Analysis

  • max time kernel
    149s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/06/2024, 22:29

General

  • Target

    7fc8d781c5afda0ce2b5a7772cb2e73d9b14b6d10d85f502e9232062b8879d76.exe

  • Size

    491KB

  • MD5

    4a8fda3a7d75ab2edc04a8e05e92f332

  • SHA1

    5f61b63bad26ef1dcc01960368f9d87a4fa81e20

  • SHA256

    7fc8d781c5afda0ce2b5a7772cb2e73d9b14b6d10d85f502e9232062b8879d76

  • SHA512

    0348544132334478286b761a50d4dcd024ba35c1fe296fe82fe2c9f89db73ab5162fcbc2dc0394de2ef23605816d51dc960dfcdf2296b42353a7a23b698802d1

  • SSDEEP

    12288:U1quIf1gL5pRTcAkS/3hzN8qE43fm78V:U1q45jcAkSYqyE

Score
7/10

Malware Config

Signatures

  • Drops startup file 2 IoCs
  • Executes dropped EXE 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 64 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3456
      • C:\Users\Admin\AppData\Local\Temp\7fc8d781c5afda0ce2b5a7772cb2e73d9b14b6d10d85f502e9232062b8879d76.exe
        "C:\Users\Admin\AppData\Local\Temp\7fc8d781c5afda0ce2b5a7772cb2e73d9b14b6d10d85f502e9232062b8879d76.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3216
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1508
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:5112
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a3BC1.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:396
            • C:\Users\Admin\AppData\Local\Temp\7fc8d781c5afda0ce2b5a7772cb2e73d9b14b6d10d85f502e9232062b8879d76.exe
              "C:\Users\Admin\AppData\Local\Temp\7fc8d781c5afda0ce2b5a7772cb2e73d9b14b6d10d85f502e9232062b8879d76.exe"
              4⤵
              • Executes dropped EXE
              PID:4932
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • Drops startup file
            • 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:984
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2748
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:4704
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:1176
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:3824

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            258KB

            MD5

            f44aac5207fae774b320093a814fe8ce

            SHA1

            836a7d71f3853f69ea12919a7d5289fac24cb241

            SHA256

            666ca0e926bc557503309ada0633c33844d0feb048c815c503f381a0bf6ebddc

            SHA512

            ae387ac2a8dc838c30cb1869eca33c63d4a0a03d0e6d20ffe65650846abf55fe18d22599cd94747595ceaa27b802d3505230c4a0469cabd3037ee761215aa500

          • C:\Program Files\7-Zip\7z.exe

            Filesize

            577KB

            MD5

            0e6d500107143697bcfba9450bc17c82

            SHA1

            f54f6251aa1f02777459466a0311ac093b2af7ef

            SHA256

            07481182a1f0952663948dc601a4532f1ed257cb853bc032c0557173040e995c

            SHA512

            6abb4b37772a348cec7cef9ee5d44b8bc0ebbce167029a2da2d6547df202315c3c334580d4ca26f36bc820d8d967dd8b987f791869090cfe60ac19a6bd38fbc2

          • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe

            Filesize

            643KB

            MD5

            9363a720e098b38389b25a7b18cfbcdd

            SHA1

            7b5e835b22262b47e6042e7aadecc67dac05f7db

            SHA256

            10579b661dade8697f252204f241952eb2029ea6978165f9336fd60a72b3205e

            SHA512

            564b873358ebe4d4d194b924e9934cb5c1666df901db2556e8cbab8276f8c4380a5bee157cc8eb2063fe0f48a1d0dc1cf339d3d3040d764c974e1c46b0870f88

          • C:\Users\Admin\AppData\Local\Temp\$$a3BC1.bat

            Filesize

            722B

            MD5

            bba5fdcd9545af7a691f9dddc3b85a37

            SHA1

            2a1027ce04c23a781f84b2d81a11a3598f69159f

            SHA256

            cdd3435fe09084233fb7d043cbbaee652f98261677fe220410ce5e4a24904dc1

            SHA512

            b6254eacb29134e6794eb48ecb4c2b4ec4f6a8f4ca7f1faafd1b807fd8cfc67eb75a743c51e09ccb7494c7cb0b764a9287e6670a71c85f184cbc6d520547c271

          • C:\Users\Admin\AppData\Local\Temp\7fc8d781c5afda0ce2b5a7772cb2e73d9b14b6d10d85f502e9232062b8879d76.exe.exe

            Filesize

            458KB

            MD5

            619f7135621b50fd1900ff24aade1524

            SHA1

            6c7ea8bbd435163ae3945cbef30ef6b9872a4591

            SHA256

            344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2

            SHA512

            2c7293c084d09bc2e3ae2d066dd7b331c810d9e2eeca8b236a8e87fdeb18e877b948747d3491fcaff245816507685250bd35f984c67a43b29b0ae31ecb2bd628

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            f5a21d2ae39e85a9b986aa3060965b87

            SHA1

            b22d04580bfbcbc846d18f96ba92018cb1a8138a

            SHA256

            3e02caf1f845080b75cf865164adfa1c4855d5b6cab6af1664a97c37f3bab646

            SHA512

            e0bfbe521ca648fe2dabe227235e758d5663c8573440df8b9217f033cb005aaa7b802f7ad9d85bbedaef0ce73503f7a82923623d25483d4d665b0495fcfd5c6f

          • F:\$RECYCLE.BIN\S-1-5-21-711569230-3659488422-571408806-1000\_desktop.ini

            Filesize

            8B

            MD5

            af485d3db9f82d3e5bdc8c6d87fb742e

            SHA1

            f879c3dbd3d34e9789ff73896508bfbeabbf7468

            SHA256

            7a7b688ede50bbaf08d4579fbd8c6b6c99d9dd1206d95ab24d8174eb9be98759

            SHA512

            d5fe5155948320ef6d3f80c01c9a81f0d4f60bab381d921ab2e06b62475618b973b34346bd41b40af24f2b5aff64bba68710f405f7ff21a58f369acbaaee9360

          • memory/984-18-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/984-3000-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/984-11-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/984-8665-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/3216-0-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/3216-10-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB