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Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    28/02/2024, 23:33

General

  • Target

    6e2f218462b91bf437e52ef0f13779c7958d483c3918a6dea808878aa5693319.exe

  • Size

    2.8MB

  • MD5

    bed10402647b0c71e83f2308d35f7c24

  • SHA1

    33aea471a0c92330d4a7297e3862e532a0368a1d

  • SHA256

    6e2f218462b91bf437e52ef0f13779c7958d483c3918a6dea808878aa5693319

  • SHA512

    e0fec39571c0795d9dd7f261fa1ec5352d11d1d496fef4f8bf030aacfd9d9cc62e6849b5672824ae094e6b65c6f5aa71c3126fe6de8002ce9e2be6bf91a4b738

  • SSDEEP

    49152:X7T6gLKJuMarhVnMFwTH8/giBiBcbk4ZxZ2DqFeVMhuxcPh:Kd1XdhBiiMa7

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 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1200
      • C:\Users\Admin\AppData\Local\Temp\6e2f218462b91bf437e52ef0f13779c7958d483c3918a6dea808878aa5693319.exe
        "C:\Users\Admin\AppData\Local\Temp\6e2f218462b91bf437e52ef0f13779c7958d483c3918a6dea808878aa5693319.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1976
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a148.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          PID:2972
          • C:\Users\Admin\AppData\Local\Temp\6e2f218462b91bf437e52ef0f13779c7958d483c3918a6dea808878aa5693319.exe
            "C:\Users\Admin\AppData\Local\Temp\6e2f218462b91bf437e52ef0f13779c7958d483c3918a6dea808878aa5693319.exe"
            4⤵
            • Executes dropped EXE
            PID:2448
        • 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:2888
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2672
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2532

      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

        251KB

        MD5

        72b78c7a0f4ed4969a8f107c0a03ec2a

        SHA1

        9d2c36fd60c6f5da7f2b53c00c0dd19f8f1734e3

        SHA256

        5ac58be3e267a5eaaf7eb8fe78e96254f37f6bffd1b203f0c7e2cc010f363f9d

        SHA512

        041ec2c15e297de846292a13b4af32d2a6f884e279fb9b387c12407ca756e80224c9319fbfd830e01b398991c139aeaf7bd30c7127bac3e8f1ec80fb9b3b5cc8

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

        Filesize

        471KB

        MD5

        fce01a67577fb7ed0e3e01dad325c7ea

        SHA1

        e120f2e97491465d6cd86700fb30830214d9f8ab

        SHA256

        e23cc73613a5c5ce0937c9c9b219ba3f777b7e27a385e12280b570ade7144842

        SHA512

        823ad15be7d6f243b35016746481e1e53714e625cc621eeb3a82163fa2402e2ea4be2c076d0f0ca178cf99537e879b8b8142a939b299b14ad4efc49db23156d8

      • C:\Users\Admin\AppData\Local\Temp\$$a148.bat

        Filesize

        721B

        MD5

        77f3b24186005fd5fe3ad38f30d9a553

        SHA1

        53eee5c3e61c66ebbff655c61740d52847cfcf2e

        SHA256

        5dac2a89aadded6b3bc259e1aa890c0a857b6c861cc596df68009329466a8acc

        SHA512

        5daf7c280310b5144a2fb934344fcef9ae36a8188500a5591e2c31a1a12fb7b64f1a1d9d16683915d9d94aded3cad5179d533c8440526dc9c533422e0b8b5c07

      • C:\Users\Admin\AppData\Local\Temp\6e2f218462b91bf437e52ef0f13779c7958d483c3918a6dea808878aa5693319.exe.exe

        Filesize

        2.8MB

        MD5

        095092f4e746810c5829038d48afd55a

        SHA1

        246eb3d41194dddc826049bbafeb6fc522ec044a

        SHA256

        2f606012843d144610dc7be55d1716d5d106cbc6acbce57561dc0e62c38b8588

        SHA512

        7f36fc03bfed0f3cf6ac3406c819993bf995e4f8c26a7589e9032c14b5a9c7048f5567f77b3b15f946c5282fc0be6308a92eab7879332d74c400d0c139ce8400

      • C:\Windows\rundl132.exe

        Filesize

        26KB

        MD5

        117882df6beb3d0717ffa507994a5a45

        SHA1

        ca627aa3bd403f618ba52df98f058bd17575a937

        SHA256

        4a5e4f6790935a1b103d45a64f8677b8123d9a0bbb03fa6f62e4e27729f2d6e6

        SHA512

        af76c06ed35e1d70766de56fb839529f9b3c0be1c14694aa63d7bf4f470a08815a679b74153563b85f0fddf56f4f2632e2ea1b88fa6e05ee709df5ce8cfad1a4

      • F:\$RECYCLE.BIN\S-1-5-21-2721934792-624042501-2768869379-1000\_desktop.ini

        Filesize

        9B

        MD5

        20579de1c6702ea14f25df921a00274b

        SHA1

        fc7299007b5fb0580c7a3ef6ae0efd8aaf80a35f

        SHA256

        3eb24c26a19e67d7f499ccb30f78fc29bee126bafd13f41470223c1b8f2e1e4e

        SHA512

        e9a21ede4321b86e5d215d41321741f8db22b9eb92c1325026182c688311d5134041102a194d670abcbd182d2c91d5180ac9b7c9daaf9e41109a3b3d8e3c3d81

      • memory/1200-29-0x0000000003DB0000-0x0000000003DB1000-memory.dmp

        Filesize

        4KB

      • memory/1976-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1976-12-0x0000000000220000-0x0000000000254000-memory.dmp

        Filesize

        208KB

      • memory/1976-16-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2888-38-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2888-44-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2888-90-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2888-96-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2888-814-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2888-1849-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2888-31-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2888-2441-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2888-3309-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2888-21-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB