Analysis

  • max time kernel
    149s
  • max time network
    107s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/10/2024, 09:19

General

  • Target

    b2ce8578ed26637b7ca40e810aec6e90e7353c0408e0aa74e1a435577c97847d.exe

  • Size

    599KB

  • MD5

    04417b927fecf01e5ddf04980d771984

  • SHA1

    857210ab318d24615a1b5fbb325cbc1add42b644

  • SHA256

    b2ce8578ed26637b7ca40e810aec6e90e7353c0408e0aa74e1a435577c97847d

  • SHA512

    18ae5c5bb8d221254275e3bfb708ac08e96e3be83cdb0ed413f96b738fc50832cadaaea3b88cfa4c26b75e9619106a7e480fdc313afd085fcfd3c96e77a645e3

  • SSDEEP

    12288:L3NbtfN423weiwbjCRP33GYdGffjLFdtODEff/tKRL:L3NxFLweOkfrL/tOD2E9

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 10 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3416
      • C:\Users\Admin\AppData\Local\Temp\b2ce8578ed26637b7ca40e810aec6e90e7353c0408e0aa74e1a435577c97847d.exe
        "C:\Users\Admin\AppData\Local\Temp\b2ce8578ed26637b7ca40e810aec6e90e7353c0408e0aa74e1a435577c97847d.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2920
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:224
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:1048
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a6C75.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3520
          • C:\Users\Admin\AppData\Local\Temp\b2ce8578ed26637b7ca40e810aec6e90e7353c0408e0aa74e1a435577c97847d.exe
            "C:\Users\Admin\AppData\Local\Temp\b2ce8578ed26637b7ca40e810aec6e90e7353c0408e0aa74e1a435577c97847d.exe"
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:4864
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Drops file in Drivers directory
          • Drops startup file
          • Executes dropped EXE
          • 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:3860
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4484
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4236
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1092
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:644

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe

            Filesize

            251KB

            MD5

            59a5e0ea013b1ea71b76e9adb890e15e

            SHA1

            b83d729aa847693e3f39ad62d290a7c232d05d24

            SHA256

            3d9b2ca31b24aa71073714dbbda9632ab5d3910f8e13e09c7474d647d5c8d730

            SHA512

            87020d9166ffaf01087fab14a3918a750fa5804c2ff2595f703e99675035eef79534792de69022ee57bf3c6e8ecabff468f96d07ad3ab0278fcdb6e6521a0474

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

            Filesize

            577KB

            MD5

            02637950c038f95c59c1f51669800cf9

            SHA1

            087ad5655f336722492ff2bf1d838ad44491b616

            SHA256

            ac063b862549c1b05c42a47606aabb93dd2bd733596bf6ce67b3cad558ca0df0

            SHA512

            9bb6101071926791edebe47887a5e0739b695f01e9d90176b74f3f0321994da8ee37a8666b1ee241136a543c24eaf0378bec51ad28fa3c34e2dbf1e24e25edce

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

            Filesize

            644KB

            MD5

            51c1eb02821359551eae62ff451ccbb4

            SHA1

            917e11eb8a26a033a330a9cee5c5207d0da1109a

            SHA256

            9afbb3fd781ea931d8bc856c768fe7af7e440e9f7a29950b5dca44593f0ef04f

            SHA512

            062f0c32d3d9b46fc670512a818c88919bcc90a2f7f5bd4910f917a96c42527fd6c28117c366cb66cd6bfa3ec64f5a43aadcaa4bdad01c8d45eb2bfe2c85f5ee

          • C:\Users\Admin\AppData\Local\Temp\$$a6C75.bat

            Filesize

            722B

            MD5

            7f68035914540faa5a662565289fe432

            SHA1

            bd44a67e1556a0b035d6a9e53429e99285624ff2

            SHA256

            92ddec6f723d8968455ba0e4dbf54c64f55614c3947213f595b20d89e7eccd8d

            SHA512

            e649ae072d6fdd985b991d864c28a8aed5d1ac4f64750d2ff72bd6175ddcd2592abc79406de0a56e9f07d2d5560da3789441b99cc9c4fc655121332727193ead

          • C:\Users\Admin\AppData\Local\Temp\b2ce8578ed26637b7ca40e810aec6e90e7353c0408e0aa74e1a435577c97847d.exe.exe

            Filesize

            565KB

            MD5

            6677b6017e5d470cf99ef60d1802bccc

            SHA1

            2db730b0e0fecc40daa7bb71ea849db42aed066a

            SHA256

            4b18f6bbf232545f3ebe0ebb92ab5a3a7aaf6f3d49b754b29712cce013418576

            SHA512

            950c68bf646ef2ad7e3b9c363948fe9b732faea6e30108ff934a7a2c6a6373d9121ede15c5ca5c87292bdf8bf1d04ee4c27b73cca9f21a7d6320fc0b2ed5e0d4

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            661b4e1450972a16271f168aa4178ea6

            SHA1

            662406623e4e104984785be7aba37217a905c07c

            SHA256

            2da7ea8229edefac78402fee509ec1152315b6027878829480085315b6eabaf7

            SHA512

            57d6e1189c8ad8f6af2c7b1131ab3596c8ab98174aaae849e9b0ce04ac90d3845510d814bd9d3aebe49befa4d6ab28dc33bf62ee020daedb153b550f9cca1298

          • C:\Windows\system32\drivers\etc\hosts

            Filesize

            842B

            MD5

            6f4adf207ef402d9ef40c6aa52ffd245

            SHA1

            4b05b495619c643f02e278dede8f5b1392555a57

            SHA256

            d9704dab05e988be3e5e7b7c020bb9814906d11bb9c31ad80d4ed1316f6bc94e

            SHA512

            a6306bd200a26ea78192ae5b00cc49cfab3fba025fe7233709a4e62db0f9ed60030dce22b34afe57aad86a098c9a8c44e080cedc43227cb87ef4690baec35b47

          • F:\$RECYCLE.BIN\S-1-5-21-493223053-2004649691-1575712786-1000\_desktop.ini

            Filesize

            10B

            MD5

            dce9bef24921d1fb94c029be04b911db

            SHA1

            d5ff43d520d5df3ee58c947db0b2ac3a039667b6

            SHA256

            c09fceb912fc9cf0f284d9d24ab0029af67d3a3bf08b81d9c0d8a7681b82c157

            SHA512

            cefdb984819b6b058b8d7747c2a9a74c94f6acf2728e884520154f2ffe42776f19b5a5b22b43b61acbb679acefb8489318c7be92e360a3b239ffaae445d6d97b

          • memory/2920-0-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2920-12-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/3860-21-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/3860-3719-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/3860-9-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/3860-8842-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB