Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21/09/2024, 02:17

General

  • Target

    654146e039b01da8fa13cd938bd1cd2b4f3a9dc89b8b5431cfbd2bcaa8475dd4.exe

  • Size

    67KB

  • MD5

    122dda620e3d232f5d61d8ded45a6889

  • SHA1

    42fbc30584679626401bc5d72a3bc2560e00258c

  • SHA256

    654146e039b01da8fa13cd938bd1cd2b4f3a9dc89b8b5431cfbd2bcaa8475dd4

  • SHA512

    74bf8cb53cd69ba140bd1d72f6f39817645a852e6a3fd3423cd6474e58973c220ba312d0871a2050fdc13b27133674dd31c3b2a49899936566c7aaf55c55ad74

  • SSDEEP

    1536:2RaYzMXqtGNttyeiZnZLYm1+C4ayFGyHNXk:2RaY46tGNttyeQLYm1+C+4yHN0

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 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
  • 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:1208
      • C:\Users\Admin\AppData\Local\Temp\654146e039b01da8fa13cd938bd1cd2b4f3a9dc89b8b5431cfbd2bcaa8475dd4.exe
        "C:\Users\Admin\AppData\Local\Temp\654146e039b01da8fa13cd938bd1cd2b4f3a9dc89b8b5431cfbd2bcaa8475dd4.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:2104
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:788
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2580
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$aCBA8.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2520
          • C:\Users\Admin\AppData\Local\Temp\654146e039b01da8fa13cd938bd1cd2b4f3a9dc89b8b5431cfbd2bcaa8475dd4.exe
            "C:\Users\Admin\AppData\Local\Temp\654146e039b01da8fa13cd938bd1cd2b4f3a9dc89b8b5431cfbd2bcaa8475dd4.exe"
            4⤵
            • Executes dropped EXE
            PID:2872
        • 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:2704
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:604
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2884
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2928
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2972

    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

      4881bd52859e0410768e6036a90c794a

      SHA1

      fd302eb79fef7ae1b45c23be3a5f2424c755abdc

      SHA256

      fe3cf7b647b970ed9a16fa6e91d15f76b8678162bbadcc4af5b1b83b62c5aebf

      SHA512

      374a7f1564821b6ce0b72a2ca59adb453ddcf39989694b871c4b5b6fcb3fddf6ecdc8a490057db6742382f9893ec93889e4e94aa047c74266b4763cd6c7a277c

    • 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\$$aCBA8.bat

      Filesize

      722B

      MD5

      fbb338b064237eec0f08aa904f9c920e

      SHA1

      b2c094b3bc4ba1f5342e28f8aa557ce41057b8b8

      SHA256

      b931cd64528a3a92cdf20a9c1ae2c3e664e2fe1364d524ad036ce1630378f31f

      SHA512

      959277a1813ca17cb4ed2b26177bc3abcb51fd6a484b873293587e62d1ac18c14d27bbcf5261d3f85e23a7b0d7b490e02ec3ee33ed008c721f17df46e6bf6460

    • C:\Users\Admin\AppData\Local\Temp\654146e039b01da8fa13cd938bd1cd2b4f3a9dc89b8b5431cfbd2bcaa8475dd4.exe.exe

      Filesize

      33KB

      MD5

      bdbce90ce74990df3b2c7c8484dde146

      SHA1

      ae6aadaf5467b97779d4c1a81b5cd3dfb9d8ecb4

      SHA256

      f4a3c012f2859ead10af1298d9b20fbd8ca2257f73d530a2b0c25937cb16f6eb

      SHA512

      78e2f31759ce490f38e898ef17a700dd0898cc32b526325e8d7230b4ff119c39124cd2abf30038f70318931cc995abee523b334a29812bf875302dc126c9f958

    • C:\Windows\Logo1_.exe

      Filesize

      33KB

      MD5

      0e1e0ef4d366836c26aa2c452b401f10

      SHA1

      d489825fe2082180ad5ca9be235fb656c84dfc5f

      SHA256

      f0675d357e9816765b89fd9ada767a6a5dd074985316c16ab5fe6447103acb1e

      SHA512

      63d737f4990c81da9e6a8910051a9bebf6607c04d355e0b536be7efef48daa53e90561a0f0b723df8e09b2ba807682ebef4c282dc9c2bd875b0aab33d3dc8075

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

      Filesize

      832B

      MD5

      7e3a0edd0c6cd8316f4b6c159d5167a1

      SHA1

      753428b4736ffb2c9e3eb50f89255b212768c55a

      SHA256

      1965854dfa54c72529c88c7d9f41fa31b4140cad04cf03d3f0f2e7601fcbdc6c

      SHA512

      9c68f7f72dfa109fcfba6472a1cced85bc6c2a5481232c6d1d039c88b2f65fb86070aeb26ac23e420c6255daca02ea6e698892f7670298d2c4f741b9e9415c7f

    • F:\$RECYCLE.BIN\S-1-5-21-312935884-697965778-3955649944-1000\_desktop.ini

      Filesize

      9B

      MD5

      5412111268dd2c1fb1cf8697bfab9b6c

      SHA1

      16d0b289e83c74cb50a004edd7c5750ac706f321

      SHA256

      f3aa35be7048ddbf11fc581e5f9476745d75bcf097e121ba2915614e360a0cdc

      SHA512

      13fc5bf11faaf5471fde8a1bafdcc6d27521bad796e5e532c94d9c8232dd70088e70b6d5ac60c4c15d13e59926ac38e9a9e01b4dd4694a77d70bdd1ae7005ccf

    • memory/1208-31-0x0000000002CF0000-0x0000000002CF1000-memory.dmp

      Filesize

      4KB

    • memory/2104-21-0x0000000000230000-0x000000000026E000-memory.dmp

      Filesize

      248KB

    • memory/2104-20-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2104-18-0x0000000000230000-0x000000000026E000-memory.dmp

      Filesize

      248KB

    • memory/2104-0-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2704-19-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2704-35-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2704-2965-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2704-4155-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB