Analysis

  • max time kernel
    96s
  • max time network
    158s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    09-07-2020 07:39

General

  • Target

    g6U2rSph70sSCrs.exe

  • Size

    1.1MB

  • MD5

    c5a8bc40ff71edd375159f5acb24727b

  • SHA1

    ac2193a30406e97ee9f3b6a19818b0c684179af1

  • SHA256

    5e89838b965d79a4782b3f1079a810f8a801c0b91e0cd71081d9580d1b954f70

  • SHA512

    50828348ade4301137419e26da067f2a3799b1b8a5b5c81dc534921242c8f79f97a89d9fc5ebbbce57d739f557fec5f3f5c0f4d661cb786f79c9ad8b0033374d

Malware Config

Signatures

  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious use of WriteProcessMemory 13 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Looks up external IP address via web service 1 IoCs

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

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\g6U2rSph70sSCrs.exe
    "C:\Users\Admin\AppData\Local\Temp\g6U2rSph70sSCrs.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    PID:1012
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YNOfUqeIqSc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3552.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1408
    • C:\Users\Admin\AppData\Local\Temp\g6U2rSph70sSCrs.exe
      "{path}"
      2⤵
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of AdjustPrivilegeToken
      PID:1784

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp3552.tmp

  • memory/1012-1-0x0000000000000000-0x0000000000000000-disk.dmp

  • memory/1408-2-0x0000000000000000-mapping.dmp

  • memory/1784-4-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB

  • memory/1784-5-0x00000000004941BE-mapping.dmp

  • memory/1784-6-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB

  • memory/1784-7-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB