Analysis

  • max time kernel
    92s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 01:20

General

  • Target

    3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe

  • Size

    670KB

  • MD5

    784ba798f9aa395a8ed0cd2d1e557320

  • SHA1

    d368d6b2507f3523702b855a19f0b6eb8380320b

  • SHA256

    3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6

  • SHA512

    9c806128da404126fccdce4e26e087d4121c80cdc7e23d29b5fe1dfa068a9e1dcad91d7f36c6c62885ba676d88e63c39906bf7babc4ce15994a4891770ba208b

  • SSDEEP

    12288:yfz4TLzf3S3WNDTOlZhMAKA/9hdW3GTTdxfCu5SY3+Uln+MymlyblNQbf:2z4TLzf3OWZiVMAz/9PWmTuuY/zmlyhS

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.adgumrukmusavirligi.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    GizCvk2019!.

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • 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 6 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\3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe
    "C:\Users\Admin\AppData\Local\Temp\3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4852
    • 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\3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2132
    • C:\Users\Admin\AppData\Local\Temp\3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe
      "C:\Users\Admin\AppData\Local\Temp\3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4136

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ccriulqc.mje.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2132-52-0x0000000007B70000-0x00000000081EA000-memory.dmp

    Filesize

    6.5MB

  • memory/2132-18-0x0000000002940000-0x0000000002976000-memory.dmp

    Filesize

    216KB

  • memory/2132-50-0x0000000007230000-0x00000000072D3000-memory.dmp

    Filesize

    652KB

  • memory/2132-63-0x00000000751D0000-0x0000000075980000-memory.dmp

    Filesize

    7.7MB

  • memory/2132-60-0x0000000007850000-0x0000000007858000-memory.dmp

    Filesize

    32KB

  • memory/2132-59-0x0000000007870000-0x000000000788A000-memory.dmp

    Filesize

    104KB

  • memory/2132-58-0x0000000007770000-0x0000000007784000-memory.dmp

    Filesize

    80KB

  • memory/2132-23-0x0000000005230000-0x0000000005252000-memory.dmp

    Filesize

    136KB

  • memory/2132-57-0x0000000007760000-0x000000000776E000-memory.dmp

    Filesize

    56KB

  • memory/2132-39-0x0000000070E30000-0x0000000070E7C000-memory.dmp

    Filesize

    304KB

  • memory/2132-56-0x0000000007730000-0x0000000007741000-memory.dmp

    Filesize

    68KB

  • memory/2132-55-0x00000000077B0000-0x0000000007846000-memory.dmp

    Filesize

    600KB

  • memory/2132-24-0x0000000005A20000-0x0000000005A86000-memory.dmp

    Filesize

    408KB

  • memory/2132-49-0x0000000006810000-0x000000000682E000-memory.dmp

    Filesize

    120KB

  • memory/2132-38-0x00000000067D0000-0x0000000006802000-memory.dmp

    Filesize

    200KB

  • memory/2132-36-0x00000000062E0000-0x000000000632C000-memory.dmp

    Filesize

    304KB

  • memory/2132-19-0x00000000751D0000-0x0000000075980000-memory.dmp

    Filesize

    7.7MB

  • memory/2132-21-0x0000000005380000-0x00000000059A8000-memory.dmp

    Filesize

    6.2MB

  • memory/2132-20-0x00000000751D0000-0x0000000075980000-memory.dmp

    Filesize

    7.7MB

  • memory/2132-22-0x00000000751D0000-0x0000000075980000-memory.dmp

    Filesize

    7.7MB

  • memory/2132-35-0x0000000006200000-0x000000000621E000-memory.dmp

    Filesize

    120KB

  • memory/2132-54-0x00000000075A0000-0x00000000075AA000-memory.dmp

    Filesize

    40KB

  • memory/2132-53-0x0000000007530000-0x000000000754A000-memory.dmp

    Filesize

    104KB

  • memory/2132-34-0x0000000005CF0000-0x0000000006044000-memory.dmp

    Filesize

    3.3MB

  • memory/4136-15-0x00000000751D0000-0x0000000075980000-memory.dmp

    Filesize

    7.7MB

  • memory/4136-51-0x0000000006020000-0x0000000006070000-memory.dmp

    Filesize

    320KB

  • memory/4136-17-0x00000000051A0000-0x0000000005206000-memory.dmp

    Filesize

    408KB

  • memory/4136-16-0x00000000751D0000-0x0000000075980000-memory.dmp

    Filesize

    7.7MB

  • memory/4136-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4136-64-0x00000000751D0000-0x0000000075980000-memory.dmp

    Filesize

    7.7MB

  • memory/4852-9-0x0000000006D70000-0x0000000006DF2000-memory.dmp

    Filesize

    520KB

  • memory/4852-0-0x00000000751DE000-0x00000000751DF000-memory.dmp

    Filesize

    4KB

  • memory/4852-4-0x0000000005320000-0x000000000532A000-memory.dmp

    Filesize

    40KB

  • memory/4852-3-0x0000000005370000-0x0000000005402000-memory.dmp

    Filesize

    584KB

  • memory/4852-14-0x00000000751D0000-0x0000000075980000-memory.dmp

    Filesize

    7.7MB

  • memory/4852-2-0x0000000005920000-0x0000000005EC4000-memory.dmp

    Filesize

    5.6MB

  • memory/4852-10-0x00000000093E0000-0x000000000947C000-memory.dmp

    Filesize

    624KB

  • memory/4852-8-0x0000000006A10000-0x0000000006A20000-memory.dmp

    Filesize

    64KB

  • memory/4852-7-0x00000000069F0000-0x0000000006A0A000-memory.dmp

    Filesize

    104KB

  • memory/4852-6-0x0000000006940000-0x00000000069E2000-memory.dmp

    Filesize

    648KB

  • memory/4852-5-0x00000000751D0000-0x0000000075980000-memory.dmp

    Filesize

    7.7MB

  • memory/4852-1-0x00000000009B0000-0x0000000000A5E000-memory.dmp

    Filesize

    696KB