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Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    10/07/2020, 07:14

General

  • Target

    image 0024.exe

  • Size

    436KB

  • MD5

    cb29b25b3afa9f01540dbb781268094c

  • SHA1

    2d7042e338459225c4a79f5798f966add0c6389a

  • SHA256

    3aa145f9e9873605383376b07bf5ec61bce5138cb875b29b706e17a30377dbf8

  • SHA512

    546088211917a5e379b4bb2e4c3d0e552f78e4b2fc54049c9062cdbafc4ba62cce3028acef6a92effd8f8be72d1b49d9cbe1228bb210a59c201393bec805683e

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.ociii.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    yearofblockmoney5024

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\image 0024.exe
    "C:\Users\Admin\AppData\Local\Temp\image 0024.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OQElETA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp85F1.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1112
    • C:\Users\Admin\AppData\Local\Temp\image 0024.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1520

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1520-4-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1520-6-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1520-7-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB