Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    02-06-2024 13:29

General

  • Target

    26e27eb7b21105bd43a9c76e1855c9957b48fda96b9f1803cdc2a80643870df6.exe

  • Size

    400KB

  • MD5

    744bc1b9a04f5a72e7f26638ac5740bb

  • SHA1

    1858151a3d1365a06f3ef71fd8320ab9d2d6c875

  • SHA256

    26e27eb7b21105bd43a9c76e1855c9957b48fda96b9f1803cdc2a80643870df6

  • SHA512

    40c2a9ac8bb6fe0045f8642d2f56a9f5a2ee53a3d562c3b2b9be0e1938a52d0cc22e35e1f6bd199b170118c288ee05578f2d300600558e5007e893f99efc612d

  • SSDEEP

    6144:k/KW+aezsP2zPVz7jUBs8hqcBCi6dbfra4erJlt9A+xX1oOAisEIWmGeNkfGuYFk:HW+aQahVy41

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1392
      • C:\Users\Admin\AppData\Local\Temp\26e27eb7b21105bd43a9c76e1855c9957b48fda96b9f1803cdc2a80643870df6.exe
        "C:\Users\Admin\AppData\Local\Temp\26e27eb7b21105bd43a9c76e1855c9957b48fda96b9f1803cdc2a80643870df6.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2120
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2956
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2556
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a732D.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2616
            • C:\Users\Admin\AppData\Local\Temp\26e27eb7b21105bd43a9c76e1855c9957b48fda96b9f1803cdc2a80643870df6.exe
              "C:\Users\Admin\AppData\Local\Temp\26e27eb7b21105bd43a9c76e1855c9957b48fda96b9f1803cdc2a80643870df6.exe"
              4⤵
              • Executes dropped EXE
              PID:2500
          • 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:2536
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2608
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2988
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2580
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2416

          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

            264KB

            MD5

            9dedb1a7eef99feed2af3fb8c73297b0

            SHA1

            fa03da28428dcfb50fce06b34745dbd9f1c31143

            SHA256

            1def99dc66bb41bb916f73bb75499d0a72900e77c0a62c85c475526384b89cd4

            SHA512

            b1994704303dc932cf601bf0bb4ffca7e49f317dc1f9194c79262aadb1ecc35ff9ce40518f4064a97d7893c0418216cc4ede0b4bf6c40e6891f12d5bf49d01d3

          • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

            Filesize

            484KB

            MD5

            edc9d968c214a944e019fad26d1a18a5

            SHA1

            28dacfbfe9840c27f5af05343af82338786b1f36

            SHA256

            b0f8dc8ea8e999b6c25e460e2f644f2ed41b2e481f57f5800de9c0c93c9ef275

            SHA512

            f381ea38921a0163ced1feb11a9748010b2bf76f8eaf66ae326e98eb5d5ff75bc4b4342b4d3acf27a5177393c5b05cf43bb007ceb1d7799498e8429c8efb86a7

          • C:\Users\Admin\AppData\Local\Temp\$$a732D.bat

            Filesize

            722B

            MD5

            6207123ed4a49ac36861ff0cc4e1d6fb

            SHA1

            89029b492b0488c5553944b60dd8dccb3dce6154

            SHA256

            5afb7ceea24059cafa8dc58b37d67155009a7e0b966aa29ce8b0113af5007040

            SHA512

            07a9c6cb350db1d3b438ed0badb47539b70e2379ff3b332a17953ec8e4d890dd383dd53967fbed847d3cc829504fc4f697f1184be26685e3226a0b594103a7b7

          • C:\Users\Admin\AppData\Local\Temp\26e27eb7b21105bd43a9c76e1855c9957b48fda96b9f1803cdc2a80643870df6.exe.exe

            Filesize

            360KB

            MD5

            5fbd45261a2de3bb42f489e825a9a935

            SHA1

            ff388f6e9efe651ec62c4152c1739783e7899293

            SHA256

            9e63701598199d5c47217e23b44d0e3ec5d53f5419166b1b6c68a7e9e8fc47a4

            SHA512

            7f22b1995a07016adb342c551454d602bfbe511525139aee8581b62116608e9e278fd81c26382f1333c7eccded4474196e73c093bb5cbf8e8f203e865024c058

          • C:\Windows\Logo1_.exe

            Filesize

            39KB

            MD5

            a526b8c1dae7728e93d5ba5eeae7b353

            SHA1

            bb0c23e0b0a3cfa0ae52854c14e0adce7c439a33

            SHA256

            57253ef09f37588bafc2dd017b0ad6f27f5d6a6b526d5ca90bae19f25fcfe616

            SHA512

            4577203ad19ef23357f96091f8d621db5fb42ad4f6f2fdce68f3ec51fea248fbc38deb5d13865097d2c7cbca1db8ae9f18a42b6aac1fedc81a479d2ebbf20926

          • F:\$RECYCLE.BIN\S-1-5-21-330940541-141609230-1670313778-1000\_desktop.ini

            Filesize

            8B

            MD5

            af485d3db9f82d3e5bdc8c6d87fb742e

            SHA1

            f879c3dbd3d34e9789ff73896508bfbeabbf7468

            SHA256

            7a7b688ede50bbaf08d4579fbd8c6b6c99d9dd1206d95ab24d8174eb9be98759

            SHA512

            d5fe5155948320ef6d3f80c01c9a81f0d4f60bab381d921ab2e06b62475618b973b34346bd41b40af24f2b5aff64bba68710f405f7ff21a58f369acbaaee9360

          • memory/1392-28-0x00000000025F0000-0x00000000025F1000-memory.dmp

            Filesize

            4KB

          • memory/2120-17-0x0000000000230000-0x000000000026D000-memory.dmp

            Filesize

            244KB

          • memory/2120-0-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2120-18-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2120-15-0x0000000000230000-0x000000000026D000-memory.dmp

            Filesize

            244KB

          • memory/2536-31-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2536-921-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2536-3227-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2536-4080-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB