Analysis

  • max time kernel
    144s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/02/2024, 10:03

General

  • Target
    PURCHASE_ORDER.scr.exe
  • Size 830KB
  • Sample240207-l3crnaggdr
  • SHA256 5ce7ae731c83441a0709cb48ab4abe89ae323faba4318d651fed0ce083167b4b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

C2
  • https://api.telegram.org/bot6861676476:AAHdePx2vaNWUpQULXwnz66Xi1i6tFkMHOM/

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.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PURCHASE_ORDER.scr.exe
    "C:\Users\Admin\AppData\Local\Temp\PURCHASE_ORDER.scr.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:428
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GyoHTG.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5420
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GyoHTG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8349.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4528
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3992

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        __PSScriptPolicyTest_fjbidstb.kz2.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fjbidstb.kz2.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        tmp8349.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp8349.tmp
        • Size 1KB
        • SHA256 657a779a05fdf4bd9a191dfa45dfcc89eb8b3ef0b240e36cfdb443ea8868db23
        • MD5 SHA1 SHA512

        memory/428-10-0x0000000006A40000-0x0000000006AC2000-memory.dmp

        memory/428-0-0x00000000007E0000-0x00000000008B4000-memory.dmp

        memory/428-4-0x0000000002CA0000-0x0000000002CB0000-memory.dmp

        memory/428-3-0x00000000052B0000-0x0000000005342000-memory.dmp

        memory/428-5-0x0000000005290000-0x000000000529A000-memory.dmp

        memory/428-7-0x00000000054F0000-0x0000000005504000-memory.dmp

        memory/428-8-0x0000000005730000-0x000000000573A000-memory.dmp

        memory/428-9-0x0000000005860000-0x000000000586E000-memory.dmp

        memory/428-2-0x0000000005920000-0x0000000005EC4000-memory.dmp

        memory/428-24-0x0000000074940000-0x00000000750F0000-memory.dmp

        memory/428-6-0x0000000005500000-0x000000000559C000-memory.dmp

        memory/428-1-0x0000000074940000-0x00000000750F0000-memory.dmp

        memory/3992-70-0x0000000074940000-0x00000000750F0000-memory.dmp

        memory/3992-21-0x0000000000400000-0x0000000000440000-memory.dmp

        memory/3992-69-0x00000000064B0000-0x0000000006500000-memory.dmp

        memory/3992-27-0x00000000055B0000-0x0000000005616000-memory.dmp

        memory/3992-23-0x0000000074940000-0x00000000750F0000-memory.dmp

        memory/3992-26-0x0000000005530000-0x0000000005540000-memory.dmp

        memory/3992-71-0x0000000005530000-0x0000000005540000-memory.dmp

        memory/5420-19-0x0000000004FD0000-0x0000000004FE0000-memory.dmp

        memory/5420-43-0x00000000705C0000-0x000000007060C000-memory.dmp

        memory/5420-25-0x0000000005380000-0x00000000053A2000-memory.dmp

        memory/5420-17-0x0000000074940000-0x00000000750F0000-memory.dmp

        memory/5420-56-0x0000000007640000-0x00000000076E3000-memory.dmp

        memory/5420-39-0x0000000006450000-0x000000000646E000-memory.dmp

        memory/5420-40-0x00000000064A0000-0x00000000064EC000-memory.dmp

        memory/5420-41-0x000000007FAC0000-0x000000007FAD0000-memory.dmp

        memory/5420-42-0x0000000006A10000-0x0000000006A42000-memory.dmp

        memory/5420-55-0x0000000004FD0000-0x0000000004FE0000-memory.dmp

        memory/5420-54-0x0000000004FD0000-0x0000000004FE0000-memory.dmp

        memory/5420-38-0x0000000005E90000-0x00000000061E4000-memory.dmp

        memory/5420-53-0x0000000006A60000-0x0000000006A7E000-memory.dmp

        memory/5420-28-0x0000000005DB0000-0x0000000005E16000-memory.dmp

        memory/5420-58-0x0000000007780000-0x000000000779A000-memory.dmp

        memory/5420-57-0x0000000007DC0000-0x000000000843A000-memory.dmp

        memory/5420-59-0x00000000077F0000-0x00000000077FA000-memory.dmp

        memory/5420-60-0x0000000007A00000-0x0000000007A96000-memory.dmp

        memory/5420-61-0x0000000007980000-0x0000000007991000-memory.dmp

        memory/5420-62-0x00000000079B0000-0x00000000079BE000-memory.dmp

        memory/5420-63-0x00000000079C0000-0x00000000079D4000-memory.dmp

        memory/5420-64-0x0000000007AC0000-0x0000000007ADA000-memory.dmp

        memory/5420-65-0x0000000007AA0000-0x0000000007AA8000-memory.dmp

        memory/5420-68-0x0000000074940000-0x00000000750F0000-memory.dmp

        memory/5420-18-0x0000000005610000-0x0000000005C38000-memory.dmp

        memory/5420-20-0x0000000004FD0000-0x0000000004FE0000-memory.dmp

        memory/5420-15-0x0000000002B40000-0x0000000002B76000-memory.dmp