Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    23/08/2023, 00:01

General

  • Target

    3ad611e6dc108e6ebdc9b8baf0ed446d78cf4f1018a22906e83b8170ace10f12.exe

  • Size

    137KB

  • MD5

    e400f8c5e64b9ba4c1ebcadeae338ae5

  • SHA1

    b03fb476aff7fac14b6e8fb706c844fd54f8b95a

  • SHA256

    3ad611e6dc108e6ebdc9b8baf0ed446d78cf4f1018a22906e83b8170ace10f12

  • SHA512

    9518c94b80d62bd39e41eb7888da60c1c0dfd0280e88337cb84e583f729ba89e97173479c4378056b6b15043f827701f1ce7c0e1aac6ced9f8fc2496d8d4f260

  • SSDEEP

    3072:CMftffjmN8dbyxzDs10QEE6ATFGRs/Fh8Of20twqj:CUVfjmNM+xzAqERTU6Fh8OfOqj

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:1376
      • C:\Users\Admin\AppData\Local\Temp\3ad611e6dc108e6ebdc9b8baf0ed446d78cf4f1018a22906e83b8170ace10f12.exe
        "C:\Users\Admin\AppData\Local\Temp\3ad611e6dc108e6ebdc9b8baf0ed446d78cf4f1018a22906e83b8170ace10f12.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1600
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$aCA9F.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1496
          • C:\Users\Admin\AppData\Local\Temp\3ad611e6dc108e6ebdc9b8baf0ed446d78cf4f1018a22906e83b8170ace10f12.exe
            "C:\Users\Admin\AppData\Local\Temp\3ad611e6dc108e6ebdc9b8baf0ed446d78cf4f1018a22906e83b8170ace10f12.exe"
            4⤵
            • Executes dropped EXE
            PID:2340
        • 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:2248
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2592
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2504

      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

        299ab7dbaeb02447f377af6a205c48f8

        SHA1

        00ca08a1744471210b83edb2dbbd88223fe1edce

        SHA256

        bd8886ea6cffa00bb88a3bf690aee0944e9c3fbe6a4cbf382c58993381278362

        SHA512

        82ad942b87226bb545120b3972ad4e90fcf9068e58f61943b4dc447e490a3c5233b55ee8abc9a493b9be13e07cb3662bae2d26f409c6c3b4539d58b940047f7f

      • C:\Users\Admin\AppData\Local\Temp\$$aCA9F.bat

        Filesize

        722B

        MD5

        76f26769546c3481c9f2f995e523af41

        SHA1

        812d40b879a17a478d018ba41726ab27da1d6ead

        SHA256

        e2795bae333701ce813de8b4cb29f64f15273daf7fd8a2cc9a40713674dc4498

        SHA512

        44e88cbe840a8f3bb35e8bce4f8fec6a287b82197bec4fb2d9f33bbd82792ed74a717549a1a7f3e13625c2727dfa20a95cef955e80cb3dd0cff50ff2691742fb

      • C:\Users\Admin\AppData\Local\Temp\$$aCA9F.bat

        Filesize

        722B

        MD5

        76f26769546c3481c9f2f995e523af41

        SHA1

        812d40b879a17a478d018ba41726ab27da1d6ead

        SHA256

        e2795bae333701ce813de8b4cb29f64f15273daf7fd8a2cc9a40713674dc4498

        SHA512

        44e88cbe840a8f3bb35e8bce4f8fec6a287b82197bec4fb2d9f33bbd82792ed74a717549a1a7f3e13625c2727dfa20a95cef955e80cb3dd0cff50ff2691742fb

      • C:\Users\Admin\AppData\Local\Temp\3ad611e6dc108e6ebdc9b8baf0ed446d78cf4f1018a22906e83b8170ace10f12.exe

        Filesize

        110KB

        MD5

        34e1cc36388a755a38492c7f932b5257

        SHA1

        847b4f43d627bfe7c35ddfba20aed4d93001f6cc

        SHA256

        c4366e7e84950feb88c77325cde96923e0487af3ca8bae9aa5cb0077f0763f46

        SHA512

        1b6ba8276b8f7d1ae69739394182e10196fcd6c0a9c1b41fe553e570848a7f248e68958d634ee83f5efe87e3a01fc3448066e6a7821ab1e3590ff9584f5f8df5

      • C:\Users\Admin\AppData\Local\Temp\3ad611e6dc108e6ebdc9b8baf0ed446d78cf4f1018a22906e83b8170ace10f12.exe.exe

        Filesize

        110KB

        MD5

        34e1cc36388a755a38492c7f932b5257

        SHA1

        847b4f43d627bfe7c35ddfba20aed4d93001f6cc

        SHA256

        c4366e7e84950feb88c77325cde96923e0487af3ca8bae9aa5cb0077f0763f46

        SHA512

        1b6ba8276b8f7d1ae69739394182e10196fcd6c0a9c1b41fe553e570848a7f248e68958d634ee83f5efe87e3a01fc3448066e6a7821ab1e3590ff9584f5f8df5

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        bcba863fad08b47d4a766181d455e05f

        SHA1

        d155fc0a4769bd10b1bdf2b582c4973dbdb8d15c

        SHA256

        40cf326f6c0152dc5fa9dfe0b2314e273d858ba3f6b18fd534d924604ddf55f7

        SHA512

        1dbec3b132c9bd0e5fb8da83d1e567db061eb2362da1fb339c5eef6a464ab4f69d625c2492c237262090f20b7fc2adc11fc362d2540bd955ecbbd85602e8c093

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        bcba863fad08b47d4a766181d455e05f

        SHA1

        d155fc0a4769bd10b1bdf2b582c4973dbdb8d15c

        SHA256

        40cf326f6c0152dc5fa9dfe0b2314e273d858ba3f6b18fd534d924604ddf55f7

        SHA512

        1dbec3b132c9bd0e5fb8da83d1e567db061eb2362da1fb339c5eef6a464ab4f69d625c2492c237262090f20b7fc2adc11fc362d2540bd955ecbbd85602e8c093

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        bcba863fad08b47d4a766181d455e05f

        SHA1

        d155fc0a4769bd10b1bdf2b582c4973dbdb8d15c

        SHA256

        40cf326f6c0152dc5fa9dfe0b2314e273d858ba3f6b18fd534d924604ddf55f7

        SHA512

        1dbec3b132c9bd0e5fb8da83d1e567db061eb2362da1fb339c5eef6a464ab4f69d625c2492c237262090f20b7fc2adc11fc362d2540bd955ecbbd85602e8c093

      • C:\Windows\rundl132.exe

        Filesize

        26KB

        MD5

        bcba863fad08b47d4a766181d455e05f

        SHA1

        d155fc0a4769bd10b1bdf2b582c4973dbdb8d15c

        SHA256

        40cf326f6c0152dc5fa9dfe0b2314e273d858ba3f6b18fd534d924604ddf55f7

        SHA512

        1dbec3b132c9bd0e5fb8da83d1e567db061eb2362da1fb339c5eef6a464ab4f69d625c2492c237262090f20b7fc2adc11fc362d2540bd955ecbbd85602e8c093

      • F:\$RECYCLE.BIN\S-1-5-21-1014134971-2480516131-292343513-1000\_desktop.ini

        Filesize

        9B

        MD5

        4a4922bdf377baedb0460540a7e52405

        SHA1

        82789c7c3ee038da34ac62e38ddde0fe667d52ac

        SHA256

        589848447b17adf03dfa9db6e17b5ec00d1fabf203fa496bae29ed64764a052f

        SHA512

        fe635f97709f5f3df9290c6c53a374351481f13aa45105f48fe3709c15532313eb4d032eed20f2a278b9837c84bba9ba7a7fa2d83cd2a1e3adc0bc930d40c2a1

      • \Users\Admin\AppData\Local\Temp\3ad611e6dc108e6ebdc9b8baf0ed446d78cf4f1018a22906e83b8170ace10f12.exe

        Filesize

        110KB

        MD5

        34e1cc36388a755a38492c7f932b5257

        SHA1

        847b4f43d627bfe7c35ddfba20aed4d93001f6cc

        SHA256

        c4366e7e84950feb88c77325cde96923e0487af3ca8bae9aa5cb0077f0763f46

        SHA512

        1b6ba8276b8f7d1ae69739394182e10196fcd6c0a9c1b41fe553e570848a7f248e68958d634ee83f5efe87e3a01fc3448066e6a7821ab1e3590ff9584f5f8df5

      • memory/1376-82-0x0000000002750000-0x0000000002751000-memory.dmp

        Filesize

        4KB

      • memory/1600-53-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1600-65-0x0000000000330000-0x0000000000364000-memory.dmp

        Filesize

        208KB

      • memory/1600-70-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2248-92-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2248-84-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2248-98-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2248-144-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2248-150-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2248-1904-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2248-2110-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2248-74-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2248-3365-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB