Analysis

  • max time kernel
    120s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 01:07

General

  • Target

    OC 90073767.exe

  • Size

    552KB

  • MD5

    8faa09f01bb31e3b8894c68ab5cdf475

  • SHA1

    77b8b6a3e7cab083b4c05f5ab25889680a21e1b9

  • SHA256

    73bf065eabac20e8486f86f1cc1e187b1e04adc12938e0bbb8c7b8852be0c2d8

  • SHA512

    8e030bd798cfc6863a55554d60eae958ba5bca3fd87c05ed9603456cdf36fed5b3b443d7a06693395d92c407121e9d1243f0688a67cd97703f17d7041620f90f

  • SSDEEP

    12288:uquErHF6xC9D6DmR1J98w4oknqOOCyQfEGj/1jPy5Rfw:jrl6kD68JmlotQf3j68

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.

  • 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 2 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\OC 90073767.exe
    "C:\Users\Admin\AppData\Local\Temp\OC 90073767.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:2324
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\OC 90073767.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1104

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1104-12-0x0000000000090000-0x00000000000D2000-memory.dmp

    Filesize

    264KB

  • memory/1104-19-0x0000000000090000-0x00000000000D2000-memory.dmp

    Filesize

    264KB

  • memory/1104-21-0x0000000000090000-0x00000000000D2000-memory.dmp

    Filesize

    264KB

  • memory/1104-14-0x0000000000090000-0x00000000000D2000-memory.dmp

    Filesize

    264KB

  • memory/1104-24-0x000000007467E000-0x000000007467F000-memory.dmp

    Filesize

    4KB

  • memory/1104-25-0x0000000074670000-0x0000000074D5E000-memory.dmp

    Filesize

    6.9MB

  • memory/1104-26-0x000000007467E000-0x000000007467F000-memory.dmp

    Filesize

    4KB

  • memory/1104-27-0x0000000074670000-0x0000000074D5E000-memory.dmp

    Filesize

    6.9MB

  • memory/2324-0-0x0000000001270000-0x00000000013B0000-memory.dmp

    Filesize

    1.2MB

  • memory/2324-11-0x0000000000170000-0x0000000000174000-memory.dmp

    Filesize

    16KB

  • memory/2324-23-0x0000000001270000-0x00000000013B0000-memory.dmp

    Filesize

    1.2MB