Analysis

  • max time kernel
    149s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    26-10-2024 04:22

General

  • Target

    ec479b359747438266f75f97bb50b916d0f27d607e3dd40d8871c299a43cba4e.exe

  • Size

    488KB

  • MD5

    de4f99d33c3138d156d2227d1b33c300

  • SHA1

    539dffd0a2747a2476194ea4622ce811b777d2c9

  • SHA256

    ec479b359747438266f75f97bb50b916d0f27d607e3dd40d8871c299a43cba4e

  • SHA512

    4db6e5810373d94603df13bbac362ef5e0d76a5b5400aac1d3d132706058fd69b58b5423ecfd811efe2f925d91fdf137b5a009b6d22a0a8d5fbcf9e300d3b7e0

  • SSDEEP

    12288:CX1m03qIOkU8AMXE9B7PElZlP41N+4PUWfo:o1meBOkUhMXcBwc04nA

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 11 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 43 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1200
      • C:\Users\Admin\AppData\Local\Temp\ec479b359747438266f75f97bb50b916d0f27d607e3dd40d8871c299a43cba4e.exe
        "C:\Users\Admin\AppData\Local\Temp\ec479b359747438266f75f97bb50b916d0f27d607e3dd40d8871c299a43cba4e.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3052
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1824
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2072
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a23D6.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2848
          • C:\Users\Admin\AppData\Local\Temp\ec479b359747438266f75f97bb50b916d0f27d607e3dd40d8871c299a43cba4e.exe
            "C:\Users\Admin\AppData\Local\Temp\ec479b359747438266f75f97bb50b916d0f27d607e3dd40d8871c299a43cba4e.exe"
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2972
            • C:\Users\Admin\AppData\Local\Temp\ec479b359747438266f75f97bb50b916d0f27d607e3dd40d8871c299a43cba4e.exe
              "C:\Users\Admin\AppData\Local\Temp\ec479b359747438266f75f97bb50b916d0f27d607e3dd40d8871c299a43cba4e.exe" -burn.unelevated BurnPipe.{BB4368DF-C969-4901-A263-66C86651B7BE} {6E737B87-834A-4687-946E-190C6731BF8C} 2972
              5⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              PID:2816
        • 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
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2880
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2988
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2888
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3068
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:1612

    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

      dd5f511ac42d9719d30a69ad45d2efd4

      SHA1

      6a74d19c5f70b2950a01f54d6526ed1e1db4dd42

      SHA256

      b209a195049e7e6704c77e5856589ab1a257bb70f6457099a5a39cd9531d81bb

      SHA512

      f1aae77e9af1cccdd44936477504d7d1e92a093b9755d555eaa1510f66e5ed4e96b25c7a8b6f2cb79bd39537d1aae368d6af0176be563885ef61d4e7d752ffaa

    • C:\Users\Admin\AppData\Local\Temp\$$a23D6.bat

      Filesize

      722B

      MD5

      a57dce8cdf720faae68f74bec1501b1f

      SHA1

      14b2c3db472d25d134c77d7dda654f963cb2f9b8

      SHA256

      8eb6a3c899db46f9fb4febd592517e4c859b9b0759133843252c4093e114d6cf

      SHA512

      6cf20d2e8fb45c329c16bef63320543e34f68e4c0eec06fcd53cdc7ec9f09e8ea8622de7d99d4a8c6a280ce1eb451bd93c01f4f6912c454f6dd7385bb5447025

    • C:\Users\Admin\AppData\Local\Temp\ec479b359747438266f75f97bb50b916d0f27d607e3dd40d8871c299a43cba4e.exe.exe

      Filesize

      455KB

      MD5

      6503c081f51457300e9bdef49253b867

      SHA1

      9313190893fdb4b732a5890845bd2337ea05366e

      SHA256

      5ebba234b1d2ff66d4797e2334f97e0ed38f066df15403db241ca9feb92730ea

      SHA512

      4477dbcee202971973786d62a8c22f889ea1f95b76a7279f0f11c315216d7e0f9e57018eabf2cf09fda0b58cae2178c14dcb70e2dee7efd3705c8b857f9d3901

    • C:\Users\Admin\AppData\Local\Temp\{61087a79-ac85-455c-934d-1fa22cc64f36}\.ba1\logo.png

      Filesize

      1KB

      MD5

      d6bd210f227442b3362493d046cea233

      SHA1

      ff286ac8370fc655aea0ef35e9cf0bfcb6d698de

      SHA256

      335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef

      SHA512

      464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b

    • C:\Windows\Logo1_.exe

      Filesize

      33KB

      MD5

      dd7de04b7104a93e35fb3a577b5b621b

      SHA1

      4d84ff8b82f359e1c303d9d68dda6dc503848ad6

      SHA256

      fc02df6a818f176e9499cda422291726b9e3d37d6e381dd5629295df031cde03

      SHA512

      569116a84fd5d09c06c4967d466de2f6a7be71b77edaa28bef11836d0eb5fa20eef5c9c415540a8f5f785cdbe0e059f21a835952b81ac97b5e620a52bf56a921

    • F:\$RECYCLE.BIN\S-1-5-21-3692679935-4019334568-335155002-1000\_desktop.ini

      Filesize

      10B

      MD5

      28a582403dbb209b6c5cb7bada9c918d

      SHA1

      db58560be63032a4cbd738d2d639e5bf764d6277

      SHA256

      b5a9fa3acde4d9499ea08a6d9ff193fc9cda57f04141f82d2422a4008f451200

      SHA512

      511b4d3886d671d01c66d2509b784a199e68a00f2597d311d8d0770f0b1030680136ee450343a8d6c4b51d9de8448bafdde44dc1a1c6e62bccde47d5af03fbae

    • \Users\Admin\AppData\Local\Temp\{61087a79-ac85-455c-934d-1fa22cc64f36}\.ba1\wixstdba.dll

      Filesize

      117KB

      MD5

      a52e5220efb60813b31a82d101a97dcb

      SHA1

      56e16e4df0944cb07e73a01301886644f062d79b

      SHA256

      e7c8e7edd9112137895820e789baaaeca41626b01fb99fede82968ddb66d02cf

      SHA512

      d6565ba18b5b9795d6bde3ef94d8f7cd77bf8bb69ba3fe7adefb80fc7c5d888cdfdc79238d86a0839846aea4a1e51fc0caed3d62f7054885e8b15fad9f6c654e

    • memory/1200-46-0x0000000002A90000-0x0000000002A91000-memory.dmp

      Filesize

      4KB

    • memory/2880-49-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2880-1235-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2880-18-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2880-3543-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2880-4122-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/3052-0-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/3052-16-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB