Analysis

  • max time kernel
    145s
  • max time network
    146s
  • 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, 13:11

General

  • Target

    bcbbf58819e0d1e8d391a8bce59701c23bcb767a96b9ec54f92cc7f422d0897c.exe

  • Size

    7.2MB

  • MD5

    ed55ebda988ee2d2dbc7157f1f75bf01

  • SHA1

    c94b8d7ca9bbfb24aedeebe79dddb6f4993e57fa

  • SHA256

    bcbbf58819e0d1e8d391a8bce59701c23bcb767a96b9ec54f92cc7f422d0897c

  • SHA512

    ba18469747beae1be699c3f1ea12c1d429e9ae1ef372e389b046baee3ae25a27878f15b6153f78cb0bdeab74fe87f9603dce43a8d18b63624342fa2b06de21fc

  • SSDEEP

    196608:Cxm5EEwkzysVKr9L3VLEQtNO8LakngzHEGWzj:CkzYr97tEeXqjEFzj

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\bcbbf58819e0d1e8d391a8bce59701c23bcb767a96b9ec54f92cc7f422d0897c.exe
    "C:\Users\Admin\AppData\Local\Temp\bcbbf58819e0d1e8d391a8bce59701c23bcb767a96b9ec54f92cc7f422d0897c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:428
    • C:\Users\Admin\AppData\Local\Temp\is-JI6BG.tmp\bcbbf58819e0d1e8d391a8bce59701c23bcb767a96b9ec54f92cc7f422d0897c.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-JI6BG.tmp\bcbbf58819e0d1e8d391a8bce59701c23bcb767a96b9ec54f92cc7f422d0897c.tmp" /SL5="$100028,7250593,121856,C:\Users\Admin\AppData\Local\Temp\bcbbf58819e0d1e8d391a8bce59701c23bcb767a96b9ec54f92cc7f422d0897c.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3500
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3856
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:688
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4620
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:5024
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:4744

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        2.1MB

        MD5

        ec000a50cc880a53e598028d23e12ba0

        SHA1

        38d75cc013e019b3a1779bcce3bb852c9b8b6334

        SHA256

        3442eca1f93aaf1df01fdc64229e113161fa9de85c21cdc76d831fd530a11589

        SHA512

        dd483c719c7eced6de04143ef04542cadd7b6a82f6a3571a28cea40f946c089e2beed5b408744341b4f03ee0f3e04e73e95469fbdb47d9647995363168e73171

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

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-JI6BG.tmp\bcbbf58819e0d1e8d391a8bce59701c23bcb767a96b9ec54f92cc7f422d0897c.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/428-0-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/428-158-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/688-150-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/688-151-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/688-154-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/688-153-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/3500-161-0x00000000006B0000-0x00000000006B1000-memory.dmp

        Filesize

        4KB

      • memory/3500-8-0x00000000006B0000-0x00000000006B1000-memory.dmp

        Filesize

        4KB

      • memory/3500-159-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4620-165-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4620-181-0x0000000000850000-0x00000000008EE000-memory.dmp

        Filesize

        632KB

      • memory/4620-164-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4620-157-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4620-168-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4620-171-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4620-174-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4620-177-0x0000000000850000-0x00000000008EE000-memory.dmp

        Filesize

        632KB

      • memory/4620-178-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4620-160-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4620-184-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4620-187-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4620-188-0x0000000000850000-0x00000000008EE000-memory.dmp

        Filesize

        632KB

      • memory/4620-191-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4620-194-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4620-197-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4620-201-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4620-204-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4620-207-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB