Resubmissions

16-02-2024 14:49

240216-r63p5scg33 10

16-02-2024 14:21

240216-rnzkrsbh8v 10

Analysis

  • max time kernel
    143s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-02-2024 14:21

General

  • Target

    EWW.exe

  • Size

    920KB

  • MD5

    8077b3e5a20f5d489fa82982140733ab

  • SHA1

    52a097dfa8e24b4ab52c9cae829df1b38ecc4e84

  • SHA256

    67362222dc4dae93f62f984771afb1b9d319ea23335bd4bb4e941f5e1248edc2

  • SHA512

    580c5888489d575fcc1e4e0a802ee125e9036761436ed1b58ae9e51e0e6bc5e025a892328cda12530b5343f8ace9bdba967bdeaca982190d3ad39fc0bad0d6e2

  • SSDEEP

    24576:pRmJkcoQricOIQxiZY1iaM/U48ni1dq6ReVbi4:mJZoQrbTFZY1iaM/vuWdq6O

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 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
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\EWW.exe
    "C:\Users\Admin\AppData\Local\Temp\EWW.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:680
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\EWW.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/680-10-0x0000000003380000-0x0000000003384000-memory.dmp

    Filesize

    16KB

  • memory/4580-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4580-12-0x0000000074D10000-0x00000000754C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4580-13-0x0000000005A60000-0x0000000006004000-memory.dmp

    Filesize

    5.6MB

  • memory/4580-14-0x0000000005400000-0x0000000005410000-memory.dmp

    Filesize

    64KB

  • memory/4580-15-0x0000000005410000-0x0000000005476000-memory.dmp

    Filesize

    408KB

  • memory/4580-16-0x0000000006AB0000-0x0000000006B00000-memory.dmp

    Filesize

    320KB

  • memory/4580-17-0x0000000006BA0000-0x0000000006C32000-memory.dmp

    Filesize

    584KB

  • memory/4580-18-0x0000000006B20000-0x0000000006B2A000-memory.dmp

    Filesize

    40KB

  • memory/4580-19-0x0000000074D10000-0x00000000754C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4580-20-0x0000000005400000-0x0000000005410000-memory.dmp

    Filesize

    64KB