Analysis

  • max time kernel
    95s
  • max time network
    115s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    12-01-2021 18:03

General

  • Target

    Quote ROE-127488-MU.exe

  • Size

    410KB

  • MD5

    1b6fb40e9a89fdd6c7aebc89e67ad816

  • SHA1

    fe65563016c0e947f4ceb2337a1f6033cf259680

  • SHA256

    a2426979e333a461d082c90eae873f236b7a82fcf08819404d2f99a3e867c450

  • SHA512

    e0d264962c8912fda26cf87418c8426294e77e4b5cacaf43469934d281da327fecb73582fcd0588191c9131ab4953d2179a8b79357260a9a53200884e50f7ee5

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    @infinitY1234

Signatures

  • AgentTesla

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

  • AgentTesla Payload 5 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 behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Quote ROE-127488-MU.exe
    "C:\Users\Admin\AppData\Local\Temp\Quote ROE-127488-MU.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:816
    • C:\Users\Admin\AppData\Local\Temp\Quote ROE-127488-MU.exe
      "C:\Users\Admin\AppData\Local\Temp\Quote ROE-127488-MU.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3948

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/816-4-0x000000001AD00000-0x000000001AD4C000-memory.dmp
    Filesize

    304KB

  • memory/3948-2-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/3948-3-0x000000000040188B-mapping.dmp
  • memory/3948-5-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/3948-6-0x0000000073FB0000-0x000000007469E000-memory.dmp
    Filesize

    6.9MB

  • memory/3948-7-0x0000000002ED0000-0x0000000002F07000-memory.dmp
    Filesize

    220KB

  • memory/3948-9-0x0000000005B40000-0x0000000005B41000-memory.dmp
    Filesize

    4KB

  • memory/3948-10-0x0000000005800000-0x0000000005801000-memory.dmp
    Filesize

    4KB

  • memory/3948-11-0x00000000057D0000-0x00000000057D1000-memory.dmp
    Filesize

    4KB

  • memory/3948-12-0x00000000065A0000-0x00000000065A1000-memory.dmp
    Filesize

    4KB

  • memory/3948-13-0x0000000006900000-0x0000000006901000-memory.dmp
    Filesize

    4KB

  • memory/3948-14-0x0000000001370000-0x0000000001371000-memory.dmp
    Filesize

    4KB