Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    31-10-2024 08:14

General

  • Target

    465fc53fb7406b640565287a6c9b253ec523c4c1ac0e31b7d270b9e1959777c4.exe

  • Size

    1.6MB

  • MD5

    1606310132423f317a90ee2a01f048e9

  • SHA1

    3a934793eaba1a632fab519a9f58ee2d1d6ebf7e

  • SHA256

    465fc53fb7406b640565287a6c9b253ec523c4c1ac0e31b7d270b9e1959777c4

  • SHA512

    f6e6a8194fb0b6cbefc457db1b1f26461a6d4c8dda4c01b45ef82cf7749cc89a9f6c1978244e15794c59b4b618567994c4f8a27ffec8fa99f4e6c6335ecad9fc

  • SSDEEP

    24576:77jjJRtwhWDEXmJFnJjw8a4HXz9iAQEqAm4Duiw60GFkgDLJrWBvO0yjm0n:777b9D9iiqAHJwFgDLJrwvo

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 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 10 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1192
      • C:\Users\Admin\AppData\Local\Temp\465fc53fb7406b640565287a6c9b253ec523c4c1ac0e31b7d270b9e1959777c4.exe
        "C:\Users\Admin\AppData\Local\Temp\465fc53fb7406b640565287a6c9b253ec523c4c1ac0e31b7d270b9e1959777c4.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2324
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a9627.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2488
          • C:\Users\Admin\AppData\Local\Temp\465fc53fb7406b640565287a6c9b253ec523c4c1ac0e31b7d270b9e1959777c4.exe
            "C:\Users\Admin\AppData\Local\Temp\465fc53fb7406b640565287a6c9b253ec523c4c1ac0e31b7d270b9e1959777c4.exe"
            4⤵
            • Executes dropped EXE
            • Writes to the Master Boot Record (MBR)
            • System Location Discovery: System Language Discovery
            PID:2240
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • 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:2452
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2496
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:1920

    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

      251KB

      MD5

      3d1572bb8bd0f47c8bae09ad1cd6d327

      SHA1

      1200b1b3f2404dcef74dfcf8affde5b605bc9114

      SHA256

      60aa8a96919888258a3b10447d91f4f83993e7fefbf9c7e32b21124c1cdfd262

      SHA512

      d7b7b18682e5f58e72b9d3a27c2d334c3db00e44a6b1faf1a765390356e8b20e69e4189e95487e56c3aca2710d761fecc069d764e73b64ea4ae6229f3460f9b0

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

      Filesize

      471KB

      MD5

      4cfdb20b04aa239d6f9e83084d5d0a77

      SHA1

      f22863e04cc1fd4435f785993ede165bd8245ac6

      SHA256

      30ed17ca6ae530e8bf002bcef6048f94dba4b3b10252308147031f5c86ace1b9

      SHA512

      35b4c2f68a7caa45f2bb14b168947e06831f358e191478a6659b49f30ca6f538dc910fe6067448d5d8af4cb8558825d70f94d4bd67709aee414b2be37d49be86

    • C:\Users\Admin\AppData\Local\Temp\$$a9627.bat

      Filesize

      722B

      MD5

      0c6de7fefeb170faf3f4eaae51a5c7e8

      SHA1

      c187e84d8d27217b0f7ef3dd2080bc724803dc9b

      SHA256

      7da006b0f96f7774b0b17cadcf454e3bd4945a4a747469f3f171ac18f7517971

      SHA512

      6cc5e5f2e7544ad9533c32367b76cec2bfb4e2fec1cc8e5aa11b45cd236418c81ac7cd6c5848b55131bad9dd7ef871cfa7cbb5b9fe83920dc96bbb2f616611af

    • C:\Users\Admin\AppData\Local\Temp\465fc53fb7406b640565287a6c9b253ec523c4c1ac0e31b7d270b9e1959777c4.exe.exe

      Filesize

      1.6MB

      MD5

      dbef7929df17f21ec8427c6a5a98ca25

      SHA1

      7d059084c088f472db8e4e35f47082c4e18654cd

      SHA256

      66b0229295b9798d15a2e3d69cf59d021e26268c33bc5876a6cfe32f2e79f8b2

      SHA512

      01cafbe6c31a1666101d89cec8a7c7645fa0cc7656a7296f5dcaf63f6f3cca915d14d525d1aac4d49aa778c404882d98bdffec7f4a77fcce382f088b12a934b3

    • C:\Windows\rundl132.exe

      Filesize

      26KB

      MD5

      0a9fcb5422705ccc52b97a0f291ad9bc

      SHA1

      1464f8724a42524e5dc47483eb6288e9c34fec22

      SHA256

      85272876bcd6492a6bb54bfc95d2c4dc6d8cbee27dc11f7a60cad6620954a933

      SHA512

      f719785fecf4087ebd2ca0ff8ade00136472ab2b41dedcf3a9ecbb902f669c7449b395d0c92a9c2e6514dc48447c9eafaa54baf667f0050c42d212a08e632c3b

    • F:\$RECYCLE.BIN\S-1-5-21-2039016743-699959520-214465309-1000\_desktop.ini

      Filesize

      10B

      MD5

      688d58fa5756a393f9472937ef284c25

      SHA1

      18ee07a5ee8de4fbd046763cd4a55ef2e6c3f808

      SHA256

      e21f27bdf2d90c77d75658b5217d5af4519a6c1bfc326a109eb4a085a2b83302

      SHA512

      c84930eb323c71ffc1edac543a2f60e366de40b39a88b18dba09c1272fae0b12262f4fae496bc9546598507fc37729d829f93b101bbec4739a05be33e0010a3f

    • memory/1192-31-0x0000000002E10000-0x0000000002E11000-memory.dmp

      Filesize

      4KB

    • memory/2324-18-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2324-12-0x0000000000220000-0x0000000000254000-memory.dmp

      Filesize

      208KB

    • memory/2324-17-0x0000000000220000-0x0000000000254000-memory.dmp

      Filesize

      208KB

    • memory/2324-0-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2452-33-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2452-40-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2452-46-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2452-92-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2452-99-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2452-313-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2452-1875-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2452-3335-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2452-20-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB