Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    12-06-2024 02:00

General

  • Target

    801fb085b2034c2da6a22f7ed8d86ae6e7195b09d63c195a2b04a55b7a40f97f.exe

  • Size

    750KB

  • MD5

    65896cd6fe3a01926ed49c9ef5a29ef7

  • SHA1

    c5dc5a34959a9695187f9d5feed4cc4fb8cbae44

  • SHA256

    801fb085b2034c2da6a22f7ed8d86ae6e7195b09d63c195a2b04a55b7a40f97f

  • SHA512

    c59c6033482ca7690fd07a1f77157caa8d2e34ba6b85326831fbb820c402eaea76b26236b879116bc694e66fb10bb6cd6ea95d3497febba3a600132429844601

  • SSDEEP

    12288:vs2J7y715wcdF7d1+bbamuOl8cX7UOaj/N/4FjaxnSdgx+ACR5leZlN:U25k5XdNv+boOlTwhU8nSA+A+er

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

  • 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.

  • 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 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\801fb085b2034c2da6a22f7ed8d86ae6e7195b09d63c195a2b04a55b7a40f97f.exe
    "C:\Users\Admin\AppData\Local\Temp\801fb085b2034c2da6a22f7ed8d86ae6e7195b09d63c195a2b04a55b7a40f97f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1772
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uwJTBIAB.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2908
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uwJTBIAB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3DCB.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2152
    • C:\Users\Admin\AppData\Local\Temp\801fb085b2034c2da6a22f7ed8d86ae6e7195b09d63c195a2b04a55b7a40f97f.exe
      "C:\Users\Admin\AppData\Local\Temp\801fb085b2034c2da6a22f7ed8d86ae6e7195b09d63c195a2b04a55b7a40f97f.exe"
      2⤵
        PID:2708
      • C:\Users\Admin\AppData\Local\Temp\801fb085b2034c2da6a22f7ed8d86ae6e7195b09d63c195a2b04a55b7a40f97f.exe
        "C:\Users\Admin\AppData\Local\Temp\801fb085b2034c2da6a22f7ed8d86ae6e7195b09d63c195a2b04a55b7a40f97f.exe"
        2⤵
          PID:2104
        • C:\Users\Admin\AppData\Local\Temp\801fb085b2034c2da6a22f7ed8d86ae6e7195b09d63c195a2b04a55b7a40f97f.exe
          "C:\Users\Admin\AppData\Local\Temp\801fb085b2034c2da6a22f7ed8d86ae6e7195b09d63c195a2b04a55b7a40f97f.exe"
          2⤵
            PID:3036
          • C:\Users\Admin\AppData\Local\Temp\801fb085b2034c2da6a22f7ed8d86ae6e7195b09d63c195a2b04a55b7a40f97f.exe
            "C:\Users\Admin\AppData\Local\Temp\801fb085b2034c2da6a22f7ed8d86ae6e7195b09d63c195a2b04a55b7a40f97f.exe"
            2⤵
              PID:2676
            • C:\Users\Admin\AppData\Local\Temp\801fb085b2034c2da6a22f7ed8d86ae6e7195b09d63c195a2b04a55b7a40f97f.exe
              "C:\Users\Admin\AppData\Local\Temp\801fb085b2034c2da6a22f7ed8d86ae6e7195b09d63c195a2b04a55b7a40f97f.exe"
              2⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2732

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\tmp3DCB.tmp

            Filesize

            1KB

            MD5

            148d7cbaf6b7a306cc05ad52884d830b

            SHA1

            94247ed1e8f1f3a64e19f3fc0bba0958c03ceb11

            SHA256

            2726469aa3c63c56958d11624710c54727f950f05da7473973fa50f506da198d

            SHA512

            a3d3ab5c6c9ea3d8ff5004781b0470be5a5d12920cb071daf1394f88d71334de72f40bfe6fac973a299dc8a23967016f8aee74d71af19005a88598b1aff54d36

          • memory/1772-0-0x0000000074A9E000-0x0000000074A9F000-memory.dmp

            Filesize

            4KB

          • memory/1772-1-0x0000000000140000-0x0000000000202000-memory.dmp

            Filesize

            776KB

          • memory/1772-2-0x0000000074A90000-0x000000007517E000-memory.dmp

            Filesize

            6.9MB

          • memory/1772-3-0x0000000000480000-0x00000000004A2000-memory.dmp

            Filesize

            136KB

          • memory/1772-4-0x0000000000590000-0x00000000005A0000-memory.dmp

            Filesize

            64KB

          • memory/1772-5-0x0000000004E40000-0x0000000004EC2000-memory.dmp

            Filesize

            520KB

          • memory/1772-26-0x0000000074A90000-0x000000007517E000-memory.dmp

            Filesize

            6.9MB

          • memory/2732-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/2732-22-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2732-25-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2732-19-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2732-17-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2732-23-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2732-15-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2732-13-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB