Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/09/2023, 11:08

General

  • Target

    39bb59ad645adcf78663eec0eee8909a0144b84a9ef44e9258fcc0cb31a8afd6.exe

  • Size

    129KB

  • MD5

    585146f6181281f751ea01fb0e622c94

  • SHA1

    192a7c15248bc93434a0df30de5dcf6d168b33d1

  • SHA256

    39bb59ad645adcf78663eec0eee8909a0144b84a9ef44e9258fcc0cb31a8afd6

  • SHA512

    4334acdcb925e066ee19f8b32b6a6d16085eafea49c459158be1ed452dd4b6dbfb5d71225267a90fddd6106c5b1949b6aa28642b545239ab6973c043fa7e5814

  • SSDEEP

    3072:eBftffhJCuUJq42/TsRMIakSt2sWllgnaavyuurPo:eJVfhguMqd/TsRMCi2sg23MQ

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 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
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3164
      • C:\Users\Admin\AppData\Local\Temp\39bb59ad645adcf78663eec0eee8909a0144b84a9ef44e9258fcc0cb31a8afd6.exe
        "C:\Users\Admin\AppData\Local\Temp\39bb59ad645adcf78663eec0eee8909a0144b84a9ef44e9258fcc0cb31a8afd6.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:4484
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a633E.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1244
          • C:\Users\Admin\AppData\Local\Temp\39bb59ad645adcf78663eec0eee8909a0144b84a9ef44e9258fcc0cb31a8afd6.exe
            "C:\Users\Admin\AppData\Local\Temp\39bb59ad645adcf78663eec0eee8909a0144b84a9ef44e9258fcc0cb31a8afd6.exe"
            4⤵
            • Executes dropped EXE
            PID:444
        • 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
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2304
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1140
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:1032

      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

        c10795b833d3a0a660032627eff4cca6

        SHA1

        13b7c0a7b3dce3ddadbb7b8e73cce3ccd133f297

        SHA256

        9fa435904f4639c196ac7fb5a738683c3bb3ad4343a9a57eaf5a9831cae587e4

        SHA512

        ae49e8c640a7dcfb2ae68f3d11fe630fb95df1b7e2da86e2ffa58ce7de71d4ce897da004d6c5a92f86f4c55b93ce69b8191ab3b30bed176e3bce17403b36e044

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        484KB

        MD5

        736b3638d4a6f79aaf6acd71628aec37

        SHA1

        d48b040689225fa3d3f8ca09c99ae0f65f88e4a6

        SHA256

        8c9a06f18636b4a3248995f6746d67716be7226d20618b14ef53a602fe4facf5

        SHA512

        24480f4a841989d054e89fc072457de9634209cda5e18de08b2f8966c44e30b36f17065ab151b5f8a163d668d2634e8087e285ef35719ce25ba0b85e87b7d2b3

      • C:\Users\Admin\AppData\Local\Temp\$$a633E.bat

        Filesize

        722B

        MD5

        8f4ff657586240fde433813297271c6f

        SHA1

        b5f2e80ea968381f98b02cad1331779d8528fe69

        SHA256

        c48567efeb046bbc0dd23ba5df7fe912af18ce6c754cfe78534294a0e4a7267c

        SHA512

        a285c9c4d032794e44d8abf6aef5ad66f1dffdfd88f8139b636dd083ed188c440db10cc19005a70de9a3ea7c5d8b140de33b5e389171f6647f67b23eb70107c6

      • C:\Users\Admin\AppData\Local\Temp\39bb59ad645adcf78663eec0eee8909a0144b84a9ef44e9258fcc0cb31a8afd6.exe

        Filesize

        102KB

        MD5

        1eadbd02c1393606dc08bd49561de137

        SHA1

        468768b6df7f729ab4cf158fe86a952ad5db90c8

        SHA256

        cc01b15a2f8e92b7af43650e62a58b7b36213d533fe4d2add481869b35085f7f

        SHA512

        1804a6cd1f73ca0114a81c96af32f3776060ca9dfdbd283898de4bbc64ce142c9351355c2b9aeda01ee73a6444a1b89825ecb2f319e82837012cce1b4e7771fb

      • C:\Users\Admin\AppData\Local\Temp\39bb59ad645adcf78663eec0eee8909a0144b84a9ef44e9258fcc0cb31a8afd6.exe.exe

        Filesize

        102KB

        MD5

        1eadbd02c1393606dc08bd49561de137

        SHA1

        468768b6df7f729ab4cf158fe86a952ad5db90c8

        SHA256

        cc01b15a2f8e92b7af43650e62a58b7b36213d533fe4d2add481869b35085f7f

        SHA512

        1804a6cd1f73ca0114a81c96af32f3776060ca9dfdbd283898de4bbc64ce142c9351355c2b9aeda01ee73a6444a1b89825ecb2f319e82837012cce1b4e7771fb

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        7963e73ae06c842251fcf42695ae8a1d

        SHA1

        728ba0de7098ef0894de770de3a017495bd77398

        SHA256

        dc1a8a5e80ac711b36d5344111575bfd7b84b812e30d7eb3ab90a44aeeae9eb8

        SHA512

        d4b098bc93ceafed1676d9760ba64e125a90eddaed4fe9bb98faa740184041c33f3598dcb7bdfcc5475786812cb8233fc742b4757fb50021861f310cc6db69b0

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        7963e73ae06c842251fcf42695ae8a1d

        SHA1

        728ba0de7098ef0894de770de3a017495bd77398

        SHA256

        dc1a8a5e80ac711b36d5344111575bfd7b84b812e30d7eb3ab90a44aeeae9eb8

        SHA512

        d4b098bc93ceafed1676d9760ba64e125a90eddaed4fe9bb98faa740184041c33f3598dcb7bdfcc5475786812cb8233fc742b4757fb50021861f310cc6db69b0

      • C:\Windows\rundl132.exe

        Filesize

        26KB

        MD5

        7963e73ae06c842251fcf42695ae8a1d

        SHA1

        728ba0de7098ef0894de770de3a017495bd77398

        SHA256

        dc1a8a5e80ac711b36d5344111575bfd7b84b812e30d7eb3ab90a44aeeae9eb8

        SHA512

        d4b098bc93ceafed1676d9760ba64e125a90eddaed4fe9bb98faa740184041c33f3598dcb7bdfcc5475786812cb8233fc742b4757fb50021861f310cc6db69b0

      • C:\_desktop.ini

        Filesize

        9B

        MD5

        872506f1dadcc0cedd1e9dee11f54da4

        SHA1

        d1e87145ed1d918f10ae4e93ccdbb994bc906ed5

        SHA256

        a0049e98811438481e150df54f7b555026746c943cb03106677bf75b4e412104

        SHA512

        6cf3aeeed18e66a16ed653a5c33133ec8d5fb58cf42aab9e712cf473233e506d4f14692dff04b7c20847718e5c344ec2651e57d2ae7a034610b07679b786344c

      • memory/2304-32-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2304-19-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2304-26-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2304-37-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2304-41-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2304-9-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2304-298-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2304-1278-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2304-3964-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2304-4820-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4484-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4484-12-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB