Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    09/08/2024, 07:56

General

  • Target

    DOCUMENTS AWB 72944348673.exe

  • Size

    255KB

  • MD5

    4c1a99eda6c67c2ec6ddbfeb166bb581

  • SHA1

    a79b4f3fa29da6cefd34475b3a2bdb6d715fa600

  • SHA256

    750821c931e05dd447353b3351efe66922397a040c363cbfa7c19a8f94ebf411

  • SHA512

    9bcc918f741f08b976d87dceff572f97836c672ab7ba0916798a298fb607255ff63601b12e349fed2406c2b1d106203e59f6d2d2e856baff58a4a92c50aff7db

  • SSDEEP

    6144:8wkNp5zosmcpI5orAY8V9toiSbOF+MCUPrxAZBV6KshGjld:8wk750s1C68RoiSKTnr+Myv

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.ultraflex.com.mx
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Jgj8-p4Z]a1b

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 1 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DOCUMENTS AWB 72944348673.exe
    "C:\Users\Admin\AppData\Local\Temp\DOCUMENTS AWB 72944348673.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2136
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1256

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1256-6-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1256-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1256-21-0x0000000074DE0000-0x00000000754CE000-memory.dmp

    Filesize

    6.9MB

  • memory/1256-20-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

    Filesize

    4KB

  • memory/1256-19-0x0000000074DE0000-0x00000000754CE000-memory.dmp

    Filesize

    6.9MB

  • memory/1256-5-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1256-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1256-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1256-18-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

    Filesize

    4KB

  • memory/1256-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1256-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1256-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2136-0-0x000007FEF5F73000-0x000007FEF5F74000-memory.dmp

    Filesize

    4KB

  • memory/2136-17-0x000007FEF5F70000-0x000007FEF695C000-memory.dmp

    Filesize

    9.9MB

  • memory/2136-1-0x0000000000900000-0x0000000000946000-memory.dmp

    Filesize

    280KB

  • memory/2136-4-0x0000000000770000-0x0000000000784000-memory.dmp

    Filesize

    80KB

  • memory/2136-3-0x000007FEF5F70000-0x000007FEF695C000-memory.dmp

    Filesize

    9.9MB

  • memory/2136-2-0x0000000000740000-0x0000000000776000-memory.dmp

    Filesize

    216KB