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Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29/02/2024, 05:21

General

  • Target

    3c2e45ec9a4b0e3b05b964f8cc1b5a124101e223aaad08f060c90e9140a34377.exe

  • Size

    577KB

  • MD5

    0bd3ba54e625948b9378c9ff8f2905ad

  • SHA1

    aa2de74b5fdfd4e92bd5f8ee46b4cc2768d5b6b6

  • SHA256

    3c2e45ec9a4b0e3b05b964f8cc1b5a124101e223aaad08f060c90e9140a34377

  • SHA512

    9dd6d3c845c30b244bc717c6a5be7e37fcbc3e947403fa21bff107c60019a92dd474dd44de19dd77774363079a0709f6718b06d067fc22dffd8effd0f0cee24d

  • SSDEEP

    12288:VOv5jKhsfoPA+yeVKUCUxP4C902bdRtJJPin2Acooe1GJqAAdR5VOkO:Vq5TfcdHj4fmb4HTbr5I

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.elquijotebanquetes.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    4r@d15PS!-!h

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 4 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 4 IoCs
  • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 4 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 4 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 4 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 4 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 4 IoCs
  • UPX dump on OEP (original entry point) 2 IoCs
  • UPX packed file 2 IoCs

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

  • 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
  • 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\3c2e45ec9a4b0e3b05b964f8cc1b5a124101e223aaad08f060c90e9140a34377.exe
    "C:\Users\Admin\AppData\Local\Temp\3c2e45ec9a4b0e3b05b964f8cc1b5a124101e223aaad08f060c90e9140a34377.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2868
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\3c2e45ec9a4b0e3b05b964f8cc1b5a124101e223aaad08f060c90e9140a34377.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2380

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2380-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2380-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2380-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2380-18-0x0000000074780000-0x0000000074E6E000-memory.dmp

    Filesize

    6.9MB

  • memory/2380-19-0x0000000004A70000-0x0000000004AB0000-memory.dmp

    Filesize

    256KB

  • memory/2380-20-0x0000000074780000-0x0000000074E6E000-memory.dmp

    Filesize

    6.9MB

  • memory/2380-21-0x0000000004A70000-0x0000000004AB0000-memory.dmp

    Filesize

    256KB

  • memory/2868-0-0x0000000000C40000-0x0000000000D91000-memory.dmp

    Filesize

    1.3MB

  • memory/2868-11-0x0000000000160000-0x0000000000164000-memory.dmp

    Filesize

    16KB

  • memory/2868-14-0x0000000000C40000-0x0000000000D91000-memory.dmp

    Filesize

    1.3MB