Analysis

  • max time kernel
    93s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-03-2024 02:12

General

  • Target

    46eb5c336c4f1fada81866d3c8a2d40bd6ddaa12f2b23c6543ecc03e956d01ad.exe

  • Size

    1.1MB

  • MD5

    dc74bcce61f1a226f9169e3f3dcf8608

  • SHA1

    09453a788a822244baae5c31eba9c51ed10875cd

  • SHA256

    46eb5c336c4f1fada81866d3c8a2d40bd6ddaa12f2b23c6543ecc03e956d01ad

  • SHA512

    1631b93f14fc91a63e056e4c711040dd9e736454f019ecad3f4cafe8f54ef1cc309326e0768fc7fa9df557156724acbbf9189d56a37b5df73f4cfee4e6a75e30

  • SSDEEP

    24576:4qDEvCTbMWu7rQYlBQcBiT6rprG8avnkqBX9ees:4TvC/MTQYxsWR7avnk8F

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.solucionesmexico.mx
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    dGG^ZYIxX5!B

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • 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
  • 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\46eb5c336c4f1fada81866d3c8a2d40bd6ddaa12f2b23c6543ecc03e956d01ad.exe
    "C:\Users\Admin\AppData\Local\Temp\46eb5c336c4f1fada81866d3c8a2d40bd6ddaa12f2b23c6543ecc03e956d01ad.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2424
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\46eb5c336c4f1fada81866d3c8a2d40bd6ddaa12f2b23c6543ecc03e956d01ad.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3364

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2424-10-0x0000000003A90000-0x0000000003A94000-memory.dmp
    Filesize

    16KB

  • memory/3364-11-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/3364-12-0x0000000073830000-0x0000000073FE0000-memory.dmp
    Filesize

    7.7MB

  • memory/3364-13-0x00000000056C0000-0x0000000005C64000-memory.dmp
    Filesize

    5.6MB

  • memory/3364-14-0x00000000050C0000-0x00000000050D0000-memory.dmp
    Filesize

    64KB

  • memory/3364-15-0x0000000005180000-0x00000000051E6000-memory.dmp
    Filesize

    408KB

  • memory/3364-16-0x0000000006470000-0x0000000006502000-memory.dmp
    Filesize

    584KB

  • memory/3364-17-0x0000000006510000-0x0000000006560000-memory.dmp
    Filesize

    320KB

  • memory/3364-18-0x0000000006460000-0x000000000646A000-memory.dmp
    Filesize

    40KB

  • memory/3364-19-0x0000000073830000-0x0000000073FE0000-memory.dmp
    Filesize

    7.7MB

  • memory/3364-20-0x00000000050C0000-0x00000000050D0000-memory.dmp
    Filesize

    64KB