Analysis

  • max time kernel
    139s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 22:44

General

  • Target

    NEW ORDER#584532-pdf.exe

  • Size

    546KB

  • MD5

    307902f464ab56b98f667520dcd68295

  • SHA1

    ebce226d5a550788a6ea39984a9521aff0892caf

  • SHA256

    abce854dbb1be834088423c8a911d7111cd6d205b9f6b44be000652860fa03c6

  • SHA512

    05bbe1ecd6e4a04908e840ef47290784fba812f69c9bfeb0a674a5ec54eff3702213445c6734bd8474ad88ea06b6aea89ea09344e80cacf5911c4e1642ab11a0

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.construccionesyaceros.com/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Um^[x+1a{piP

  • Protocol:
    ftp
  • Host:
    ftp://ftp.construccionesyaceros.com/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Um^[x+1a{piP

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 use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEW ORDER#584532-pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\NEW ORDER#584532-pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2456
    • C:\Users\Admin\AppData\Local\Temp\NEW ORDER#584532-pdf.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4576

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\NEW ORDER#584532-pdf.exe.log

    Filesize

    507B

    MD5

    76ffb2f33cb32ade8fc862a67599e9d8

    SHA1

    920cc4ab75b36d2f9f6e979b74db568973c49130

    SHA256

    f1a3724670e3379318ec9c73f6f39058cab0ab013ba3cd90c047c3d701362310

    SHA512

    f33502c2e1bb30c05359bfc6819ca934642a1e01874e3060349127d792694d56ad22fccd6c9477b8ee50d66db35785779324273f509576b48b7f85577e001b4e

  • memory/2456-130-0x0000000000650000-0x00000000006DE000-memory.dmp

    Filesize

    568KB

  • memory/2456-131-0x00000000055F0000-0x0000000005B94000-memory.dmp

    Filesize

    5.6MB

  • memory/2456-132-0x00000000050E0000-0x0000000005172000-memory.dmp

    Filesize

    584KB

  • memory/2456-133-0x0000000005DA0000-0x0000000005E3C000-memory.dmp

    Filesize

    624KB

  • memory/4576-134-0x0000000000000000-mapping.dmp

  • memory/4576-135-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/4576-137-0x0000000005750000-0x00000000057B6000-memory.dmp

    Filesize

    408KB

  • memory/4576-138-0x00000000064C0000-0x0000000006510000-memory.dmp

    Filesize

    320KB

  • memory/4576-139-0x0000000006400000-0x000000000640A000-memory.dmp

    Filesize

    40KB