Analysis

  • max time kernel
    14s
  • max time network
    84s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2024 01:25

General

  • Target

    pago devuelto_986754346346789076543486756457890.exe

  • Size

    558KB

  • MD5

    6e140711ff9ec49f3fa96dbe3d8647f4

  • SHA1

    2e0f7ae1f78b55f78c069c8081685a7b31671ea2

  • SHA256

    ba2172b7494a5d9f39f2961396d9f6e7a1153a6ac358548eaa01831349a028b3

  • SHA512

    f49520ec708bef0bae9f173428aedfbedebdbc5c5b2fee1725096296b25041858db35cc08d8493bac79cec045c35433d73ffb9d9fef7756e22e13065d25a1f7a

  • SSDEEP

    12288:zquErHF6xC9D6DmR1J98w4oknqOOCyQfItlN6rSDFXvzKQeL0F:Krl6kD68JmlotQfWl2A1LZeL8

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.fosna.net
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    =A+N^@~c]~#I

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\pago devuelto_986754346346789076543486756457890.exe
    "C:\Users\Admin\AppData\Local\Temp\pago devuelto_986754346346789076543486756457890.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:2220
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\pago devuelto_986754346346789076543486756457890.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2976

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2220-0-0x0000000001220000-0x0000000001364000-memory.dmp

    Filesize

    1.3MB

  • memory/2220-11-0x0000000000120000-0x0000000000124000-memory.dmp

    Filesize

    16KB

  • memory/2220-18-0x0000000001220000-0x0000000001364000-memory.dmp

    Filesize

    1.3MB

  • memory/2976-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2976-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2976-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2976-19-0x00000000741EE000-0x00000000741EF000-memory.dmp

    Filesize

    4KB

  • memory/2976-20-0x00000000741E0000-0x00000000748CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2976-21-0x00000000741EE000-0x00000000741EF000-memory.dmp

    Filesize

    4KB

  • memory/2976-22-0x00000000741E0000-0x00000000748CE000-memory.dmp

    Filesize

    6.9MB