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Analysis

  • max time kernel
    164s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2023, 16:52

General

  • Target

    54d961abf4fa286573e97f8ea4ed715af9603144859cb14d2e371f92e62ffb1f.exe

  • Size

    33KB

  • MD5

    bc64f78c79e2607ab75f3355d94a12a1

  • SHA1

    fe88541a6d571a79a11cdead45c53fc858d3b41f

  • SHA256

    54d961abf4fa286573e97f8ea4ed715af9603144859cb14d2e371f92e62ffb1f

  • SHA512

    ed1ad8a75e70429a083d1c6b380ceec9f95ed25e3ac7aa711762e2bb10e6fd5273f4f7112214c6d96c90812d95bfa6cc1dfb7a3f68bceca5142c772c08b024ab

  • SSDEEP

    768:VGO5RroZJ767395uINv6v+stOLzyGOzEWF3vXVkSGN2EO:VGe+Zk77RNyvb0LzszE83C8

Score
7/10

Malware Config

Signatures

  • Drops startup file 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 2 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3352
      • C:\Users\Admin\AppData\Local\Temp\54d961abf4fa286573e97f8ea4ed715af9603144859cb14d2e371f92e62ffb1f.exe
        "C:\Users\Admin\AppData\Local\Temp\54d961abf4fa286573e97f8ea4ed715af9603144859cb14d2e371f92e62ffb1f.exe"
        2⤵
        • Drops startup file
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1172
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3328
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1892
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:4492
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              4⤵
                PID:4676

        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

          ede9b3296bc2701178852eb47c0c4553

          SHA1

          2d3bcbacf09a51e7ca4eb9a1a1a428f104ecf52f

          SHA256

          3df26c0a1e3ad198b87131c46065861ab28dc5ba88475d2f9874c76becc825cf

          SHA512

          84bcf297f5163c0e4095d28c63df53944652ef2ec5234e521a77a92f953b8104a42fc3b8f0ee167c1ca25369c39c4f9b9e5c53908ecd265d7244fe3c4e93e36c

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

          Filesize

          601KB

          MD5

          d91dfa8e4aa6a584ff8c660b727a8f49

          SHA1

          9b43631b8f31bd2d563f8cf57081153de1c07791

          SHA256

          2b9b239d9825465b5f79c197c553242adf38b9bdb66d6677f59900df811dab7d

          SHA512

          370145c1d1497d4e26e8b691a4b55d55c8806f4309aabdcc127fbce69eeade8b68dba5a996268e096cf65792fbab26b978550a0a9ddb2a4bb8e631934b46dc90

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

          Filesize

          478KB

          MD5

          7d02ce65078275c7695fbb416561b2d7

          SHA1

          0c1b2e310373d9e420d0e9197e7d28ae2c8bb348

          SHA256

          8361cffdedd63438e6c13d51bb8d8e6ad0a47665a7380e3311ce6945a501b0ae

          SHA512

          be375ca2b76a339849f3b26bd40767658cdd343e4286b43de69bfd2ce3f9e1b7ba1d8d1c86b65b3926ddc43e6740e3f222bbd8fcf83c2cdfa93409f2ec44c26b

        • F:\$RECYCLE.BIN\S-1-5-21-3350690463-3549324357-1323838019-1000\_desktop.ini

          Filesize

          9B

          MD5

          35dff1b2d2822022424940d4487e8d0d

          SHA1

          cf3c5e0326ffacd39689a35b566c8d3c626cc96b

          SHA256

          0432a628b4273444218f05d7d906b391ab84e1d51bc1b084c37456324e0f84ae

          SHA512

          91c1e3f5497c8c249e695b9e6f844f141b8747d5d1c5d23d09a2e39aae974cfcfe26b6a4580904b87aa495d452df942937fd721ff8189016a59f61c0835e1665

        • memory/1172-0-0x0000000000400000-0x000000000043F000-memory.dmp

          Filesize

          252KB

        • memory/1172-3-0x0000000000400000-0x000000000043F000-memory.dmp

          Filesize

          252KB

        • memory/1172-826-0x0000000000400000-0x000000000043F000-memory.dmp

          Filesize

          252KB

        • memory/1172-2596-0x0000000000400000-0x000000000043F000-memory.dmp

          Filesize

          252KB

        • memory/1172-3211-0x0000000000400000-0x000000000043F000-memory.dmp

          Filesize

          252KB

        • memory/1172-5453-0x0000000000400000-0x000000000043F000-memory.dmp

          Filesize

          252KB

        • memory/1172-8528-0x0000000000400000-0x000000000043F000-memory.dmp

          Filesize

          252KB