Analysis

  • max time kernel
    150s
  • max time network
    27s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    04-12-2020 00:26

General

  • Target

    35749bf0399ad629dc18643c73dc0169dff7e1534ebc6fea6b91ff2363e8c4d9.exe

  • Size

    517KB

  • MD5

    a2ff7286733081bdee0489c9ef2eab7c

  • SHA1

    ae5d578f6cef3b2c64abeaccb581b77d200201d9

  • SHA256

    35749bf0399ad629dc18643c73dc0169dff7e1534ebc6fea6b91ff2363e8c4d9

  • SHA512

    270966ff3ec07c445a24d60d18c19720e5bdf9da601542eb19a7530ef19a1337589133eacd5d5faf6b8a189cac5ac8284f635199900762b3c2b6c06dbd295b0b

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
  • Checks whether UAC is enabled 1 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\35749bf0399ad629dc18643c73dc0169dff7e1534ebc6fea6b91ff2363e8c4d9.exe
    "C:\Users\Admin\AppData\Local\Temp\35749bf0399ad629dc18643c73dc0169dff7e1534ebc6fea6b91ff2363e8c4d9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:296
    • C:\Users\Admin\AppData\Local\Temp\35749bf0399ad629dc18643c73dc0169dff7e1534ebc6fea6b91ff2363e8c4d9.exe
      "C:\Users\Admin\AppData\Local\Temp\35749bf0399ad629dc18643c73dc0169dff7e1534ebc6fea6b91ff2363e8c4d9.exe"
      2⤵
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:680

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/680-76-0x0000000000080000-0x00000000000B8000-memory.dmp

    Filesize

    224KB

  • memory/680-77-0x0000000000080000-0x00000000000B8000-memory.dmp

    Filesize

    224KB

  • memory/1732-85-0x000007FEF6580000-0x000007FEF67FA000-memory.dmp

    Filesize

    2.5MB