Analysis

  • max time kernel
    94s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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

Credentials

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

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 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 use of WriteProcessMemory
    PID:1808
    • 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:4168

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\INFORMACIÓN IMPORTANTE.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1808-5-0x0000000074550000-0x0000000074D00000-memory.dmp

    Filesize

    7.7MB

  • memory/1808-3-0x0000000005510000-0x00000000055A2000-memory.dmp

    Filesize

    584KB

  • memory/1808-10-0x0000000006CA0000-0x0000000006D26000-memory.dmp

    Filesize

    536KB

  • memory/1808-9-0x0000000074550000-0x0000000074D00000-memory.dmp

    Filesize

    7.7MB

  • memory/1808-4-0x00000000055F0000-0x00000000055FA000-memory.dmp

    Filesize

    40KB

  • memory/1808-6-0x0000000005830000-0x00000000058CC000-memory.dmp

    Filesize

    624KB

  • memory/1808-7-0x000000007455E000-0x000000007455F000-memory.dmp

    Filesize

    4KB

  • memory/1808-8-0x0000000005670000-0x0000000005682000-memory.dmp

    Filesize

    72KB

  • memory/1808-16-0x0000000074550000-0x0000000074D00000-memory.dmp

    Filesize

    7.7MB

  • memory/1808-2-0x0000000005B80000-0x0000000006124000-memory.dmp

    Filesize

    5.6MB

  • memory/1808-0-0x000000007455E000-0x000000007455F000-memory.dmp

    Filesize

    4KB

  • memory/1808-1-0x0000000000AD0000-0x0000000000B74000-memory.dmp

    Filesize

    656KB

  • memory/4168-15-0x0000000074550000-0x0000000074D00000-memory.dmp

    Filesize

    7.7MB

  • memory/4168-19-0x0000000074550000-0x0000000074D00000-memory.dmp

    Filesize

    7.7MB

  • memory/4168-14-0x0000000074550000-0x0000000074D00000-memory.dmp

    Filesize

    7.7MB

  • memory/4168-17-0x0000000005780000-0x00000000057E6000-memory.dmp

    Filesize

    408KB

  • memory/4168-18-0x0000000006E20000-0x0000000006E70000-memory.dmp

    Filesize

    320KB

  • memory/4168-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB