Analysis

  • max time kernel
    149s
  • 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
    25-01-2025 01:11

General

  • Target

    cotizaci¨®n.exe

  • Size

    1.1MB

  • MD5

    74961c52806797a5988894a1caa5bf19

  • SHA1

    f17500067daa8d8a4125979dec8a6005b07a928b

  • SHA256

    41c3a4ebd8d4fea8dbf115e338f4912e051f4916694e7663471e3f894a4e18be

  • SHA512

    40ebf7c576ff2065b9f94c8866524c132ddafeda416b144a0467a5b2ce06dd82f03530be899819c06f424e63fe2613d9a3be7202e60b268850598ae35ac9a9e8

  • SSDEEP

    24576:uRmJkcoQricOIQxiZY1iaCOavymih0JSuHSFv35SnM+yXei:7JZoQrbTFZY1iaCOaLiOJSqGv35SnMN5

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.stingatoareincendii.ro
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    3.*RYhlG)lkA

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 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 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cotizaci¨®n.exe
    "C:\Users\Admin\AppData\Local\Temp\cotizaci¨®n.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:4996
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\cotizaci¨®n.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:832
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4996 -s 764
      2⤵
      • Program crash
      PID:1968
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4996 -ip 4996
    1⤵
      PID:1308

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/832-3-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/832-4-0x0000000073CCE000-0x0000000073CCF000-memory.dmp

      Filesize

      4KB

    • memory/832-5-0x0000000005980000-0x0000000005F24000-memory.dmp

      Filesize

      5.6MB

    • memory/832-6-0x0000000005580000-0x00000000055E6000-memory.dmp

      Filesize

      408KB

    • memory/832-7-0x0000000073CC0000-0x0000000074470000-memory.dmp

      Filesize

      7.7MB

    • memory/832-8-0x0000000006800000-0x0000000006850000-memory.dmp

      Filesize

      320KB

    • memory/832-9-0x00000000068F0000-0x0000000006982000-memory.dmp

      Filesize

      584KB

    • memory/832-10-0x0000000006880000-0x000000000688A000-memory.dmp

      Filesize

      40KB

    • memory/832-11-0x0000000073CCE000-0x0000000073CCF000-memory.dmp

      Filesize

      4KB

    • memory/832-12-0x0000000073CC0000-0x0000000074470000-memory.dmp

      Filesize

      7.7MB

    • memory/4996-2-0x0000000004160000-0x0000000004360000-memory.dmp

      Filesize

      2.0MB