Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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
  • Deletes itself 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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 44 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1192
      • 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:2520
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2576
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:316
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a97CD.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1824
          • 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 behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2908
        • 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:1656
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2772
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2904
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3016
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2668

    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

      5d24aad0c87b50d8e77e84f7af6cf672

      SHA1

      e57fd1fa449180ad586fd2ebe33a6fae589dd2bd

      SHA256

      2177e7aaec2da47900f89fac0e3c894d182a4b53e59b8f6195b89fa03a82fde2

      SHA512

      f4539922a0a20488c788eed63b1c600b4e0e258b754d25dace389fbd5750be727af94bbaf8bc0b2b8ad557ecec4dae06314a6ce2a0f2a99371c9696089cc43a2

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

      Filesize

      478KB

      MD5

      0a2f7bc5d2f3b1abbf852f12ac72d39f

      SHA1

      3ed5d15e03f4a79247638844b8e938794445bfde

      SHA256

      c2eadf7bc1b2c55782d5307c4bfdc59f4c900494b9a624e199c675b582a13d7c

      SHA512

      8c47195b5c79359b6e7c5088d1a2c757ce6a1f16dd61c4c4d0bb7baafba4135c7a64541ce7a3af55b65f83af3df2677ff6f63f9c80fdfb1f7696d54c4609d63d

    • C:\Users\Admin\AppData\Local\Temp\$$a97CD.bat

      Filesize

      722B

      MD5

      fdca3e12e180c7a44446eed287c6aed3

      SHA1

      ec482249b0ce83c1e8ff8dcbb88f9e5e81f5cd0d

      SHA256

      cb491893ffd5709cb5f761d20c40b1c8dbde7ff64cab96f2496cf7aa08f48cb9

      SHA512

      da15527d449e33cc3b8007eb8cfac0f482c07ae997938aca714ef04344502511c89155285c020ebdbd4a3c3fbafb8432b59b7ef33d62f95f7de2bd6d23b48d7d

    • 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

      832B

      MD5

      7e3a0edd0c6cd8316f4b6c159d5167a1

      SHA1

      753428b4736ffb2c9e3eb50f89255b212768c55a

      SHA256

      1965854dfa54c72529c88c7d9f41fa31b4140cad04cf03d3f0f2e7601fcbdc6c

      SHA512

      9c68f7f72dfa109fcfba6472a1cced85bc6c2a5481232c6d1d039c88b2f65fb86070aeb26ac23e420c6255daca02ea6e698892f7670298d2c4f741b9e9415c7f

    • F:\$RECYCLE.BIN\S-1-5-21-3290804112-2823094203-3137964600-1000\_desktop.ini

      Filesize

      10B

      MD5

      dce9bef24921d1fb94c029be04b911db

      SHA1

      d5ff43d520d5df3ee58c947db0b2ac3a039667b6

      SHA256

      c09fceb912fc9cf0f284d9d24ab0029af67d3a3bf08b81d9c0d8a7681b82c157

      SHA512

      cefdb984819b6b058b8d7747c2a9a74c94f6acf2728e884520154f2ffe42776f19b5a5b22b43b61acbb679acefb8489318c7be92e360a3b239ffaae445d6d97b

    • memory/1192-31-0x0000000002DF0000-0x0000000002DF1000-memory.dmp

      Filesize

      4KB

    • memory/1656-38-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/1656-4161-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/1656-3306-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/1656-18-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2520-0-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2520-23-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2520-19-0x0000000000870000-0x00000000008AE000-memory.dmp

      Filesize

      248KB

    • memory/2520-17-0x0000000000870000-0x00000000008AE000-memory.dmp

      Filesize

      248KB

    • memory/2908-37-0x0000000000660000-0x000000000069E000-memory.dmp

      Filesize

      248KB

    • memory/2908-36-0x0000000000660000-0x000000000069E000-memory.dmp

      Filesize

      248KB

    • memory/2908-35-0x0000000000660000-0x000000000069E000-memory.dmp

      Filesize

      248KB