Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/06/2024, 19:32

General

  • Target

    8fc256f2396a8b13fe2a2651f2afe0fdd967f5d3d71503e4c86f54f17b892d61.exe

  • Size

    964KB

  • MD5

    79fd752e35dad497f11d444435a2f0a1

  • SHA1

    d3618a763732264529d2bfa11841f489e7b0175b

  • SHA256

    8fc256f2396a8b13fe2a2651f2afe0fdd967f5d3d71503e4c86f54f17b892d61

  • SHA512

    a2204a783f5cde1f811e4a9318e132a6d294692895439051ad2894bc3800f9e78839fa21a2c6c048cd399f407adefe9bbe5dc987d750dfb97eca5bbc7c4b213b

  • SSDEEP

    12288:u3NURKcv8Nh7py6Rmi78gkPH3aPI9vyVg/0paQuj3IdD02fKBjtp/:u3N5BpDRmi78gkPXlyo0G/jr

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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).

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3472
      • C:\Users\Admin\AppData\Local\Temp\8fc256f2396a8b13fe2a2651f2afe0fdd967f5d3d71503e4c86f54f17b892d61.exe
        "C:\Users\Admin\AppData\Local\Temp\8fc256f2396a8b13fe2a2651f2afe0fdd967f5d3d71503e4c86f54f17b892d61.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4844
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4976
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1396
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a376B.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:3560
            • C:\Users\Admin\AppData\Local\Temp\8fc256f2396a8b13fe2a2651f2afe0fdd967f5d3d71503e4c86f54f17b892d61.exe
              "C:\Users\Admin\AppData\Local\Temp\8fc256f2396a8b13fe2a2651f2afe0fdd967f5d3d71503e4c86f54f17b892d61.exe"
              4⤵
              • Executes dropped EXE
              • Suspicious use of AdjustPrivilegeToken
              PID:5232
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • Drops file in Drivers directory
            • Drops startup file
            • 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:1348
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:4044
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:5480
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:4680
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:5220

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Program Files\7-Zip\7z.exe

            Filesize

            577KB

            MD5

            52d15efffac87e5af874aaf4de7c2e85

            SHA1

            d13a2ff2252f33b5da04577c28296e65b2f7a969

            SHA256

            5c088c41f815706737b4e504775489caacf902137e95f334070f7a9573093e81

            SHA512

            a470238c957edd579daf2c7a605831bfa6966c03ec697ca06cca5502909aa6744e2de56e4c2712f0f2c3412982d61a42718ef0cb2e88c0e0d7dc74741084fb6c

          • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe

            Filesize

            643KB

            MD5

            7336494852e3caadfcce5366c9fd96b0

            SHA1

            c0b1238afa2a7356ca97eabd08300a280d036c38

            SHA256

            a163e93fb197b7dd6f294848c0e858be8ccca9c3ee1a5d1ffefac937b2c8c220

            SHA512

            ee4bf404355c5c5ed2e7823442c034a104dc37238ce46d83c4333bab36d0edd30b91bb1e3c1d93bb56a003637df820a20f772ac114efa78034739752fc3047c0

          • C:\Users\Admin\AppData\Local\Temp\$$a376B.bat

            Filesize

            722B

            MD5

            325b187ac5adc5d9e87d5a042b5e970e

            SHA1

            71434fe4bb3337f36669c9fdae0559d13cc2bca4

            SHA256

            369852868779f15bb608b62ecc30b30fd4c061c918f1d6ff16b44bf3bef3ffdf

            SHA512

            f41f986372c2d71f10620fb1111d0e0b2127aa17f9e736b01bf8cb92c10256174d5e83cb0674d7f9a50441424ed6171b25e3debbb81705627d7650d1206db7a8

          • C:\Users\Admin\AppData\Local\Temp\8fc256f2396a8b13fe2a2651f2afe0fdd967f5d3d71503e4c86f54f17b892d61.exe.exe

            Filesize

            930KB

            MD5

            30ac0b832d75598fb3ec37b6f2a8c86a

            SHA1

            6f47dbfd6ff36df7ba581a4cef024da527dc3046

            SHA256

            1ea0839c8dc95ad2c060af7d042c40c0daed58ce8e4524c0fba12fd73e4afb74

            SHA512

            505870601a4389b7ed2c8fecf85835adfd2944cbc10801f74bc4e08f5a0d6ecc9a52052fc37e216304cd1655129021862294a698ed36b3b43d428698f7263057

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            0152b1b1af674e2fbdeb37b47352155d

            SHA1

            6c38da1c0284af4d84e3dbf54eaca1b438d66e11

            SHA256

            d48f69c1dca4b41e3053a6e6bc7c10a5233bbf7113bda9b171a1f82d3ad574f9

            SHA512

            385b0dc642b9b94fbbb87a8cbb2b00d305e1e73657a953d75ac1d5d6831e9e4556201b2a88c21dad8a0ae4b8c9edf83bb01acbb1b26ab5e33dedb6c97ea12434

          • C:\Windows\system32\drivers\etc\hosts

            Filesize

            842B

            MD5

            6f4adf207ef402d9ef40c6aa52ffd245

            SHA1

            4b05b495619c643f02e278dede8f5b1392555a57

            SHA256

            d9704dab05e988be3e5e7b7c020bb9814906d11bb9c31ad80d4ed1316f6bc94e

            SHA512

            a6306bd200a26ea78192ae5b00cc49cfab3fba025fe7233709a4e62db0f9ed60030dce22b34afe57aad86a098c9a8c44e080cedc43227cb87ef4690baec35b47

          • F:\$RECYCLE.BIN\S-1-5-21-3906287020-2915474608-1755617787-1000\_desktop.ini

            Filesize

            8B

            MD5

            02e4d47cbb9cf2affe1a6d96af753a42

            SHA1

            fe76259bc3376a8aa287867933c6bfd7fdae1944

            SHA256

            8079d35a07b892f00cdffeed754377382353a6e5870c06c02dc8dbaf809d291a

            SHA512

            cc47f23bb8b014458285ee912566350c0d09c49d9e40666790694b4d4d7961abbf7adcf9d54e78571a3b97d27a05c58f3db3fdaaa3f4221130a248ed780a1746

          • memory/1348-13-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/1348-20-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/1348-3089-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/1348-8657-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/4844-0-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/4844-11-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB