Analysis

  • max time kernel
    115s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/04/2024, 11:14

General

  • Target
    224ff64e59a1b2bf45b02cb11df4f0556de0bbeb7929d37828de1c1bb8ff8772.exe
  • Size 695KB
  • Sample240404-nbzhfsdc8x
  • SHA256 224ff64e59a1b2bf45b02cb11df4f0556de0bbeb7929d37828de1c1bb8ff8772
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\224ff64e59a1b2bf45b02cb11df4f0556de0bbeb7929d37828de1c1bb8ff8772.exe
    "C:\Users\Admin\AppData\Local\Temp\224ff64e59a1b2bf45b02cb11df4f0556de0bbeb7929d37828de1c1bb8ff8772.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:640
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\224ff64e59a1b2bf45b02cb11df4f0556de0bbeb7929d37828de1c1bb8ff8772.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5064
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CyAtYXnWr.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1392
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CyAtYXnWr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6F92.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1116
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3768

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 410b2dba6383d58524d1464d09008a20394cfedc41ad736e43ad3d9981c860fc
        • MD5 SHA1 SHA512 SSDEEP

        __PSScriptPolicyTest_jrieo2e1.cb1.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jrieo2e1.cb1.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        tmp6F92.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp6F92.tmp
        • Size 1KB
        • SHA256 74563918a681a3a361939452d46f72988067e594ae0b8e51c195a05032ff702b
        • MD5 SHA1 SHA512

        memory/640-8-0x0000000005C90000-0x0000000005C9E000-memory.dmp

        memory/640-3-0x00000000057A0000-0x0000000005832000-memory.dmp

        memory/640-6-0x0000000005A20000-0x0000000005ABC000-memory.dmp

        memory/640-7-0x0000000005910000-0x0000000005922000-memory.dmp

        memory/640-47-0x0000000074BB0000-0x0000000075360000-memory.dmp

        memory/640-9-0x0000000006ED0000-0x0000000006F52000-memory.dmp

        memory/640-0-0x0000000000CF0000-0x0000000000DA4000-memory.dmp

        memory/640-5-0x0000000005860000-0x000000000586A000-memory.dmp

        memory/640-4-0x0000000005790000-0x00000000057A0000-memory.dmp

        memory/640-1-0x0000000074BB0000-0x0000000075360000-memory.dmp

        memory/640-2-0x0000000005CB0000-0x0000000006254000-memory.dmp

        memory/1392-23-0x00000000060D0000-0x0000000006136000-memory.dmp

        memory/1392-24-0x00000000061B0000-0x0000000006216000-memory.dmp

        memory/1392-21-0x0000000074BB0000-0x0000000075360000-memory.dmp

        memory/1392-92-0x0000000074BB0000-0x0000000075360000-memory.dmp

        memory/1392-51-0x0000000006D90000-0x0000000006DC2000-memory.dmp

        memory/1392-19-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

        memory/1392-53-0x0000000071360000-0x00000000713AC000-memory.dmp

        memory/1392-79-0x0000000008130000-0x00000000087AA000-memory.dmp

        memory/1392-86-0x0000000007E00000-0x0000000007E08000-memory.dmp

        memory/1392-52-0x000000007F120000-0x000000007F130000-memory.dmp

        memory/1392-76-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

        memory/1392-65-0x0000000007790000-0x00000000077AE000-memory.dmp

        memory/1392-49-0x00000000067C0000-0x00000000067DE000-memory.dmp

        memory/1392-50-0x0000000006880000-0x00000000068CC000-memory.dmp

        memory/1392-82-0x0000000007CE0000-0x0000000007CF1000-memory.dmp

        memory/3768-95-0x0000000074BB0000-0x0000000075360000-memory.dmp

        memory/3768-48-0x0000000004E10000-0x0000000004E20000-memory.dmp

        memory/3768-44-0x0000000074BB0000-0x0000000075360000-memory.dmp

        memory/3768-30-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/3768-94-0x0000000006360000-0x00000000063B0000-memory.dmp

        memory/5064-16-0x00000000058B0000-0x0000000005ED8000-memory.dmp

        memory/5064-75-0x0000000007960000-0x0000000007A03000-memory.dmp

        memory/5064-77-0x0000000005230000-0x0000000005240000-memory.dmp

        memory/5064-55-0x000000007F8E0000-0x000000007F8F0000-memory.dmp

        memory/5064-78-0x0000000007AC0000-0x0000000007ADA000-memory.dmp

        memory/5064-80-0x0000000007B30000-0x0000000007B3A000-memory.dmp

        memory/5064-81-0x0000000007D40000-0x0000000007DD6000-memory.dmp

        memory/5064-54-0x0000000071360000-0x00000000713AC000-memory.dmp

        memory/5064-83-0x0000000007CF0000-0x0000000007CFE000-memory.dmp

        memory/5064-84-0x0000000007D00000-0x0000000007D14000-memory.dmp

        memory/5064-85-0x0000000007E00000-0x0000000007E1A000-memory.dmp

        memory/5064-45-0x00000000063F0000-0x0000000006744000-memory.dmp

        memory/5064-22-0x0000000006010000-0x0000000006032000-memory.dmp

        memory/5064-18-0x0000000005230000-0x0000000005240000-memory.dmp

        memory/5064-15-0x0000000074BB0000-0x0000000075360000-memory.dmp

        memory/5064-93-0x0000000074BB0000-0x0000000075360000-memory.dmp

        memory/5064-17-0x0000000005230000-0x0000000005240000-memory.dmp

        memory/5064-14-0x0000000005240000-0x0000000005276000-memory.dmp