Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-10-2024 08:28

General

  • Target

    8a622c6c558dbb658e5ad9971c3d6f2653d03b296b556ca0f537f53710446fce.exe

  • Size

    52KB

  • MD5

    df3ab88785db8a5ad852ec20a3cfb1e5

  • SHA1

    5d79aa5c5c98b98748140f8febe9b82e3362bc9b

  • SHA256

    8a622c6c558dbb658e5ad9971c3d6f2653d03b296b556ca0f537f53710446fce

  • SHA512

    c0ef7fd7ffda0a23e2ae3d8730c868566b09d24f17637366921f421ce9cff1bb67ff3098fcde7c6dcb9daecfbfffeb1af94ef4b287afc7f90e9b929dc25077de

  • SSDEEP

    768:pa888qt16GVRu1yK9fMnJG2V9dHS85qgt6jpYU5ltbDrYiI0oPxWExI:pwr3SHuJV9NP6jWWvr78Pxc

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 5 IoCs
  • 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 5 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 25 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1236
      • C:\Users\Admin\AppData\Local\Temp\8a622c6c558dbb658e5ad9971c3d6f2653d03b296b556ca0f537f53710446fce.exe
        "C:\Users\Admin\AppData\Local\Temp\8a622c6c558dbb658e5ad9971c3d6f2653d03b296b556ca0f537f53710446fce.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2196
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$aC5A0.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2548
          • C:\Users\Admin\AppData\Local\Temp\8a622c6c558dbb658e5ad9971c3d6f2653d03b296b556ca0f537f53710446fce.exe
            "C:\Users\Admin\AppData\Local\Temp\8a622c6c558dbb658e5ad9971c3d6f2653d03b296b556ca0f537f53710446fce.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:2724
            • C:\Windows\system32\WerFault.exe
              C:\Windows\system32\WerFault.exe -u -p 2724 -s 124
              5⤵
              • Loads dropped DLL
              PID:2980
        • 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:3020
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2404
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2720

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

      Filesize

      254KB

      MD5

      bbcfaf53da8f61f12ef4971c82012725

      SHA1

      aeaa298203ea620123fd8c941fcbaae4eae509a0

      SHA256

      0638cc2e74c029520fec65c92bfce178b9355537bb383ba6f2d49d990ac9c803

      SHA512

      95cfca7806744accc9b4654cfb82458b7b482ac9842365fc0e4a069b6de20306f52d36bac66b2bade2f31815175d4a403ff230fc1918bf14301b3c361821a41e

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

      Filesize

      474KB

      MD5

      6eabc463f8025a7e6e65f38cba22f126

      SHA1

      3e430ee5ec01c5509ed750b88d3473e7990dfe95

      SHA256

      cc8da3ecd355b519d81415d279ed037c725ba221bf323d250aa92ee2b2b88ca7

      SHA512

      c8fde7026ac8633403bbefee4b044457184388fb7343d8c46f5f7f272724227976bf485ea91da49e2a85dd0cfb73f260ac705d8007333dd3e5539fe5ed67e3ab

    • C:\Users\Admin\AppData\Local\Temp\$$aC5A0.bat

      Filesize

      722B

      MD5

      4a95ad99d715d94ccd7cd245236029f0

      SHA1

      80d1f0634385f4eb526201331375ab62e535bc64

      SHA256

      9e4b3073d8b33eb4fc369fb7abf359f0a084867597adc8240ff688934c33c732

      SHA512

      86c2235f91575af2e31e541e2144224291a71cbcbd9fb38d6880ee2ee8c4b697ebe185a9ea400eb3ed4849beed5f7749b5502ba566ba4151a1e9e098e68badbc

    • C:\Users\Admin\AppData\Local\Temp\8a622c6c558dbb658e5ad9971c3d6f2653d03b296b556ca0f537f53710446fce.exe.exe

      Filesize

      23KB

      MD5

      3f9dbfee668294872ef01b90740b01d0

      SHA1

      99a4702b65485cd14736b1c2cdfb81b455dda01c

      SHA256

      40b32fea1fcadcb2db369475e2bba58b0b83f5c3bb647e2e63877726c35a9f86

      SHA512

      0113cec160d97ea0cce70860cc5b79b502d16191ee237a3abb84309499be193aa0127dbcb41fc05a90fa61484b061ec4332ad29a918db598e32fe832b74bd1e3

    • C:\Windows\Logo1_.exe

      Filesize

      29KB

      MD5

      152ab8f0455dd31f0e63fff4283ea17d

      SHA1

      5f111c77acb6bd29d15a4e2f868fdbee0db11a82

      SHA256

      67b0bce9f75235502f22de2d7db30e81189136ec614464ffdf7e8d2d33b87fae

      SHA512

      5226d1f11aa27c777f28a915d2073b1b864eeebacb97a51ed8dd81044f2d870e13b242722f23ea9643732ccd1c7f99ac1df4e237019c966d6d16179c2cf853ba

    • F:\$RECYCLE.BIN\S-1-5-21-3533259084-2542256011-65585152-1000\_desktop.ini

      Filesize

      10B

      MD5

      688d58fa5756a393f9472937ef284c25

      SHA1

      18ee07a5ee8de4fbd046763cd4a55ef2e6c3f808

      SHA256

      e21f27bdf2d90c77d75658b5217d5af4519a6c1bfc326a109eb4a085a2b83302

      SHA512

      c84930eb323c71ffc1edac543a2f60e366de40b39a88b18dba09c1272fae0b12262f4fae496bc9546598507fc37729d829f93b101bbec4739a05be33e0010a3f

    • memory/1236-33-0x0000000002E90000-0x0000000002E91000-memory.dmp

      Filesize

      4KB

    • memory/2196-16-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2196-17-0x0000000000220000-0x0000000000256000-memory.dmp

      Filesize

      216KB

    • memory/2196-15-0x0000000000220000-0x0000000000256000-memory.dmp

      Filesize

      216KB

    • memory/2196-0-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/3020-35-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/3020-94-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/3020-101-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/3020-189-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/3020-1877-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/3020-48-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/3020-3337-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/3020-42-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB