Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-09-2024 16:04

General

  • Target

    DHL&NBSP Reference ID 54787654.exe

  • Size

    773KB

  • MD5

    b81a798cf07004aac3eee709e71e0e38

  • SHA1

    68a3755e6a31c7cae9cc6b785c80a82e85b8bb20

  • SHA256

    eebb3535bc914313c2e0f55c00d50be9aa838900bb7a0a60caf3adb73eaa06af

  • SHA512

    8b8d17b26f633bda0f5a67f1f734ddf32a723ef7ffad3e937e07b11006b5d1e0a0fd55af1091cdc530a824bcd8fff87e2986d6a666b2c2d1c5029ce6c801b956

  • SSDEEP

    6144:ir2Qx/6ekUBmHLwqyuHRfuDRtn9ZxD4syUuAaLVUFNZcONtjZIbBOf4H444l:vejsLwU5Y9v6H+HHlZIbI4H444l

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    server66.web-hosting.com
  • Port:
    587
  • Username:
    wonderabb@eriiell.com
  • Password:
    GODISGOOD0147

Signatures

  • AgentTesla

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

  • AgentTesla payload 5 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL&NBSP Reference ID 54787654.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL&NBSP Reference ID 54787654.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2272
    • C:\Users\Admin\AppData\Local\Temp\DHL&NBSP Reference ID 54787654.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2320

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2272-0-0x00000000741C1000-0x00000000741C2000-memory.dmp

    Filesize

    4KB

  • memory/2272-1-0x00000000741C0000-0x000000007476B000-memory.dmp

    Filesize

    5.7MB

  • memory/2272-2-0x00000000741C0000-0x000000007476B000-memory.dmp

    Filesize

    5.7MB

  • memory/2272-3-0x00000000741C0000-0x000000007476B000-memory.dmp

    Filesize

    5.7MB

  • memory/2272-21-0x00000000741C0000-0x000000007476B000-memory.dmp

    Filesize

    5.7MB

  • memory/2320-6-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/2320-22-0x00000000741C0000-0x000000007476B000-memory.dmp

    Filesize

    5.7MB

  • memory/2320-10-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/2320-16-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/2320-8-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/2320-14-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/2320-4-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/2320-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2320-18-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/2320-20-0x00000000741C0000-0x000000007476B000-memory.dmp

    Filesize

    5.7MB

  • memory/2320-19-0x00000000741C0000-0x000000007476B000-memory.dmp

    Filesize

    5.7MB

  • memory/2320-23-0x00000000741C0000-0x000000007476B000-memory.dmp

    Filesize

    5.7MB

  • memory/2320-24-0x00000000741C0000-0x000000007476B000-memory.dmp

    Filesize

    5.7MB

  • memory/2320-25-0x00000000741C0000-0x000000007476B000-memory.dmp

    Filesize

    5.7MB

  • memory/2320-26-0x00000000741C0000-0x000000007476B000-memory.dmp

    Filesize

    5.7MB

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