Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-11-2024 02:05

General

  • Target

    51b39d9a45bc5845c96d8505fac0cd63ed39831577e706af05ec0edd360f6b56.exe

  • Size

    381KB

  • MD5

    63a272a97948c637ee7682f59bdc1229

  • SHA1

    0e71a6a267c14dbf86a1748fa4fea71f51a36d9d

  • SHA256

    51b39d9a45bc5845c96d8505fac0cd63ed39831577e706af05ec0edd360f6b56

  • SHA512

    29612690158a8f13432e6cd609fa2607b52a698766e706888940e4377f9d6db0183e37ec8cdddf9fb9a21a626b5d8f18f8f1d612b40cf24cb0131cf777298f34

  • SSDEEP

    6144:Yf+HCMKOh/Hm0eD+9pgDHtvTsoEEHU17iYv6fQygf9/jDj8c4QTh89b:t+s59+DHtbVNUlbwbQTh8

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.pharco--corp.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    tHKfMRa2

Signatures

  • AgentTesla

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

  • Agenttesla family
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\51b39d9a45bc5845c96d8505fac0cd63ed39831577e706af05ec0edd360f6b56.exe
    "C:\Users\Admin\AppData\Local\Temp\51b39d9a45bc5845c96d8505fac0cd63ed39831577e706af05ec0edd360f6b56.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1016
    • C:\Users\Admin\AppData\Local\Temp\51b39d9a45bc5845c96d8505fac0cd63ed39831577e706af05ec0edd360f6b56.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\51b39d9a45bc5845c96d8505fac0cd63ed39831577e706af05ec0edd360f6b56.exe.log

    Filesize

    496B

    MD5

    cb76b18ebed3a9f05a14aed43d35fba6

    SHA1

    836a4b4e351846fca08b84149cb734cb59b8c0d6

    SHA256

    8d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349

    SHA512

    7631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c

  • memory/1016-3-0x0000000074FE2000-0x0000000074FE3000-memory.dmp

    Filesize

    4KB

  • memory/1016-9-0x0000000074FE0000-0x0000000075591000-memory.dmp

    Filesize

    5.7MB

  • memory/1016-0-0x0000000074FE2000-0x0000000074FE3000-memory.dmp

    Filesize

    4KB

  • memory/1016-4-0x0000000074FE0000-0x0000000075591000-memory.dmp

    Filesize

    5.7MB

  • memory/1016-2-0x0000000074FE0000-0x0000000075591000-memory.dmp

    Filesize

    5.7MB

  • memory/1016-1-0x0000000074FE0000-0x0000000075591000-memory.dmp

    Filesize

    5.7MB

  • memory/2776-5-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/2776-8-0x0000000074FE0000-0x0000000075591000-memory.dmp

    Filesize

    5.7MB

  • memory/2776-10-0x0000000074FE0000-0x0000000075591000-memory.dmp

    Filesize

    5.7MB

  • memory/2776-11-0x0000000074FE0000-0x0000000075591000-memory.dmp

    Filesize

    5.7MB

  • memory/2776-12-0x0000000074FE0000-0x0000000075591000-memory.dmp

    Filesize

    5.7MB

  • memory/2776-13-0x0000000074FE0000-0x0000000075591000-memory.dmp

    Filesize

    5.7MB

  • memory/2776-14-0x0000000074FE0000-0x0000000075591000-memory.dmp

    Filesize

    5.7MB

  • memory/2776-15-0x0000000074FE0000-0x0000000075591000-memory.dmp

    Filesize

    5.7MB