Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    15/01/2024, 01:17

General

  • Target

    b3df1390c298d38d58f43569a1a0cb95cf1ed7450d02eadbdab1524abeb7484c.exe

  • Size

    1.1MB

  • MD5

    c71613619a1a7ee2c7e0a35555779b8f

  • SHA1

    1ea5eb485436b9f89fae9192e671ee66e9d7e404

  • SHA256

    b3df1390c298d38d58f43569a1a0cb95cf1ed7450d02eadbdab1524abeb7484c

  • SHA512

    2110f614ad971d3b3c0ae70dec4601581f24f9de537e3c711e38e91a3c9d4fb2079d47e929e8fee42b67437065f1f0d6a53b7efd8c7de2bf97125cdc0ae37989

  • SSDEEP

    24576:9qDEvCTbMWu7rQYlBQcBiT6rprG8a2pkX/VT2P0:9TvC/MTQYxsWR7a2pg/VU

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.siscop.com.co
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    +5s48Ia2&-(t

Signatures

  • AgentTesla

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

  • 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
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b3df1390c298d38d58f43569a1a0cb95cf1ed7450d02eadbdab1524abeb7484c.exe
    "C:\Users\Admin\AppData\Local\Temp\b3df1390c298d38d58f43569a1a0cb95cf1ed7450d02eadbdab1524abeb7484c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2500
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\b3df1390c298d38d58f43569a1a0cb95cf1ed7450d02eadbdab1524abeb7484c.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2168
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2500 -s 300
      2⤵
      • Program crash
      PID:2100

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2168-11-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2168-15-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2168-13-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2168-16-0x00000000747E0000-0x0000000074ECE000-memory.dmp

          Filesize

          6.9MB

        • memory/2168-17-0x0000000000F40000-0x0000000000F80000-memory.dmp

          Filesize

          256KB

        • memory/2168-18-0x00000000747E0000-0x0000000074ECE000-memory.dmp

          Filesize

          6.9MB

        • memory/2168-19-0x0000000000F40000-0x0000000000F80000-memory.dmp

          Filesize

          256KB

        • memory/2500-10-0x0000000000300000-0x0000000000304000-memory.dmp

          Filesize

          16KB