Analysis

  • max time kernel
    150s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-04-2024 23:08

General

  • Target

    1f7af504348ab6f5df7f32f183a67bec10c1cf2ec6fe9dddb7df76eb97c2ab9e.exe

  • Size

    957KB

  • MD5

    39c429cd98ca9863321e64fb61feaa3f

  • SHA1

    6d4d409f5426da36b1a4f9c47352939c782e16e7

  • SHA256

    1f7af504348ab6f5df7f32f183a67bec10c1cf2ec6fe9dddb7df76eb97c2ab9e

  • SHA512

    e91b49e26c9cd52fc6ef277358480c280ce28b1ca5e3f5a111b70c179043a4a2565f8f85c87357867b4ca7ace32cc9ebb53218209e7130112357176c78a34e33

  • SSDEEP

    12288:Bp7RKcv8Nh7py6Rmi78gkPH3aPI9vyVg/0paQuj3IdD02fKBjtp/:BpEBpDRmi78gkPXlyo0G/jr

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3408
      • C:\Users\Admin\AppData\Local\Temp\1f7af504348ab6f5df7f32f183a67bec10c1cf2ec6fe9dddb7df76eb97c2ab9e.exe
        "C:\Users\Admin\AppData\Local\Temp\1f7af504348ab6f5df7f32f183a67bec10c1cf2ec6fe9dddb7df76eb97c2ab9e.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:400
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a3FE7.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2768
          • C:\Users\Admin\AppData\Local\Temp\1f7af504348ab6f5df7f32f183a67bec10c1cf2ec6fe9dddb7df76eb97c2ab9e.exe
            "C:\Users\Admin\AppData\Local\Temp\1f7af504348ab6f5df7f32f183a67bec10c1cf2ec6fe9dddb7df76eb97c2ab9e.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:4756
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1620
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4448
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:4460

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

        Filesize

        252KB

        MD5

        884491f20ab9c19ff6a85edc42b37fdd

        SHA1

        7da4e52b211caa947498bdfc2fcfe7b56ad7940f

        SHA256

        efc0f29730656326febece0fefe652573822eea84510d777fa8b83fc94b68e5b

        SHA512

        a985f98008efaa59e861e8f23d19720ebbff976b58be58f6b7276c3c2deba58d544a8517fd7601cb30ed8064006e1c6ae8e832171515db6cba9687af2437b474

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        571KB

        MD5

        df1c2a2e35565dc99808bfd8914cf63e

        SHA1

        33b789cea1697b9d760213276437f3c582d5137a

        SHA256

        92bb844e001e41e9f54740340196e442ed9566694e2bd6da53ab4e91c2b05672

        SHA512

        be207c28ab4f8145357589a8306bc484d15aa421465f6a28e923dc3049b0ebe0c3eae173d4bc59a179f16b388005f43d4864992e0fe9c40e12398d284964d5ac

      • C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe

        Filesize

        482KB

        MD5

        ef2faa6fbcf12b63da1cf3e9283ad1cf

        SHA1

        2032ddc0f6ed9560583f70a279ca858b1e746409

        SHA256

        2c7657fe57ec426599ef848815689264720ffed5a0f9a5d33d07cafabeb43bf3

        SHA512

        46b169f4142d45197207d0015119145c12eb01150c6b742c5f3792b01d2e23bda9e25e181144f4b9963eefcff7ccb9d37fad4d27b044753325ceeaea330fa00b

      • C:\Users\Admin\AppData\Local\Temp\$$a3FE7.bat

        Filesize

        722B

        MD5

        ed34bade28e83eb96965783c86c4b85b

        SHA1

        9df3187f22a85039ea000ff29417027b310719ce

        SHA256

        09784b6fbba162cddf8babd56a0729a507abc0967e98cfb2784f6cf577b94720

        SHA512

        2fc3f1ec7259dd6c710c18e2e186ee60f93fcda8075ba51b3386df0dc6bb1d481aa3b4cd567bca8c4eb673cd171c81c6be7151282751b81f534837dd4844652a

      • C:\Users\Admin\AppData\Local\Temp\1f7af504348ab6f5df7f32f183a67bec10c1cf2ec6fe9dddb7df76eb97c2ab9e.exe.exe

        Filesize

        930KB

        MD5

        30ac0b832d75598fb3ec37b6f2a8c86a

        SHA1

        6f47dbfd6ff36df7ba581a4cef024da527dc3046

        SHA256

        1ea0839c8dc95ad2c060af7d042c40c0daed58ce8e4524c0fba12fd73e4afb74

        SHA512

        505870601a4389b7ed2c8fecf85835adfd2944cbc10801f74bc4e08f5a0d6ecc9a52052fc37e216304cd1655129021862294a698ed36b3b43d428698f7263057

      • C:\Windows\Logo1_.exe

        Filesize

        27KB

        MD5

        a11c098e88fbd8e1071d87ba5b252080

        SHA1

        b9731f888d390d7e53a4e36ca91de322c74a624a

        SHA256

        ab5a703ea2abedf0285e3945bfb2d152daf3830070bcf23c6c8b0f76b7993e0f

        SHA512

        91903cdef6d361f7ee3015f82ab32798b080e0d418fba35f439ff9d3a245ce333953c1891c7cf0eb6172e62f503a5a54027802d40e943e6dc06ab310d44fc0ec

      • F:\$RECYCLE.BIN\S-1-5-21-1497073144-2389943819-3385106915-1000\_desktop.ini

        Filesize

        9B

        MD5

        95b3e5fe04e8423c49a7f69a5d13771f

        SHA1

        615b63fb8bf07dbb0565ffd492067309645064c9

        SHA256

        1663db9b496c87701f6c8f6721e92994ffdd747f949ab1070fd844c4d63fb916

        SHA512

        d9a0d342e84c32d4c0aee97be7b9a102963d1aeab7edd87b080548f7dd144d851c558e6706bec441534d8e188938655c2b551e358d342309677511404a34ce81

      • memory/400-0-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/400-8-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1620-37-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1620-32-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1620-41-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1620-26-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1620-1002-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1620-1165-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1620-1489-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1620-12-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1620-4716-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1620-19-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB