Analysis

  • max time kernel
    122s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2024 01:29

General

  • Target

    INFORMACIÓN IMPORTANTE.exe

  • Size

    633KB

  • MD5

    793a83b27d09ccf51a1679a5f4ab3d80

  • SHA1

    3f9b5517c025e154d92f28f6b1c283a7e0cb0ab1

  • SHA256

    c6ce9ff77da08fa01b83d2a188bb925eac04133ed6264b5ad90b7b0de8cddca5

  • SHA512

    e17ccb50bc0a258f7530f34b5c9a517b9399150ea81b5b6edfa02d583928491b566ba124b1e61e90526de6eff67c82df0f71e58dbf1dfaf9323b1143fb40a6d6

  • SSDEEP

    12288:hzAgFdJxf2WMiQPIt+HCQOcFNLWrEawmJ3bxfeA8FjM2LYmGLw2Cb8uD:9AgJxf2WMiQPakbaZ3bx+M2jGLTo

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.solucionesmexico.mx
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    dGG^ZYIxX5!B

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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.

  • Looks up external IP address via web service 1 IoCs

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

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INFORMACIÓN IMPORTANTE.exe
    "C:\Users\Admin\AppData\Local\Temp\INFORMACIÓN IMPORTANTE.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2484
    • C:\Users\Admin\AppData\Local\Temp\INFORMACIÓN IMPORTANTE.exe
      "C:\Users\Admin\AppData\Local\Temp\INFORMACIÓN IMPORTANTE.exe"
      2⤵
        PID:2656
      • C:\Users\Admin\AppData\Local\Temp\INFORMACIÓN IMPORTANTE.exe
        "C:\Users\Admin\AppData\Local\Temp\INFORMACIÓN IMPORTANTE.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2916

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2484-0-0x000000007456E000-0x000000007456F000-memory.dmp

      Filesize

      4KB

    • memory/2484-1-0x0000000000E70000-0x0000000000F14000-memory.dmp

      Filesize

      656KB

    • memory/2484-2-0x0000000074560000-0x0000000074C4E000-memory.dmp

      Filesize

      6.9MB

    • memory/2484-3-0x000000007456E000-0x000000007456F000-memory.dmp

      Filesize

      4KB

    • memory/2484-4-0x0000000000580000-0x0000000000592000-memory.dmp

      Filesize

      72KB

    • memory/2484-5-0x0000000074560000-0x0000000074C4E000-memory.dmp

      Filesize

      6.9MB

    • memory/2484-6-0x00000000052E0000-0x0000000005366000-memory.dmp

      Filesize

      536KB

    • memory/2484-20-0x0000000074560000-0x0000000074C4E000-memory.dmp

      Filesize

      6.9MB

    • memory/2916-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2916-10-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2916-13-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2916-15-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2916-9-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2916-8-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2916-19-0x0000000074560000-0x0000000074C4E000-memory.dmp

      Filesize

      6.9MB

    • memory/2916-18-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2916-21-0x0000000074560000-0x0000000074C4E000-memory.dmp

      Filesize

      6.9MB

    • memory/2916-7-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2916-22-0x0000000074560000-0x0000000074C4E000-memory.dmp

      Filesize

      6.9MB