Analysis

  • max time kernel
    180s
  • max time network
    216s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    06/01/2024, 20:41

General

  • Target

    4722d2f97702c2661b91c5765bc2cf0c.exe

  • Size

    1.5MB

  • MD5

    4722d2f97702c2661b91c5765bc2cf0c

  • SHA1

    f2c02ba410c46ae5a4d131c6ba1db99fcf4c7b95

  • SHA256

    856d777cd1a661ee404f45a9e84b107315eebe660110e69a0c2bea203be71442

  • SHA512

    2b22c5e4a7dcd1459a592c328ceb07fe4b50a86dfc44ff83f574e60aaf1b4a8e9aeda374146a47842ff06196fef2d08ad4c3de07d7e85446b5f17d9bd3204050

  • SSDEEP

    24576:QnsP5FTw6GlqlkqC3CJihExIjTwQLyhWveB+4goGQoadai7D3uITjIFOxo53ApIj:QnsPLTw6CqqqCUihExIjTwQLyhWveB+Z

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4722d2f97702c2661b91c5765bc2cf0c.exe
    "C:\Users\Admin\AppData\Local\Temp\4722d2f97702c2661b91c5765bc2cf0c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1716
    • C:\Users\Admin\AppData\Local\Temp\4722d2f97702c2661b91c5765bc2cf0c.exe
      C:\Users\Admin\AppData\Local\Temp\4722d2f97702c2661b91c5765bc2cf0c.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2740
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\4722d2f97702c2661b91c5765bc2cf0c.exe" /TN m8v9k5kD0c8e /F
        3⤵
        • Creates scheduled task(s)
        PID:2852
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN m8v9k5kD0c8e > C:\Users\Admin\AppData\Local\Temp\2Ms4TJ.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2752
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN m8v9k5kD0c8e
          4⤵
            PID:112

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\2Ms4TJ.xml

            Filesize

            1KB

            MD5

            2a1657c81f189a1024286d46c4ccb2de

            SHA1

            43358f4b74fe837d8d8ffec40ab5f1350d86aae4

            SHA256

            5fd56dd6466c3d55f3270efcab4dc2f1b14e5fc86e7e991255c92af0f5fecf92

            SHA512

            f970cc1c656b77786d9709c3faf42e2dd19230a4dbf563495838300a885e9fead6d6022fe18ac2d6ccc643cb1c7fe21fcd343210580ce8a224d99f962d3ec0ff

          • C:\Users\Admin\AppData\Local\Temp\4722d2f97702c2661b91c5765bc2cf0c.exe

            Filesize

            54KB

            MD5

            14c0e70af6940f59d80f68c5c8c39df1

            SHA1

            5ac76be55342cd4fa25c31611e3a80611c5607f7

            SHA256

            e4c17c48d73829e6daac7e2a835c823b858f0c7bd7145aca5b51db8cbc76669c

            SHA512

            947faa899aeacc5ac9ee6ad2c1c070579c18c1a7874ecb4adce9e2baa35dcb420cf701f8414fff555bb104ee18dbc549ccc47b558ded520cb10b7e30a5ccf82a

          • \Users\Admin\AppData\Local\Temp\4722d2f97702c2661b91c5765bc2cf0c.exe

            Filesize

            146KB

            MD5

            c07406f3f42081082e05a8b73c0474a2

            SHA1

            1e893805b06610dc0827c5767babed6d23395646

            SHA256

            84ad8f538434f11a8e60f01dbd71af1a72de6f7b565782643d9b2f3aa148d1da

            SHA512

            e5ab0efe0d902b94ecff50e3d93e921e4c45606a711822a5649240b6576726fde67a7f31c33d1e0945a659e5dbeab442898de81514d786a519bddadc97850ae9

          • memory/1716-0-0x0000000000400000-0x000000000065C000-memory.dmp

            Filesize

            2.4MB

          • memory/1716-1-0x0000000000400000-0x000000000046B000-memory.dmp

            Filesize

            428KB

          • memory/1716-3-0x0000000000330000-0x00000000003AE000-memory.dmp

            Filesize

            504KB

          • memory/1716-16-0x0000000000400000-0x000000000065C000-memory.dmp

            Filesize

            2.4MB

          • memory/2740-24-0x0000000000400000-0x000000000045B000-memory.dmp

            Filesize

            364KB

          • memory/2740-28-0x00000000002E0000-0x000000000034B000-memory.dmp

            Filesize

            428KB

          • memory/2740-26-0x0000000000400000-0x000000000065C000-memory.dmp

            Filesize

            2.4MB

          • memory/2740-23-0x00000000001A0000-0x000000000021E000-memory.dmp

            Filesize

            504KB

          • memory/2740-31-0x0000000000400000-0x000000000065C000-memory.dmp

            Filesize

            2.4MB