Analysis

  • max time kernel
    96s
  • max time network
    104s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    15-02-2021 20:15

General

  • Target

    cceb139330512f9c7820a18f87b89062.exe

  • Size

    1.7MB

  • MD5

    cceb139330512f9c7820a18f87b89062

  • SHA1

    e7fb7ee6e060b98b8e5823490aea1015798406fd

  • SHA256

    b045b7b993b005e1930ca50a9eb65df8b62ca29d1dfdbbb28ca6621384172908

  • SHA512

    5594cf5903b58c934ee33c2421e9256a0c5f452d1a9e2521d7ad02b36560fda37caf1f2a637628673273295ccb5303dd6faac4cc3db6ad7f17059998d8700d49

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Dollarbills1234

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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\cceb139330512f9c7820a18f87b89062.exe
    "C:\Users\Admin\AppData\Local\Temp\cceb139330512f9c7820a18f87b89062.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1144
    • C:\Users\Admin\AppData\Local\Temp\cceb139330512f9c7820a18f87b89062.exe
      "C:\Users\Admin\AppData\Local\Temp\cceb139330512f9c7820a18f87b89062.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3820

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1144-2-0x0000000073A80000-0x000000007416E000-memory.dmp

    Filesize

    6.9MB

  • memory/1144-3-0x0000000000660000-0x0000000000661000-memory.dmp

    Filesize

    4KB

  • memory/1144-5-0x0000000005070000-0x0000000005071000-memory.dmp

    Filesize

    4KB

  • memory/1144-6-0x0000000001190000-0x00000000011CD000-memory.dmp

    Filesize

    244KB

  • memory/1144-7-0x0000000005710000-0x0000000005711000-memory.dmp

    Filesize

    4KB

  • memory/1144-8-0x0000000005200000-0x0000000005201000-memory.dmp

    Filesize

    4KB

  • memory/3820-9-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/3820-11-0x0000000073A80000-0x000000007416E000-memory.dmp

    Filesize

    6.9MB

  • memory/3820-16-0x0000000005280000-0x0000000005281000-memory.dmp

    Filesize

    4KB

  • memory/3820-17-0x0000000005420000-0x0000000005421000-memory.dmp

    Filesize

    4KB

  • memory/3820-18-0x0000000005F80000-0x0000000005F81000-memory.dmp

    Filesize

    4KB

  • memory/3820-19-0x0000000006350000-0x0000000006351000-memory.dmp

    Filesize

    4KB

  • memory/3820-20-0x0000000005F60000-0x0000000005F61000-memory.dmp

    Filesize

    4KB