Analysis

  • max time kernel
    149s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    14-09-2024 23:24

General

  • Target

    da277dbbb9a83da7d03b2abe2462ebf9ed606a64a7dc4ce3a425b7b939f9b17f.exe

  • Size

    264KB

  • MD5

    c31ac8f84f6cab4e929a81f98b942085

  • SHA1

    7a1410de4243ac6b8216a4a78bf062b5d69fb5d9

  • SHA256

    da277dbbb9a83da7d03b2abe2462ebf9ed606a64a7dc4ce3a425b7b939f9b17f

  • SHA512

    a261103e2cad90a075f0b8d4f3db08e42c4b157a34e815ce4b66ce2894e7bdcf1c3f1b6f4f9e0f0e38b773255ea3752a929d39c750b6af72fa5c37ad0ec24066

  • SSDEEP

    1536:21psrz8GvnGxILFkbeumIkA39xSZW175V7UZQJ0UjsWpcdVO4Mqg+aJRaCAd1uhg:2G8a4LRkgUA1nQZwFGVO4Mqg+WDY

Malware Config

Signatures

  • 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 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
  • 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 43 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1196
      • C:\Users\Admin\AppData\Local\Temp\da277dbbb9a83da7d03b2abe2462ebf9ed606a64a7dc4ce3a425b7b939f9b17f.exe
        "C:\Users\Admin\AppData\Local\Temp\da277dbbb9a83da7d03b2abe2462ebf9ed606a64a7dc4ce3a425b7b939f9b17f.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2268
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2680
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2764
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$aECFE.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2712
          • C:\Users\Admin\AppData\Local\Temp\da277dbbb9a83da7d03b2abe2462ebf9ed606a64a7dc4ce3a425b7b939f9b17f.exe
            "C:\Users\Admin\AppData\Local\Temp\da277dbbb9a83da7d03b2abe2462ebf9ed606a64a7dc4ce3a425b7b939f9b17f.exe"
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:2548
        • 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:2588
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2716
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2772
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2624
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:3068

    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

      c675787d39d28189dd17754b10c3ec6a

      SHA1

      fbc251c2e8ad1f24a88e68a5a91342c5cc2c1767

      SHA256

      dadd29307939194301fdeecca0711355aab55bb6792b5694545391e3adc96328

      SHA512

      05247491b1be100571f619e86ee277d3c19fc573ac0a3ae75f6de8ef8e79ee77747aca8d5a60a406d40513f83c0edbdfe5da6842f67222f28e98784e20e94ca0

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

      Filesize

      478KB

      MD5

      8ef1a94c2988444c9d5d6c36a63765d3

      SHA1

      d566ce1693e16fd605afcf2c5ea87af57af56197

      SHA256

      ab3dfdf37c3eaae2dbeb15b4e6be3659187e8e3613450664160702c787cf1623

      SHA512

      991fc8c061d831e96f6e061ec85f6d5c2aa7e7380a949bd04193ef6b0f8d495a462bf6b9bcafbd2893eefa0195bf4a191a923c36f4845e6f44a86be1e1ded45e

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

      Filesize

      722B

      MD5

      1da5b8c726bda016222813460341cb26

      SHA1

      fb8898d9f2c1074d69e836c8bf1f3a507a3f0a9d

      SHA256

      75a29687ee01b79b2ffc721700dea8a6a71beadfc9d7b97321038d9309b29af8

      SHA512

      0f72a24237bc6245aee922ec723fc6465863dcb9d28c3df6c946b360c3e2ff2c13da84a9c47e9994a43018b23b5bfe50a51fdc960ace7a30b266054ccccb287c

    • C:\Users\Admin\AppData\Local\Temp\da277dbbb9a83da7d03b2abe2462ebf9ed606a64a7dc4ce3a425b7b939f9b17f.exe.exe

      Filesize

      231KB

      MD5

      6f581a41167d2d484fcba20e6fc3c39a

      SHA1

      d48de48d24101b9baaa24f674066577e38e6b75c

      SHA256

      3eb8d53778eab9fb13b4c97aeab56e4bad2a6ea3748d342f22eaf4d7aa3185a7

      SHA512

      e1177b6cea89445d58307b3327c78909adff225497f9abb8de571cdd114b547a8f515ec3ab038b583bf752a085b231f6329d6ca82fbe6be8a58cd97a1dbaf0f6

    • C:\Windows\Logo1_.exe

      Filesize

      33KB

      MD5

      775b5b764d666c3f5bbe02f1169bf91f

      SHA1

      212e1d0ce212d41757d153b51c569a7451f3dea5

      SHA256

      05d7bcc1d42cf80c469164afef0f3470b3745027ce78c77b972cde2b3da6b972

      SHA512

      14d015b5fd7337eeaaa47392d38db74a0b8bdbe9efb58f10afea74ac54e140ad51026166dc290afd412de261c27d4c1c6f85050bd665ff072394811110d87b3a

    • F:\$RECYCLE.BIN\S-1-5-21-1846800975-3917212583-2893086201-1000\_desktop.ini

      Filesize

      9B

      MD5

      e2a14c19421b289cbd51a76363b166bd

      SHA1

      5d0621d68da5a444f49c090b0725c7044d47fdb7

      SHA256

      844af243be560dc4e478aa7ea28f4959f9df45f204006bade7ae52398d651835

      SHA512

      8c49bec05605c4d2b8f07f00a7a39e70f5bd4f7c84ba221c615447f947053bf3bb0496c38e2bf8b15235c493cc5a0b41f34285fed1adb4c13572f25b67e178e5

    • memory/1196-28-0x0000000002E80000-0x0000000002E81000-memory.dmp

      Filesize

      4KB

    • memory/2268-17-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2268-0-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2268-18-0x00000000003B0000-0x00000000003F0000-memory.dmp

      Filesize

      256KB

    • memory/2588-32-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2588-2963-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2588-19-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2588-4157-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB