Analysis

  • max time kernel
    102s
  • max time network
    125s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    19-10-2021 10:52

General

  • Target

    New order WEEK 42.exe

  • Size

    73KB

  • MD5

    e6e71a5012aad9c2aaff1c9a9c448f6d

  • SHA1

    74b577b80c9fb4487d086ae2fa44a000428ba3ec

  • SHA256

    f03dbeb8cf3b9c5181c71397b9b10f7b098ef97d40553e243265061bdb902a0d

  • SHA512

    e2c199a16808c8c38d8bb9e65b299c937d4e22988043a2b7afaed943c53147f4c1ee16acc3e1821ea0aea87b4fa3094529e2bc60d6c1810173f6e98239083d57

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1803146213:AAHYyCRx7FggQ9LfPbrIs79ZUWCEc9wNnDo/sendDocument

Signatures

  • AgentTesla

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

  • AgentTesla Payload 1 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New order WEEK 42.exe
    "C:\Users\Admin\AppData\Local\Temp\New order WEEK 42.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:3704

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/3704-115-0x0000000000D60000-0x0000000000D61000-memory.dmp
    Filesize

    4KB

  • memory/3704-117-0x0000000005620000-0x0000000005621000-memory.dmp
    Filesize

    4KB

  • memory/3704-120-0x0000000005610000-0x0000000005611000-memory.dmp
    Filesize

    4KB

  • memory/3704-121-0x00000000060C0000-0x00000000060FB000-memory.dmp
    Filesize

    236KB

  • memory/3704-122-0x0000000006100000-0x0000000006136000-memory.dmp
    Filesize

    216KB

  • memory/3704-123-0x0000000006640000-0x0000000006641000-memory.dmp
    Filesize

    4KB

  • memory/3704-124-0x0000000006C80000-0x0000000006C81000-memory.dmp
    Filesize

    4KB

  • memory/3704-125-0x0000000006D20000-0x0000000006D21000-memory.dmp
    Filesize

    4KB

  • memory/3704-126-0x0000000007170000-0x0000000007171000-memory.dmp
    Filesize

    4KB

  • memory/3704-127-0x00000000015A0000-0x00000000015A1000-memory.dmp
    Filesize

    4KB

  • memory/3704-128-0x0000000005611000-0x0000000005612000-memory.dmp
    Filesize

    4KB