Analysis

  • max time kernel
    135s
  • max time network
    140s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    10-07-2020 07:03

General

  • Target

    Scan Payment Advice..pdf.exe

  • Size

    818KB

  • MD5

    cc799f974c4b646d5108428691cf4047

  • SHA1

    8d3e37676994ef7669117e28f0d296d6e9d3d2f0

  • SHA256

    ab6b2eb710be64d6c8dccf33367f3f51df161f84511bcb87bfc0b04ee544cda3

  • SHA512

    7c5ac96a4d750c1e234519d59d18c257c6bb52bce669ec336ca0c944120f3b1c284dde4e0a7412b604c0dd934dd66578516a04ffd84f661d8dbfaf9da0fa8e5b

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.ola-loqistics.com
  • Port:
    587
  • Username:
    pollyhao@ola-loqistics.com
  • Password:
    IKGIMMf7

Signatures

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

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

  • AgentTesla

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Scan Payment Advice..pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Scan Payment Advice..pdf.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: MapViewOfSection
    PID:3544
    • C:\Users\Admin\AppData\Local\Temp\Scan Payment Advice..pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Scan Payment Advice..pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3028

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/3028-0-0x0000000000400000-0x00000000004A4000-memory.dmp
    Filesize

    656KB

  • memory/3028-1-0x00000000004A27A0-mapping.dmp
  • memory/3028-2-0x0000000000400000-0x00000000004A4000-memory.dmp
    Filesize

    656KB

  • memory/3028-3-0x0000000000400000-0x00000000004A4000-memory.dmp
    Filesize

    656KB

  • memory/3028-4-0x00000000021A0000-0x00000000021EC000-memory.dmp
    Filesize

    304KB

  • memory/3028-5-0x0000000000942000-0x0000000000943000-memory.dmp
    Filesize

    4KB