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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
    25/01/2025, 02:46

General

  • Target

    c1b200965a46f955ed36e01b820b80503a16bda448c4663e71e10ef1f589379a.exe

  • Size

    1.1MB

  • MD5

    8251bb2b18a80f9596b37e0f0810275f

  • SHA1

    614b54d3770069f279dcb75cfd38d86fee30839d

  • SHA256

    c1b200965a46f955ed36e01b820b80503a16bda448c4663e71e10ef1f589379a

  • SHA512

    06ce0977957c31f28db4d842615b6c7cd1012f641e12e1813178c4798a3dddc1c5276e47a8c2cedcfba5aa10fd00997a917b83979b687deb4bcf77fb727acf2d

  • SSDEEP

    24576:m3MTXT9T+w6zY8v5a2FZ7WDpk2Kvfd5nP6Wp8zrMBThYBjv:mcZ6zY8/7WDaDvfd5iQ8zoBThojv

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:1260
      • C:\Users\Admin\AppData\Local\Temp\c1b200965a46f955ed36e01b820b80503a16bda448c4663e71e10ef1f589379a.exe
        "C:\Users\Admin\AppData\Local\Temp\c1b200965a46f955ed36e01b820b80503a16bda448c4663e71e10ef1f589379a.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:2660
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2412
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2800
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$aFE3C.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2108
          • C:\Users\Admin\AppData\Local\Temp\c1b200965a46f955ed36e01b820b80503a16bda448c4663e71e10ef1f589379a.exe
            "C:\Users\Admin\AppData\Local\Temp\c1b200965a46f955ed36e01b820b80503a16bda448c4663e71e10ef1f589379a.exe"
            4⤵
            • Executes dropped EXE
            PID:2740
        • 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:2772
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2716
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2556
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1640
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:1528

    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

      2f8dd81066b0d4ee823e4ca5662d2085

      SHA1

      7d43e3cf55e41399a437ed8ad7e07c8370227327

      SHA256

      1a2c68a780686d096a881919148b9aa86502c135125b8436125cffe398ca2ac0

      SHA512

      00ad8154b1ec6886367c79bd1c88a374be8f0477a7db71c55a1b94bb51a24b91aa2a246ec7a6dccf967e4fdde914ded29f4001bf92bf1449f53d77c23494f1a6

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

      Filesize

      478KB

      MD5

      77ec999dc753d70d4a8fbc32a98efb2f

      SHA1

      172ba524961356c8cf218baf27e14c66a07ffefc

      SHA256

      7178ea26cd9a2cd05e48e5d856a330d3e276d798d14aa10852df737f141dfbc5

      SHA512

      67d6a5f5034c44c4dbd5df9f61dc7754a1981040f04e2bd8159b8311f9b57009d731ac051a7751ff4674817f3d6f2c3fb5537046a289f45ca038d10084b6bd58

    • C:\Users\Admin\AppData\Local\Temp\$$aFE3C.bat

      Filesize

      722B

      MD5

      94370521c1ba92ff89e707562f60c03f

      SHA1

      bddbde1d4b6c59c215ee0258ffa0cc4edd1da68b

      SHA256

      cf897c2da4693a28825feda382a430584788fc7dfa01f7a0f351be174dfb6e73

      SHA512

      087610eea4fd1d4cfc280de642b5fd1b02e6b0684b4ad56f43e0096ffa351e6f2a48ee1a5128fe775cd0a5976fa0139ad45855f89078cbee77b690f146e90697

    • C:\Users\Admin\AppData\Local\Temp\c1b200965a46f955ed36e01b820b80503a16bda448c4663e71e10ef1f589379a.exe.exe

      Filesize

      1.1MB

      MD5

      f012ebe3b9f0c4d18b43076b68295667

      SHA1

      27ce582d305bf5ec574fd7edf39e1300783e9323

      SHA256

      bdff5163ff3787a7a8b6bb3f688e877c5fa10db2ad535bb9765c91e976fbcafe

      SHA512

      06ce3eceb42ca555511f55e85fe79441a4a8c70ad32c36a045560cb8449e44f08bcd9e938e9a11a0360c7363ba2fff4dd92b1a300e21e214a6d273009d8c2463

    • C:\Windows\Logo1_.exe

      Filesize

      33KB

      MD5

      99171473455f287bf3271f2200d81338

      SHA1

      60a188feb436b02bf71167001ed8e553df610534

      SHA256

      97ae3f5a8b3fb129735fcab7e9c48a1711224be57eacb83aaf7284bcb06b888c

      SHA512

      4864ebdf3a8f5f51c5f9cdfd5ac3ea64cb2c7852c62dbfc3375632192ec15dfe3979d2225ceb05a4098539e4023c3f8c8550745164a4d28a850e23ea6e63d41b

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

      Filesize

      832B

      MD5

      7e3a0edd0c6cd8316f4b6c159d5167a1

      SHA1

      753428b4736ffb2c9e3eb50f89255b212768c55a

      SHA256

      1965854dfa54c72529c88c7d9f41fa31b4140cad04cf03d3f0f2e7601fcbdc6c

      SHA512

      9c68f7f72dfa109fcfba6472a1cced85bc6c2a5481232c6d1d039c88b2f65fb86070aeb26ac23e420c6255daca02ea6e698892f7670298d2c4f741b9e9415c7f

    • F:\$RECYCLE.BIN\S-1-5-21-3290804112-2823094203-3137964600-1000\_desktop.ini

      Filesize

      9B

      MD5

      8f7e93ddb13ba90485e607a464d90e13

      SHA1

      cf8017b3bf7648edfeb3ebabc6ec30e0a588bff0

      SHA256

      adaafb82143154ec0c4f4a9ec25824de92a30b708876cc276fae77a83f161ca8

      SHA512

      56ccb7556b9c2563f254f947d63d72d05ffbf7cfaec65ef3f0fb94ae6f95c708c8652002d88af13e5ac35cde6ebb8f2834572392b52a938a1c2e84a063306b78

    • memory/1260-33-0x00000000024E0000-0x00000000024E1000-memory.dmp

      Filesize

      4KB

    • memory/2660-0-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2660-18-0x0000000000230000-0x000000000026E000-memory.dmp

      Filesize

      248KB

    • memory/2660-17-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2772-20-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2772-36-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2772-2965-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2772-4166-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB