Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-04-2024 19:58

General

  • Target

    1999e484b85a43254eb5c7ce1a8e0a8bbaf27502c55613df58f7f48b4f41ab35.exe

  • Size

    33KB

  • MD5

    b59d8960d516dd1c8af90e16e9b32606

  • SHA1

    324f6305151e613b528ec016c57d4fb17d6c2743

  • SHA256

    1999e484b85a43254eb5c7ce1a8e0a8bbaf27502c55613df58f7f48b4f41ab35

  • SHA512

    07d576132e937b630b066b16b45ae4ebe7b4b7c941b774c61423a32d03a8e11709929f1b837ef08378e1502deed0abeb49e6523f728a32f303ae8976d61a6b78

  • SSDEEP

    768:AZZZZZZZZZZZZZZHO5RroZJ767395uINH2iTQKvFrQ2XKxgkQe:ADe+Zk77RNH2iT919XKKkQe

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:3440
      • C:\Users\Admin\AppData\Local\Temp\1999e484b85a43254eb5c7ce1a8e0a8bbaf27502c55613df58f7f48b4f41ab35.exe
        "C:\Users\Admin\AppData\Local\Temp\1999e484b85a43254eb5c7ce1a8e0a8bbaf27502c55613df58f7f48b4f41ab35.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:2748
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4888
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:3232
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:3604
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              4⤵
                PID:1520

        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

          283f68a6ebd27193167b0d393e0854c1

          SHA1

          69e7e2be3615cda7f36ea083f8a0ab7bee51bdbf

          SHA256

          1ea60a85ed4901ceb24b582d53251a8a4565fe7baa5fa3b61bdbdd8152bd93bf

          SHA512

          2ab41536a69db38af5ec16f82bf633eec88797733654bdee5c3ec098839806106934e67f9390c1c4b5702094ae7ba6adf32896a4c7d4d095c3b2d2c8559d6350

        • C:\Program Files\dotnet\dotnet.exe

          Filesize

          171KB

          MD5

          38a1e97d7187fdc11589e5e15a8fc4fc

          SHA1

          c517b9ee6f5e30759c0b6ce4daf4a15e0463a9cf

          SHA256

          0aa10f34fd6e443727817f49157b78f01860247c8b9e02c29e09b80e8272b61b

          SHA512

          02bae4826fda6d6fc9bbd69c34372705707513a2409ff8d7b61afffd6787952ab81c39cad257b26d60758de6a9275c8d17711763ec4225315fb875b7c899283c

        • C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe

          Filesize

          488KB

          MD5

          c990d863ba6bead31194a4d94ea65a1a

          SHA1

          9425bf1710eb26690cd8151ba6a3e292fd7f3814

          SHA256

          56912c50f21ad52af2fd4e0062ea113de7971e8123ec86e761791c06b76a5a9c

          SHA512

          b912641772efd0fd89fbacdd162350b5c933b541a64e9287ec729b777e668f0dd4d8ec6747eb095f5e4dc8d7c2b1e59ad542add5db21864181af221fa0d18196

        • F:\$RECYCLE.BIN\S-1-5-21-983155329-280873152-1838004294-1000\_desktop.ini

          Filesize

          8B

          MD5

          331b730a7f1adbf1f0bc05e0c610f0f1

          SHA1

          2f2283f84f040fbd4ecf99055026b70bb3b732ec

          SHA256

          2d3dbb80989e5cc7ef9ef800cc986bb8dccf4ca1f78437040bccd59312a55593

          SHA512

          16790117c382e66c8af2932ed0c37229ae5ee6b8bbaa8bd4e3f9afed6e07cd89c5807c81145f19f561ab714d844826cf6099a6dc97d84fa3f9da5e763bcc78c4

        • memory/2748-0-0x0000000000400000-0x000000000043F000-memory.dmp

          Filesize

          252KB

        • memory/2748-3-0x0000000000400000-0x000000000043F000-memory.dmp

          Filesize

          252KB

        • memory/2748-3029-0x0000000000400000-0x000000000043F000-memory.dmp

          Filesize

          252KB

        • memory/2748-8639-0x0000000000400000-0x000000000043F000-memory.dmp

          Filesize

          252KB