Analysis

  • max time kernel
    150s
  • max time network
    92s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    18-01-2021 19:06

General

  • Target

    Proforma Invoivce.exe

  • Size

    878KB

  • MD5

    572afb6f3b62af4c6fbb4b9e044debf6

  • SHA1

    471a55857a1679ec87d3fc44eb4047b23f1a848c

  • SHA256

    0007311d7ccdb22d05e828edd39abec574f7f18b6f7ad9262acd1e76a6f4b7de

  • SHA512

    9779a364cdeefcb5f0a70f0538d264338cbfde7f90515e405f7378bcabad555bdbbaa9c868b7bd67cd45c9bcdc14815eca39dd75914bd6d083326e6a0e9208cc

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.dicon.md
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Nneoma1234@

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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Proforma Invoivce.exe
    "C:\Users\Admin\AppData\Local\Temp\Proforma Invoivce.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:276
    • C:\Users\Admin\AppData\Local\Temp\Proforma Invoivce.exe
      "{path}"
      2⤵
        PID:900
      • C:\Users\Admin\AppData\Local\Temp\Proforma Invoivce.exe
        "{path}"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1712

    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/276-2-0x00000000747A0000-0x0000000074E8E000-memory.dmp
      Filesize

      6.9MB

    • memory/276-3-0x0000000001170000-0x0000000001171000-memory.dmp
      Filesize

      4KB

    • memory/276-5-0x0000000004D20000-0x0000000004D21000-memory.dmp
      Filesize

      4KB

    • memory/276-6-0x00000000003F0000-0x00000000003FE000-memory.dmp
      Filesize

      56KB

    • memory/276-7-0x0000000004C50000-0x0000000004CB4000-memory.dmp
      Filesize

      400KB

    • memory/1712-8-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1712-9-0x00000000004374AE-mapping.dmp
    • memory/1712-10-0x00000000747A0000-0x0000000074E8E000-memory.dmp
      Filesize

      6.9MB

    • memory/1712-11-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1712-13-0x0000000000440000-0x0000000000441000-memory.dmp
      Filesize

      4KB

    • memory/1712-14-0x0000000000441000-0x0000000000442000-memory.dmp
      Filesize

      4KB