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Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30/09/2024, 14:13

General

  • Target

    5cdb3ad25fbb205c2e94fb7406a25cf9b9ef2604eb7725598bad20b8ed3e755e.exe

  • Size

    70KB

  • MD5

    54add39d67fddc938a876a11f88a2473

  • SHA1

    db27d6cb23d0a8108ff62762d7ee48d42a8fdffe

  • SHA256

    5cdb3ad25fbb205c2e94fb7406a25cf9b9ef2604eb7725598bad20b8ed3e755e

  • SHA512

    80737880263bcfcd7f86a83061ee66241d0b3bd86b3b215fc6857e271d81af0dcc68cb371de72970c2b66655ab97160b4dcb6b0587b3586e33dce4945f782140

  • SSDEEP

    1536:2KaYzMXqtGNttyeiZnZLYm1vriw+d9bHrkT5gUHz7FxtJ:2KaY46tGNttyeQLYm1vrBkfkT5xHzD

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Deletes itself 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 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
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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:1244
      • C:\Users\Admin\AppData\Local\Temp\5cdb3ad25fbb205c2e94fb7406a25cf9b9ef2604eb7725598bad20b8ed3e755e.exe
        "C:\Users\Admin\AppData\Local\Temp\5cdb3ad25fbb205c2e94fb7406a25cf9b9ef2604eb7725598bad20b8ed3e755e.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2708
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2788
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2780
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a2F2B.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2764
          • C:\Users\Admin\AppData\Local\Temp\5cdb3ad25fbb205c2e94fb7406a25cf9b9ef2604eb7725598bad20b8ed3e755e.exe
            "C:\Users\Admin\AppData\Local\Temp\5cdb3ad25fbb205c2e94fb7406a25cf9b9ef2604eb7725598bad20b8ed3e755e.exe"
            4⤵
            • Executes dropped EXE
            PID:2600
        • 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
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2164
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2524
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2564
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2688
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:1976

    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

      1533826f28439de3d0f55fc0527ef526

      SHA1

      fd18ee04168993e623be8d81bf87a74a280a3469

      SHA256

      72f2da86213858a8dc103335ac3c028acde38bc8beaf048df0fcb825466021d1

      SHA512

      a2d36a4a07ba3e88307a1acb2740649d41f0b9176b0fd52275da682712bff54069d0639652128f3a898bf3d1edaa586be3a5193afb772815093272578edd0acc

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

      Filesize

      478KB

      MD5

      23c2c932165e28ab0bc8488daa561473

      SHA1

      f6852391374e72097387d9af721c0aef807a2ff0

      SHA256

      d10031fa711a530bdcdb77da251ae1098ba91f9bc62f0b9d7ba92214980a71fa

      SHA512

      3f0026e56feaca95434050e7125bd9e275e0d4038d513abde516708c32c5a490a7afe1ea951da3866961e39c8c5e2e02c38c2507ba47d98964298b473f0d9f1b

    • C:\Users\Admin\AppData\Local\Temp\$$a2F2B.bat

      Filesize

      722B

      MD5

      c79c25a60d5dad9bd148dd3847212317

      SHA1

      12056bd6ecb590b9ea1c20057e345d354f1bb110

      SHA256

      a33e52b06dcc6dd9d5c835778d958a98b2eb30319d2961721238ef1ac2cda17a

      SHA512

      a8f7d835c81580c1c0d7e41f9c5e8dbc45564be49661409980f8b6784c4b6d02af95857cf7466ddd81f1cd7d08bbe5d4bf2d1d2b227c01ad9533dc520974429d

    • C:\Users\Admin\AppData\Local\Temp\5cdb3ad25fbb205c2e94fb7406a25cf9b9ef2604eb7725598bad20b8ed3e755e.exe.exe

      Filesize

      36KB

      MD5

      9f498971cbe636662f3d210747d619e1

      SHA1

      44b8e2732fa1e2f204fc70eaa1cb406616250085

      SHA256

      8adf6748981c3e7b62f5dbca992be6675574fffbce7673743f2d7fe787d56a41

      SHA512

      b73083c2f7b028d2946cb8f7b4fe2289fedaa4175364a2aac37db0aeff4602aede772ccc9eba7e6dcfcb7276e52604ca45d8021952201b5834485b48bca3dc93

    • C:\Windows\Logo1_.exe

      Filesize

      33KB

      MD5

      ef10e64298182543fb5088f889cafeec

      SHA1

      664e57b1752fd1355d79073b86097d80189964c6

      SHA256

      48ae99986778263c50a0786951401ff9180e1bcecf9df815b543d62a0ef4203b

      SHA512

      6cfccdb00c766467016d1f806ecc4606e7d65427c09dbcde65240b1d24593a95757b497cb143b480f6ae787e768829614c5c4ffe719e97acf9c047547c7fb1d2

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

      Filesize

      832B

      MD5

      7e3a0edd0c6cd8316f4b6c159d5167a1

      SHA1

      753428b4736ffb2c9e3eb50f89255b212768c55a

      SHA256

      1965854dfa54c72529c88c7d9f41fa31b4140cad04cf03d3f0f2e7601fcbdc6c

      SHA512

      9c68f7f72dfa109fcfba6472a1cced85bc6c2a5481232c6d1d039c88b2f65fb86070aeb26ac23e420c6255daca02ea6e698892f7670298d2c4f741b9e9415c7f

    • F:\$RECYCLE.BIN\S-1-5-21-3063565911-2056067323-3330884624-1000\_desktop.ini

      Filesize

      9B

      MD5

      f3a6d65d2cd1d9a735046706d564b0da

      SHA1

      fe89e8d98159b22554b24ab7dd2aaef0128dee8d

      SHA256

      d38fe735f4689e20901fec0a9ca3391f71e497b8e475c6c3facd9b978e641eef

      SHA512

      b52f3f570cd3d4019904c8cedd2c1e854f60cc454ee9f265faade6005851bae75c11f303488e9ebadb6cc8de2a0039ab96d0fafef4e946d63d3cc61a4e25d0a4

    • memory/1244-29-0x00000000025D0000-0x00000000025D1000-memory.dmp

      Filesize

      4KB

    • memory/2164-34-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2164-19-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2164-2964-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2164-4153-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2708-0-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2708-33-0x0000000000240000-0x000000000027E000-memory.dmp

      Filesize

      248KB

    • memory/2708-17-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB