Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    02-08-2024 17:51

General

  • Target

    a1fb462e5251f6cbeb297bfca4e48872d92cc2f89b5a7d43d0a5f9e28e1705ff.exe

  • Size

    29KB

  • MD5

    2d3658d5db691d9c616d54054b23227e

  • SHA1

    0c6fc3568cffa7b16a4d662057ceb57d8d7b84a1

  • SHA256

    a1fb462e5251f6cbeb297bfca4e48872d92cc2f89b5a7d43d0a5f9e28e1705ff

  • SHA512

    3cd103430d517aae3180d71cf54005b6921a2d36ef373fee43cca97ddeed7720b4c16853d066e80af6156748f399d194f2e58c71f6366599c24abaf264a55cf8

  • SSDEEP

    384:NbbRrwh+uPW1Gt5M0zhIV/DZ3KZp7JcTO4yf9Knuf2MqlUV2V9wVfUnfRqOzGOnj:pi1PW16GVRu1yK9fMnJG2V9dHS8

Score
6/10

Malware Config

Signatures

  • 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 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1256
      • C:\Users\Admin\AppData\Local\Temp\a1fb462e5251f6cbeb297bfca4e48872d92cc2f89b5a7d43d0a5f9e28e1705ff.exe
        "C:\Users\Admin\AppData\Local\Temp\a1fb462e5251f6cbeb297bfca4e48872d92cc2f89b5a7d43d0a5f9e28e1705ff.exe"
        2⤵
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2968
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2356
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2544

    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

      254KB

      MD5

      0d251b00fba311b711741b93516a3785

      SHA1

      81c9483c604969b5a77f624aae23bd77e70323db

      SHA256

      5d532031d275b82ff3ba64688b6db263b6ec730f562ca11f0149b6ec14ff5287

      SHA512

      79b29b9a7738bf5ff1ae82e78c55729ce1f1b75144cbe8437939b35057f1a2f66903af3691febf52944d5a4defe23645a411ad7ab46457332ad76094007ba842

    • C:\Program Files\7-Zip\7zFM.exe

      Filesize

      959KB

      MD5

      4be17251a10425f5b608ef1d18eab4d9

      SHA1

      6b59a7c570b957d72d21360a3c367a43f0373da2

      SHA256

      50102855acd670dd5e5cea3ff41f061276320794c07db4a692dbfdedf2944276

      SHA512

      2e3a4de1c0069c5784539c3be1938f3a3375b555d1c375152fed3ebf2ce04717c2a9d224d9f73c5a79afacd478492e878cd9cf8fee63387ac7a4d18268424673

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

      Filesize

      474KB

      MD5

      17e5de36cf448d652adab881a4557ec2

      SHA1

      c45337444120f4cc4a9a65b2bee63cd61618ca2a

      SHA256

      32568fb07078e0d4e77efac9ad862454dba63de5c5f920d9a14de709372f2430

      SHA512

      22678c9ca2d70d9a3377d1f2c6c91d7649adcaccee564acdf1bd6373e60f13f6e21fc09feed5b590475889996287961a1450542741ef0888a4a0b5e9c9812b92

    • F:\$RECYCLE.BIN\S-1-5-21-3502430532-24693940-2469786940-1000\_desktop.ini

      Filesize

      8B

      MD5

      5e797d005cfee3b802f98412c511983c

      SHA1

      1c65a747549afbed9971b65c604d64ec1f1ab898

      SHA256

      dcb1b824282c0cca0aaad7a62d7857039122e25a100766f82c85f227b36e4c88

      SHA512

      41116f81a81859b0608b0150a4cd791b3fba9e7516ff3eb98494a3802a3532dda052a2ed955d64c023fe6d8113079d7190df6f5bcc7ef86c8e743419a758706b

    • memory/1256-5-0x0000000002E80000-0x0000000002E81000-memory.dmp

      Filesize

      4KB

    • memory/2968-66-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2968-0-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2968-72-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2968-20-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2968-519-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2968-1849-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2968-14-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2968-3309-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2968-7-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB