Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/12/2023, 17:16

General

  • Target

    1e8777e7ab33b410cdbaa45a50f7c73e89e72c57c4bcd6d65b414dd661db088a.exe

  • Size

    7.0MB

  • MD5

    f039a9cc04b264cd36ee32a3f84c8943

  • SHA1

    f160df5b648b6f0a416de04cfbc98cb5cb23c378

  • SHA256

    1e8777e7ab33b410cdbaa45a50f7c73e89e72c57c4bcd6d65b414dd661db088a

  • SHA512

    3f117d4337679cd18ff3ff310789d78bb1e03722b234550a1b8205130fe04fd8d26b29b6fb0f72cd034251ea66df6dc81178650af73b12e1c2d6419fb8995559

  • SSDEEP

    196608:Xxm5Z7xPjWtYOkdHWd1V3GaO4TwWHvzASW8P7Bzj:k7RjWtfj95dLASWyzj

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\1e8777e7ab33b410cdbaa45a50f7c73e89e72c57c4bcd6d65b414dd661db088a.exe
    "C:\Users\Admin\AppData\Local\Temp\1e8777e7ab33b410cdbaa45a50f7c73e89e72c57c4bcd6d65b414dd661db088a.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3120
    • C:\Users\Admin\AppData\Local\Temp\is-ODCVV.tmp\1e8777e7ab33b410cdbaa45a50f7c73e89e72c57c4bcd6d65b414dd661db088a.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-ODCVV.tmp\1e8777e7ab33b410cdbaa45a50f7c73e89e72c57c4bcd6d65b414dd661db088a.tmp" /SL5="$E0068,7089240,121856,C:\Users\Admin\AppData\Local\Temp\1e8777e7ab33b410cdbaa45a50f7c73e89e72c57c4bcd6d65b414dd661db088a.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4316
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4912
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:980
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2548
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4828
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:3316

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.3MB

        MD5

        8c6b7ec809056c032f10aaee88649892

        SHA1

        e3c493eef39217875d2f70b44610788237923a92

        SHA256

        4dab530cc010f7991d9a666e25e431fbf1c034ca8e8d708b08ab0c3b73632442

        SHA512

        178c9a0741c808c785ac002eac94f98647b410249ab71fcedbe44de1276b97a800e1f4974d9da293313cc076491efc86bda2f4b1b718b65dc6380d52e6c2aa9c

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

        Filesize

        2.0MB

        MD5

        e4a8032541379455f84bccfe4920d9da

        SHA1

        ab9ed80023a2c08705234d5057a4cab860d87a2b

        SHA256

        45b27c8d70b72412f6d1f3b5e08262318d1e87490bb31c4f29975e0f87e192af

        SHA512

        72468e314b80bb9b4ab658676e7f8a19062cf2c3af0fb29b06c56924d2718319669d7f8cc37959072d376aa0e4119fea6674697021816b6ce5ce1c1f7c05e03f

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

        Filesize

        791KB

        MD5

        b312343fcab1ec66724eb9e70260d825

        SHA1

        6b9d069a19e97017980d8e09296fb2dd3fc42047

        SHA256

        a002e82486f7218db788b6b89f800db6f258d4c41bb9245c1efe59ca68d37512

        SHA512

        15f139e3fb7a1409124ebeb17f09632ee724adf24053f82995c6b6fa4b760fc21cb6d39ffde6627a65efe806edb802b56fff87629a2621762cb32d9d2cf19c01

      • C:\Users\Admin\AppData\Local\Temp\is-K696V.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-K696V.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-ODCVV.tmp\1e8777e7ab33b410cdbaa45a50f7c73e89e72c57c4bcd6d65b414dd661db088a.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/980-152-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/980-154-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/980-151-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/980-155-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2548-161-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2548-192-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2548-158-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2548-207-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2548-204-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2548-201-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2548-198-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2548-195-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2548-165-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2548-166-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2548-169-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2548-172-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2548-175-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2548-178-0x0000000000840000-0x00000000008DE000-memory.dmp

        Filesize

        632KB

      • memory/2548-181-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2548-182-0x0000000000840000-0x00000000008DE000-memory.dmp

        Filesize

        632KB

      • memory/2548-185-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2548-188-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2548-189-0x0000000000840000-0x00000000008DE000-memory.dmp

        Filesize

        632KB

      • memory/3120-0-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/3120-159-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/3120-2-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/4316-7-0x00000000006A0000-0x00000000006A1000-memory.dmp

        Filesize

        4KB

      • memory/4316-162-0x00000000006A0000-0x00000000006A1000-memory.dmp

        Filesize

        4KB

      • memory/4316-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB