Analysis

  • max time kernel
    131s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    21-10-2021 14:06

General

  • Target

    Payment Order PDF.exe

  • Size

    490KB

  • MD5

    c1e714ba72c555e4a63385070b61dede

  • SHA1

    f8c2e2533faf6045a4606a10dd75d343f75a1100

  • SHA256

    6fd5a741816876a01cba7faedbd4c98fc21243e49f46669d61506df36ebe78f4

  • SHA512

    7468a8ab7abcba362938d6c9455f8d33cb73a4b7ccf956662754794b8287e25f39ec62a8d605fe2390db32deaa8f3ec2a1579dd3d81688dc40af3d7683bd10dc

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    webmail.emirtecnt.com
  • Port:
    587
  • Username:
    store@emirtecnt.com
  • Password:
    Ablegod123456

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment Order PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Order PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1884
    • C:\Users\Admin\AppData\Local\Temp\Payment Order PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Order PDF.exe"
      2⤵
        PID:1200
      • C:\Users\Admin\AppData\Local\Temp\Payment Order PDF.exe
        "C:\Users\Admin\AppData\Local\Temp\Payment Order PDF.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:812

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    3
    T1081

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/812-60-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/812-64-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/812-69-0x0000000004B41000-0x0000000004B42000-memory.dmp
      Filesize

      4KB

    • memory/812-68-0x0000000004B40000-0x0000000004B41000-memory.dmp
      Filesize

      4KB

    • memory/812-66-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/812-61-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/812-62-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/812-63-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/812-65-0x000000000043763E-mapping.dmp
    • memory/1884-54-0x00000000000C0000-0x00000000000C1000-memory.dmp
      Filesize

      4KB

    • memory/1884-56-0x0000000074B91000-0x0000000074B93000-memory.dmp
      Filesize

      8KB

    • memory/1884-59-0x0000000004B80000-0x0000000004BD8000-memory.dmp
      Filesize

      352KB

    • memory/1884-58-0x0000000004C80000-0x0000000004C81000-memory.dmp
      Filesize

      4KB

    • memory/1884-57-0x0000000000520000-0x0000000000527000-memory.dmp
      Filesize

      28KB