Analysis

  • max time kernel
    149s
  • max time network
    124s
  • 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

    26a2f33cd85afc0e370c2c6e34b96f7881d08c0367a1ba7c4d708948c1ecad43.exe

  • Size

    959KB

  • MD5

    6b731080bf864a3cc5307b25d1e22687

  • SHA1

    674a4a07b7b815c355fc4da75944a4ac5c6417d6

  • SHA256

    26a2f33cd85afc0e370c2c6e34b96f7881d08c0367a1ba7c4d708948c1ecad43

  • SHA512

    6570414d2f6a5e8aa122d4eb4d834ea22f9d736c07bca5e1949ea324aa8f6a16e35c359aa33ee9e13049af873ade40c4b72525782418d58cd80cab2c5313dc06

  • SSDEEP

    12288:CRKcv8Nh7py6Rmi78gkPH3aPI9vyVg/0paQuj3IdD02fKBjtp/:rBpDRmi78gkPXlyo0G/jr

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1180
      • C:\Users\Admin\AppData\Local\Temp\26a2f33cd85afc0e370c2c6e34b96f7881d08c0367a1ba7c4d708948c1ecad43.exe
        "C:\Users\Admin\AppData\Local\Temp\26a2f33cd85afc0e370c2c6e34b96f7881d08c0367a1ba7c4d708948c1ecad43.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2440
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a58AB.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2752
          • C:\Users\Admin\AppData\Local\Temp\26a2f33cd85afc0e370c2c6e34b96f7881d08c0367a1ba7c4d708948c1ecad43.exe
            "C:\Users\Admin\AppData\Local\Temp\26a2f33cd85afc0e370c2c6e34b96f7881d08c0367a1ba7c4d708948c1ecad43.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:2580
        • 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:2772
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2840
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2932

    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\$$a58AB.bat

      Filesize

      722B

      MD5

      97343a65133fafae8d1b5dee6d7dd39c

      SHA1

      c2df4461cd75758fc625fb64156df7febd547699

      SHA256

      5812816fa93e24fdabab77d9eb4717c40ce0deb414e816ed2d742283b571d913

      SHA512

      34c1afa9dab17f928271416908a349eb98f78f773ccf45c6c68fd0c1640a097758fdd11a721ae250d9af3b4f7d34d9eba33ae49401c4050c5148785f9d6bc958

    • C:\Users\Admin\AppData\Local\Temp\26a2f33cd85afc0e370c2c6e34b96f7881d08c0367a1ba7c4d708948c1ecad43.exe.exe

      Filesize

      930KB

      MD5

      30ac0b832d75598fb3ec37b6f2a8c86a

      SHA1

      6f47dbfd6ff36df7ba581a4cef024da527dc3046

      SHA256

      1ea0839c8dc95ad2c060af7d042c40c0daed58ce8e4524c0fba12fd73e4afb74

      SHA512

      505870601a4389b7ed2c8fecf85835adfd2944cbc10801f74bc4e08f5a0d6ecc9a52052fc37e216304cd1655129021862294a698ed36b3b43d428698f7263057

    • C:\Windows\Logo1_.exe

      Filesize

      29KB

      MD5

      152ab8f0455dd31f0e63fff4283ea17d

      SHA1

      5f111c77acb6bd29d15a4e2f868fdbee0db11a82

      SHA256

      67b0bce9f75235502f22de2d7db30e81189136ec614464ffdf7e8d2d33b87fae

      SHA512

      5226d1f11aa27c777f28a915d2073b1b864eeebacb97a51ed8dd81044f2d870e13b242722f23ea9643732ccd1c7f99ac1df4e237019c966d6d16179c2cf853ba

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

      Filesize

      10B

      MD5

      688d58fa5756a393f9472937ef284c25

      SHA1

      18ee07a5ee8de4fbd046763cd4a55ef2e6c3f808

      SHA256

      e21f27bdf2d90c77d75658b5217d5af4519a6c1bfc326a109eb4a085a2b83302

      SHA512

      c84930eb323c71ffc1edac543a2f60e366de40b39a88b18dba09c1272fae0b12262f4fae496bc9546598507fc37729d829f93b101bbec4739a05be33e0010a3f

    • memory/1180-30-0x0000000002F80000-0x0000000002F81000-memory.dmp

      Filesize

      4KB

    • memory/2440-16-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2440-0-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2772-33-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2772-40-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2772-46-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2772-93-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2772-100-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2772-263-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2772-1876-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2772-3336-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2772-18-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB