Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    14/06/2023, 11:54

General

  • Target

    USB OS rufus-2.12.exe

  • Size

    927KB

  • MD5

    a1951ded627b647d449cb451daff192f

  • SHA1

    ed704dd3dc89b861f4ede5532c80dabf66c35ca5

  • SHA256

    cdae63982321d72aacb332c44c57438ad4a10b829f76c93e5bf427f18df1170a

  • SHA512

    42b20b758e1a92d2d03ebe343ecb78dc36e0e9b0e07f255353bbce000cf117311a553a5f87841a10c267b1effb1f95e051f0934bf64e4aeebd786879b3f41b14

  • SSDEEP

    24576:BLfnp9Tz4p6BSa+AHBA0gdAJU5BU2n+p1oklY1C:1nTzNvHd/JkWQwoAYw

Score
7/10

Malware Config

Signatures

  • UPX packed file 11 IoCs

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 4 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\USB OS rufus-2.12.exe
    "C:\Users\Admin\AppData\Local\Temp\USB OS rufus-2.12.exe"
    1⤵
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Modifies system certificate store
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1360

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

          Filesize

          62KB

          MD5

          3ac860860707baaf32469fa7cc7c0192

          SHA1

          c33c2acdaba0e6fa41fd2f00f186804722477639

          SHA256

          d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

          SHA512

          d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          f0e3ee3e84b35ea4d4deea6a20bb5e40

          SHA1

          e977b626d480718190dc04abec2a28450a4372c3

          SHA256

          57db0eabfe53a70f84bd48e71b548cae679dedea4e974647a029811895e84d1c

          SHA512

          1b3582105250f3d770669c54cc93fcfb4d81598e6a25b829d26bbece097f4efa41481df120588f1fe3c559fe7b715016edbaf537cd8505526fa56e6b500ff714

        • C:\Users\Admin\AppData\Local\Temp\CabCBBC.tmp

          Filesize

          61KB

          MD5

          fc4666cbca561e864e7fdf883a9e6661

          SHA1

          2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

          SHA256

          10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

          SHA512

          c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

        • C:\Users\Admin\AppData\Local\Temp\TarD055.tmp

          Filesize

          164KB

          MD5

          4ff65ad929cd9a367680e0e5b1c08166

          SHA1

          c0af0d4396bd1f15c45f39d3b849ba444233b3a2

          SHA256

          c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

          SHA512

          f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

        • memory/1360-66-0x0000000000400000-0x0000000000684000-memory.dmp

          Filesize

          2.5MB

        • memory/1360-63-0x0000000000400000-0x0000000000684000-memory.dmp

          Filesize

          2.5MB

        • memory/1360-65-0x0000000000400000-0x0000000000684000-memory.dmp

          Filesize

          2.5MB

        • memory/1360-64-0x0000000000400000-0x0000000000684000-memory.dmp

          Filesize

          2.5MB

        • memory/1360-149-0x0000000000400000-0x0000000000684000-memory.dmp

          Filesize

          2.5MB

        • memory/1360-213-0x0000000000400000-0x0000000000684000-memory.dmp

          Filesize

          2.5MB

        • memory/1360-214-0x0000000000400000-0x0000000000684000-memory.dmp

          Filesize

          2.5MB

        • memory/1360-216-0x0000000000400000-0x0000000000684000-memory.dmp

          Filesize

          2.5MB

        • memory/1360-217-0x0000000000400000-0x0000000000684000-memory.dmp

          Filesize

          2.5MB

        • memory/1360-219-0x0000000000400000-0x0000000000684000-memory.dmp

          Filesize

          2.5MB

        • memory/1360-222-0x0000000000400000-0x0000000000684000-memory.dmp

          Filesize

          2.5MB