Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/05/2024, 18:34

General

  • Target

    YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe

  • Size

    697KB

  • MD5

    9e2e47c1b220b368cbf9720d362fea80

  • SHA1

    c7db8c532ef25249c377c3e22197ca8f3df0f342

  • SHA256

    3713a53f5b24fd88d75534391e13d6883666805647e7ef4c79f8ab94e9083f4d

  • SHA512

    a50ee498115cd55138f4fe834a4e25bec317c03fb9abb3c85f2e5b0c5cc47a132abaa8790bbd87d1c3b3cde326517d2bb31103936855f0f6056940a1d9a09816

  • SSDEEP

    12288:GdrLbDZaNRpm9w2cqnJ6F/i87C82GFgW20BynVg1tXSuJSRZJyP3Oa++ljR2FjJ1:ILDZMRpm9Q/FaO2RT0QWW/weqSjpeZnc

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.saralgumruk.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Srl--789789_

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe
    "C:\Users\Admin\AppData\Local\Temp\YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2652
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1092
    • C:\Users\Admin\AppData\Local\Temp\YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe
      "C:\Users\Admin\AppData\Local\Temp\YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1056

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nqwzkmgk.c0c.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/1056-11-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/1056-63-0x0000000074E40000-0x00000000755F0000-memory.dmp

          Filesize

          7.7MB

        • memory/1056-37-0x0000000006960000-0x00000000069B0000-memory.dmp

          Filesize

          320KB

        • memory/1056-16-0x0000000005AA0000-0x0000000005B06000-memory.dmp

          Filesize

          408KB

        • memory/1056-15-0x0000000074E40000-0x00000000755F0000-memory.dmp

          Filesize

          7.7MB

        • memory/1056-13-0x0000000074E40000-0x00000000755F0000-memory.dmp

          Filesize

          7.7MB

        • memory/1092-49-0x0000000006410000-0x000000000642E000-memory.dmp

          Filesize

          120KB

        • memory/1092-33-0x0000000005860000-0x0000000005BB4000-memory.dmp

          Filesize

          3.3MB

        • memory/1092-62-0x0000000074E40000-0x00000000755F0000-memory.dmp

          Filesize

          7.7MB

        • memory/1092-59-0x0000000007460000-0x0000000007468000-memory.dmp

          Filesize

          32KB

        • memory/1092-58-0x0000000007480000-0x000000000749A000-memory.dmp

          Filesize

          104KB

        • memory/1092-57-0x0000000007380000-0x0000000007394000-memory.dmp

          Filesize

          80KB

        • memory/1092-56-0x0000000007370000-0x000000000737E000-memory.dmp

          Filesize

          56KB

        • memory/1092-55-0x0000000007340000-0x0000000007351000-memory.dmp

          Filesize

          68KB

        • memory/1092-54-0x00000000073C0000-0x0000000007456000-memory.dmp

          Filesize

          600KB

        • memory/1092-17-0x00000000024F0000-0x0000000002526000-memory.dmp

          Filesize

          216KB

        • memory/1092-19-0x0000000074E40000-0x00000000755F0000-memory.dmp

          Filesize

          7.7MB

        • memory/1092-18-0x00000000050B0000-0x00000000056D8000-memory.dmp

          Filesize

          6.2MB

        • memory/1092-20-0x0000000074E40000-0x00000000755F0000-memory.dmp

          Filesize

          7.7MB

        • memory/1092-22-0x0000000005780000-0x00000000057E6000-memory.dmp

          Filesize

          408KB

        • memory/1092-21-0x00000000056E0000-0x0000000005702000-memory.dmp

          Filesize

          136KB

        • memory/1092-23-0x0000000074E40000-0x00000000755F0000-memory.dmp

          Filesize

          7.7MB

        • memory/1092-53-0x00000000071B0000-0x00000000071BA000-memory.dmp

          Filesize

          40KB

        • memory/1092-52-0x0000000007140000-0x000000000715A000-memory.dmp

          Filesize

          104KB

        • memory/1092-35-0x0000000005E10000-0x0000000005E2E000-memory.dmp

          Filesize

          120KB

        • memory/1092-36-0x0000000005E50000-0x0000000005E9C000-memory.dmp

          Filesize

          304KB

        • memory/1092-51-0x0000000007790000-0x0000000007E0A000-memory.dmp

          Filesize

          6.5MB

        • memory/1092-38-0x00000000063D0000-0x0000000006402000-memory.dmp

          Filesize

          200KB

        • memory/1092-39-0x0000000070920000-0x000000007096C000-memory.dmp

          Filesize

          304KB

        • memory/1092-50-0x0000000007060000-0x0000000007103000-memory.dmp

          Filesize

          652KB

        • memory/2652-0-0x0000000074E4E000-0x0000000074E4F000-memory.dmp

          Filesize

          4KB

        • memory/2652-2-0x0000000005DB0000-0x0000000006354000-memory.dmp

          Filesize

          5.6MB

        • memory/2652-8-0x0000000005B20000-0x0000000005B2C000-memory.dmp

          Filesize

          48KB

        • memory/2652-3-0x00000000058A0000-0x0000000005932000-memory.dmp

          Filesize

          584KB

        • memory/2652-4-0x0000000005950000-0x000000000595A000-memory.dmp

          Filesize

          40KB

        • memory/2652-5-0x0000000005C00000-0x0000000005C9C000-memory.dmp

          Filesize

          624KB

        • memory/2652-14-0x0000000074E40000-0x00000000755F0000-memory.dmp

          Filesize

          7.7MB

        • memory/2652-6-0x0000000074E40000-0x00000000755F0000-memory.dmp

          Filesize

          7.7MB

        • memory/2652-7-0x0000000005B00000-0x0000000005B22000-memory.dmp

          Filesize

          136KB

        • memory/2652-10-0x0000000006710000-0x0000000006792000-memory.dmp

          Filesize

          520KB

        • memory/2652-9-0x0000000003120000-0x0000000003130000-memory.dmp

          Filesize

          64KB

        • memory/2652-1-0x0000000000DF0000-0x0000000000EA4000-memory.dmp

          Filesize

          720KB