Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-01-2025 01:09

General

  • Target

    transferencia_BBVA_97866456345354678976543425678.exe

  • Size

    858KB

  • MD5

    5625cbf471e51e71ede214a1236ca612

  • SHA1

    d07a68d0d95ad9855d096e3e8ea680e31afd7e7f

  • SHA256

    e5b6cda78a342ea9f8f9f62853995a251ef13ce90dbd18a80195f460852a94e6

  • SHA512

    2fe51828e092723dad0add4601c01279478c34af3cdee530bc03005ef912e8e438b584b45cbdb7b6682d4a14b801267835f65f4b4b1edf477093fbf11ea4d090

  • SSDEEP

    24576:5iUmSB/o5d1ubcvi0X6qMhXRqOyzrNMZBZT:5/mU/ohubcvi9xXk1zpMZB

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.fosna.net
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    (=8fPSH$KO_!

Signatures

  • AgentTesla

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

  • Agenttesla family
  • Looks up external IP address via web service 1 IoCs

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

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\transferencia_BBVA_97866456345354678976543425678.exe
    "C:\Users\Admin\AppData\Local\Temp\transferencia_BBVA_97866456345354678976543425678.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\transferencia_BBVA_97866456345354678976543425678.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2532

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1660-0-0x0000000000230000-0x0000000000409000-memory.dmp

    Filesize

    1.8MB

  • memory/1660-3-0x0000000000900000-0x0000000000D00000-memory.dmp

    Filesize

    4.0MB

  • memory/1660-10-0x0000000000230000-0x0000000000409000-memory.dmp

    Filesize

    1.8MB

  • memory/2532-4-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2532-6-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2532-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2532-11-0x000000007434E000-0x000000007434F000-memory.dmp

    Filesize

    4KB

  • memory/2532-12-0x0000000074340000-0x0000000074A2E000-memory.dmp

    Filesize

    6.9MB

  • memory/2532-13-0x000000007434E000-0x000000007434F000-memory.dmp

    Filesize

    4KB

  • memory/2532-14-0x0000000074340000-0x0000000074A2E000-memory.dmp

    Filesize

    6.9MB