Analysis

  • max time kernel
    151s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-09-2023 18:51

General

  • Target

    725d44e77922332d23018ee4a5a5982ed0856c87d84c86a578c671726776ab48_JC.exe

  • Size

    1.1MB

  • MD5

    e9d5c407dff7f063ef4ae78562e2da9e

  • SHA1

    1c573c5a165e171f013aac3ccf21816125d156aa

  • SHA256

    725d44e77922332d23018ee4a5a5982ed0856c87d84c86a578c671726776ab48

  • SHA512

    e5dd2b6de9dd1288c7fad0631676fbe36f9976bfecc7189de428123ce302d40f29b9969be4f88efc3dcd14005ff7ac78dfece4fd46b7b53bc547f16f7f066291

  • SSDEEP

    12288:5ws77R2dAV6K9i4ytfh5tSZVfn5TjzsrjlU40IubL0YgcxhXibzkYCAr/1EN0i9p:+s7t2dAVd9i4ytWVl3rtazKQ1ENh3A+

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\725d44e77922332d23018ee4a5a5982ed0856c87d84c86a578c671726776ab48_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\725d44e77922332d23018ee4a5a5982ed0856c87d84c86a578c671726776ab48_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4916
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      2⤵
        PID:4468
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4700
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 296
        2⤵
        • Program crash
        PID:712
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4916 -ip 4916
      1⤵
        PID:1980

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4700-0-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/4700-1-0x0000000074D70000-0x0000000075520000-memory.dmp

        Filesize

        7.7MB

      • memory/4700-2-0x0000000005CD0000-0x0000000006274000-memory.dmp

        Filesize

        5.6MB

      • memory/4700-3-0x00000000056A0000-0x00000000056B0000-memory.dmp

        Filesize

        64KB

      • memory/4700-4-0x0000000005620000-0x0000000005686000-memory.dmp

        Filesize

        408KB

      • memory/4700-7-0x0000000074D70000-0x0000000075520000-memory.dmp

        Filesize

        7.7MB

      • memory/4700-8-0x0000000006520000-0x0000000006570000-memory.dmp

        Filesize

        320KB

      • memory/4700-9-0x0000000006610000-0x00000000066A2000-memory.dmp

        Filesize

        584KB

      • memory/4700-10-0x00000000065B0000-0x00000000065BA000-memory.dmp

        Filesize

        40KB

      • memory/4700-11-0x00000000056A0000-0x00000000056B0000-memory.dmp

        Filesize

        64KB