Local\Temp\is-DPNMN.tmp\3f8195cfd59630958865a80d8f219087ecdba3bf76c33ef94a83d56207e1e8bf.tmp

              Filesize

              687KB

              MD5

              f448d7f4b76e5c9c3a4eaff16a8b9b73

              SHA1

              31808f1ffa84c954376975b7cdb0007e6b762488

              SHA256

              7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

              SHA512

              f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

            • memory/2208-160-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/2208-1-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/2808-151-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/2808-152-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/2808-154-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/2808-155-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/2832-185-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/2832-179-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/2832-157-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/2832-208-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/2832-162-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/2832-204-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/2832-166-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/2832-167-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/2832-170-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/2832-173-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/2832-176-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/2832-159-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/2832-180-0x0000000000940000-0x00000000009DE000-memory.dmp

              Filesize

              632KB

            • memory/2832-201-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/2832-188-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/2832-191-0x0000000000940000-0x00000000009DE000-memory.dmp

              Filesize

              632KB

            • memory/2832-192-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/2832-195-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/2832-198-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/4608-7-0x0000000002340000-0x0000000002341000-memory.dmp

              Filesize

              4KB

            • memory/4608-163-0x0000000002340000-0x0000000002341000-memory.dmp

              Filesize

              4KB

            • memory/4608-161-0x0000000000400000-0x00000000004BC000-memory.dmp

              Filesize

              752KB