Analysis

  • max time kernel
    127s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-01-2025 01:26

General

  • Target

    Ref#5020603.exe

  • Size

    90KB

  • MD5

    86c4665e9033264cfb274de6dcf41b8e

  • SHA1

    48e09ccb43d4e0712ddf45176c4b88e709d6c64b

  • SHA256

    a25c656814b9f668be9237883c397b60416fac6c5c81c12f11ee3bb41b87bc07

  • SHA512

    44495a8e28a64f5cd9588d54c792c28e243995f5cbcceeb3ec17a1a1ee1cf6cb5f67a8fdf9c616468d8804dfc8ecd52591482c10897fb19778c8a255c47e514e

  • SSDEEP

    1536:HZH/yUQ3X0CTU9PhlEBCVN9Wlv4IgGuqaRRz6yIARcDIBkiInv/mq:Ht/yUQ3ECTUZLEBCVN9Wlv4I9yRWyI8W

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Agenttesla family
  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Drops startup file 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
  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3512
      • C:\Users\Admin\AppData\Local\Temp\Ref#5020603.exe
        "C:\Users\Admin\AppData\Local\Temp\Ref#5020603.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops startup file
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:384
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4676

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/384-0-0x0000000074CFE000-0x0000000074CFF000-memory.dmp

      Filesize

      4KB

    • memory/384-1-0x0000000000830000-0x000000000084A000-memory.dmp

      Filesize

      104KB

    • memory/384-2-0x00000000051C0000-0x00000000051C6000-memory.dmp

      Filesize

      24KB

    • memory/384-3-0x0000000074CF0000-0x00000000754A0000-memory.dmp

      Filesize

      7.7MB

    • memory/384-4-0x0000000074CFE000-0x0000000074CFF000-memory.dmp

      Filesize

      4KB

    • memory/384-5-0x0000000074CF0000-0x00000000754A0000-memory.dmp

      Filesize

      7.7MB

    • memory/384-6-0x00000000060C0000-0x00000000061D2000-memory.dmp

      Filesize

      1.1MB

    • memory/384-30-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-34-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-62-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-70-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-68-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-66-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-64-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-60-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-58-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-56-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-54-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-53-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-48-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-46-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-44-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-42-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-40-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-50-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-38-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-36-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-32-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-28-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-26-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-24-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-23-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-18-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-16-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-14-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-12-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-10-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-8-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-20-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-7-0x00000000060C0000-0x00000000061CC000-memory.dmp

      Filesize

      1.0MB

    • memory/384-1329-0x0000000074CF0000-0x00000000754A0000-memory.dmp

      Filesize

      7.7MB

    • memory/384-1330-0x0000000005A40000-0x0000000005AAC000-memory.dmp

      Filesize

      432KB

    • memory/384-1331-0x0000000005AB0000-0x0000000005B1A000-memory.dmp

      Filesize

      424KB

    • memory/384-1332-0x0000000005C70000-0x0000000005CBC000-memory.dmp

      Filesize

      304KB

    • memory/384-1333-0x0000000006DD0000-0x0000000007374000-memory.dmp

      Filesize

      5.6MB

    • memory/384-1334-0x0000000006620000-0x0000000006674000-memory.dmp

      Filesize

      336KB

    • memory/384-1339-0x0000000074CF0000-0x00000000754A0000-memory.dmp

      Filesize

      7.7MB

    • memory/384-1343-0x0000000074CF0000-0x00000000754A0000-memory.dmp

      Filesize

      7.7MB

    • memory/384-1342-0x0000000074CF0000-0x00000000754A0000-memory.dmp

      Filesize

      7.7MB

    • memory/384-1346-0x0000000074CF0000-0x00000000754A0000-memory.dmp

      Filesize

      7.7MB

    • memory/384-1345-0x0000000074CF0000-0x00000000754A0000-memory.dmp

      Filesize

      7.7MB

    • memory/4676-1347-0x0000000074CF0000-0x00000000754A0000-memory.dmp

      Filesize

      7.7MB

    • memory/4676-1348-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/4676-1350-0x0000000005580000-0x00000000055E6000-memory.dmp

      Filesize

      408KB

    • memory/4676-1349-0x0000000074CF0000-0x00000000754A0000-memory.dmp

      Filesize

      7.7MB

    • memory/4676-1351-0x00000000069D0000-0x0000000006A20000-memory.dmp

      Filesize

      320KB

    • memory/4676-1352-0x0000000006AC0000-0x0000000006B52000-memory.dmp

      Filesize

      584KB

    • memory/4676-1353-0x0000000006A40000-0x0000000006A4A000-memory.dmp

      Filesize

      40KB

    • memory/4676-1354-0x0000000074CF0000-0x00000000754A0000-memory.dmp

      Filesize

      7.7MB