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Analysis

  • max time kernel
    141s
  • max time network
    84s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    09/07/2020, 01:27

General

  • Target

    IMG_19982_9902998_9903_11.JPG.exe

  • Size

    882KB

  • MD5

    adf686003966597f85130235175d7b1d

  • SHA1

    19d0a4119067058e4bfcbf5e7d2ce079cde573a0

  • SHA256

    b096432d69876325ddf0d8d1dde353ce4c324e2c358f893481d2df4b9c6369b7

  • SHA512

    69d513b139fef9622a85db4e42a03e5b67e62089feb18ae0f8a1c27a77fc93413676f9b65a56a0fdc9d8650a579c5630f7ddf88a96bc12575797f1ab8d8f177b

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.knmbz.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    kJubHQs8

Signatures

  • AgentTesla

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

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

Processes

  • C:\Users\Admin\AppData\Local\Temp\IMG_19982_9902998_9903_11.JPG.exe
    "C:\Users\Admin\AppData\Local\Temp\IMG_19982_9902998_9903_11.JPG.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    PID:4004
    • C:\Users\Admin\AppData\Local\Temp\IMG_19982_9902998_9903_11.JPG.exe
      "{path}"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: EnumeratesProcesses
      PID:2152

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2152-0-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB