Analysis

  • max time kernel
    139s
  • max time network
    143s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    09-07-2020 14:28

General

  • Target

    JUNE_PAYMENT_2020.exe

  • Size

    931KB

  • MD5

    b0b2a2cb5c962486bec09fce883b8c38

  • SHA1

    9700d4b99aca81cd96decbfee71da5b04a6949df

  • SHA256

    49930b2de2b5ee0329fb1cd81b52695b30d2bef7bcbac1c5c54725dc524a1a2c

  • SHA512

    3ba6aca93a72ff4f1c3cc893c159bae99a234147d96e36f2f5983e1e07d7bc0d884ac7dae3cc74717a31b3d232b8eeed8349f334caa41c77be8084781044f6f1

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    ho3y@yandex.com
  • Password:
    Paymentmustcome1

Signatures

  • Suspicious use of WriteProcessMemory 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • 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 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.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\JUNE_PAYMENT_2020.exe
    "C:\Users\Admin\AppData\Local\Temp\JUNE_PAYMENT_2020.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2976
    • C:\Users\Admin\AppData\Local\Temp\JUNE_PAYMENT_2020.exe
      "C:\Users\Admin\AppData\Local\Temp\JUNE_PAYMENT_2020.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3048

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/3048-0-0x0000000000400000-0x00000000004A6000-memory.dmp
    Filesize

    664KB

  • memory/3048-1-0x00000000004A3F90-mapping.dmp
  • memory/3048-2-0x0000000000400000-0x00000000004A6000-memory.dmp
    Filesize

    664KB

  • memory/3048-3-0x0000000000400000-0x00000000004A6000-memory.dmp
    Filesize

    664KB

  • memory/3048-4-0x00000000009B0000-0x00000000009FC000-memory.dmp
    Filesize

    304KB

  • memory/3048-5-0x0000000000AA2000-0x0000000000AA3000-memory.dmp
    Filesize

    4KB