Analysis

  • max time kernel
    34s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-06-2024 01:20

General

  • Target

    1e7f77cd803d6b212691b6d980c781b7c88a97ed36bbf56c296f692025c0d4cb.exe

  • Size

    1.5MB

  • MD5

    35984160300bca2336ae5ca482c9c486

  • SHA1

    fc88fa1a3b7d31b492bc3245d663272cf10b25fc

  • SHA256

    1e7f77cd803d6b212691b6d980c781b7c88a97ed36bbf56c296f692025c0d4cb

  • SHA512

    0c8e6c20e1b1128c57d300bc2afa169537edb2848f9552e2b80334400b646a3c71d665033918dd6b6acfe02e542bc8ca97912f6a1d2bf105fff14d510ccbb86b

  • SSDEEP

    24576:4px7fHr9S8HkaGfOLjhOCR0hnVixnylw/oUcK3XOn5ZORvUhtIBqoIi2jc6BY:4rPVGfT2x5/oE3c5ZkvUhMiYF

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.enviroclean.pe
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    -skHMrp;]#l@

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 2 IoCs
  • Program crash 1 IoCs
  • 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 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1e7f77cd803d6b212691b6d980c781b7c88a97ed36bbf56c296f692025c0d4cb.exe
    "C:\Users\Admin\AppData\Local\Temp\1e7f77cd803d6b212691b6d980c781b7c88a97ed36bbf56c296f692025c0d4cb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3720
    • C:\Users\Admin\AppData\Local\Temp\1e7f77cd803d6b212691b6d980c781b7c88a97ed36bbf56c296f692025c0d4cb.exe
      "C:\Users\Admin\AppData\Local\Temp\1e7f77cd803d6b212691b6d980c781b7c88a97ed36bbf56c296f692025c0d4cb.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2032
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Users\Admin\AppData\Local\Temp\1e7f77cd803d6b212691b6d980c781b7c88a97ed36bbf56c296f692025c0d4cb.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4144
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 656
        3⤵
        • Program crash
        PID:4012
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2032 -ip 2032
    1⤵
      PID:1244

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2032-29-0x00000000019F0000-0x00000000019F4000-memory.dmp

      Filesize

      16KB

    • memory/2032-34-0x0000000000400000-0x000000000050D000-memory.dmp

      Filesize

      1.1MB

    • memory/2032-14-0x0000000000400000-0x000000000050D000-memory.dmp

      Filesize

      1.1MB

    • memory/2032-13-0x0000000000400000-0x000000000050D000-memory.dmp

      Filesize

      1.1MB

    • memory/2032-16-0x0000000000400000-0x000000000050D000-memory.dmp

      Filesize

      1.1MB

    • memory/2032-17-0x0000000000400000-0x000000000050D000-memory.dmp

      Filesize

      1.1MB

    • memory/3720-6-0x0000000005620000-0x0000000005638000-memory.dmp

      Filesize

      96KB

    • memory/3720-2-0x0000000005640000-0x0000000005BE4000-memory.dmp

      Filesize

      5.6MB

    • memory/3720-8-0x00000000080C0000-0x0000000008210000-memory.dmp

      Filesize

      1.3MB

    • memory/3720-9-0x000000000B930000-0x000000000B9CC000-memory.dmp

      Filesize

      624KB

    • memory/3720-10-0x000000007465E000-0x000000007465F000-memory.dmp

      Filesize

      4KB

    • memory/3720-11-0x0000000074650000-0x0000000074E00000-memory.dmp

      Filesize

      7.7MB

    • memory/3720-0-0x000000007465E000-0x000000007465F000-memory.dmp

      Filesize

      4KB

    • memory/3720-18-0x0000000074650000-0x0000000074E00000-memory.dmp

      Filesize

      7.7MB

    • memory/3720-5-0x0000000005060000-0x000000000506A000-memory.dmp

      Filesize

      40KB

    • memory/3720-4-0x0000000074650000-0x0000000074E00000-memory.dmp

      Filesize

      7.7MB

    • memory/3720-3-0x0000000005090000-0x0000000005122000-memory.dmp

      Filesize

      584KB

    • memory/3720-7-0x0000000005310000-0x0000000005320000-memory.dmp

      Filesize

      64KB

    • memory/3720-12-0x000000000BBD0000-0x000000000BCDD000-memory.dmp

      Filesize

      1.1MB

    • memory/3720-1-0x00000000004F0000-0x0000000000672000-memory.dmp

      Filesize

      1.5MB

    • memory/4144-32-0x0000000004BC0000-0x0000000004C26000-memory.dmp

      Filesize

      408KB

    • memory/4144-33-0x0000000074650000-0x0000000074E00000-memory.dmp

      Filesize

      7.7MB

    • memory/4144-30-0x0000000000500000-0x0000000000542000-memory.dmp

      Filesize

      264KB

    • memory/4144-31-0x000000007465E000-0x000000007465F000-memory.dmp

      Filesize

      4KB

    • memory/4144-35-0x0000000005D00000-0x0000000005D50000-memory.dmp

      Filesize

      320KB

    • memory/4144-36-0x000000007465E000-0x000000007465F000-memory.dmp

      Filesize

      4KB

    • memory/4144-37-0x0000000074650000-0x0000000074E00000-memory.dmp

      Filesize

      7.7MB