Analysis

  • max time kernel
    125s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-07-2024 01:12

General

  • Target

    71cb5530f635f1229d43e4fe9c5bbdb04cf9053832fa006750690854a883eff2.exe

  • Size

    1.9MB

  • MD5

    85a68d401bbb5751b02fb9ca159b6eff

  • SHA1

    99b6b9e728ebc315a2ae04505de04b0f922f7cd1

  • SHA256

    71cb5530f635f1229d43e4fe9c5bbdb04cf9053832fa006750690854a883eff2

  • SHA512

    0f83dc75c47794dcaea3e8ec00f472e2b9281ece33031c9894671522f25489a446bc9c1ecc980a8ca262a7cb6cb5c3d43d22cf692a2094ec01410bca44b718df

  • SSDEEP

    49152:bOD+bTI6YTDml4HJPHDQkOBU0f9iygcrxZ3aU5Z/IrRo2ht1a1nvkJzJ:Sv85QzJ

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\71cb5530f635f1229d43e4fe9c5bbdb04cf9053832fa006750690854a883eff2.exe
    "C:\Users\Admin\AppData\Local\Temp\71cb5530f635f1229d43e4fe9c5bbdb04cf9053832fa006750690854a883eff2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3752
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
      2⤵
        PID:1580
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3240
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3240 -s 2016
          3⤵
          • Program crash
          PID:704
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3240 -ip 3240
      1⤵
        PID:1740
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4040,i,10373433614523925616,13586256558317053467,262144 --variations-seed-version --mojo-platform-channel-handle=4104 /prefetch:8
        1⤵
          PID:2864

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3240-1-0x0000000000400000-0x0000000000442000-memory.dmp
          Filesize

          264KB

        • memory/3240-2-0x0000000074ABE000-0x0000000074ABF000-memory.dmp
          Filesize

          4KB

        • memory/3240-3-0x0000000005C20000-0x00000000061C4000-memory.dmp
          Filesize

          5.6MB

        • memory/3240-4-0x00000000055E0000-0x0000000005646000-memory.dmp
          Filesize

          408KB

        • memory/3240-5-0x0000000074AB0000-0x0000000075260000-memory.dmp
          Filesize

          7.7MB

        • memory/3240-6-0x0000000074AB0000-0x0000000075260000-memory.dmp
          Filesize

          7.7MB