Analysis

  • max time kernel
    162s
  • max time network
    188s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 12:33

General

  • Target

    Document Copy.exe

  • Size

    651KB

  • MD5

    056779505e918821f7c8eea853a3aede

  • SHA1

    50547be0f9807212ad045cbde8b95ead9abc56bd

  • SHA256

    0d2a1e1ae63f88fe43639ddcec25db83eef70cc09ed98403f570fb61293fcf2f

  • SHA512

    e6dab6cb7942936ce04952261853d89a3c5eb657035d015221456292fa29330a98d27c76a5faf1069101acc9e545e2f375258ef0325e83b25e061b41d7afd9fc

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.flood-protection.org
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sepp2424@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Document Copy.exe
    "C:\Users\Admin\AppData\Local\Temp\Document Copy.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4960
    • C:\Users\Admin\AppData\Local\Temp\Document Copy.exe
      "C:\Users\Admin\AppData\Local\Temp\Document Copy.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:2528
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:2436

    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

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Document Copy.exe.log
      Filesize

      1KB

      MD5

      0d8506cdeb91f8ec770656b5830026cc

      SHA1

      08e59bcaa03959ccab33d2e0723f1a02ab983dc5

      SHA256

      ab8f6d6c6583395e1e95cac9f84048a5733f7c429eb8c02b66284ff4f867e35a

      SHA512

      a99dbc19411e574c11419750b27a902083eb8e954371eac47ad85b3e2b1fce764eca5a787a6187991ec8eb446f21a0aa7e7e65f4be5a0c80215f98adf1026b56

    • memory/2436-140-0x0000000000000000-mapping.dmp
    • memory/2528-134-0x0000000000000000-mapping.dmp
    • memory/2528-135-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/2528-137-0x00000000053E0000-0x000000000547C000-memory.dmp
      Filesize

      624KB

    • memory/2528-138-0x00000000058F0000-0x0000000005956000-memory.dmp
      Filesize

      408KB

    • memory/2528-139-0x0000000006550000-0x00000000065A0000-memory.dmp
      Filesize

      320KB

    • memory/2528-141-0x00000000061D0000-0x00000000061DA000-memory.dmp
      Filesize

      40KB

    • memory/4960-130-0x00000000000C0000-0x000000000016A000-memory.dmp
      Filesize

      680KB

    • memory/4960-131-0x00000000050D0000-0x0000000005674000-memory.dmp
      Filesize

      5.6MB

    • memory/4960-132-0x0000000004C20000-0x0000000004CB2000-memory.dmp
      Filesize

      584KB

    • memory/4960-133-0x0000000004FE0000-0x0000000005024000-memory.dmp
      Filesize

      272KB