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Analysis

  • max time kernel
    146s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/12/2023, 23:26

General

  • Target

    b42ecd7e2806b53bc5a70a63d37d7c65106c827177235f35377d6a02c5e4c7c6.exe

  • Size

    7.6MB

  • MD5

    acc1a21b1248abac35e6122f058e0562

  • SHA1

    98625116bc6e12f6c1e8f2f59dbec043c16a3380

  • SHA256

    b42ecd7e2806b53bc5a70a63d37d7c65106c827177235f35377d6a02c5e4c7c6

  • SHA512

    11da42e81e39a055ca904e46870df3fae03c4ca8c28de0dbc0f0ab1d2b30d54ee2c5748ee78231d52341d4ac279504ba396d1a3df60cfb82dfd0128626276a45

  • SSDEEP

    196608:annY8NWvGpWTTlm0OxwW+nFnfZsMUdFt30Dzj:annY8NELTIrxwlxQWDzj

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\b42ecd7e2806b53bc5a70a63d37d7c65106c827177235f35377d6a02c5e4c7c6.exe
    "C:\Users\Admin\AppData\Local\Temp\b42ecd7e2806b53bc5a70a63d37d7c65106c827177235f35377d6a02c5e4c7c6.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2200
    • C:\Users\Admin\AppData\Local\Temp\is-NBC96.tmp\b42ecd7e2806b53bc5a70a63d37d7c65106c827177235f35377d6a02c5e4c7c6.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-NBC96.tmp\b42ecd7e2806b53bc5a70a63d37d7c65106c827177235f35377d6a02c5e4c7c6.tmp" /SL5="$401C4,7715663,68096,C:\Users\Admin\AppData\Local\Temp\b42ecd7e2806b53bc5a70a63d37d7c65106c827177235f35377d6a02c5e4c7c6.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1512
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4248
        • C:\Program Files (x86)\PlayGIF\gifplayer.exe
          "C:\Program Files (x86)\PlayGIF\gifplayer.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1152
        • C:\Program Files (x86)\PlayGIF\gifplayer.exe
          "C:\Program Files (x86)\PlayGIF\gifplayer.exe" -s
          3⤵
          • Executes dropped EXE
          PID:5024
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:904
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:3912

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        2.5MB

        MD5

        e355143050a5d29b48db253aa0fc3703

        SHA1

        c7b3fd771ac7411102541cea03f68b0b606b092b

        SHA256

        17ada3e58c3103c36eb76f08248034a8ec6e619dc545896d022063edb0300165

        SHA512

        e6421be69ae85d7f64ffd9f9179dddd019a9c361ee9f237da223156b55b100cc1772bef7e7f61d784b92bf8c0bdde18338af6e08463161e5d0b165d2fe6409b1

      • C:\Users\Admin\AppData\Local\Temp\is-F1CV6.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-F1CV6.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-NBC96.tmp\b42ecd7e2806b53bc5a70a63d37d7c65106c827177235f35377d6a02c5e4c7c6.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/1152-155-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/1152-150-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/1152-152-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/1152-154-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/1512-10-0x00000000006A0000-0x00000000006A1000-memory.dmp

        Filesize

        4KB

      • memory/1512-162-0x00000000006A0000-0x00000000006A1000-memory.dmp

        Filesize

        4KB

      • memory/1512-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/2200-2-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/2200-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/2200-159-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/5024-165-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5024-180-0x0000000000990000-0x0000000000A2E000-memory.dmp

        Filesize

        632KB

      • memory/5024-158-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5024-166-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5024-169-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5024-172-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5024-175-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5024-178-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5024-179-0x0000000000990000-0x0000000000A2E000-memory.dmp

        Filesize

        632KB

      • memory/5024-161-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5024-185-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5024-188-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5024-191-0x0000000000990000-0x0000000000A2E000-memory.dmp

        Filesize

        632KB

      • memory/5024-192-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5024-195-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5024-198-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5024-201-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5024-205-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5024-208-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB