Analysis

  • max time kernel
    119s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 02:31

General

  • Target

    2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe

  • Size

    941KB

  • MD5

    42555dbdcc01fddb6e68265cc5704b5b

  • SHA1

    543e5153ad0bc094841e40330567ac8e9abb2d48

  • SHA256

    2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d

  • SHA512

    027029b37e79edf8f5156e6d651c5aca4608a6ccad14eac33c32a0c92b4814f43c59ae1f46fba454d21af6d5de9fcbd8f6a6b99bd4db2c7d19915adf9416107f

  • SSDEEP

    12288:I2dhHhAIqUmkY/Tz9P+okSieKdNBJrC2lZNYheNhlK:5dhBArUmxrBP+BSGdC2lQeFK

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    beirutrest.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    9yXQ39wz(uL+

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://beirutrest.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    9yXQ39wz(uL+

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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.

  • 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 3 TTPs

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

  • Looks up external IP address via web service 2 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe
    "C:\Users\Admin\AppData\Local\Temp\2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1172
    • 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\2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1204
    • C:\Users\Admin\AppData\Local\Temp\2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe
      "C:\Users\Admin\AppData\Local\Temp\2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe"
      2⤵
        PID:2280
      • C:\Users\Admin\AppData\Local\Temp\2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe
        "C:\Users\Admin\AppData\Local\Temp\2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe"
        2⤵
          PID:964
        • C:\Users\Admin\AppData\Local\Temp\2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe
          "C:\Users\Admin\AppData\Local\Temp\2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:940

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe.log

        Filesize

        1KB

        MD5

        8ec831f3e3a3f77e4a7b9cd32b48384c

        SHA1

        d83f09fd87c5bd86e045873c231c14836e76a05c

        SHA256

        7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

        SHA512

        26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2uaojbbb.dnc.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/940-11-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/940-61-0x0000000007060000-0x00000000070B0000-memory.dmp

        Filesize

        320KB

      • memory/940-18-0x0000000074BB0000-0x0000000075360000-memory.dmp

        Filesize

        7.7MB

      • memory/940-19-0x0000000005860000-0x00000000058C6000-memory.dmp

        Filesize

        408KB

      • memory/940-62-0x0000000074BB0000-0x0000000075360000-memory.dmp

        Filesize

        7.7MB

      • memory/940-63-0x0000000074BB0000-0x0000000075360000-memory.dmp

        Filesize

        7.7MB

      • memory/940-14-0x0000000074BB0000-0x0000000075360000-memory.dmp

        Filesize

        7.7MB

      • memory/1172-5-0x0000000005230000-0x000000000523A000-memory.dmp

        Filesize

        40KB

      • memory/1172-10-0x000000000AB60000-0x000000000ABFC000-memory.dmp

        Filesize

        624KB

      • memory/1172-9-0x0000000008370000-0x00000000083F6000-memory.dmp

        Filesize

        536KB

      • memory/1172-8-0x0000000074BB0000-0x0000000075360000-memory.dmp

        Filesize

        7.7MB

      • memory/1172-7-0x0000000074BBE000-0x0000000074BBF000-memory.dmp

        Filesize

        4KB

      • memory/1172-15-0x0000000074BB0000-0x0000000075360000-memory.dmp

        Filesize

        7.7MB

      • memory/1172-6-0x00000000055C0000-0x00000000055DE000-memory.dmp

        Filesize

        120KB

      • memory/1172-0-0x0000000074BBE000-0x0000000074BBF000-memory.dmp

        Filesize

        4KB

      • memory/1172-4-0x0000000074BB0000-0x0000000075360000-memory.dmp

        Filesize

        7.7MB

      • memory/1172-3-0x0000000005290000-0x0000000005322000-memory.dmp

        Filesize

        584KB

      • memory/1172-2-0x0000000005840000-0x0000000005DE4000-memory.dmp

        Filesize

        5.6MB

      • memory/1172-1-0x0000000000870000-0x0000000000962000-memory.dmp

        Filesize

        968KB

      • memory/1204-23-0x0000000004F80000-0x0000000004FE6000-memory.dmp

        Filesize

        408KB

      • memory/1204-50-0x0000000007150000-0x000000000716A000-memory.dmp

        Filesize

        104KB

      • memory/1204-21-0x0000000005060000-0x0000000005688000-memory.dmp

        Filesize

        6.2MB

      • memory/1204-33-0x0000000005870000-0x0000000005BC4000-memory.dmp

        Filesize

        3.3MB

      • memory/1204-34-0x0000000005E20000-0x0000000005E3E000-memory.dmp

        Filesize

        120KB

      • memory/1204-35-0x0000000005F00000-0x0000000005F4C000-memory.dmp

        Filesize

        304KB

      • memory/1204-36-0x00000000063F0000-0x0000000006422000-memory.dmp

        Filesize

        200KB

      • memory/1204-37-0x0000000070830000-0x000000007087C000-memory.dmp

        Filesize

        304KB

      • memory/1204-47-0x0000000006430000-0x000000000644E000-memory.dmp

        Filesize

        120KB

      • memory/1204-48-0x0000000006E30000-0x0000000006ED3000-memory.dmp

        Filesize

        652KB

      • memory/1204-49-0x0000000007790000-0x0000000007E0A000-memory.dmp

        Filesize

        6.5MB

      • memory/1204-22-0x0000000004E60000-0x0000000004E82000-memory.dmp

        Filesize

        136KB

      • memory/1204-51-0x00000000071C0000-0x00000000071CA000-memory.dmp

        Filesize

        40KB

      • memory/1204-52-0x00000000073D0000-0x0000000007466000-memory.dmp

        Filesize

        600KB

      • memory/1204-53-0x0000000007350000-0x0000000007361000-memory.dmp

        Filesize

        68KB

      • memory/1204-54-0x0000000007380000-0x000000000738E000-memory.dmp

        Filesize

        56KB

      • memory/1204-55-0x0000000007390000-0x00000000073A4000-memory.dmp

        Filesize

        80KB

      • memory/1204-56-0x0000000007490000-0x00000000074AA000-memory.dmp

        Filesize

        104KB

      • memory/1204-57-0x0000000007470000-0x0000000007478000-memory.dmp

        Filesize

        32KB

      • memory/1204-60-0x0000000074BB0000-0x0000000075360000-memory.dmp

        Filesize

        7.7MB

      • memory/1204-20-0x0000000074BB0000-0x0000000075360000-memory.dmp

        Filesize

        7.7MB

      • memory/1204-17-0x0000000074BB0000-0x0000000075360000-memory.dmp

        Filesize

        7.7MB

      • memory/1204-16-0x00000000024F0000-0x0000000002526000-memory.dmp

        Filesize

        216KB