Analysis

  • max time kernel
    149s
  • max time network
    165s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    24/04/2026, 04:40

General

  • Target
    99bf83bab6b3fa1205eb86a8c9ed9332a006fe63ff6d263847de7d53ee932de3.exe
  • Size 912KB
  • Sample260424-faxcpse18t
  • SHA256 99bf83bab6b3fa1205eb86a8c9ed9332a006fe63ff6d263847de7d53ee932de3
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.transotraval.cl

  • Port

    21

  • Password

    vIZ2P]dt&a!d

Signatures

  • Family: AgentTesla

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

  • 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 1 IoCs

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

  • SmartAssembly .NET packer 1 IoCs

    Detects SmartAssembly .NET packer.

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\99bf83bab6b3fa1205eb86a8c9ed9332a006fe63ff6d263847de7d53ee932de3.exe
    "C:\Users\Admin\AppData\Local\Temp\99bf83bab6b3fa1205eb86a8c9ed9332a006fe63ff6d263847de7d53ee932de3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3300
    • C:\Users\Admin\AppData\Local\Temp\99bf83bab6b3fa1205eb86a8c9ed9332a006fe63ff6d263847de7d53ee932de3.exe
      "C:\Users\Admin\AppData\Local\Temp\99bf83bab6b3fa1205eb86a8c9ed9332a006fe63ff6d263847de7d53ee932de3.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5208

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        99bf83bab6b3fa1205eb86a8c9ed9332a006fe63ff6d263847de7d53ee932de3.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\99bf83bab6b3fa1205eb86a8c9ed9332a006fe63ff6d263847de7d53ee932de3.exe.log
        • Size 1KB
        • SHA256 4c17576f64dea465c45a50573ee41771f7be9962ab2d07f961af4df5589bdcce
        • MD5 SHA1 SHA512 TLSH

        memory/3300-6-0x0000000005680000-0x0000000005692000-memory.dmp

        memory/3300-16-0x0000000005410000-0x00000000054D1000-memory.dmp

        memory/3300-3-0x0000000005340000-0x0000000005350000-memory.dmp

        memory/3300-4-0x0000000005320000-0x000000000532A000-memory.dmp

        memory/3300-5-0x00000000056A0000-0x000000000573C000-memory.dmp

        memory/3300-0-0x0000000000790000-0x000000000087A000-memory.dmp

        memory/3300-7-0x00000000011E0000-0x00000000011FA000-memory.dmp

        memory/3300-8-0x0000000001320000-0x0000000001432000-memory.dmp

        memory/3300-9-0x0000000005410000-0x00000000054D1000-memory.dmp

        memory/3300-10-0x0000000006FC0000-0x0000000007096000-memory.dmp

        memory/3300-15-0x0000000001320000-0x0000000001432000-memory.dmp

        memory/3300-1-0x0000000005920000-0x0000000005EC6000-memory.dmp

        memory/3300-2-0x0000000005370000-0x0000000005402000-memory.dmp

        memory/5208-30-0x0000000005E30000-0x0000000005E4E000-memory.dmp

        memory/5208-22-0x0000000005E50000-0x0000000005E5E000-memory.dmp

        memory/5208-18-0x0000000005E60000-0x0000000005EC6000-memory.dmp

        memory/5208-20-0x0000000005E30000-0x0000000005E4E000-memory.dmp

        memory/5208-19-0x0000000001A50000-0x0000000001B62000-memory.dmp

        memory/5208-17-0x0000000005C40000-0x0000000005C50000-memory.dmp

        memory/5208-23-0x0000000005C40000-0x0000000005C50000-memory.dmp

        memory/5208-21-0x0000000006900000-0x0000000006967000-memory.dmp

        memory/5208-28-0x00000000072B0000-0x0000000007300000-memory.dmp

        memory/5208-11-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/5208-32-0x0000000005E50000-0x0000000005E5E000-memory.dmp

        memory/5208-45-0x0000000001A50000-0x0000000001B62000-memory.dmp

        memory/5208-53-0x0000000001A50000-0x0000000001B62000-memory.dmp