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Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    18/10/2024, 03:11

General

  • Target

    33035443578043d6be674eca241bb9aa40ec36b6a7630814c0dca964d96c87ce.exe

  • Size

    662KB

  • MD5

    e81af1ea02dd7237e3333d81d2792e7c

  • SHA1

    25b73b28075cc8ea10af6225e0427c076b00857b

  • SHA256

    33035443578043d6be674eca241bb9aa40ec36b6a7630814c0dca964d96c87ce

  • SHA512

    fdc88168dbb653dd53d834e2540e8d0f371dd67bfa6b581a190aabc2c607fffb0534c4a1bde2ddd16e2c934a14210a4d3b7f39d0c60da32ffb3ac548f7fad507

  • SSDEEP

    6144:auJpC9LRU0ySj14WH+JPb7uL8zRMnJjNhAp7SO8zRMnJjNhAp7S8FRcdEKFVAh7f:wPFlTz

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
  • System Location Discovery: System Language Discovery 1 TTPs 5 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 10 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1352
      • C:\Users\Admin\AppData\Local\Temp\33035443578043d6be674eca241bb9aa40ec36b6a7630814c0dca964d96c87ce.exe
        "C:\Users\Admin\AppData\Local\Temp\33035443578043d6be674eca241bb9aa40ec36b6a7630814c0dca964d96c87ce.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2880
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a337F.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2060
          • C:\Users\Admin\AppData\Local\Temp\33035443578043d6be674eca241bb9aa40ec36b6a7630814c0dca964d96c87ce.exe
            "C:\Users\Admin\AppData\Local\Temp\33035443578043d6be674eca241bb9aa40ec36b6a7630814c0dca964d96c87ce.exe"
            4⤵
            • Executes dropped EXE
            PID:2488
        • 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
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2832
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2912
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2772

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      474KB

      MD5

      fa2fdaa379bd3cadb1c742596d15cd21

      SHA1

      acde37ebbb6e0b7168ee3ed03c1098ba1ddc3826

      SHA256

      16825fdfe8f416651a17ff2b21867a125f622e4efd7cd3547ecc24542886015d

      SHA512

      f5af57ac6dfc99b9a346563e906ef7817920635619265efa20e428aa9a6ec7914e8bc16458e43915d64107e280d417bca319f66665df74c8cf63bb2d0ea850aa

    • C:\Users\Admin\AppData\Local\Temp\$$a337F.bat

      Filesize

      722B

      MD5

      1b9e40f397c0328538283f0b07b1b10f

      SHA1

      ca7651bd611e2f04345fd2f8cf66bfacbe302274

      SHA256

      08483adc0e3510cd9e5f203183153100a02771f048adb31dad52309216f76bd6

      SHA512

      c794d8228a83293dbec073de560a2e3a6c8e436e7151a8ab466ab4c93d05113171caaa1b5ffac535a2b5f6dccedb142b2b1c291aa4bd9e80220a3f404ae8402a

    • C:\Users\Admin\AppData\Local\Temp\33035443578043d6be674eca241bb9aa40ec36b6a7630814c0dca964d96c87ce.exe.exe

      Filesize

      633KB

      MD5

      2e0d056ad62b6ef87a091003714fd512

      SHA1

      73150bddb5671c36413d9fbc94a668f132a2edc5

      SHA256

      cb83f04591cc1d602e650dd5c12f4470cf21b04328477bd6a52081f37c04bd7c

      SHA512

      b8e920f8b7547aec6f5771e3e6119b01157e5e36a92c67142b0d73ffe0d501d933581e1fc752e5bba9ce819e3897be9c146bebfc0018e91318b0c99d188a2580

    • C:\Windows\Logo1_.exe

      Filesize

      29KB

      MD5

      ce0db577195cd286df2ff795702e20ac

      SHA1

      c9c883d3494432d600677933117a57e0a89847cb

      SHA256

      ec14dab77f554ce95a1ce757da871e25754988b0fa62820bc662e1bef51b134e

      SHA512

      2b2b184720868f98e2fef2524a03ae2258854320ed532acddd90900da1ac4deee1f542f607d05ebaedcd8dbc14bbb8d0f359af12a76d57ced7cde53d9784a67a

    • F:\$RECYCLE.BIN\S-1-5-21-3692679935-4019334568-335155002-1000\_desktop.ini

      Filesize

      10B

      MD5

      2c51e5c30f050245287a14eb60e30d30

      SHA1

      b59cbcb7f2c8f7f05c0fa80fd351595af1996f0e

      SHA256

      9310f08a28e46a620f4a99b4e12bf599760f5229b2ef0eb6c8e0be72b4197b88

      SHA512

      fb572888fe5c33c9d5f2ee5d138172a57b57e8b3e8b8eca76dea964e99f72692fe4fea9da946d4e5a4871f3c004571a9ea11ef77e3ef100d45f4a806ce2eb5c5

    • memory/1352-29-0x0000000002580000-0x0000000002581000-memory.dmp

      Filesize

      4KB

    • memory/2832-98-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2832-31-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2832-39-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2832-45-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2832-91-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2832-105-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2832-1874-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2832-3334-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2832-18-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2880-16-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2880-0-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB