Analysis

  • max time kernel
    40s
  • max time network
    49s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/06/2024, 01:48

General

  • Target
    18e93e86d45bf8c393d71e183bfcd26ca971afea3e868169006d69038ed626be.exe
  • Size 913KB
  • Sample240614-b8ajda1anb
  • SHA256 18e93e86d45bf8c393d71e183bfcd26ca971afea3e868169006d69038ed626be
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.skitz.com.ng

  • Port

    21

  • Password

    Kosyano1@

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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
  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\18e93e86d45bf8c393d71e183bfcd26ca971afea3e868169006d69038ed626be.exe
    "C:\Users\Admin\AppData\Local\Temp\18e93e86d45bf8c393d71e183bfcd26ca971afea3e868169006d69038ed626be.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4828
    • 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\18e93e86d45bf8c393d71e183bfcd26ca971afea3e868169006d69038ed626be.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3324
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qClpySdresjj.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1480
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qClpySdresjj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8F7E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3372
    • C:\Users\Admin\AppData\Local\Temp\18e93e86d45bf8c393d71e183bfcd26ca971afea3e868169006d69038ed626be.exe
      "C:\Users\Admin\AppData\Local\Temp\18e93e86d45bf8c393d71e183bfcd26ca971afea3e868169006d69038ed626be.exe"
      2⤵
        PID:2512
      • C:\Users\Admin\AppData\Local\Temp\18e93e86d45bf8c393d71e183bfcd26ca971afea3e868169006d69038ed626be.exe
        "C:\Users\Admin\AppData\Local\Temp\18e93e86d45bf8c393d71e183bfcd26ca971afea3e868169006d69038ed626be.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1596

    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 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
          • MD5 SHA1 SHA512

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 18KB
          • SHA256 1c951ab40b57ce3d38f6aad0841accab915f7de2b007e309414ddbfa9913179f
          • MD5 SHA1 SHA512 SSDEEP

          __PSScriptPolicyTest_dsayayjl.5i5.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dsayayjl.5i5.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          tmp8F7E.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\tmp8F7E.tmp
          • Size 1KB
          • SHA256 7ecf9e7d2cb44b2805369e14c3cac1931b41b8474a5d70b0d27d7be09109af4a
          • MD5 SHA1 SHA512

          memory/1480-63-0x00000000075C0000-0x0000000007C3A000-memory.dmp

          memory/1480-50-0x0000000006220000-0x0000000006252000-memory.dmp

          memory/1480-77-0x0000000007180000-0x0000000007191000-memory.dmp

          memory/1480-76-0x0000000007200000-0x0000000007296000-memory.dmp

          memory/1480-65-0x0000000006FF0000-0x0000000006FFA000-memory.dmp

          memory/1480-64-0x0000000006F80000-0x0000000006F9A000-memory.dmp

          memory/1480-81-0x00000000072C0000-0x00000000072C8000-memory.dmp

          memory/1480-78-0x00000000071D0000-0x00000000071DE000-memory.dmp

          memory/1480-62-0x0000000006E60000-0x0000000006F03000-memory.dmp

          memory/1480-61-0x0000000006260000-0x000000000627E000-memory.dmp

          memory/1480-51-0x000000006FBF0000-0x000000006FC3C000-memory.dmp

          memory/1480-19-0x0000000074CA0000-0x0000000075450000-memory.dmp

          memory/1480-88-0x0000000074CA0000-0x0000000075450000-memory.dmp

          memory/1480-48-0x0000000005FC0000-0x000000000600C000-memory.dmp

          memory/1480-47-0x0000000005C40000-0x0000000005C5E000-memory.dmp

          memory/1480-41-0x0000000074CA0000-0x0000000075450000-memory.dmp

          memory/1596-40-0x0000000000400000-0x0000000000442000-memory.dmp

          memory/1596-89-0x00000000072C0000-0x0000000007310000-memory.dmp

          memory/3324-23-0x0000000005010000-0x0000000005076000-memory.dmp

          memory/3324-24-0x0000000005230000-0x0000000005296000-memory.dmp

          memory/3324-39-0x00000000058F0000-0x0000000005C44000-memory.dmp

          memory/3324-22-0x0000000004EF0000-0x0000000004F12000-memory.dmp

          memory/3324-84-0x0000000074CA0000-0x0000000075450000-memory.dmp

          memory/3324-66-0x000000006FBF0000-0x000000006FC3C000-memory.dmp

          memory/3324-18-0x0000000074CA0000-0x0000000075450000-memory.dmp

          memory/3324-17-0x0000000074CA0000-0x0000000075450000-memory.dmp

          memory/3324-16-0x0000000074CA0000-0x0000000075450000-memory.dmp

          memory/3324-15-0x00000000052C0000-0x00000000058E8000-memory.dmp

          memory/3324-14-0x0000000002570000-0x00000000025A6000-memory.dmp

          memory/3324-80-0x0000000007510000-0x000000000752A000-memory.dmp

          memory/3324-79-0x0000000007410000-0x0000000007424000-memory.dmp

          memory/4828-20-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

          memory/4828-7-0x0000000007530000-0x0000000007540000-memory.dmp

          memory/4828-6-0x0000000007550000-0x000000000756A000-memory.dmp

          memory/4828-5-0x0000000074CA0000-0x0000000075450000-memory.dmp

          memory/4828-8-0x0000000008690000-0x0000000008714000-memory.dmp

          memory/4828-9-0x000000000D3D0000-0x000000000D46C000-memory.dmp

          memory/4828-4-0x0000000004720000-0x000000000472A000-memory.dmp

          memory/4828-49-0x0000000074CA0000-0x0000000075450000-memory.dmp

          memory/4828-3-0x0000000007170000-0x0000000007202000-memory.dmp

          memory/4828-2-0x0000000007620000-0x0000000007BC4000-memory.dmp

          memory/4828-1-0x00000000001D0000-0x00000000002B6000-memory.dmp

          memory/4828-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp