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Analysis

  • max time kernel
    146s
  • max time network
    149s
  • 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, 17:01

General

  • Target

    64995b9640265e62038a44a6dc49b27c35cbd7464838bce9ab6af3513273c799.exe

  • Size

    7.1MB

  • MD5

    202b57bebc6c8eb5ed67c0e2156e19f2

  • SHA1

    35bf42eb2deedae4156c2fce7c8436d30cdc569b

  • SHA256

    64995b9640265e62038a44a6dc49b27c35cbd7464838bce9ab6af3513273c799

  • SHA512

    1ba116e4b7086cf25c79b8ede1c5725949f3d4e906cb701925aafd58a649241afef20e680aacf0c450ddc5afd4634787fd27825e54f8e4500b0f0fabaf3684c8

  • SSDEEP

    196608:Exm5D5YUyRe7VvZKwamjGKAVW7R+gSoASGm8PvsLMwzj:yRepZKwaS79SoASGDP0Qwzj

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\64995b9640265e62038a44a6dc49b27c35cbd7464838bce9ab6af3513273c799.exe
    "C:\Users\Admin\AppData\Local\Temp\64995b9640265e62038a44a6dc49b27c35cbd7464838bce9ab6af3513273c799.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Users\Admin\AppData\Local\Temp\is-8NS3T.tmp\64995b9640265e62038a44a6dc49b27c35cbd7464838bce9ab6af3513273c799.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-8NS3T.tmp\64995b9640265e62038a44a6dc49b27c35cbd7464838bce9ab6af3513273c799.tmp" /SL5="$7017A,7235080,121856,C:\Users\Admin\AppData\Local\Temp\64995b9640265e62038a44a6dc49b27c35cbd7464838bce9ab6af3513273c799.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2920
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:820
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4288
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3004
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1248
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:2072

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.4MB

        MD5

        1a8d559c3dbb53558805e1960e535eab

        SHA1

        073ccf1c2a2ff1c8a806ad549b97c9d319f74caa

        SHA256

        2fe6c0c512f00d4eb7778c66417448d9c3b55a2fa967043c6d74077a5cb5a172

        SHA512

        2ccba0cb910514231ff5b2ae6e5bcfbb99b33bf9380eb67b2a9d238f36bda27ece58d78dfcdcf93225f00dca80468ebcf9e2cd9ac7e0d84ff58fd56c8a3b5f68

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

        Filesize

        1.6MB

        MD5

        485c5f9dfac99355ff323375c6bc2af1

        SHA1

        8a49e8372db4f724446fb220c31b3bf406372975

        SHA256

        43d9a44335460572672884ee587ad5458f6a165e0a076352fb7990002bb88e5c

        SHA512

        4b5c8ee014ed8e31dc99bce4db5053295747167ad4bef8e271c2398154a10da6224bfe6514025202754242712251f425b4625b0e2a299b6910f1b71c306b672d

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

        Filesize

        1.4MB

        MD5

        44c67ee0217287b017dd86d579943273

        SHA1

        6c41a78aac1dfff6501391a76d18a8fa8cd41afe

        SHA256

        2d6c78d3f26ea95ca3177fe3c5a63e8a5907e4f8bc83085c7b849abec6323c54

        SHA512

        1343b7d4b898c290806e0db47b405f7f8d1adf99d21f7b5b2a08d11af9c3797beaf4cdc313549e9aae0c4d8d94ce05f967910f7029214229d07792c7ca400d3e

      • C:\Users\Admin\AppData\Local\Temp\is-8NS3T.tmp\64995b9640265e62038a44a6dc49b27c35cbd7464838bce9ab6af3513273c799.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • C:\Users\Admin\AppData\Local\Temp\is-LEOF3.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-LEOF3.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/1728-159-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/1728-2-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/1728-0-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/2920-12-0x0000000000660000-0x0000000000661000-memory.dmp

        Filesize

        4KB

      • memory/2920-162-0x0000000000660000-0x0000000000661000-memory.dmp

        Filesize

        4KB

      • memory/2920-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/3004-184-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3004-179-0x00000000008A0000-0x000000000093E000-memory.dmp

        Filesize

        632KB

      • memory/3004-206-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3004-161-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3004-203-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3004-165-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3004-166-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3004-169-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3004-172-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3004-175-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3004-178-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3004-158-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3004-200-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3004-187-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3004-188-0x00000000008A0000-0x000000000093E000-memory.dmp

        Filesize

        632KB

      • memory/3004-191-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3004-194-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3004-197-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4288-151-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4288-152-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4288-155-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB