Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/05/2024, 14:21

General

  • Target

    8edfac4f1f3cafbd43638f0d2c658009b519b9f1bd3171ba8dedb0448f531ffc.exe

  • Size

    447KB

  • MD5

    6ba91e4005d74badcf8af8a7eb30081b

  • SHA1

    5a62af4adce23da7124b48a757a1ae9eda3487f9

  • SHA256

    8edfac4f1f3cafbd43638f0d2c658009b519b9f1bd3171ba8dedb0448f531ffc

  • SHA512

    87f7acd72f99cc35a7c5d358f242495e2b1b7c33b032aae38f3382c491ff1a6a2c48cedaec74f6d814c1384d06d3d0ce36379e5fc25bfdaf38cc597c52f04e92

  • SSDEEP

    12288:K3NVA65XwlYgrHy6V17kr8+m73q+pgkxzdxRlabQYtCAZ5cIkKix:K3NXwlBrygOW3q49ldx7XIa

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.

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • 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 FindShellTrayWindow 10 IoCs
  • Suspicious use of SendNotifyMessage 10 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3564
      • C:\Users\Admin\AppData\Local\Temp\8edfac4f1f3cafbd43638f0d2c658009b519b9f1bd3171ba8dedb0448f531ffc.exe
        "C:\Users\Admin\AppData\Local\Temp\8edfac4f1f3cafbd43638f0d2c658009b519b9f1bd3171ba8dedb0448f531ffc.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3120
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:540
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1896
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a467F.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:2228
            • C:\Users\Admin\AppData\Local\Temp\8edfac4f1f3cafbd43638f0d2c658009b519b9f1bd3171ba8dedb0448f531ffc.exe
              "C:\Users\Admin\AppData\Local\Temp\8edfac4f1f3cafbd43638f0d2c658009b519b9f1bd3171ba8dedb0448f531ffc.exe"
              4⤵
              • Executes dropped EXE
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SendNotifyMessage
              PID:4888
          • 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:3608
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:1688
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:5112
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:4620
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:3288

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe

            Filesize

            251KB

            MD5

            763c0a024e1d5025284ffc74e8888687

            SHA1

            8c85ed8a02fb64c557ed0b66b8ccac50343f0a8f

            SHA256

            d122c656ea45dafaf12f725b2a574525634ab65ad686757db2964cba6a58ddf8

            SHA512

            2d8d0249ebaf9206a9ac091493b462cecf1a98a0334c4e9ba562bf4d481d5d8cbc9904af3986dd7c8ff7cc73f34ee7a6cca95cb4e73f3f955bb78d9d82b34b31

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

            Filesize

            577KB

            MD5

            e0cce817425e080a14a7e33d0075e769

            SHA1

            5c0cef80abe56e0eda13a88a9a7578c804a4823e

            SHA256

            82780bc00258b09c6ad87422034b04b766ed7157258c00afd0f52b8dd3a54992

            SHA512

            8983032b7c30771a443247412ee5324782c62733979f8b13385c8ac0cdd54130c7f60513b6e951740ea923cb4784e83a6a75f1f377fd6117fd74e8fa5cff2a9e

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

            Filesize

            643KB

            MD5

            635e9422a0a86f5c7ac989802b0ac448

            SHA1

            3ea9cc1462b063639526a8d278b571f38b846d1d

            SHA256

            a97d8545a6204abf1a179f2098ca8780e92f4448c7a03e62f6c32e8e5e5cb17f

            SHA512

            857c6d683fe1f7a6757420c84efc4f7f48f58e586e601c969ce27e4ded8cad6ca774ef367a1a1e075081c4e2d41f8cdda558fddf5622e062975cfeff5a929133

          • C:\Users\Admin\AppData\Local\Temp\$$a467F.bat

            Filesize

            722B

            MD5

            f0fae1162a040415779f6215b84b3ad9

            SHA1

            b03c6c369dbfa01725d7bd100bd9a0ccf0b68c88

            SHA256

            fe09fa1490e00b6f9a95afda717a5c7a4cfa1b83dac397f818f3629592148594

            SHA512

            c55038a45d19e0d049f3b1a385dea23c2c0897e36f2639f8ace03f450b063a5988050921d8457242bd9d983caa62a8601471bc2d49673a1d42fe583d57e161b8

          • C:\Users\Admin\AppData\Local\Temp\8edfac4f1f3cafbd43638f0d2c658009b519b9f1bd3171ba8dedb0448f531ffc.exe.exe

            Filesize

            413KB

            MD5

            61f00cd504821ba3727f40ba91c0aa38

            SHA1

            1923a6331cf73dde5af1cb5573f35d9cce3a86b6

            SHA256

            7d317c9d43001251d8ba8ad9c81d2959e8a8030927ff3b7ed6a3b91840409552

            SHA512

            f1efd9094f5a6a14e19b2e418605c65be4fc0505e231072503786caefb42651ff9df2d3504c7bb84373097cc25651e495be85003ae45e81bd5e0ce22bb489935

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            4d3bfe6c87e6c78b7046c15ab105081f

            SHA1

            c412923129b6accf951aaa82e640306b9344f2f0

            SHA256

            dc7df265a1202af0cb3bbdb171b6569dbd60ff0ef9aecff6b82df3d3e727ca4b

            SHA512

            33320eec5c3066612b3c9bea4f39373d3d1c7023a88bf4c1f28d94b8f7aa458d36578f0cf34e3016170fea08f6bc0b0714d5db1318f3eb68d6c188afef2bd013

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

            Filesize

            842B

            MD5

            6f4adf207ef402d9ef40c6aa52ffd245

            SHA1

            4b05b495619c643f02e278dede8f5b1392555a57

            SHA256

            d9704dab05e988be3e5e7b7c020bb9814906d11bb9c31ad80d4ed1316f6bc94e

            SHA512

            a6306bd200a26ea78192ae5b00cc49cfab3fba025fe7233709a4e62db0f9ed60030dce22b34afe57aad86a098c9a8c44e080cedc43227cb87ef4690baec35b47

          • F:\$RECYCLE.BIN\S-1-5-21-17203666-93769886-2545153620-1000\_desktop.ini

            Filesize

            8B

            MD5

            1b16d2dbd4281ce4e4e5729c608dcb0b

            SHA1

            851e624080ba5598edb808d4b30fe2d74999ce18

            SHA256

            c9e46fb51d0588ca1e48ca66731e11992770b9b74a982f9bdbb6ce5b5b75d549

            SHA512

            cd1c4cf7c7871cb48ce735226b25f689b340037e6c992441e566161de7fca7410762d1a0c2670ee4b6546f7ee854d3219e0e2315c3e0387d9bbe3f08076b5a59

          • memory/3120-11-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/3120-0-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/3608-2714-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/3608-22-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/3608-12-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/3608-8732-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/4888-21-0x0000000000400000-0x00000000004F4000-memory.dmp

            Filesize

            976KB

          • memory/4888-17-0x0000000000400000-0x00000000004F4000-memory.dmp

            Filesize

            976KB