Analysis

  • max time kernel
    107s
  • max time network
    96s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    09-07-2020 13:50

General

  • Target

    DHL EXPRESS 564564645.exe

  • Size

    528KB

  • MD5

    32662db2df40ad788457a09784d46990

  • SHA1

    35b93e270343da6cc59ebbc798ebb84cf0b02ffe

  • SHA256

    c954915c636007a0b56fc62a07d5cecd336db2e938826c5fee24c61457694229

  • SHA512

    85836ca9b7454e4c5a35bc058dfe30456f89a607c7611217e2622bf79c4255804db1649bc0836cb5a3e041fb4f99060bfa004eddf2344ae1ce79b5bf4a202945

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.pharco--corp.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    (UxyAlp7

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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL EXPRESS 564564645.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL EXPRESS 564564645.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1296
    • C:\Users\Admin\AppData\Local\Temp\DHL EXPRESS 564564645.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1228

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1228-2-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1228-4-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1228-5-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB