Analysis

  • max time kernel
    91s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/05/2024, 01:07

General

  • Target

    PO_37736OP48400.exe

  • Size

    1010KB

  • MD5

    56d9c71592654962c604e4b174b89765

  • SHA1

    4a01911a00fa8898279f24564863cd87a08076d1

  • SHA256

    490e033865350470d7edcb5aae610e3d89a1c3d5754efde517a75c3130d1596c

  • SHA512

    e508dba6cc21476a50422e00902721ac3f984137858b017bcef15bad23a6238b5b1b4225318a25cf78216249cd0173c77c91d9f5142a9cabb12e812d635b0278

  • SSDEEP

    24576:YAHnh+eWsN3skA4RV1Hom2KXMmHaou4l/WAcpm5:fh+ZkldoPK8YaoRLcC

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.midhcodistribuciones.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    ,A7}+JV4KExQ

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 FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO_37736OP48400.exe
    "C:\Users\Admin\AppData\Local\Temp\PO_37736OP48400.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4324
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\PO_37736OP48400.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2496
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4324 -s 696
      2⤵
      • Program crash
      PID:3620
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4324 -ip 4324
    1⤵
      PID:3800

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/2496-11-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2496-12-0x000000007434E000-0x000000007434F000-memory.dmp

            Filesize

            4KB

          • memory/2496-13-0x0000000005CD0000-0x0000000006274000-memory.dmp

            Filesize

            5.6MB

          • memory/2496-14-0x0000000005820000-0x0000000005886000-memory.dmp

            Filesize

            408KB

          • memory/2496-15-0x0000000074340000-0x0000000074AF0000-memory.dmp

            Filesize

            7.7MB

          • memory/2496-16-0x0000000006970000-0x00000000069C0000-memory.dmp

            Filesize

            320KB

          • memory/2496-17-0x0000000006A60000-0x0000000006AF2000-memory.dmp

            Filesize

            584KB

          • memory/2496-18-0x00000000069E0000-0x00000000069EA000-memory.dmp

            Filesize

            40KB

          • memory/2496-19-0x000000007434E000-0x000000007434F000-memory.dmp

            Filesize

            4KB

          • memory/2496-20-0x0000000074340000-0x0000000074AF0000-memory.dmp

            Filesize

            7.7MB

          • memory/4324-10-0x00000000021F0000-0x00000000021F4000-memory.dmp

            Filesize

            16KB