Analysis

  • max time kernel
    4294197s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    14-04-2022 06:52

General

  • Target

    c3c69d443faeb686c99f9432f9c7940f76b7373c6099228cc328542d6cf00128.exe

  • Size

    533KB

  • MD5

    9faa094bc47f9c07671d12e26d4690a9

  • SHA1

    0b15eddc257c1f85caacd3c0dc2f01da3ea84b04

  • SHA256

    c3c69d443faeb686c99f9432f9c7940f76b7373c6099228cc328542d6cf00128

  • SHA512

    ae6b5ea2c7c30b5eb14d26c62fc9fc9ee876b4a69cc392061a4c07053e017320880881abc575faee4887c1ba364e33730823ea6b824e8f252daaa035f36929e0

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.cittadini.us
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    XVYxcef9

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c3c69d443faeb686c99f9432f9c7940f76b7373c6099228cc328542d6cf00128.exe
    "C:\Users\Admin\AppData\Local\Temp\c3c69d443faeb686c99f9432f9c7940f76b7373c6099228cc328542d6cf00128.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1764
    • C:\Users\Admin\AppData\Local\Temp\c3c69d443faeb686c99f9432f9c7940f76b7373c6099228cc328542d6cf00128.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:416

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/416-57-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/416-58-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/416-60-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/416-61-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/416-62-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/416-65-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/416-67-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1764-54-0x0000000000950000-0x00000000009DC000-memory.dmp

    Filesize

    560KB

  • memory/1764-55-0x0000000002050000-0x000000000206C000-memory.dmp

    Filesize

    112KB

  • memory/1764-56-0x0000000005600000-0x0000000005666000-memory.dmp

    Filesize

    408KB