Analysis

  • max time kernel
    125s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-10-2024 00:14

General

  • Target

    veems.exe

  • Size

    1.1MB

  • MD5

    edf46dbf4604538e8960afea7aabcaf3

  • SHA1

    97c0968be1c80de8aedc94029e7b7ec1cf509b62

  • SHA256

    abfb108ffb2021d7851e2908a6ebf23b507aa2cbf36628f9f30b9eada587de96

  • SHA512

    8149edb19759f3a86fbdd0be8732402544b4bbe8edb43e1ed9672c01be476e08052e6afee51403173e25b5a0902c19503dc11bdf031b7d66a88825e64f9ded39

  • SSDEEP

    12288:ALkcoxg7v3qnC11ErwIhh0F4qwUgUny5Qb1egC3ExjqtbfwJDjrbGfDdR83dIk/S:WfmMv6Ckr7Mny5Qb11C3ExGfM7KRQWkq

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 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 behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\veems.exe
    "C:\Users\Admin\AppData\Local\Temp\veems.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3484
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\veems.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4500
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3484 -s 744
      2⤵
      • Program crash
      PID:4820
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3484 -ip 3484
    1⤵
      PID:2880
    • 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 --field-trial-handle=4308,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=4172 /prefetch:8
      1⤵
        PID:4640

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3484-2-0x0000000004300000-0x0000000004500000-memory.dmp

        Filesize

        2.0MB

      • memory/4500-3-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/4500-4-0x0000000073C9E000-0x0000000073C9F000-memory.dmp

        Filesize

        4KB

      • memory/4500-5-0x00000000056F0000-0x0000000005C94000-memory.dmp

        Filesize

        5.6MB

      • memory/4500-6-0x0000000005290000-0x00000000052F6000-memory.dmp

        Filesize

        408KB

      • memory/4500-7-0x0000000073C90000-0x0000000074440000-memory.dmp

        Filesize

        7.7MB

      • memory/4500-8-0x0000000006140000-0x0000000006190000-memory.dmp

        Filesize

        320KB

      • memory/4500-9-0x0000000006230000-0x00000000062C2000-memory.dmp

        Filesize

        584KB

      • memory/4500-10-0x00000000063D0000-0x00000000063DA000-memory.dmp

        Filesize

        40KB

      • memory/4500-11-0x0000000073C9E000-0x0000000073C9F000-memory.dmp

        Filesize

        4KB

      • memory/4500-12-0x0000000073C90000-0x0000000074440000-memory.dmp

        Filesize

        7.7MB