Analysis

  • max time kernel
    116s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    08-07-2020 16:52

General

  • Target

    Oustanding payment.exe

  • Size

    1.1MB

  • MD5

    e08e4eed875f9d63a180d0e637f3b548

  • SHA1

    56222b109f96af4bc3db178f5a84ec9282553bb8

  • SHA256

    b929c43ad6f3aefd59485197209608aee28ba2517eba13c2cdf2fe8c6a3d1d5d

  • SHA512

    14f59f9d67d00259b90f45bf90ae4fe6bbab6a41e74e3705b8e033a8312ba838e478cda168cfa32ec09d75b6584e1f419647c4fa5911a05edab5c888073f7fc6

Malware Config

Signatures

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 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.

  • MassLogger

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

  • 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 use of SetThreadContext 1 IoCs
  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • Reads user/profile data of web browsers 2 TTPs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Oustanding payment.exe
    "C:\Users\Admin\AppData\Local\Temp\Oustanding payment.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    PID:900
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\REFOXeHHNCG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA5B0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1080
    • C:\Users\Admin\AppData\Local\Temp\Oustanding payment.exe
      "{path}"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: EnumeratesProcesses
      PID:1644

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1644-4-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB

  • memory/1644-7-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB

  • memory/1644-6-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB