Analysis

  • max time kernel
    128s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/09/2024, 09:59

General

  • Target
    Ödeme Bildirimi.exe
  • Size 810.6MB
  • Sample240909-l1gmtsscpm
  • SHA256 dd6792c5b40433f5fa1e59f4e4b5c067c3f0986346904f9c6fe23bc61ca720a2
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

C2
  • https://api.telegram.org/bot7000875199:AAGcJDBHFcfVUBvhBO4xZLw34OXk1NWXSe0/

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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 WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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.

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 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 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ödeme Bildirimi.exe
    "C:\Users\Admin\AppData\Local\Temp\Ödeme Bildirimi.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3328
    • 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\Ödeme Bildirimi.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3284
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uNcbBGFuPZgDr.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1516
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uNcbBGFuPZgDr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2CA.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1472
    • C:\Users\Admin\AppData\Local\Temp\Ödeme Bildirimi.exe
      "C:\Users\Admin\AppData\Local\Temp\Ödeme Bildirimi.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1392

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 80322fff030a8a4ab51ec28a205a7ace020d3bfa77b25999755b057c6bd19f68
        • MD5 SHA1 SHA512 SSDEEP

        __PSScriptPolicyTest_j3ski0q0.twh.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_j3ski0q0.twh.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        tmp2CA.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp2CA.tmp
        • Size 1KB
        • SHA256 5bbb10f4a4284bea0e686c025b235ecce2345504926a1ffffda825796e24f561
        • MD5 SHA1 SHA512

        memory/1392-91-0x0000000006360000-0x00000000063B0000-memory.dmp

        memory/1392-65-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/1516-90-0x0000000074860000-0x0000000075010000-memory.dmp

        memory/1516-74-0x000000006F850000-0x000000006F89C000-memory.dmp

        memory/1516-51-0x0000000074860000-0x0000000075010000-memory.dmp

        memory/3284-48-0x0000000074860000-0x0000000075010000-memory.dmp

        memory/3284-30-0x00000000068E0000-0x000000000692C000-memory.dmp

        memory/3284-13-0x00000000059B0000-0x0000000005FD8000-memory.dmp

        memory/3284-12-0x0000000074860000-0x0000000075010000-memory.dmp

        memory/3284-11-0x0000000005200000-0x0000000005236000-memory.dmp

        memory/3284-14-0x0000000074860000-0x0000000075010000-memory.dmp

        memory/3284-15-0x0000000074860000-0x0000000075010000-memory.dmp

        memory/3284-16-0x00000000056F0000-0x0000000005712000-memory.dmp

        memory/3284-18-0x0000000006190000-0x00000000061F6000-memory.dmp

        memory/3284-17-0x0000000005890000-0x00000000058F6000-memory.dmp

        memory/3284-86-0x0000000074860000-0x0000000075010000-memory.dmp

        memory/3284-28-0x0000000006200000-0x0000000006554000-memory.dmp

        memory/3284-29-0x0000000006840000-0x000000000685E000-memory.dmp

        memory/3284-69-0x0000000007D70000-0x0000000007D81000-memory.dmp

        memory/3284-46-0x0000000006E50000-0x0000000006E6E000-memory.dmp

        memory/3284-73-0x0000000007E90000-0x0000000007E98000-memory.dmp

        memory/3284-47-0x0000000007A50000-0x0000000007AF3000-memory.dmp

        memory/3284-49-0x0000000074860000-0x0000000075010000-memory.dmp

        memory/3284-36-0x000000006F850000-0x000000006F89C000-memory.dmp

        memory/3284-35-0x0000000006E10000-0x0000000006E42000-memory.dmp

        memory/3284-50-0x0000000074860000-0x0000000075010000-memory.dmp

        memory/3284-72-0x0000000007EB0000-0x0000000007ECA000-memory.dmp

        memory/3284-53-0x0000000007B70000-0x0000000007B8A000-memory.dmp

        memory/3284-71-0x0000000007DB0000-0x0000000007DC4000-memory.dmp

        memory/3284-52-0x00000000081B0000-0x000000000882A000-memory.dmp

        memory/3284-64-0x0000000007BE0000-0x0000000007BEA000-memory.dmp

        memory/3284-70-0x0000000007DA0000-0x0000000007DAE000-memory.dmp

        memory/3284-67-0x0000000007DF0000-0x0000000007E86000-memory.dmp

        memory/3328-9-0x0000000006860000-0x00000000068E4000-memory.dmp

        memory/3328-68-0x0000000074860000-0x0000000075010000-memory.dmp

        memory/3328-6-0x0000000006510000-0x0000000006520000-memory.dmp

        memory/3328-7-0x000000007486E000-0x000000007486F000-memory.dmp

        memory/3328-8-0x0000000074860000-0x0000000075010000-memory.dmp

        memory/3328-0-0x000000007486E000-0x000000007486F000-memory.dmp

        memory/3328-5-0x0000000074860000-0x0000000075010000-memory.dmp

        memory/3328-10-0x0000000008ED0000-0x0000000008F6C000-memory.dmp

        memory/3328-4-0x0000000005080000-0x000000000508A000-memory.dmp

        memory/3328-3-0x0000000004EC0000-0x0000000004F52000-memory.dmp

        memory/3328-2-0x0000000005520000-0x0000000005AC4000-memory.dmp

        memory/3328-1-0x0000000000440000-0x00000000004E2000-memory.dmp