Analysis

  • max time kernel
    139s
  • max time network
    32s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    30-06-2020 13:48

General

  • Target

    0wXMVcQJzBu2NZw.exe

  • Size

    435KB

  • MD5

    f4504538712c057a2e4803f7b1c843f2

  • SHA1

    78fe17b8f3d64f94e70fb74cfb421dee583012b5

  • SHA256

    948f8bbf5ff952553250dba77394a3c5f2e1745bb2b4df861609048f8ba55fb9

  • SHA512

    ee104a9bcaa32ec8aaffe2b324e5599dd25fa5df1280b19c5582e4c072d34cf7d41140e9ddee8b180da4445d3be8402f278212abbfc40f37e4e6adcf438c800c

Malware Config

Signatures

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of WriteProcessMemory 13 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Reads user/profile data of local email clients 2 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0wXMVcQJzBu2NZw.exe
    "C:\Users\Admin\AppData\Local\Temp\0wXMVcQJzBu2NZw.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iJRtycW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5C23.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1252
    • C:\Users\Admin\AppData\Local\Temp\0wXMVcQJzBu2NZw.exe
      "{path}"
      2⤵
      • Suspicious use of SetWindowsHookEx
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1848

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp5C23.tmp
  • memory/1252-0-0x0000000000000000-mapping.dmp
  • memory/1848-2-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1848-3-0x000000000044704E-mapping.dmp
  • memory/1848-4-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1848-5-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB