Analysis

  • max time kernel
    149s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2024 06:09

General

  • Target

    558c26ce0acd42db3a916cb557de680fd6f7733e9355b5daf950fe3b1dd53be4.exe

  • Size

    39KB

  • MD5

    c1c4393bd2098d79eefa6ac914668e70

  • SHA1

    5f18df44f05b51013ec8334a23b8f036638245a1

  • SHA256

    558c26ce0acd42db3a916cb557de680fd6f7733e9355b5daf950fe3b1dd53be4

  • SHA512

    596a0f6d205d3cfdec032ec9dfbd3f660debf0917ee65c5d19f9f0e6e68e82e354730c0992b177b00419f516ae762568fff873e5e4b32ce4c91b17ff07933f76

  • SSDEEP

    768:8RO5RroZJ76739/dZVdfpULiAYXjPrN+8WEjrZMYjV8mp8w:8Re+Zk7VJbwlYXjPrsqrZMYR5p8w

Malware Config

Signatures

  • Drops startup file 2 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 2 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 30 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1184
      • C:\Users\Admin\AppData\Local\Temp\558c26ce0acd42db3a916cb557de680fd6f7733e9355b5daf950fe3b1dd53be4.exe
        "C:\Users\Admin\AppData\Local\Temp\558c26ce0acd42db3a916cb557de680fd6f7733e9355b5daf950fe3b1dd53be4.exe"
        2⤵
        • Drops startup file
        • 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:3032
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2360
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2288
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1884
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:352

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files\7-Zip\7zFM.exe

      Filesize

      970KB

      MD5

      bc105cdfcb81389359eaadf3d8c6af82

      SHA1

      5069aff5719da008c610414fd4e537f7decb473c

      SHA256

      afaa71563979a6684f2c5fc87c6c3e2856ccfb6e1c883e88ebb2b14440b508e6

      SHA512

      bf365283ecea2bc8ea121725aabcb0767c34b6b8fe60cf325ac55634b1b922d97595f22bd6d1e1ba7492d2e1a9563b76eaac12077ab9e81c8bba8a64dfbc1011

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

      Filesize

      484KB

      MD5

      a803cec17e97a23f06f00bad17aa1236

      SHA1

      7a5c9795e740bbf318d745de0eb80adb7d74538d

      SHA256

      2846d29686b5eef885188d8c5dc0ff71e19a25d497490f99f99e837959a7b7ff

      SHA512

      ca0b62858ee4af691cd9dfa6c9325d4dbe1e2dd232c8f30e24156dc9560211666724e41e305467475760b80bdbed429887e2032191147c60504fb04e512ca620

    • F:\$RECYCLE.BIN\S-1-5-21-3434294380-2554721341-1919518612-1000\_desktop.ini

      Filesize

      9B

      MD5

      82fa69b12ac2df558c85e86426eb13eb

      SHA1

      ad90b8756e3bebe04450f6950419c761844d7b7e

      SHA256

      f7622a3740b818722e46a36b5aeb1c0ba6bec25bec811e3dcfe0b5ba1d728775

      SHA512

      3c4da39d3b0d68ade3ff8ded69bf1e78a1ef88f7ed70c85572ae06e6be78155ffc2f557f577208e579191be2d8be2a1fa833b9ca74a35bb69cf9c32c23f4d99f

    • memory/1184-3-0x0000000002D60000-0x0000000002D61000-memory.dmp

      Filesize

      4KB

    • memory/3032-0-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/3032-7-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/3032-2977-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/3032-4170-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB