Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    13-06-2024 18:43

General

  • Target

    c1c3cb25dc5499c6d203c41310307ef99fdc739ad6eebd25d73554491cd01258.exe

  • Size

    204KB

  • MD5

    5e2cce25d7b597a153412d3b57c26630

  • SHA1

    a30338d312dcf642f790cdde47c42b048d3998ed

  • SHA256

    c1c3cb25dc5499c6d203c41310307ef99fdc739ad6eebd25d73554491cd01258

  • SHA512

    49c7a388c2ded6bf6055ed32e635905b2933f2094894ea9fe77c38f3f325863fcb000613dfcf8a9330dfdb3ac8ce9ce4b131c97643c24c6539eb48f92d5b3480

  • SSDEEP

    6144:8VfjmNz95gdyGuj5TflV/zcgqoKjuHowPAYM64V:+7+z94yGuj5TflV/ggSuHow1M64V

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • 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 10 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1368
      • C:\Users\Admin\AppData\Local\Temp\c1c3cb25dc5499c6d203c41310307ef99fdc739ad6eebd25d73554491cd01258.exe
        "C:\Users\Admin\AppData\Local\Temp\c1c3cb25dc5499c6d203c41310307ef99fdc739ad6eebd25d73554491cd01258.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1848
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a195A.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1276
          • C:\Users\Admin\AppData\Local\Temp\c1c3cb25dc5499c6d203c41310307ef99fdc739ad6eebd25d73554491cd01258.exe
            "C:\Users\Admin\AppData\Local\Temp\c1c3cb25dc5499c6d203c41310307ef99fdc739ad6eebd25d73554491cd01258.exe"
            4⤵
            • Executes dropped EXE
            PID:2020
        • 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:1196
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2256
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2640

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

        Filesize

        251KB

        MD5

        017b5ff3fe0c3468438be2ec74cebc30

        SHA1

        6c3d43933b458fc53062a5d51b8d9570be6d3e2d

        SHA256

        f23e73059d7cbbe7cc9f6a50932f5aa26d25feaf6e1a32c35cd01fa49183a619

        SHA512

        cb317a0becd259af4982ae63e97a1205c250a9cf09b47fbb0460eb2bcbe93421014f49f72c33b51dcd7517034be9b95b09ab7c0312cd79bf5b41b4fd8df6ac77

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

        Filesize

        471KB

        MD5

        99ea9b604a7a734d3087fa6159684c42

        SHA1

        709fa1068ad4d560fe03e05b68056f1b0bedbfc8

        SHA256

        3f733f9e6fec7c4165ca8ba41eb23f604a248babe794c4ad2c6c3ce8032aab1c

        SHA512

        7af8008c7e187f925c62efc97e1891a7a38d089302dba39fbde137fb895e0592847ed0982c824c2075be8e6b95b6ce165ecb848ab85adf53779ebef613410fbb

      • C:\Users\Admin\AppData\Local\Temp\$$a195A.bat

        Filesize

        722B

        MD5

        82e823011c5740429e9f8c61a4413b9b

        SHA1

        83f2530ea2cc5b0d013db1a9bce7feec7357d257

        SHA256

        326ac4c389c668739522863c380ccee5f93e4f57f7970253d968eaa2a90614f5

        SHA512

        c1b1f85f072f73d1f1008e7bd0736c5a9d0a549c25552d217949993314d1610ee821512cf766f8bfab5c3d495ef973af748fede944784853e16cc6406f6e4804

      • C:\Users\Admin\AppData\Local\Temp\c1c3cb25dc5499c6d203c41310307ef99fdc739ad6eebd25d73554491cd01258.exe.exe

        Filesize

        177KB

        MD5

        8384d636427e81096ee6db17a64a847e

        SHA1

        b9d40e60d82f56abb2944204fcbae94b6ee42a8c

        SHA256

        8d167888dc06dd6dc5ac1066019b5d43c117b910699693106e55e555851dc906

        SHA512

        690bf431168139b6e3151cd8d4c8a697717fddc39cf737b00def6719bfd82380b2c49e6ee863dd0098904b3535ab6e452243f0395ddb0549228d9653f406d31f

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        d375bd04f866e1b3276ba3b9779966ad

        SHA1

        1da9855e29a5384522563e0c4bdac786712d8b12

        SHA256

        a540c3c24ac2e3e353f3e0376889b61d7c11c926b29c8f0b8c768aea37daf7be

        SHA512

        78aa0651eeebb8475328fb7090ef3bdc8984ea22c888365727fd7c09533d59873599fc172d291fbadc55e04034fa62e7be405cd501df063105b0c03d7638de10

      • F:\$RECYCLE.BIN\S-1-5-21-3627615824-4061627003-3019543961-1000\_desktop.ini

        Filesize

        9B

        MD5

        4f2460b507685f7d7bfe6393f335f1c9

        SHA1

        378d42f114b1515872e58de6662373af31ab8c7b

        SHA256

        47a22297ce31d17b0f37251ce63cf2eb146700451caab6dd0aa710d2526c8e42

        SHA512

        75dcca6b81ac47511b847a5c35be4bddbee425436f7bfd1347115e18b84f52a16a5c517bda0a5f5d0a1f2541aab80d764932d8018538cb112fa3b6c9977e95eb

      • memory/1196-18-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1196-31-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1196-38-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1196-44-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1196-90-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1196-96-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1196-616-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1196-1850-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1196-2258-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1196-3310-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1368-29-0x0000000002E90000-0x0000000002E91000-memory.dmp

        Filesize

        4KB

      • memory/1848-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1848-16-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB