Analysis

  • max time kernel
    147s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-03-2024 06:17

General

  • Target

    e0f74804335cf2b5cd297bbd0ba8fceb.exe

  • Size

    1.3MB

  • MD5

    e0f74804335cf2b5cd297bbd0ba8fceb

  • SHA1

    0d424c3f4e248851eca752b6af1e216a1d55cf6e

  • SHA256

    9110e87e7688be659861a7f9ca8f4aecd1906ef550b9b0864bf5560613c1d5e9

  • SHA512

    6f03f89abaa79d9363811f2bf53c1bc23776b334c12e80f22d928783fc89afb6c3de3003c92bb786153b4996b2ecdae467e8239984419d74ce5a6aa3eb0f4506

  • SSDEEP

    24576:Q/OsBgo0q4wMuBmCmTOUd+L6khXWCX9U96RAtBjLmKXpxpudZeGu9:Q2oHMSmCm6Ud+zhXxtU0Reimdu2

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • CustAttr .NET packer 1 IoCs

    Detects CustAttr .NET packer in memory.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e0f74804335cf2b5cd297bbd0ba8fceb.exe
    "C:\Users\Admin\AppData\Local\Temp\e0f74804335cf2b5cd297bbd0ba8fceb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4012
    • C:\Users\Admin\AppData\Local\Temp\e0f74804335cf2b5cd297bbd0ba8fceb.exe
      "C:\Users\Admin\AppData\Local\Temp\e0f74804335cf2b5cd297bbd0ba8fceb.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2356
  • 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=4164 --field-trial-handle=2132,i,4018525042804461719,1997165676266557055,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1272

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\e0f74804335cf2b5cd297bbd0ba8fceb.exe.log
      Filesize

      1KB

      MD5

      17573558c4e714f606f997e5157afaac

      SHA1

      13e16e9415ceef429aaf124139671ebeca09ed23

      SHA256

      c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

      SHA512

      f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

    • memory/2356-13-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2356-23-0x0000000006CA0000-0x0000000006CF0000-memory.dmp
      Filesize

      320KB

    • memory/2356-22-0x0000000001EA0000-0x0000000001EB0000-memory.dmp
      Filesize

      64KB

    • memory/2356-21-0x0000000075240000-0x00000000759F0000-memory.dmp
      Filesize

      7.7MB

    • memory/2356-20-0x0000000006620000-0x0000000006686000-memory.dmp
      Filesize

      408KB

    • memory/2356-19-0x0000000005850000-0x0000000005868000-memory.dmp
      Filesize

      96KB

    • memory/2356-17-0x0000000001EA0000-0x0000000001EB0000-memory.dmp
      Filesize

      64KB

    • memory/2356-16-0x0000000075240000-0x00000000759F0000-memory.dmp
      Filesize

      7.7MB

    • memory/4012-5-0x0000000005A30000-0x0000000005A40000-memory.dmp
      Filesize

      64KB

    • memory/4012-6-0x00000000057C0000-0x00000000057CA000-memory.dmp
      Filesize

      40KB

    • memory/4012-11-0x00000000072C0000-0x000000000734A000-memory.dmp
      Filesize

      552KB

    • memory/4012-12-0x0000000007350000-0x0000000007392000-memory.dmp
      Filesize

      264KB

    • memory/4012-9-0x0000000075240000-0x00000000759F0000-memory.dmp
      Filesize

      7.7MB

    • memory/4012-8-0x0000000005A50000-0x0000000005A62000-memory.dmp
      Filesize

      72KB

    • memory/4012-7-0x0000000005AA0000-0x0000000005AF6000-memory.dmp
      Filesize

      344KB

    • memory/4012-10-0x0000000005A30000-0x0000000005A40000-memory.dmp
      Filesize

      64KB

    • memory/4012-18-0x0000000075240000-0x00000000759F0000-memory.dmp
      Filesize

      7.7MB

    • memory/4012-0-0x0000000075240000-0x00000000759F0000-memory.dmp
      Filesize

      7.7MB

    • memory/4012-4-0x0000000005880000-0x0000000005912000-memory.dmp
      Filesize

      584KB

    • memory/4012-3-0x0000000005E30000-0x00000000063D4000-memory.dmp
      Filesize

      5.6MB

    • memory/4012-2-0x00000000057E0000-0x000000000587C000-memory.dmp
      Filesize

      624KB

    • memory/4012-1-0x0000000000C90000-0x0000000000DDE000-memory.dmp
      Filesize

      1.3MB