Analysis

  • max time kernel
    140s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    08-07-2020 06:17

General

  • Target

    AWB 673687387678.exe

  • Size

    419KB

  • MD5

    42a1bf57e59510b27b6128f1edc76fa7

  • SHA1

    612f8808225a78dab158eeab15fcc1a9635ecb70

  • SHA256

    2409f04509b447f04121091d6b20dde5291413f155de031ef7e306c736ed9242

  • SHA512

    504f1c1461a40f7e3cdc4fcad8cca3f25e991edceefb2021b7c028a1d664284275c40a7d86b32e03c97d3d9ecb56cc0d72e9c9d5826c938ec111788e0426f3f9

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.papayatreehotels.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    tree1579

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AWB 673687387678.exe
    "C:\Users\Admin\AppData\Local\Temp\AWB 673687387678.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3848
    • C:\Users\Admin\AppData\Local\Temp\AWB 673687387678.exe
      "C:\Users\Admin\AppData\Local\Temp\AWB 673687387678.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2036

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/2036-0-0x0000000000400000-0x00000000004A4000-memory.dmp
    Filesize

    656KB

  • memory/2036-1-0x00000000004A2540-mapping.dmp
  • memory/2036-2-0x0000000000400000-0x00000000004A4000-memory.dmp
    Filesize

    656KB

  • memory/2036-3-0x0000000000400000-0x00000000004A4000-memory.dmp
    Filesize

    656KB

  • memory/2036-4-0x00000000009F0000-0x0000000000A3C000-memory.dmp
    Filesize

    304KB

  • memory/2036-5-0x0000000000782000-0x0000000000783000-memory.dmp
    Filesize

    4KB