Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-09-2024 17:48

General

  • Target

    c3bdd8ddd75e10a6fc012eecb6e7bb46499d53e56e4380700279abd58a03144a.exe

  • Size

    2.3MB

  • MD5

    79ae8800dc1059c4365073f4c15ed5eb

  • SHA1

    a9ef66eda37414e731630c15b551cd251da13892

  • SHA256

    c3bdd8ddd75e10a6fc012eecb6e7bb46499d53e56e4380700279abd58a03144a

  • SHA512

    b95edc41bf5609cabf9a104240913004cc6801ad6cab3c22a97fcffa203454564d70740d25b2b8f9e3de5594674711c2b42846eaa4ebdd757d9849afe5cea5e2

  • SSDEEP

    49152:J7iuAJld1NwfF0GSYbL+0Joz7ITd2fVy+dlyTTTulk1vOvUM:4uAJld1Nc/P6zud2fVy4lggk2vUM

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 6 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 12 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1212
      • C:\Users\Admin\AppData\Local\Temp\c3bdd8ddd75e10a6fc012eecb6e7bb46499d53e56e4380700279abd58a03144a.exe
        "C:\Users\Admin\AppData\Local\Temp\c3bdd8ddd75e10a6fc012eecb6e7bb46499d53e56e4380700279abd58a03144a.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2652
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$aFFA3.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2664
          • C:\Users\Admin\AppData\Local\Temp\c3bdd8ddd75e10a6fc012eecb6e7bb46499d53e56e4380700279abd58a03144a.exe
            "C:\Users\Admin\AppData\Local\Temp\c3bdd8ddd75e10a6fc012eecb6e7bb46499d53e56e4380700279abd58a03144a.exe"
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            PID:2564
        • 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:2660
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2820
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2676

    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

      02378bd465c0d57e5becd8dec3895848

      SHA1

      e3352edc68a15994b9a8ff5c4b7bfb81e1b475b4

      SHA256

      2ff92e38be5bf6f9d6c761e5770b081d94f0ff53a24060d81e155bd19ffc9cbe

      SHA512

      362ca40c0c5d68fbd8cf40511d08bba5de4e0acc1382429ef95711ab4fc7afced3500ffc686ab76daf7dd66716aba749e27ba014d91869f13ca6442c8d56a63b

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

      Filesize

      471KB

      MD5

      4cfdb20b04aa239d6f9e83084d5d0a77

      SHA1

      f22863e04cc1fd4435f785993ede165bd8245ac6

      SHA256

      30ed17ca6ae530e8bf002bcef6048f94dba4b3b10252308147031f5c86ace1b9

      SHA512

      35b4c2f68a7caa45f2bb14b168947e06831f358e191478a6659b49f30ca6f538dc910fe6067448d5d8af4cb8558825d70f94d4bd67709aee414b2be37d49be86

    • C:\Users\Admin\AppData\Local\Temp\$$aFFA3.bat

      Filesize

      722B

      MD5

      5ac93773801d11498bacbcada0074e1d

      SHA1

      1d9da638f36988d32b045a94dea6315f4e47f803

      SHA256

      a92be8698e96acb86ecf381861b9738dac29965047569a4f50837a28d9d95dde

      SHA512

      c383e41ae6cc475ee389f7135c220c6ba4602554f4e78b9e796313dd7192d5c2e591697a94a0a27734bccbdeb1b074309afea7c8730d12f7d4b82648b17fa245

    • C:\Users\Admin\AppData\Local\Temp\c3bdd8ddd75e10a6fc012eecb6e7bb46499d53e56e4380700279abd58a03144a.exe.exe

      Filesize

      2.3MB

      MD5

      d424f3972ca2b1f314a037e97d906128

      SHA1

      e4511513afd534c7caab637537ba36752c1b2120

      SHA256

      6faa3a2305217bb7b09b48635f885be4943182279b743ce694361753d49f7e42

      SHA512

      bfe697bc02beacbc16484d60cb1d0268f8ecd0a707a3b1554fdb535130e85d487ea64e5fe098204be7e9b4a11374066178e68d9c727d14a89eefd079ba4ffb1e

    • C:\Windows\Logo1_.exe

      Filesize

      26KB

      MD5

      c474b36ee670d0befb8b3442b383647e

      SHA1

      cbefd636854e54c8ba30014c14a41130bb08f136

      SHA256

      e0f5b3669e539794344317f8000194313e5428a839a76341491c5698dd4b40f6

      SHA512

      ef840ac2b62a7146a699dbcf8101b8619dba97b96ed8c04f0546861d95cb6fa9e2e6cc676e7340d657d9c82071b6ff31c56ba77f76e069a37066a880d3c0a44e

    • F:\$RECYCLE.BIN\S-1-5-21-312935884-697965778-3955649944-1000\_desktop.ini

      Filesize

      9B

      MD5

      e02899454c67c7d6d1af854fdcb53b67

      SHA1

      26fb213f7c299c2a4d8c4afd234ee0b751d7a30e

      SHA256

      0e67e90646d3ba7b46f935b205c9f89e8bff2dca7aeda3cd5dfb93868b262315

      SHA512

      e1519bebf62ab4cb28e630a201312812e04f815ec0663f7b68b478da97c0bf7c7c2238a8632540d3d1f37acbe83919fb198b39ebeb222c19faa2130ab65ffffa

    • memory/1212-31-0x0000000002A30000-0x0000000002A31000-memory.dmp

      Filesize

      4KB

    • memory/2564-28-0x0000000000270000-0x0000000000271000-memory.dmp

      Filesize

      4KB

    • memory/2564-29-0x0000000000400000-0x000000000068D000-memory.dmp

      Filesize

      2.6MB

    • memory/2652-16-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2652-0-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2660-48-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2660-42-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2660-95-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2660-100-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2660-712-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2660-1877-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2660-21-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2660-3337-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2660-34-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB