Analysis

  • max time kernel
    150s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 10:18

General

  • Target

    f39b1a7b3dfe4a04e8ce9c39f890c6e270bf6ca3faa5ae4335b46c4bb3ae4fef.exe

  • Size

    393KB

  • MD5

    9e63e73f4ea770b5815adc2a7ee99ebc

  • SHA1

    07a84192aae8275297fd16888fe23cf7b28f520e

  • SHA256

    f39b1a7b3dfe4a04e8ce9c39f890c6e270bf6ca3faa5ae4335b46c4bb3ae4fef

  • SHA512

    906fbcf1d5eadd8dedfb1db7f592537840ddcf4da1db697344cc79f05c8eea2098a8cb8240f473f38f4d51dcf6b9a2548ca6671b309e0584d13e578fb74c552e

  • SSDEEP

    6144:O+aX3RP2zPVz7jUBs8hqcBCi6dbfra4erJlt9A+xX1oOAisEIWmGeNkfGuYF1moW:O+aiahVy41

Score
7/10

Malware Config

Signatures

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

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3340
      • C:\Users\Admin\AppData\Local\Temp\f39b1a7b3dfe4a04e8ce9c39f890c6e270bf6ca3faa5ae4335b46c4bb3ae4fef.exe
        "C:\Users\Admin\AppData\Local\Temp\f39b1a7b3dfe4a04e8ce9c39f890c6e270bf6ca3faa5ae4335b46c4bb3ae4fef.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1088
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4736
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1140
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a40C2.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:3316
            • C:\Users\Admin\AppData\Local\Temp\f39b1a7b3dfe4a04e8ce9c39f890c6e270bf6ca3faa5ae4335b46c4bb3ae4fef.exe
              "C:\Users\Admin\AppData\Local\Temp\f39b1a7b3dfe4a04e8ce9c39f890c6e270bf6ca3faa5ae4335b46c4bb3ae4fef.exe"
              4⤵
              • Executes dropped EXE
              PID:4384
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • 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:4812
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:4512
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:1764
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2956
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:3384

          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

            258KB

            MD5

            9ac10f2289f81d00cb5315e30a25967d

            SHA1

            43f3ec8b12b8ef26c5e0151a50e708edd8a3e979

            SHA256

            a978211529b28a3b66408c32636b82ef4405121d57e90a911c60f3810be3c0cc

            SHA512

            211d2c4d98509e4b0df64c0b31331431486886ae40c106ca1af496a2573fcfce3737d3574f6f41e39b02cf35b67859c14e46d58b30cf59062f8b68ec76dc1a77

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

            Filesize

            577KB

            MD5

            9b73ea744610add358a523c48b536d6d

            SHA1

            38d35606d7b18b9f9ec4e4bfac20b523ecc1ed88

            SHA256

            02cff7e352a7c94505a1d1c73425ec9968637b9010c8c017dc70f7d6a78a3a45

            SHA512

            aa6b8405c175a2cf9be163d8f282894498f2e8ddffde0caa59c0ad2b357582fd21454f1b742d2169e1d326576e08ed8869de861f549cc0fd8c1e4c42fbe6b3eb

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

            Filesize

            643KB

            MD5

            d9b7a6b2266ce71f741a1d62ee34a3e3

            SHA1

            99a825f3f86d5921f45d4aadbb3c1031d53fc6f5

            SHA256

            c6319cafefc4565c3dd8521b77ec90dc57b1108fb10a60b3874f3c57b37f239d

            SHA512

            2599a502d76f781c0037b1f6837348b820139005cb9fb48b2a1cc3a2dd3e3575f4a50e404ac16f4e3530982fdfc026a7ba54329ec47fcf99b827a82db4c650bf

          • C:\Users\Admin\AppData\Local\Temp\$$a40C2.bat

            Filesize

            722B

            MD5

            a2281d74e48ac41183bb0fe63efe1ea8

            SHA1

            1d4b30e331a305ae946b33d6a29a70f7a948782c

            SHA256

            b89d28f24ba7e9491d9e9e8df3e7bb8ba0a65b2ae07d92ab4381f2db92245db8

            SHA512

            cbf7380f2c5c881aaa5c93fbc7d0f30581b915a1387f67d5c04ab3fa6efe6dbd61dd6cc9bd78b9208cc833735c5c181fb832e199c7874226d4782764548928b4

          • C:\Users\Admin\AppData\Local\Temp\f39b1a7b3dfe4a04e8ce9c39f890c6e270bf6ca3faa5ae4335b46c4bb3ae4fef.exe.exe

            Filesize

            360KB

            MD5

            5fbd45261a2de3bb42f489e825a9a935

            SHA1

            ff388f6e9efe651ec62c4152c1739783e7899293

            SHA256

            9e63701598199d5c47217e23b44d0e3ec5d53f5419166b1b6c68a7e9e8fc47a4

            SHA512

            7f22b1995a07016adb342c551454d602bfbe511525139aee8581b62116608e9e278fd81c26382f1333c7eccded4474196e73c093bb5cbf8e8f203e865024c058

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            beaa56a0e4764dd95329202a0a92e326

            SHA1

            1e18f4051244e4aa8eabbddc7001ffcdc2adc055

            SHA256

            02424a4ca6ac65d66c89b79493d30a0c54c46da6ec225ef5ae1c724913451a08

            SHA512

            fc65d6da1e1f112abbb37c5227823980d644b6436cec5d44a75de9e97ba9e709010fc6edb064c592ce931412612010c7254bc5eb6c4aec004510786525276e25

          • F:\$RECYCLE.BIN\S-1-5-21-2804150937-2146708401-419095071-1000\_desktop.ini

            Filesize

            9B

            MD5

            31874817e0fb055be8d2c971c0e3bbde

            SHA1

            ee8a35d6a86cb6d13f354d67d912e194bb09c74b

            SHA256

            94de8b492bc2db9a9592f7c9433547eb7f80826ed67f48d2bb7e22db9d49f544

            SHA512

            55747c69ae50fa212576d095f60cf33b42e26789cf8c34fc5120a45b1988aae95f91d9e37cb17298c5ac5243b2e4c40e1d0e084ce7fe14bceb4ebb318c65c944

          • memory/1088-10-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/1088-0-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/4812-11-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/4812-5220-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/4812-18-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/4812-8741-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB