Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10/05/2024, 12:18

General

  • Target

    547cd2b9601840e97d1e8cf92bba29c7f1e05d2c6f1e13aea355fc889af4137b.exe

  • Size

    1.2MB

  • MD5

    f6f46ba550bec2ae79bdbfbe15abc332

  • SHA1

    28c84ed9deb3a90dc5ec75c58aab33371cfd7c22

  • SHA256

    547cd2b9601840e97d1e8cf92bba29c7f1e05d2c6f1e13aea355fc889af4137b

  • SHA512

    265ceb854a1591479062cbd178efa7bc857bdb6201d6415608cba5f14f6639caf3e1cce226bbf8de8c8f099c080ce19c54c540f29f7403665a87b1be3ca121bb

  • SSDEEP

    24576:upm0H9nQ79hBfO31W/5uuSR3WD2CA1ETobIqbtTA+5i:qQsYhuuSR3WDE1Ec5T5I

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1324
      • C:\Users\Admin\AppData\Local\Temp\547cd2b9601840e97d1e8cf92bba29c7f1e05d2c6f1e13aea355fc889af4137b.exe
        "C:\Users\Admin\AppData\Local\Temp\547cd2b9601840e97d1e8cf92bba29c7f1e05d2c6f1e13aea355fc889af4137b.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2956
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a9D49.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2992
          • C:\Users\Admin\AppData\Local\Temp\547cd2b9601840e97d1e8cf92bba29c7f1e05d2c6f1e13aea355fc889af4137b.exe
            "C:\Users\Admin\AppData\Local\Temp\547cd2b9601840e97d1e8cf92bba29c7f1e05d2c6f1e13aea355fc889af4137b.exe"
            4⤵
            • Executes dropped EXE
            PID:2564
        • 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:3008
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2580
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2104

      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

              ee177f5357587da410f12e4e626dece9

              SHA1

              ac89e4feee579025fdcb287108ced259b22ead22

              SHA256

              4745e0688e594cac13b5785a7f206fc22c310797772c565693f25dfbb7f7f548

              SHA512

              afd7b8d29540ce3ed7cd5662b2807e1ff12cf94f9fbfc8e268cdf092ff1a0bf94ba37c95f28baaa7281ae029453e48073c1fda8297624353a6da1a68d562c2fb

            • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

              Filesize

              472KB

              MD5

              88eb1bca8c399bc3f46e99cdde2f047e

              SHA1

              55fafbceb011e1af2edced978686a90971bd95f2

              SHA256

              42fd78c05bc240d4ded16ac974f17c336f6ae3a1814d548021c48a942cc30428

              SHA512

              149d4de0c024e25a13a7bb17471e6f48391d4f26b1c8388672320eed1c255f84219ad7b72bbebc531ae558d5192dd4bb6d0dddd6c65a45300c8e8348a4fb3728

            • C:\Users\Admin\AppData\Local\Temp\$$a9D49.bat

              Filesize

              722B

              MD5

              6e573f43781f6b86b31ce5c8e659abb6

              SHA1

              5d214c04419e397b0e344756481b83128da148ce

              SHA256

              a7466ad7360bbc2c5c435c8bf319cce68081fe8e22a15b84a4ccd501460259ba

              SHA512

              04c3fd0f7dc90014814ff6a71731942dfe2d13ccd8c4ee77c001e83d38ad986008e17e29573b6f14573dc48f70e8426913b2c36e3442fa0e8c6a5518303ea66a

            • C:\Users\Admin\AppData\Local\Temp\547cd2b9601840e97d1e8cf92bba29c7f1e05d2c6f1e13aea355fc889af4137b.exe.exe

              Filesize

              1.2MB

              MD5

              f855372e102937242692dd95d862a0a7

              SHA1

              ce3a8398485ea1467ab5bc389f09b9120ad8e5e4

              SHA256

              e3ed541c35fed452270fce3bc9868c7adf3dba6e51b83cdf546766af832863ab

              SHA512

              7e3f16b92e490a6276e27d02b1c420a1a8198cc11bf73848dc0644095c85862b9ff8bf63b95c0657cbfc713fbe53ceb5e12767466c205724e659f6694c8f771e

            • C:\Windows\Logo1_.exe

              Filesize

              27KB

              MD5

              591d5f504128496faf3fa7cade4a47c7

              SHA1

              c07d118849c76ace4dcc3ce2e0f6941a4c1bc899

              SHA256

              65842e84b61d8caaab9568bea23ed448d7374e72b0c9f09dc36191e3328a456c

              SHA512

              7d0a7f38895098b7e31f9bb3be6668871a9c5ef2a912359a20f145c8e905c0751bfd5e50f5ba203b5b463981c9fd3b3962f683872495430179b2e17b8d652057

            • F:\$RECYCLE.BIN\S-1-5-21-330940541-141609230-1670313778-1000\_desktop.ini

              Filesize

              9B

              MD5

              4d28283e4d415600ffc2f8fda6d8c91e

              SHA1

              053dcb8d5d84b75459bc82d8740ee4684d680016

              SHA256

              b855effeaf01610130d3f38de35bc7f98bfc6643d98d4198af18534f048e8df7

              SHA512

              73a758cd5e5ac48d62dd89719be604214895e0cc9a10ff7464a6cf9161a37fd27d15dd2d2565f18198b381ac6442bcb36f38614df7b1176061a83616517a7edb

            • memory/1324-31-0x0000000002A50000-0x0000000002A51000-memory.dmp

              Filesize

              4KB

            • memory/2956-16-0x00000000001B0000-0x00000000001E5000-memory.dmp

              Filesize

              212KB

            • memory/2956-0-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/2956-17-0x00000000001B0000-0x00000000001E5000-memory.dmp

              Filesize

              212KB

            • memory/2956-18-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/3008-34-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/3008-20-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/3008-41-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/3008-47-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/3008-93-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/3008-99-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/3008-1852-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/3008-3312-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB