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Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    10/05/2024, 02:19

General

  • Target

    a4354399aeac5bc87ae2213cef7e551c34eb603cc78d0fbbf1485924b036ff65.exe

  • Size

    70KB

  • MD5

    b7b8c6622d451a1ad91825f48ee3e1d2

  • SHA1

    bb0817a3885c7daee2809a600fd02fa86e5b339d

  • SHA256

    a4354399aeac5bc87ae2213cef7e551c34eb603cc78d0fbbf1485924b036ff65

  • SHA512

    5f5942797b50b5598b9152a868f173ced0b650456f8eed76b6033620c72e73538e8177158c2674a916ca140ae1882b09febc129596d0a84baaa0a672e93b595f

  • SSDEEP

    1536:Aie+Zk77RNH2iT919XKKkQeZriw+d9bHrkT5gUHz7FxtJ:Aie+aX3rX9DsrBkfkT5xHzD

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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:1136
      • C:\Users\Admin\AppData\Local\Temp\a4354399aeac5bc87ae2213cef7e551c34eb603cc78d0fbbf1485924b036ff65.exe
        "C:\Users\Admin\AppData\Local\Temp\a4354399aeac5bc87ae2213cef7e551c34eb603cc78d0fbbf1485924b036ff65.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2008
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1792
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2544
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a13CF.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2684
            • C:\Users\Admin\AppData\Local\Temp\a4354399aeac5bc87ae2213cef7e551c34eb603cc78d0fbbf1485924b036ff65.exe
              "C:\Users\Admin\AppData\Local\Temp\a4354399aeac5bc87ae2213cef7e551c34eb603cc78d0fbbf1485924b036ff65.exe"
              4⤵
              • Executes dropped EXE
              PID:1944
          • 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:2700
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2456
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2724
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2564
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2460

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            478KB

            MD5

            9839a77e8d0dfaa2934c1da0f37c2f36

            SHA1

            7e7645f023b99febe0e83e7c54addb275baede8f

            SHA256

            4f0aae7a5e86e4647ef8c1a5a285445c1b72c969b08fc108b1b3cfd645d04d13

            SHA512

            51f29b449a7e34dba2791bc6e01a62653194a0a85cfe8de45cef5bfecffadccbc00d9347bbcac738efd1b84cc6bc0826f67a931e168a79ed6c5f565036fdc1fd

          • C:\Users\Admin\AppData\Local\Temp\$$a13CF.bat

            Filesize

            722B

            MD5

            66be63ae1ecc212a356e66232123cdac

            SHA1

            db38e41a247cc0dc42f2ac4ea544e11795fd32e6

            SHA256

            aeb14b2713d19b6b0ed2f603f3c271fdf66d7a9f5ba95a58987444f85306715d

            SHA512

            0b9b0e1282dd27057a65713f08841b963d6c3b45c828ffe750b227acb48abeadc9400e2de68692417891d9c73e789c420c2b69c89dcd201b5776f4f1385fa62b

          • C:\Users\Admin\AppData\Local\Temp\a4354399aeac5bc87ae2213cef7e551c34eb603cc78d0fbbf1485924b036ff65.exe.exe

            Filesize

            36KB

            MD5

            9f498971cbe636662f3d210747d619e1

            SHA1

            44b8e2732fa1e2f204fc70eaa1cb406616250085

            SHA256

            8adf6748981c3e7b62f5dbca992be6675574fffbce7673743f2d7fe787d56a41

            SHA512

            b73083c2f7b028d2946cb8f7b4fe2289fedaa4175364a2aac37db0aeff4602aede772ccc9eba7e6dcfcb7276e52604ca45d8021952201b5834485b48bca3dc93

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            db0109967be916a106fce9383d019fde

            SHA1

            eac68b8e0b6d46d781cf04145401f9292b09b164

            SHA256

            a942172e30917abd01969f3be6ad254b877d04dfeb5c642bab2d0a9d0eaa28fa

            SHA512

            c2f1254cfc812c3bcf7b9196cde3cb14f184e211f9d75d74cb38f8638a5ef438af3301779203eb0ed06ad02b7c06de3fa03f956b0537901e3c971cf9433ade6f

          • F:\$RECYCLE.BIN\S-1-5-21-2737914667-933161113-3798636211-1000\_desktop.ini

            Filesize

            9B

            MD5

            4d28283e4d415600ffc2f8fda6d8c91e

            SHA1

            053dcb8d5d84b75459bc82d8740ee4684d680016

            SHA256

            b855effeaf01610130d3f38de35bc7f98bfc6643d98d4198af18534f048e8df7

            SHA512

            73a758cd5e5ac48d62dd89719be604214895e0cc9a10ff7464a6cf9161a37fd27d15dd2d2565f18198b381ac6442bcb36f38614df7b1176061a83616517a7edb

          • memory/1136-27-0x00000000024E0000-0x00000000024E1000-memory.dmp

            Filesize

            4KB

          • memory/2008-0-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2008-17-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2700-18-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2700-31-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2700-3342-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2700-4173-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB