Analysis

  • max time kernel
    66s
  • max time network
    49s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-04-2024 12:33

General

  • Target

    FACTURAS.scr

  • Size

    953KB

  • MD5

    82846e38a751faa4c2667bea09633a99

  • SHA1

    343fea80223ac120af3d760d00d19cb492172432

  • SHA256

    343dd11490831bb2aa0e549a8a6d39bbb2303dd2672b5ee0fb77f6514f195094

  • SHA512

    e722ac1f09ac7cdac1263e135830a09979ca1abaac1745ca3bb6022b8eef7faa63d7fb00e306e9d7c35dd9e5a32be261ff295fc20a50128e5ad700751fbe64ab

  • SSDEEP

    12288:5wglEe171o1+1k155scBRTWgwxPzQkbu3po3kTarV4Kvc2rm1m/NZ9O4uuUk2kx7:onNjkCK3k6XvmIKhJLk7w3B3nEr

Malware Config

Extracted

Family

agenttesla

Credentials

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.

  • 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\FACTURAS.scr
    "C:\Users\Admin\AppData\Local\Temp\FACTURAS.scr" /S
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:8
    • C:\Users\Admin\AppData\Local\Temp\FACTURAS.scr
      "C:\Users\Admin\AppData\Local\Temp\FACTURAS.scr"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3644

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/8-7-0x0000000004F30000-0x0000000004F38000-memory.dmp
    Filesize

    32KB

  • memory/8-1-0x0000000075220000-0x00000000759D0000-memory.dmp
    Filesize

    7.7MB

  • memory/8-2-0x0000000004E50000-0x0000000004EBE000-memory.dmp
    Filesize

    440KB

  • memory/8-3-0x0000000005590000-0x0000000005B34000-memory.dmp
    Filesize

    5.6MB

  • memory/8-4-0x0000000004FE0000-0x0000000005072000-memory.dmp
    Filesize

    584KB

  • memory/8-5-0x0000000005080000-0x000000000511C000-memory.dmp
    Filesize

    624KB

  • memory/8-6-0x0000000004FD0000-0x0000000004FE0000-memory.dmp
    Filesize

    64KB

  • memory/8-11-0x0000000075220000-0x00000000759D0000-memory.dmp
    Filesize

    7.7MB

  • memory/8-0-0x00000000004D0000-0x00000000005C4000-memory.dmp
    Filesize

    976KB

  • memory/3644-10-0x0000000075220000-0x00000000759D0000-memory.dmp
    Filesize

    7.7MB

  • memory/3644-8-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/3644-12-0x0000000005AD0000-0x0000000005B36000-memory.dmp
    Filesize

    408KB

  • memory/3644-13-0x0000000005A80000-0x0000000005A90000-memory.dmp
    Filesize

    64KB

  • memory/3644-14-0x00000000068C0000-0x0000000006910000-memory.dmp
    Filesize

    320KB

  • memory/3644-15-0x0000000006CA0000-0x0000000006CAA000-memory.dmp
    Filesize

    40KB

  • memory/3644-16-0x0000000075220000-0x00000000759D0000-memory.dmp
    Filesize

    7.7MB

  • memory/3644-17-0x0000000005A80000-0x0000000005A90000-memory.dmp
    Filesize

    64KB