Analysis

  • max time kernel
    150s
  • max time network
    91s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    28-01-2021 18:30

General

  • Target

    EMAILMING BANK PAPER 55162021.exe

  • Size

    934KB

  • MD5

    232ca73080c10d2f1a5fccb15f06db21

  • SHA1

    71f09475b751f2af765834ac5067be14161b5915

  • SHA256

    95be71d73799012c2d1d672f4624f0d4b02a0ab64b428b7cd8d7f0eb6a2d29ba

  • SHA512

    02b0705a50b5a0c4018501b61f783a22084648cf3c99b7bb45681070628ed626801adfd9d0c10e843b11e1eef060801ae4ef57621984352f3ab4fcc54253ff9e

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Everest10

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\EMAILMING BANK PAPER 55162021.exe
    "C:\Users\Admin\AppData\Local\Temp\EMAILMING BANK PAPER 55162021.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1096
    • C:\Users\Admin\AppData\Local\Temp\EMAILMING BANK PAPER 55162021.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1744

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1096-2-0x0000000074CF0000-0x00000000753DE000-memory.dmp

    Filesize

    6.9MB

  • memory/1096-3-0x0000000001070000-0x0000000001071000-memory.dmp

    Filesize

    4KB

  • memory/1096-5-0x00000000005B0000-0x00000000005B1000-memory.dmp

    Filesize

    4KB

  • memory/1096-6-0x00000000001D0000-0x00000000001D4000-memory.dmp

    Filesize

    16KB

  • memory/1096-7-0x00000000051A0000-0x000000000520D000-memory.dmp

    Filesize

    436KB

  • memory/1744-8-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1744-9-0x000000000044673E-mapping.dmp

  • memory/1744-10-0x0000000074CF0000-0x00000000753DE000-memory.dmp

    Filesize

    6.9MB

  • memory/1744-11-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1744-13-0x0000000005070000-0x0000000005071000-memory.dmp

    Filesize

    4KB

  • memory/1744-14-0x0000000005071000-0x0000000005072000-memory.dmp

    Filesize

    4KB