Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 03:49

General

  • Target

    8b7b19184d4eaa008d1cbba2bfece478.exe

  • Size

    774KB

  • MD5

    8b7b19184d4eaa008d1cbba2bfece478

  • SHA1

    6b9eb0677d179ccdbb102c9afd7301861f704dfc

  • SHA256

    781880fa9f1197427d5a1ba2c3931da4be0612ad0b83bfce4d38725f97c436b5

  • SHA512

    c4a18213049ceb04d32f102bde262a6e05ea231e3aeca4a0f343e292316921c29f7cafbe5d61fb2ae87f0ecbd68657f142c6333754b5d857ccffefd90df0551f

  • SSDEEP

    24576:lWtb3BEDCnB93LtxDXkJORp71RFE0nu3Tv:IZBEDUBhLth0Q/1RFE/3Tv

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.midhcodistribuciones.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    ,A7}+JV4KExQ

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.midhcodistribuciones.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    ,A7}+JV4KExQ

Signatures

  • AgentTesla

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

  • 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 1 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 WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b7b19184d4eaa008d1cbba2bfece478.exe
    "C:\Users\Admin\AppData\Local\Temp\8b7b19184d4eaa008d1cbba2bfece478.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Users\Admin\AppData\Local\Temp\8b7b19184d4eaa008d1cbba2bfece478.exe
      "C:\Users\Admin\AppData\Local\Temp\8b7b19184d4eaa008d1cbba2bfece478.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4288

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8b7b19184d4eaa008d1cbba2bfece478.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1976-10-0x000000000B180000-0x000000000B21C000-memory.dmp
    Filesize

    624KB

  • memory/1976-1-0x00000000007D0000-0x0000000000894000-memory.dmp
    Filesize

    784KB

  • memory/1976-3-0x00000000051D0000-0x0000000005262000-memory.dmp
    Filesize

    584KB

  • memory/1976-4-0x0000000005150000-0x000000000515A000-memory.dmp
    Filesize

    40KB

  • memory/1976-5-0x0000000074490000-0x0000000074C40000-memory.dmp
    Filesize

    7.7MB

  • memory/1976-6-0x0000000005420000-0x0000000005442000-memory.dmp
    Filesize

    136KB

  • memory/1976-7-0x0000000005370000-0x000000000537C000-memory.dmp
    Filesize

    48KB

  • memory/1976-11-0x000000007449E000-0x000000007449F000-memory.dmp
    Filesize

    4KB

  • memory/1976-9-0x00000000066E0000-0x0000000006764000-memory.dmp
    Filesize

    528KB

  • memory/1976-0-0x000000007449E000-0x000000007449F000-memory.dmp
    Filesize

    4KB

  • memory/1976-8-0x00000000029E0000-0x00000000029F0000-memory.dmp
    Filesize

    64KB

  • memory/1976-12-0x0000000074490000-0x0000000074C40000-memory.dmp
    Filesize

    7.7MB

  • memory/1976-17-0x0000000074490000-0x0000000074C40000-memory.dmp
    Filesize

    7.7MB

  • memory/1976-2-0x0000000005780000-0x0000000005D24000-memory.dmp
    Filesize

    5.6MB

  • memory/4288-16-0x0000000074490000-0x0000000074C40000-memory.dmp
    Filesize

    7.7MB

  • memory/4288-13-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/4288-18-0x0000000074490000-0x0000000074C40000-memory.dmp
    Filesize

    7.7MB

  • memory/4288-19-0x0000000005200000-0x0000000005266000-memory.dmp
    Filesize

    408KB

  • memory/4288-20-0x0000000006770000-0x00000000067C0000-memory.dmp
    Filesize

    320KB

  • memory/4288-21-0x0000000074490000-0x0000000074C40000-memory.dmp
    Filesize

    7.7MB