Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-01-2025 14:10

General

  • Target

    97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe

  • Size

    868KB

  • MD5

    2327e5c20b3cce0be582dbe461480cc2

  • SHA1

    42d14ae8b60e22f36f487d8c3bee1ad43199170f

  • SHA256

    97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1

  • SHA512

    01f3c2ee422ccb7db9acbedc078d0d485508443de3366959df5ab9c4cd5eb67ee5d0dca29ee45c9a09a1adc8509e6bd4b28bdfc325c2310091e960338273009e

  • SSDEEP

    24576:zBXaePxOLRTgnZZSS+5VKGIUuZfEfCk7nXFGxR3X3N:9XaePxOLJgnZ0SQVKGSYCGYxRH3N

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.ercolina-usa.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    nXe0M~WkW&nJ

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.ercolina-usa.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    nXe0M~WkW&nJ

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe
    "C:\Users\Admin\AppData\Local\Temp\97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.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:1388
    • 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\97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2948
    • C:\Users\Admin\AppData\Local\Temp\97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe
      "C:\Users\Admin\AppData\Local\Temp\97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe"
      2⤵
        PID:800
      • C:\Users\Admin\AppData\Local\Temp\97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe
        "C:\Users\Admin\AppData\Local\Temp\97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe"
        2⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4232

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5ghxric4.1hr.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1388-6-0x00000000050C0000-0x000000000515C000-memory.dmp

      Filesize

      624KB

    • memory/1388-3-0x0000000004DB0000-0x0000000004E42000-memory.dmp

      Filesize

      584KB

    • memory/1388-4-0x0000000004E70000-0x0000000004E7A000-memory.dmp

      Filesize

      40KB

    • memory/1388-5-0x0000000075160000-0x0000000075910000-memory.dmp

      Filesize

      7.7MB

    • memory/1388-2-0x00000000052B0000-0x0000000005854000-memory.dmp

      Filesize

      5.6MB

    • memory/1388-7-0x0000000005260000-0x0000000005278000-memory.dmp

      Filesize

      96KB

    • memory/1388-8-0x000000007516E000-0x000000007516F000-memory.dmp

      Filesize

      4KB

    • memory/1388-9-0x0000000075160000-0x0000000075910000-memory.dmp

      Filesize

      7.7MB

    • memory/1388-10-0x0000000006530000-0x00000000065B8000-memory.dmp

      Filesize

      544KB

    • memory/1388-0-0x000000007516E000-0x000000007516F000-memory.dmp

      Filesize

      4KB

    • memory/1388-1-0x0000000000300000-0x00000000003DE000-memory.dmp

      Filesize

      888KB

    • memory/1388-14-0x0000000075160000-0x0000000075910000-memory.dmp

      Filesize

      7.7MB

    • memory/2948-51-0x0000000007180000-0x000000000719A000-memory.dmp

      Filesize

      104KB

    • memory/2948-38-0x0000000070DE0000-0x0000000070E2C000-memory.dmp

      Filesize

      304KB

    • memory/2948-18-0x0000000004840000-0x0000000004876000-memory.dmp

      Filesize

      216KB

    • memory/2948-19-0x0000000075160000-0x0000000075910000-memory.dmp

      Filesize

      7.7MB

    • memory/2948-64-0x0000000075160000-0x0000000075910000-memory.dmp

      Filesize

      7.7MB

    • memory/2948-21-0x0000000005000000-0x0000000005628000-memory.dmp

      Filesize

      6.2MB

    • memory/2948-20-0x0000000075160000-0x0000000075910000-memory.dmp

      Filesize

      7.7MB

    • memory/2948-23-0x0000000005630000-0x0000000005696000-memory.dmp

      Filesize

      408KB

    • memory/2948-22-0x0000000004E30000-0x0000000004E52000-memory.dmp

      Filesize

      136KB

    • memory/2948-25-0x0000000075160000-0x0000000075910000-memory.dmp

      Filesize

      7.7MB

    • memory/2948-24-0x00000000057D0000-0x0000000005B24000-memory.dmp

      Filesize

      3.3MB

    • memory/2948-61-0x00000000074A0000-0x00000000074A8000-memory.dmp

      Filesize

      32KB

    • memory/2948-35-0x0000000005DE0000-0x0000000005DFE000-memory.dmp

      Filesize

      120KB

    • memory/2948-36-0x0000000006240000-0x000000000628C000-memory.dmp

      Filesize

      304KB

    • memory/2948-37-0x00000000063A0000-0x00000000063D2000-memory.dmp

      Filesize

      200KB

    • memory/2948-60-0x00000000074C0000-0x00000000074DA000-memory.dmp

      Filesize

      104KB

    • memory/2948-48-0x0000000006380000-0x000000000639E000-memory.dmp

      Filesize

      120KB

    • memory/2948-49-0x0000000006DD0000-0x0000000006E73000-memory.dmp

      Filesize

      652KB

    • memory/2948-50-0x00000000077D0000-0x0000000007E4A000-memory.dmp

      Filesize

      6.5MB

    • memory/2948-58-0x00000000073C0000-0x00000000073D4000-memory.dmp

      Filesize

      80KB

    • memory/2948-54-0x0000000007200000-0x000000000720A000-memory.dmp

      Filesize

      40KB

    • memory/2948-55-0x0000000007400000-0x0000000007496000-memory.dmp

      Filesize

      600KB

    • memory/2948-56-0x0000000007380000-0x0000000007391000-memory.dmp

      Filesize

      68KB

    • memory/2948-57-0x00000000073B0000-0x00000000073BE000-memory.dmp

      Filesize

      56KB

    • memory/4232-11-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/4232-59-0x0000000006B40000-0x0000000006B90000-memory.dmp

      Filesize

      320KB

    • memory/4232-17-0x0000000075160000-0x0000000075910000-memory.dmp

      Filesize

      7.7MB

    • memory/4232-15-0x0000000075160000-0x0000000075910000-memory.dmp

      Filesize

      7.7MB

    • memory/4232-16-0x0000000005650000-0x00000000056B6000-memory.dmp

      Filesize

      408KB

    • memory/4232-65-0x0000000075160000-0x0000000075910000-memory.dmp

      Filesize

      7.7MB