Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    11-08-2024 18:44

General

  • Target

    226fe02d796929c60c381721d79c3954cb8aa528b37524e635595eb84933d432.exe

  • Size

    81KB

  • MD5

    fb2077bd5a2d8082333044c8fef11f7b

  • SHA1

    e7219a002232d2a760e3695e1ed68602e46b36c2

  • SHA256

    226fe02d796929c60c381721d79c3954cb8aa528b37524e635595eb84933d432

  • SHA512

    77fbc382a4b6f066e62b83942fc54a79120e8c01a07df61522d58f70ca31ec4a2bf53f6a0b88224d6a2118cd528b965f03d8db1a809be2ebf7442cf4dc4a6654

  • SSDEEP

    1536:pA3SHuJV9NZccXoqKSkFXHM4H5uw/a+q:pAkuJVL+cXoqKSicIa

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 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
  • Program crash 1 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 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1200
      • C:\Users\Admin\AppData\Local\Temp\226fe02d796929c60c381721d79c3954cb8aa528b37524e635595eb84933d432.exe
        "C:\Users\Admin\AppData\Local\Temp\226fe02d796929c60c381721d79c3954cb8aa528b37524e635595eb84933d432.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1976
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a8DDE.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1888
          • C:\Users\Admin\AppData\Local\Temp\226fe02d796929c60c381721d79c3954cb8aa528b37524e635595eb84933d432.exe
            "C:\Users\Admin\AppData\Local\Temp\226fe02d796929c60c381721d79c3954cb8aa528b37524e635595eb84933d432.exe"
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2768
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2768 -s 548
              5⤵
              • Loads dropped DLL
              • Program crash
              PID:2932
        • 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:2244
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1672
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2200

    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

      254KB

      MD5

      746f8de78fb0f5b6cb4c9295bafb8aec

      SHA1

      f1b846705268d9d76a965c13093dee9d840b990e

      SHA256

      b0550e768b9025ce493d883e0573fad951cee10d233374c8ccd3bc67b8566e16

      SHA512

      f8ebff12cab27c01271a8239306a106b205255a3f0cbc2165220e5de50bc2793b4df0b2180c5f195128e3e5d8c8432b224d0cd992e56b7c16074bfd44f3bc00d

    • 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\$$a8DDE.bat

      Filesize

      722B

      MD5

      b4225891d87c70fbc9f2bfc359161776

      SHA1

      7f540eade0ddac19409ba0b86398a3af95b7cea4

      SHA256

      4c0c4ed71ca580add854a8f9832737fd9068ebfdb8290b1df8c0a075e8fd7330

      SHA512

      18ebeb0c3b3f756de3d8c85b10a0c8a98ecc46630acf1df3bfdf4454479b57fde44562a0f35778478125a6fab059e12db2fc4aafab78c3c547801f7f9330f5c6

    • C:\Users\Admin\AppData\Local\Temp\226fe02d796929c60c381721d79c3954cb8aa528b37524e635595eb84933d432.exe.exe

      Filesize

      52KB

      MD5

      ab594a013f13b863dfab4631a70d11d8

      SHA1

      a07ecf665eaf9718a37372bd7590ca04742e663f

      SHA256

      3013bd7f6f46b2f76c4fe4dc2ea374fa609539d258b2f7b450d9c5e25ef72015

      SHA512

      8d0ff0883c2a94e7c64eda393572a11b709f2a6d0b701dacc4b792bae3ff6397eaad9693535f8634d003189bda1e76944b2403259c36ba17eb42cf85f82c94e8

    • C:\Windows\Logo1_.exe

      Filesize

      29KB

      MD5

      b5500add829762ff2dc7a543ea060ae3

      SHA1

      8d8a330081665b1c07b2caf8194c4d833ada1b2e

      SHA256

      e768fe66128b25403b91b91c0de524286cc487ab6195ecef7420126b7905cda8

      SHA512

      97026e69e5f159559c1e22f8896a630d1ca469a6b13d65a75acff76354117ead4c518b6174a2aee3d1c4636d63e0ed23b01343879ffb01724dc5c075c1517c4f

    • F:\$RECYCLE.BIN\S-1-5-21-1506706701-1246725540-2219210854-1000\_desktop.ini

      Filesize

      9B

      MD5

      79a2fb76ad00a8ac07f11b6a179f5297

      SHA1

      72b4f589fd7945d8c80b370d1d3a1f2467f3eb81

      SHA256

      2f723e98c3a3556269a4d81d4a27d6a0ab13a84c5ba737493c07354a2608684f

      SHA512

      3a21c2e60e8e035fb90d428e86bb927077d8354a16f1abc291ccba4a4d7fee4f51cf781fa9202e5602a88ca70a6ba264ac49762100be5f6e09a2ec930e098168

    • memory/1200-36-0x0000000002D00000-0x0000000002D01000-memory.dmp

      Filesize

      4KB

    • memory/1976-0-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/1976-16-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2244-99-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2244-39-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2244-46-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2244-53-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2244-105-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2244-1161-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2244-1882-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2244-18-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2244-2651-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2244-3342-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2768-47-0x0000000073D3E000-0x0000000073D3F000-memory.dmp

      Filesize

      4KB

    • memory/2768-28-0x0000000073D3E000-0x0000000073D3F000-memory.dmp

      Filesize

      4KB

    • memory/2768-29-0x0000000000050000-0x0000000000062000-memory.dmp

      Filesize

      72KB