Analysis

  • max time kernel
    144s
  • max time network
    151s
  • 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 16:34

General

  • Target

    6b8898ee40cae45e84843c2b88e26a877fb3c53d57aa545cc707e6dee4978b05.exe

  • Size

    7.0MB

  • MD5

    91c65ddf02678e03320594b4d2744264

  • SHA1

    3796a956a5aff1a41d7c89130e96b1af6bb1919a

  • SHA256

    6b8898ee40cae45e84843c2b88e26a877fb3c53d57aa545cc707e6dee4978b05

  • SHA512

    edbfb5e95c4172a01a20005d015853cf328c3a7e43cecc36807186e81b667129d223640a855a18cc25874b83f068d1c3b663a74351afd396ff6c6b3449206839

  • SSDEEP

    196608:Dxm5Z7xPjWtYOkdHWd1V3GaO4TwWHvzASW8P7Bzj:Y7RjWtfj95dLASWyzj

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\6b8898ee40cae45e84843c2b88e26a877fb3c53d57aa545cc707e6dee4978b05.exe
    "C:\Users\Admin\AppData\Local\Temp\6b8898ee40cae45e84843c2b88e26a877fb3c53d57aa545cc707e6dee4978b05.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4696
    • C:\Users\Admin\AppData\Local\Temp\is-TIJ3I.tmp\6b8898ee40cae45e84843c2b88e26a877fb3c53d57aa545cc707e6dee4978b05.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-TIJ3I.tmp\6b8898ee40cae45e84843c2b88e26a877fb3c53d57aa545cc707e6dee4978b05.tmp" /SL5="$F0228,7089240,121856,C:\Users\Admin\AppData\Local\Temp\6b8898ee40cae45e84843c2b88e26a877fb3c53d57aa545cc707e6dee4978b05.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3912
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2320
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3296
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4596
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4100
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:2220

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.0MB

        MD5

        bf44ffa4923161086eaf346e4bc2ac74

        SHA1

        8fa3e26fc2a86ca2daa4732c1ffd997d05463bff

        SHA256

        3cf922d9029df9fedf6f87e1f72fc2e6d20c81e9cc19b4c48c3811d7c943bc67

        SHA512

        7df0f024257e0c74ecf0e227d15c4e2104ac7e0601baddf57ecb424eb86d736a5199e020fc81479f36940272affcc4becf16913ddcb9c797d4c0f4cbe364c843

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

        Filesize

        1.0MB

        MD5

        9762348eb81b262f1e2b94e6e9506a97

        SHA1

        2c4ec277be2ee625157a8b7a987eb51d56ec5c98

        SHA256

        ad2d6d547d5fb9d6978d5e69aad60ec5d631939cf88aba33223a18ce411aee83

        SHA512

        3d7b231516d9e583b9bb3025ab9a619710e6f98ae2a06513b01c2e01086ce6da7896dc8dbf09df19e7d1fce8fde83c68b0ef4b6e7a02b30b9ea0b3b4353e7089

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

        Filesize

        710KB

        MD5

        d27a52c9daf107bf09e52b14c81ca4e3

        SHA1

        1aa7f87b0fddd23a7f0529717a81d703525f9946

        SHA256

        504b092cd0a282f439b7c8fc2eb2f59fa592dcf6d5965323c9995bb1a219ec8c

        SHA512

        4ab3f90f908dc9d79089cf725564720c1d2764e36995430db298f622ffc89dfad6f4e1e1b3b4e671f1ec585e16a54e3f9aed01bb7061e9aa869405ed8a0247ec

      • C:\Users\Admin\AppData\Local\Temp\is-62BLO.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-62BLO.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-TIJ3I.tmp\6b8898ee40cae45e84843c2b88e26a877fb3c53d57aa545cc707e6dee4978b05.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/3296-152-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/3296-151-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/3296-155-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/3296-154-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/3912-7-0x0000000002240000-0x0000000002241000-memory.dmp

        Filesize

        4KB

      • memory/3912-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/3912-162-0x0000000002240000-0x0000000002241000-memory.dmp

        Filesize

        4KB

      • memory/4596-161-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4596-178-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4596-158-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4596-208-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4596-205-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4596-165-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4596-166-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4596-169-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4596-172-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4596-175-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4596-179-0x00000000008B0000-0x000000000094E000-memory.dmp

        Filesize

        632KB

      • memory/4596-202-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4596-182-0x00000000008B0000-0x000000000094E000-memory.dmp

        Filesize

        632KB

      • memory/4596-185-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4596-188-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4596-189-0x00000000008B0000-0x000000000094E000-memory.dmp

        Filesize

        632KB

      • memory/4596-192-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4596-195-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4596-198-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4696-159-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/4696-2-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/4696-0-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB