Analysis

  • max time kernel
    137s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-12-2023 07:58

General

  • Target

    B.exe

  • Size

    716KB

  • MD5

    8c366167246b6e371d4be611105206e3

  • SHA1

    5689b19440aaa57b8893f7fabaff725963b92483

  • SHA256

    bee896925d62192aff4e13abda9cc0cff1cd063778b2dadb45035edd5d274c8a

  • SHA512

    9b5089b2656c24ac82b3c01e1d22e6bea3a1e1906104e5080a07404162b4cf595624ccd989c49341852fc22a939a3d84064fe54deb95b37ebc5b944146ebde7a

  • SSDEEP

    12288:rFdIfzChVnn1eJmllQAxyvyHhCR55JyRM/zZ0QEVJK:JszChV9wYtHhCR5/zqQeI

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    EwQnrCo8

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\B.exe
    "C:\Users\Admin\AppData\Local\Temp\B.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4032
    • C:\Users\Admin\AppData\Local\Temp\B.exe
      "C:\Users\Admin\AppData\Local\Temp\B.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3364

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3364-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3364-19-0x0000000004F30000-0x0000000004F40000-memory.dmp

    Filesize

    64KB

  • memory/3364-18-0x0000000074A70000-0x0000000075220000-memory.dmp

    Filesize

    7.7MB

  • memory/3364-17-0x0000000005F10000-0x0000000005F60000-memory.dmp

    Filesize

    320KB

  • memory/3364-13-0x0000000074A70000-0x0000000075220000-memory.dmp

    Filesize

    7.7MB

  • memory/3364-16-0x0000000004F30000-0x0000000004F40000-memory.dmp

    Filesize

    64KB

  • memory/3364-15-0x0000000005250000-0x00000000052B6000-memory.dmp

    Filesize

    408KB

  • memory/4032-4-0x0000000005430000-0x0000000005440000-memory.dmp

    Filesize

    64KB

  • memory/4032-8-0x00000000058F0000-0x00000000058F8000-memory.dmp

    Filesize

    32KB

  • memory/4032-9-0x0000000005910000-0x000000000591A000-memory.dmp

    Filesize

    40KB

  • memory/4032-10-0x0000000006A10000-0x0000000006A8A000-memory.dmp

    Filesize

    488KB

  • memory/4032-7-0x00000000056C0000-0x00000000056D6000-memory.dmp

    Filesize

    88KB

  • memory/4032-6-0x00000000056E0000-0x000000000577C000-memory.dmp

    Filesize

    624KB

  • memory/4032-14-0x0000000074A70000-0x0000000075220000-memory.dmp

    Filesize

    7.7MB

  • memory/4032-5-0x0000000005450000-0x000000000545A000-memory.dmp

    Filesize

    40KB

  • memory/4032-0-0x0000000000990000-0x0000000000A4A000-memory.dmp

    Filesize

    744KB

  • memory/4032-3-0x0000000005510000-0x00000000055A2000-memory.dmp

    Filesize

    584KB

  • memory/4032-2-0x0000000005AC0000-0x0000000006064000-memory.dmp

    Filesize

    5.6MB

  • memory/4032-1-0x0000000074A70000-0x0000000075220000-memory.dmp

    Filesize

    7.7MB