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Analysis

  • max time kernel
    144s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/03/2024, 01:05

General

  • Target

    38e575936474dbb14355248457aa106e0526b03062bea21403261eb4629675cf.exe

  • Size

    582KB

  • MD5

    1b0ab221f5e0263bc3231742801c9d14

  • SHA1

    766bad4af65ab4469fed4589a4f491157baca226

  • SHA256

    38e575936474dbb14355248457aa106e0526b03062bea21403261eb4629675cf

  • SHA512

    76cde5678d19b4efdd8b3d6502319a6f74ea4cd5ebee8f053f10fa3ed6ff222555b778b31064650c8fcb2486bf04722486729795b159d412b3181f523d44e511

  • SSDEEP

    12288:wOcywlSX8vgCCIPBS6pvqJIXZCw2ScUDco8qbiGPY07iGo/:wpo8vPB/v8IpQrRSPW

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 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\38e575936474dbb14355248457aa106e0526b03062bea21403261eb4629675cf.exe
    "C:\Users\Admin\AppData\Local\Temp\38e575936474dbb14355248457aa106e0526b03062bea21403261eb4629675cf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4660
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1128
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
      2⤵
        PID:1492
    • 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 --mojo-platform-channel-handle=3976 --field-trial-handle=2900,i,14549994492153927475,12895178890800740987,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:2556

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1128-9-0x0000000006490000-0x00000000064E0000-memory.dmp

        Filesize

        320KB

      • memory/1128-12-0x0000000074FA0000-0x0000000075750000-memory.dmp

        Filesize

        7.7MB

      • memory/1128-13-0x0000000004FF0000-0x0000000005000000-memory.dmp

        Filesize

        64KB

      • memory/1128-3-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/1128-4-0x0000000074FA0000-0x0000000075750000-memory.dmp

        Filesize

        7.7MB

      • memory/1128-5-0x0000000005600000-0x0000000005BA4000-memory.dmp

        Filesize

        5.6MB

      • memory/1128-8-0x00000000051C0000-0x0000000005226000-memory.dmp

        Filesize

        408KB

      • memory/1128-7-0x0000000004FF0000-0x0000000005000000-memory.dmp

        Filesize

        64KB

      • memory/1128-11-0x0000000006520000-0x000000000652A000-memory.dmp

        Filesize

        40KB

      • memory/1128-10-0x0000000006580000-0x0000000006612000-memory.dmp

        Filesize

        584KB

      • memory/4660-0-0x000001A0A08C0000-0x000001A0A0956000-memory.dmp

        Filesize

        600KB

      • memory/4660-1-0x00007FFE89DA0000-0x00007FFE8A861000-memory.dmp

        Filesize

        10.8MB

      • memory/4660-6-0x00007FFE89DA0000-0x00007FFE8A861000-memory.dmp

        Filesize

        10.8MB

      • memory/4660-2-0x000001A0A0D60000-0x000001A0A0D70000-memory.dmp

        Filesize

        64KB