Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    03-08-2023 15:51

General

  • Target

    45fd36c20df0c6d0bc44a80a1377d379aad5901eb80418c848249d57238a33c5exe_JC.exe

  • Size

    836KB

  • MD5

    97f65414b331bda98d55063e56bb4a91

  • SHA1

    dbd84e5b5a6e191e3c5cf5f74ab67e661a318ecb

  • SHA256

    45fd36c20df0c6d0bc44a80a1377d379aad5901eb80418c848249d57238a33c5

  • SHA512

    62f23f53e30581b8adeff86d1fbd71214c27749a99af0ba2a5b1b2959d0c5a9add313ed40ab45837f39e87ae2e6fae08b51988105eea1a98a8f6d93f4192c634

  • SSDEEP

    24576:F1pppNpppppoOQpppNpppppoOX5u+enW/j5n:F8O7OXXl5

Malware Config

Signatures

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\45fd36c20df0c6d0bc44a80a1377d379aad5901eb80418c848249d57238a33c5exe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\45fd36c20df0c6d0bc44a80a1377d379aad5901eb80418c848249d57238a33c5exe_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2524
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WxyEYFaoEO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF2A8.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2832
    • C:\Users\Admin\AppData\Local\Temp\45fd36c20df0c6d0bc44a80a1377d379aad5901eb80418c848249d57238a33c5exe_JC.exe
      "{path}"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2964

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpF2A8.tmp

    Filesize

    1KB

    MD5

    8a0ea9449a24f69b631e8de503c983f9

    SHA1

    16dea7ddbc5c1f91bc9c200b98ace75b852c5a9c

    SHA256

    cb0526853173a7e163adffb102e77d04a5539652cee1613140577e779ce45149

    SHA512

    e9219844d9222e51722c864725d739950163d7395c5698f213cf08a2f1db3592be54d9af5025c79ea18a72dac76b94e55a023925415929432d5fbce440d5dd07

  • memory/2524-54-0x0000000000C80000-0x0000000000D58000-memory.dmp

    Filesize

    864KB

  • memory/2524-55-0x0000000074B60000-0x000000007524E000-memory.dmp

    Filesize

    6.9MB

  • memory/2524-56-0x00000000021B0000-0x00000000021F0000-memory.dmp

    Filesize

    256KB

  • memory/2524-57-0x0000000074B60000-0x000000007524E000-memory.dmp

    Filesize

    6.9MB

  • memory/2524-58-0x00000000021B0000-0x00000000021F0000-memory.dmp

    Filesize

    256KB

  • memory/2524-59-0x0000000000270000-0x0000000000284000-memory.dmp

    Filesize

    80KB

  • memory/2524-60-0x00000000053F0000-0x0000000005470000-memory.dmp

    Filesize

    512KB

  • memory/2524-61-0x0000000000C40000-0x0000000000C82000-memory.dmp

    Filesize

    264KB

  • memory/2524-76-0x0000000074B60000-0x000000007524E000-memory.dmp

    Filesize

    6.9MB

  • memory/2964-66-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2964-67-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2964-68-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2964-69-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2964-71-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2964-73-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2964-65-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2964-75-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2964-77-0x0000000074B60000-0x000000007524E000-memory.dmp

    Filesize

    6.9MB

  • memory/2964-78-0x0000000004BE0000-0x0000000004C20000-memory.dmp

    Filesize

    256KB

  • memory/2964-79-0x0000000074B60000-0x000000007524E000-memory.dmp

    Filesize

    6.9MB