Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    21-09-2024 13:30

General

  • Target

    b7ecdfadb8193e0d4c39470023e5b0bf8bf3b9e46396bc6a4b2ce16cef85806f.exe

  • Size

    366KB

  • MD5

    d33b240188a947964eece0e096f5655a

  • SHA1

    c94136b07b37e8c6d626bc6ca321110666eb6cec

  • SHA256

    b7ecdfadb8193e0d4c39470023e5b0bf8bf3b9e46396bc6a4b2ce16cef85806f

  • SHA512

    05e3e10f3fd5d13c03b6a0018658a3b9ceefe6857a6f4ef3b0e191372ee1138c07efff02dc88a50a94852f9f4b0a3b8e9e208a1c41cf4b487d0be7a93afb9935

  • SSDEEP

    6144:F+aTCH9L5d5ezLqIFQSDdABbSbIrx1L1l3ERF:F+aTCH9Eq+0BbSox1QF

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 10 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 43 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1192
      • C:\Users\Admin\AppData\Local\Temp\b7ecdfadb8193e0d4c39470023e5b0bf8bf3b9e46396bc6a4b2ce16cef85806f.exe
        "C:\Users\Admin\AppData\Local\Temp\b7ecdfadb8193e0d4c39470023e5b0bf8bf3b9e46396bc6a4b2ce16cef85806f.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1308
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2352
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:1188
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a9D0.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2224
          • C:\Users\Admin\AppData\Local\Temp\b7ecdfadb8193e0d4c39470023e5b0bf8bf3b9e46396bc6a4b2ce16cef85806f.exe
            "C:\Users\Admin\AppData\Local\Temp\b7ecdfadb8193e0d4c39470023e5b0bf8bf3b9e46396bc6a4b2ce16cef85806f.exe"
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            PID:2720
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Drops startup file
          • 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:2760
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2672
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2656
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2596
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2556

    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

      258KB

      MD5

      2b4aef7c4acb1d68ff48de903cb3af35

      SHA1

      1e90f26f35b5433629b3a1fa37b247b8d0b5b3c8

      SHA256

      541b57d4f454df17506e3f9b764654987c7289703048e6850110580496af12ae

      SHA512

      d6bbf8f48c9b5b6d506eb851e85599bd046ee64ccfaaeb21b5d3bf78b8feaa7c93b11c97d91adcfd2ff2d99e8eac1e57f5f69b34db8b48dc83ce68595910b474

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

      Filesize

      477KB

      MD5

      c32f3ae2a93a21a604cd493d86b40278

      SHA1

      4428387f1a1dd12ff5607459bcf4d89cd8ed80fe

      SHA256

      b84bbbbc007c88ca79ea94b2cf92e7a3093c8de3a8ce4b70b6f4d0a9480595a8

      SHA512

      5e7bb3318deebf7663fc4b9c3b20ce75986e32cbb27c34ec94fccf5affde4f0dd9e5dd0bef38510d088ec00b885dccafff09706a75fd927f882540ead7cc7965

    • C:\Users\Admin\AppData\Local\Temp\$$a9D0.bat

      Filesize

      721B

      MD5

      677d07a52705f1cbc87bab74859e8df0

      SHA1

      bfe2cdec9791077b038140c3a7194d3ae3e9cf56

      SHA256

      8656e5e3772c0b0d445403909d0a222f45f75e797c12c56cdc4ec4d9b835f089

      SHA512

      5597865990421db8e295cdd945168c01ea61c4260fa4743f7f1e8c6da4e91b3a6e2d160b6af467db2b33246059649d39301f304d86428900393b499e195cf9f1

    • C:\Users\Admin\AppData\Local\Temp\b7ecdfadb8193e0d4c39470023e5b0bf8bf3b9e46396bc6a4b2ce16cef85806f.exe.exe

      Filesize

      333KB

      MD5

      e5b38b9828293047f0352f7a38a22fb1

      SHA1

      681311628ac93f84371b2a069fa220dc89a3f672

      SHA256

      b85aeeaede189d9f56c843281a492cd8ada329f0b5b8b03d5a813eba3a290b61

      SHA512

      ed3e369451b938a556fb561afd6fd3ff5cfc93e386b035014fd4824a808f1e92e6d095ab33c340e6cd64ee00122fbd882abbcf0e15f3ffdb29a4fb9febe42920

    • C:\Windows\Logo1_.exe

      Filesize

      33KB

      MD5

      d36d00aee2d8e64c3ad696b0154ee4dc

      SHA1

      5537ab115d345223c39377a87f3d941db922e459

      SHA256

      edb062be419ed239b2e7438bd4fc4f9e0ba8162033d4f8580371a94e0d0cd683

      SHA512

      9cdbbea0be2f98b115afebf3faf0f60811d8fce5788666d05e9bced8a55211ef36729e4bedaac2ffd98f338a9eb72ca380bb5f3cfee9559550a96e51c38222fe

    • F:\$RECYCLE.BIN\S-1-5-21-1506706701-1246725540-2219210854-1000\_desktop.ini

      Filesize

      9B

      MD5

      5412111268dd2c1fb1cf8697bfab9b6c

      SHA1

      16d0b289e83c74cb50a004edd7c5750ac706f321

      SHA256

      f3aa35be7048ddbf11fc581e5f9476745d75bcf097e121ba2915614e360a0cdc

      SHA512

      13fc5bf11faaf5471fde8a1bafdcc6d27521bad796e5e532c94d9c8232dd70088e70b6d5ac60c4c15d13e59926ac38e9a9e01b4dd4694a77d70bdd1ae7005ccf

    • memory/1192-28-0x0000000002DE0000-0x0000000002DE1000-memory.dmp

      Filesize

      4KB

    • memory/1308-16-0x0000000000230000-0x000000000026F000-memory.dmp

      Filesize

      252KB

    • memory/1308-0-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/1308-18-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/1308-19-0x0000000000230000-0x000000000026F000-memory.dmp

      Filesize

      252KB

    • memory/2760-31-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/2760-3001-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/2760-4191-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB