Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-03-2024 01:43

General

  • Target

    17f3991f2e7399c32f1934ebe8bdc83825ddbdd5679436f37982f529e145b850.exe

  • Size

    747KB

  • MD5

    12b911184764baa27081730190bdd5cb

  • SHA1

    b970084dc098414c802cad7b9556ecd2be17c9d9

  • SHA256

    17f3991f2e7399c32f1934ebe8bdc83825ddbdd5679436f37982f529e145b850

  • SHA512

    06da4d28788683678ef2eedd336fdbf303c2f053b4e899f2d747f5d0015bc4b1040522a67d64af4231b36eb0b342e4828aa9c2b6477c4e6c59d7a9c2fd76676c

  • SSDEEP

    12288:Dpahc5Zd5nIM10FnfotBvNxBxO23Pok0xaVY/5hkdHgWd+NIMQv8aD/sJ:DZZd5nIMGpsNxua0x5QFR+b

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.scootero.cl
  • Port:
    587
  • Username:
    sending01@scootero.cl
  • Password:
    Dangote1235$

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.scootero.cl
  • Port:
    587
  • Username:
    sending01@scootero.cl
  • Password:
    Dangote1235$
  • Email To:
    receiving01@scootero.cl

Signatures

  • AgentTesla

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

  • 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 2 TTPs

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

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\17f3991f2e7399c32f1934ebe8bdc83825ddbdd5679436f37982f529e145b850.exe
    "C:\Users\Admin\AppData\Local\Temp\17f3991f2e7399c32f1934ebe8bdc83825ddbdd5679436f37982f529e145b850.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2020
    • C:\Users\Admin\AppData\Local\Temp\17f3991f2e7399c32f1934ebe8bdc83825ddbdd5679436f37982f529e145b850.exe
      "C:\Users\Admin\AppData\Local\Temp\17f3991f2e7399c32f1934ebe8bdc83825ddbdd5679436f37982f529e145b850.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1728

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1728-16-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/1728-20-0x0000000004910000-0x0000000004950000-memory.dmp
    Filesize

    256KB

  • memory/1728-19-0x0000000074540000-0x0000000074C2E000-memory.dmp
    Filesize

    6.9MB

  • memory/1728-18-0x0000000004910000-0x0000000004950000-memory.dmp
    Filesize

    256KB

  • memory/1728-17-0x0000000074540000-0x0000000074C2E000-memory.dmp
    Filesize

    6.9MB

  • memory/1728-5-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/1728-6-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/1728-7-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/1728-8-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/1728-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/1728-11-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/1728-14-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2020-4-0x0000000000430000-0x0000000000438000-memory.dmp
    Filesize

    32KB

  • memory/2020-13-0x00000000745C0000-0x0000000074CAE000-memory.dmp
    Filesize

    6.9MB

  • memory/2020-0-0x00000000002E0000-0x00000000003A2000-memory.dmp
    Filesize

    776KB

  • memory/2020-3-0x0000000004750000-0x0000000004790000-memory.dmp
    Filesize

    256KB

  • memory/2020-2-0x0000000004660000-0x00000000046D0000-memory.dmp
    Filesize

    448KB

  • memory/2020-1-0x00000000745C0000-0x0000000074CAE000-memory.dmp
    Filesize

    6.9MB