Analysis

  • max time kernel
    149s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07-04-2024 19:58

General

  • Target

    67f55c11d91f264e84d85bbbd5d00e9093d2ff163ffd1898864e4fec76db104a.exe

  • Size

    101KB

  • MD5

    9981e9f28f6ccafc176b1e0179d2c9b0

  • SHA1

    59371b2ded72f632b6a0de00de4a32ad16563372

  • SHA256

    67f55c11d91f264e84d85bbbd5d00e9093d2ff163ffd1898864e4fec76db104a

  • SHA512

    7bda708a99921d2d0277682f0fdddbb94d690b818b585be63c8822b87a4bfc75f7032b9f7b54595ad39fcddf3a07290d851655d69029f65bde0df3632a916ee9

  • SSDEEP

    1536:PVaYzMXqtGNttyUn01Q78a4R1WtwXaa8NPI9j+RedcP01ic4Brg:PVaY46tGNttyJQ7KR1WtwXwKRj1EBrg

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1192
      • C:\Users\Admin\AppData\Local\Temp\67f55c11d91f264e84d85bbbd5d00e9093d2ff163ffd1898864e4fec76db104a.exe
        "C:\Users\Admin\AppData\Local\Temp\67f55c11d91f264e84d85bbbd5d00e9093d2ff163ffd1898864e4fec76db104a.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2244
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2364
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1396
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a9BA3.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2608
            • C:\Users\Admin\AppData\Local\Temp\67f55c11d91f264e84d85bbbd5d00e9093d2ff163ffd1898864e4fec76db104a.exe
              "C:\Users\Admin\AppData\Local\Temp\67f55c11d91f264e84d85bbbd5d00e9093d2ff163ffd1898864e4fec76db104a.exe"
              4⤵
              • Executes dropped EXE
              PID:2628
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • Drops file in Drivers directory
            • 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:2696
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2528
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2704
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2420
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2596

          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

            258KB

            MD5

            196e80c6461b51a75560df3e57cfbd9a

            SHA1

            3dd1bb9835e97f093efe4ffd8c078d8fa3d4ef7f

            SHA256

            dee2cf210ee5f75549462b7cb03674155eb011190c77e332d53edcf655bcc237

            SHA512

            00a3d357b589b85a644c78558fd8eff80832cec119f8d4976f7248ce2521dbe331078129ec35af26ec18d182daad55812e3d57f2f9b73615762a37ac2fc15798

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

            Filesize

            478KB

            MD5

            e93193856beaecee9905e2a6f36be17f

            SHA1

            d4c267ea34f28f048e29461656984aad70912eda

            SHA256

            1d345f4e09acdbc12e63ce90d0bd373b56d50a378f4603d8425f6df815e44a7b

            SHA512

            1fbe9c0e86ad98d6a2a7924badec0fffc69a7d0a4839e8af45d0aedf1e4e24a4a798df0ec5b8d0aa6e0e566c0c83a4030549bd32b9ac27406fc772d4a2ff5fc3

          • C:\Users\Admin\AppData\Local\Temp\$$a9BA3.bat

            Filesize

            722B

            MD5

            cd218e5f4af85fa0f95f86e87aceade0

            SHA1

            43d4b4644386c3ed89fb832a61e5916ef3d570ff

            SHA256

            de4a76b1b208befe8b00e5fff20c6ba406f770de657f3a667aa4866eb2d14648

            SHA512

            93b25a05b35c0fd31a2fe28f4f0cef4b946a9b88cee1053257e0dadcacff00d9afa5c1ea5c6ef43e2390f9e766b00554fe52bcc2ed2725c2e2dd6cf36c59dc58

          • C:\Users\Admin\AppData\Local\Temp\67f55c11d91f264e84d85bbbd5d00e9093d2ff163ffd1898864e4fec76db104a.exe.exe

            Filesize

            68KB

            MD5

            48335cfbe6a9bdaa2492ca1320b70a3a

            SHA1

            6d3c3d659e3718a0b56f52c9d4386d55d7672b97

            SHA256

            4ec34f1d893e8cc02f669fb5eb329bbcc5374bd7e7284e8fd86fbc29d2ffeb4d

            SHA512

            9eaf3b380449ab1d2b4b6371336fc71f6a43eee0295de012d0859e7f3b80a87f9d8316b0e65d4ca450630ee17b95c64e79e594bfe27fb3965917b0c5bc2d1b58

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            0e8792b58f9237e03516447b7048d63c

            SHA1

            6f28494f0766ee470bbced1fe79fb10e5fee8252

            SHA256

            7e4e7447ce04580a3af3a9bf90810712d6daebc0ced6c6856eae22771ac50956

            SHA512

            6b935debde1916d7b1f2239ac3534c1f1585406c0d5f1060fdb356253cfab2fe9c716fd7ad05f20b9b3bb222307f15ae1b88e9062c7282d570b523150364e8a5

          • C:\Windows\system32\drivers\etc\hosts

            Filesize

            832B

            MD5

            7e3a0edd0c6cd8316f4b6c159d5167a1

            SHA1

            753428b4736ffb2c9e3eb50f89255b212768c55a

            SHA256

            1965854dfa54c72529c88c7d9f41fa31b4140cad04cf03d3f0f2e7601fcbdc6c

            SHA512

            9c68f7f72dfa109fcfba6472a1cced85bc6c2a5481232c6d1d039c88b2f65fb86070aeb26ac23e420c6255daca02ea6e698892f7670298d2c4f741b9e9415c7f

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

            Filesize

            8B

            MD5

            331b730a7f1adbf1f0bc05e0c610f0f1

            SHA1

            2f2283f84f040fbd4ecf99055026b70bb3b732ec

            SHA256

            2d3dbb80989e5cc7ef9ef800cc986bb8dccf4ca1f78437040bccd59312a55593

            SHA512

            16790117c382e66c8af2932ed0c37229ae5ee6b8bbaa8bd4e3f9afed6e07cd89c5807c81145f19f561ab714d844826cf6099a6dc97d84fa3f9da5e763bcc78c4

          • memory/1192-31-0x0000000002270000-0x0000000002271000-memory.dmp

            Filesize

            4KB

          • memory/2244-17-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2244-37-0x00000000003C0000-0x00000000003FE000-memory.dmp

            Filesize

            248KB

          • memory/2244-0-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2244-18-0x00000000003C0000-0x00000000003FE000-memory.dmp

            Filesize

            248KB

          • memory/2244-19-0x00000000003C0000-0x00000000003FE000-memory.dmp

            Filesize

            248KB

          • memory/2696-22-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2696-35-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2696-1320-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2696-4043-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB