Analysis

  • max time kernel
    150s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/05/2024, 14:18

General

  • Target

    323ddab5b4de87a4ab87adad956ea90ef1d5f8c5274961f98fe63600da0646c1.exe

  • Size

    491KB

  • MD5

    90e617b3cb538bdbebb67d1acb928fd2

  • SHA1

    1d21aa75aef945020c81a487e85f11b42a5780e1

  • SHA256

    323ddab5b4de87a4ab87adad956ea90ef1d5f8c5274961f98fe63600da0646c1

  • SHA512

    b5c2b80566046eabfee7e64f4773db78674a3abae013ecbfaff9ccbeb418a4f65e06553cd541ce6585cdc5ee956f41775d171161c5a9a0833f7d3d486bfa32bd

  • SSDEEP

    12288:IKI1quIf1gL5pRTcAkS/3hzN8qE43fm78V:DI1q45jcAkSYqyE

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:3508
      • C:\Users\Admin\AppData\Local\Temp\323ddab5b4de87a4ab87adad956ea90ef1d5f8c5274961f98fe63600da0646c1.exe
        "C:\Users\Admin\AppData\Local\Temp\323ddab5b4de87a4ab87adad956ea90ef1d5f8c5274961f98fe63600da0646c1.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1112
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3492
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:4668
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a41CC.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:436
            • C:\Users\Admin\AppData\Local\Temp\323ddab5b4de87a4ab87adad956ea90ef1d5f8c5274961f98fe63600da0646c1.exe
              "C:\Users\Admin\AppData\Local\Temp\323ddab5b4de87a4ab87adad956ea90ef1d5f8c5274961f98fe63600da0646c1.exe"
              4⤵
              • Executes dropped EXE
              PID:3540
          • 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:1104
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:1392
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:3964
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:1072
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2188

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Program Files\SaveHide.exe

                  Filesize

                  640KB

                  MD5

                  2b4f73c1c4e288b5c4c3f9a4e7e36992

                  SHA1

                  6149ba64f90048f9e39b9235844a8f0e9f7b67bc

                  SHA256

                  2c0adf06cca43f785ed84c82573919e51c612f1ec6df57d4f5945a56e6f909b4

                  SHA512

                  ba257de06ee25e012079602b978e40ef689f26ce664b5b60206fe5e9a3e5ee300853f96cc0bd084e331591509dfaa93fbdc0e3f2beffa1c086a0f54d496f44c2

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

                  Filesize

                  643KB

                  MD5

                  409182603becc55c541434f07d1d7cf1

                  SHA1

                  ccc8cd6353f58ef04cd0f31513643872aa55f7b8

                  SHA256

                  1a54b69a041e9608d050ed76a68f4a30a007850d9879d31eb78c3046d3a5735d

                  SHA512

                  89802ff33990769e172559e297dff5a7ee0675f14c3424bf947353044a6c2187fd138dbe993112415815e237e7788de463f8a5819fcfd23232bc301514a0e72f

                • C:\Users\Admin\AppData\Local\Temp\$$a41CC.bat

                  Filesize

                  722B

                  MD5

                  1fc1a435b3499d7e6d775f8427d818de

                  SHA1

                  3d7f0c23dfb655d5daf9970b5a5e8dc79c8dfc91

                  SHA256

                  18912b90c242dc05d919dfbfa6c7ec03b7a4b6b92e37ec0c384e6645bd1c36c6

                  SHA512

                  40595d817e8a9951b5943842559b636d39923fe4ac4fbe712f03cd1e49a36cf4ff86a784e4b76c7f4345dd90d90543e414c3c1f0c480dc82b970358053bd1419

                • C:\Users\Admin\AppData\Local\Temp\323ddab5b4de87a4ab87adad956ea90ef1d5f8c5274961f98fe63600da0646c1.exe.exe

                  Filesize

                  458KB

                  MD5

                  619f7135621b50fd1900ff24aade1524

                  SHA1

                  6c7ea8bbd435163ae3945cbef30ef6b9872a4591

                  SHA256

                  344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2

                  SHA512

                  2c7293c084d09bc2e3ae2d066dd7b331c810d9e2eeca8b236a8e87fdeb18e877b948747d3491fcaff245816507685250bd35f984c67a43b29b0ae31ecb2bd628

                • C:\Windows\Logo1_.exe

                  Filesize

                  33KB

                  MD5

                  dbaeead00c5f2c719ea726ce5d681465

                  SHA1

                  d9bb3c9a2747bb4625f265d46f48722ef88271c7

                  SHA256

                  ccb9ee55ad02f5fda55d5b0e8c06e4071fe895b47d622ebc24a79d7c87d3e1a8

                  SHA512

                  1526d4e26278f1225a07fdf935de1d7364638af5b77473d2ec97316edf53cc89c4482c496d4b9c7009ee9d969429e9251057a1664ceb0ebda1aef16c703ffa95

                • F:\$RECYCLE.BIN\S-1-5-21-877519540-908060166-1852957295-1000\_desktop.ini

                  Filesize

                  8B

                  MD5

                  1b16d2dbd4281ce4e4e5729c608dcb0b

                  SHA1

                  851e624080ba5598edb808d4b30fe2d74999ce18

                  SHA256

                  c9e46fb51d0588ca1e48ca66731e11992770b9b74a982f9bdbb6ce5b5b75d549

                  SHA512

                  cd1c4cf7c7871cb48ce735226b25f689b340037e6c992441e566161de7fca7410762d1a0c2670ee4b6546f7ee854d3219e0e2315c3e0387d9bbe3f08076b5a59

                • memory/1104-11-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/1104-18-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/1104-5181-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/1104-8733-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/1112-0-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/1112-10-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB