Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    03/09/2023, 00:33

General

  • Target

    df229e3e0be5f93c097e4927b713d6b4f5a6090fb84cf3d07e1b6fc37a0dec19.exe

  • Size

    242KB

  • MD5

    cc5cb119d258e9884ad4dcdd30f8845e

  • SHA1

    759adf9a75ed58233389b5a5dea4e3a456cfba3a

  • SHA256

    df229e3e0be5f93c097e4927b713d6b4f5a6090fb84cf3d07e1b6fc37a0dec19

  • SHA512

    08c010dde6cc720c9cedda97235d843054b6da6319dae6c21a040300441de434fde2cdfc494d2a85a54a06e698df52e4792487c21325935c461d9bc6944f8e9f

  • SSDEEP

    6144:3GuJgAGVNaPtpNZxI4sTBCFyn/7IwBrPi:+aFjdsTcFyn/7Iw5

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:1192
      • C:\Users\Admin\AppData\Local\Temp\df229e3e0be5f93c097e4927b713d6b4f5a6090fb84cf3d07e1b6fc37a0dec19.exe
        "C:\Users\Admin\AppData\Local\Temp\df229e3e0be5f93c097e4927b713d6b4f5a6090fb84cf3d07e1b6fc37a0dec19.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1492
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a4AA7.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2880
          • C:\Users\Admin\AppData\Local\Temp\df229e3e0be5f93c097e4927b713d6b4f5a6090fb84cf3d07e1b6fc37a0dec19.exe
            "C:\Users\Admin\AppData\Local\Temp\df229e3e0be5f93c097e4927b713d6b4f5a6090fb84cf3d07e1b6fc37a0dec19.exe"
            4⤵
            • Executes dropped EXE
            PID:2736
        • 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:1968
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2712
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2732

      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

        254KB

        MD5

        e689c29da266201da624380c99210d7a

        SHA1

        f2e582dab9e0b507c05a90b7d7b353253d1479cb

        SHA256

        14563ed51a3a2161def033a46ba7c60499b6386484ed514c26f78b73e237a627

        SHA512

        48975ab15b16c7035157649a41f212b01a91a57348bd8cdd412769839210ca308f91ea77ab6e804e903e174b72820e4280eecd14709493df0ea2e9da5efa030d

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

        Filesize

        474KB

        MD5

        4fd672068b4fa9ace0605d7554d11dfa

        SHA1

        8058f5be0c2800dc82e67ab31f303990c561e98e

        SHA256

        264a00d6c978f93cd74998628bc8b6ce7904d428b21a8d81c4d26f3dffe0173f

        SHA512

        f6543c1e11ff263c00597a204a111aa7192610baaeabb488dd533fea4da4c5901e8852985681bb3172a4b2d4a8454931beae47186e8bbf633d11b0dcbc6080da

      • C:\Users\Admin\AppData\Local\Temp\$$a4AA7.bat

        Filesize

        722B

        MD5

        11b15730ce6ee56ac7aae773d5b1c2d5

        SHA1

        23de4bb739ebb93fb4c3541658cced1e5f5eba38

        SHA256

        87e01191d4e42cc4d362e6f2b32a430c582ed2a7638435f9ca6a18795597fea6

        SHA512

        6c2bb5d61e785ff58c9dc35c47a1af621b605e228ca47b46f54523988c394ecc77e9bf8f5a49fea855c86adb34ced803f9bc6bede181a54977f2a6b682baf4da

      • C:\Users\Admin\AppData\Local\Temp\$$a4AA7.bat

        Filesize

        722B

        MD5

        11b15730ce6ee56ac7aae773d5b1c2d5

        SHA1

        23de4bb739ebb93fb4c3541658cced1e5f5eba38

        SHA256

        87e01191d4e42cc4d362e6f2b32a430c582ed2a7638435f9ca6a18795597fea6

        SHA512

        6c2bb5d61e785ff58c9dc35c47a1af621b605e228ca47b46f54523988c394ecc77e9bf8f5a49fea855c86adb34ced803f9bc6bede181a54977f2a6b682baf4da

      • C:\Users\Admin\AppData\Local\Temp\df229e3e0be5f93c097e4927b713d6b4f5a6090fb84cf3d07e1b6fc37a0dec19.exe

        Filesize

        213KB

        MD5

        53dcf0ffa53be374a64f3d64bf355f60

        SHA1

        b5632a6b9d2f140f60faa43fc79e7d238917b0c8

        SHA256

        7bc8a09c86e637c9b99ffedad92c2b3f1f648cc457b0d3962d63e57c73c5c23c

        SHA512

        821d82c905c05980a736968e80f3667c7fb3c6189d0a9a4b6af9a7858091869179d2be087890a9902e835fa1a31306894610eb27475876d404267aca16cd2267

      • C:\Users\Admin\AppData\Local\Temp\df229e3e0be5f93c097e4927b713d6b4f5a6090fb84cf3d07e1b6fc37a0dec19.exe.exe

        Filesize

        213KB

        MD5

        53dcf0ffa53be374a64f3d64bf355f60

        SHA1

        b5632a6b9d2f140f60faa43fc79e7d238917b0c8

        SHA256

        7bc8a09c86e637c9b99ffedad92c2b3f1f648cc457b0d3962d63e57c73c5c23c

        SHA512

        821d82c905c05980a736968e80f3667c7fb3c6189d0a9a4b6af9a7858091869179d2be087890a9902e835fa1a31306894610eb27475876d404267aca16cd2267

      • C:\Windows\Logo1_.exe

        Filesize

        29KB

        MD5

        91cc870a2e033845ccd705e5615229e3

        SHA1

        ee50320fa6fb77dbd099443c67b5223dfc26817f

        SHA256

        8cef20d8fbb35b4552ab0cd4cab0de1f186befbba4fa0d6f70e5505fda9a4341

        SHA512

        c14e6dfb3c3a24ddda42710787077765f7dca3a2c9d94c898481ffdbaaa1e90469cdba75ff26f23206d48d125d685b67530c0a89456942f091651a8862f20b5b

      • C:\Windows\Logo1_.exe

        Filesize

        29KB

        MD5

        91cc870a2e033845ccd705e5615229e3

        SHA1

        ee50320fa6fb77dbd099443c67b5223dfc26817f

        SHA256

        8cef20d8fbb35b4552ab0cd4cab0de1f186befbba4fa0d6f70e5505fda9a4341

        SHA512

        c14e6dfb3c3a24ddda42710787077765f7dca3a2c9d94c898481ffdbaaa1e90469cdba75ff26f23206d48d125d685b67530c0a89456942f091651a8862f20b5b

      • C:\Windows\Logo1_.exe

        Filesize

        29KB

        MD5

        91cc870a2e033845ccd705e5615229e3

        SHA1

        ee50320fa6fb77dbd099443c67b5223dfc26817f

        SHA256

        8cef20d8fbb35b4552ab0cd4cab0de1f186befbba4fa0d6f70e5505fda9a4341

        SHA512

        c14e6dfb3c3a24ddda42710787077765f7dca3a2c9d94c898481ffdbaaa1e90469cdba75ff26f23206d48d125d685b67530c0a89456942f091651a8862f20b5b

      • C:\Windows\rundl132.exe

        Filesize

        29KB

        MD5

        91cc870a2e033845ccd705e5615229e3

        SHA1

        ee50320fa6fb77dbd099443c67b5223dfc26817f

        SHA256

        8cef20d8fbb35b4552ab0cd4cab0de1f186befbba4fa0d6f70e5505fda9a4341

        SHA512

        c14e6dfb3c3a24ddda42710787077765f7dca3a2c9d94c898481ffdbaaa1e90469cdba75ff26f23206d48d125d685b67530c0a89456942f091651a8862f20b5b

      • F:\$RECYCLE.BIN\S-1-5-21-607259312-1573743425-2763420908-1000\_desktop.ini

        Filesize

        8B

        MD5

        95127a81ba5781b47158c7bade11f958

        SHA1

        fa289ca07d3998db8f732dc188ff099b7dcefd86

        SHA256

        4b413fdd0fc873cb5cf1b957078e2786827cb8d3665159e02b7bfda486133aaf

        SHA512

        c1403a7b2e462b09a03f09ba4ecff788db0d0402c09086b65c435c606a5c898ebc9959e47f77a5985881eee0e4364b035a3fa926672e8b61e2cc9bf7c3b169a0

      • \Users\Admin\AppData\Local\Temp\df229e3e0be5f93c097e4927b713d6b4f5a6090fb84cf3d07e1b6fc37a0dec19.exe

        Filesize

        213KB

        MD5

        53dcf0ffa53be374a64f3d64bf355f60

        SHA1

        b5632a6b9d2f140f60faa43fc79e7d238917b0c8

        SHA256

        7bc8a09c86e637c9b99ffedad92c2b3f1f648cc457b0d3962d63e57c73c5c23c

        SHA512

        821d82c905c05980a736968e80f3667c7fb3c6189d0a9a4b6af9a7858091869179d2be087890a9902e835fa1a31306894610eb27475876d404267aca16cd2267

      • memory/1192-30-0x0000000002A70000-0x0000000002A71000-memory.dmp

        Filesize

        4KB

      • memory/1492-0-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1492-16-0x0000000000440000-0x0000000000476000-memory.dmp

        Filesize

        216KB

      • memory/1492-18-0x0000000000440000-0x0000000000476000-memory.dmp

        Filesize

        216KB

      • memory/1492-15-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1968-45-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1968-39-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1968-91-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1968-98-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1968-177-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1968-1850-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1968-32-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1968-3310-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1968-22-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB