Analysis

  • max time kernel
    94s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/04/2024, 14:31

General

  • Target

    ecc34f95e278887ec719983726b713401430220c40f13925ccd78d9917f0ac76.exe

  • Size

    632KB

  • MD5

    a5d86dac801967b4c191885b018abaab

  • SHA1

    e489472efccc4207a7711818ee83102a55ecb08f

  • SHA256

    ecc34f95e278887ec719983726b713401430220c40f13925ccd78d9917f0ac76

  • SHA512

    9019d7e166655f13ccc0dac86d3ac13c332261ce557ea06ed150bef3a728c9fac10a1c720a2759966c751c1abf4091acb937339537e86df381c0b13e5cb71f8c

  • SSDEEP

    12288:/axLvnA7H4IzJ77veFzKI8d7RwmoSO5qS1iJ8M8kYTmsViPNecN7uqNJtCVrVm6I:/ax7nA7YO3veq3zQqYi6bTmsVyN1h69O

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.elektronikkutu.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    9U:e3@wpS3:U7h_V

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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.

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ecc34f95e278887ec719983726b713401430220c40f13925ccd78d9917f0ac76.exe
    "C:\Users\Admin\AppData\Local\Temp\ecc34f95e278887ec719983726b713401430220c40f13925ccd78d9917f0ac76.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1328
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\heErthOsF.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2908
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\heErthOsF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF0A9.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1428
    • C:\Users\Admin\AppData\Local\Temp\ecc34f95e278887ec719983726b713401430220c40f13925ccd78d9917f0ac76.exe
      "C:\Users\Admin\AppData\Local\Temp\ecc34f95e278887ec719983726b713401430220c40f13925ccd78d9917f0ac76.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ecc34f95e278887ec719983726b713401430220c40f13925ccd78d9917f0ac76.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cy0aji2x.2ju.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpF0A9.tmp

    Filesize

    1KB

    MD5

    b57b2ae37392eeecf22d8a6fbc22deda

    SHA1

    41ff3c57849a577ba0c1e205c9a613829dee3e1c

    SHA256

    243769de54a933d31842b69f9454c800020f73c5271c9df1bee885c60854af11

    SHA512

    64f23bd4f420471f13ef897101b88cb893d841c2fe6b4ad783572b9c5a0c9ff5f422b4a0b9352ec5265b3af687c7377e6ca22248527228b67e24535f273c6f1f

  • memory/960-73-0x0000000005840000-0x0000000005850000-memory.dmp

    Filesize

    64KB

  • memory/960-72-0x0000000075320000-0x0000000075AD0000-memory.dmp

    Filesize

    7.7MB

  • memory/960-66-0x0000000006EA0000-0x0000000006EF0000-memory.dmp

    Filesize

    320KB

  • memory/960-29-0x0000000005840000-0x0000000005850000-memory.dmp

    Filesize

    64KB

  • memory/960-30-0x0000000005A90000-0x0000000005AF6000-memory.dmp

    Filesize

    408KB

  • memory/960-27-0x0000000075320000-0x0000000075AD0000-memory.dmp

    Filesize

    7.7MB

  • memory/960-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1328-12-0x0000000004B20000-0x0000000004B30000-memory.dmp

    Filesize

    64KB

  • memory/1328-6-0x0000000004E40000-0x0000000004EDC000-memory.dmp

    Filesize

    624KB

  • memory/1328-0-0x0000000000110000-0x00000000001B4000-memory.dmp

    Filesize

    656KB

  • memory/1328-1-0x0000000075320000-0x0000000075AD0000-memory.dmp

    Filesize

    7.7MB

  • memory/1328-2-0x00000000051A0000-0x0000000005744000-memory.dmp

    Filesize

    5.6MB

  • memory/1328-3-0x0000000004BF0000-0x0000000004C82000-memory.dmp

    Filesize

    584KB

  • memory/1328-11-0x0000000075320000-0x0000000075AD0000-memory.dmp

    Filesize

    7.7MB

  • memory/1328-4-0x0000000004B20000-0x0000000004B30000-memory.dmp

    Filesize

    64KB

  • memory/1328-10-0x0000000005F40000-0x0000000005FC4000-memory.dmp

    Filesize

    528KB

  • memory/1328-9-0x0000000005030000-0x000000000503E000-memory.dmp

    Filesize

    56KB

  • memory/1328-8-0x0000000005020000-0x000000000502A000-memory.dmp

    Filesize

    40KB

  • memory/1328-7-0x0000000005000000-0x0000000005014000-memory.dmp

    Filesize

    80KB

  • memory/1328-26-0x0000000075320000-0x0000000075AD0000-memory.dmp

    Filesize

    7.7MB

  • memory/1328-5-0x0000000004BA0000-0x0000000004BAA000-memory.dmp

    Filesize

    40KB

  • memory/2908-42-0x0000000006340000-0x000000000635E000-memory.dmp

    Filesize

    120KB

  • memory/2908-60-0x0000000007660000-0x000000000767A000-memory.dmp

    Filesize

    104KB

  • memory/2908-21-0x0000000005510000-0x0000000005B38000-memory.dmp

    Filesize

    6.2MB

  • memory/2908-36-0x0000000005CB0000-0x0000000005D16000-memory.dmp

    Filesize

    408KB

  • memory/2908-41-0x0000000005F00000-0x0000000006254000-memory.dmp

    Filesize

    3.3MB

  • memory/2908-20-0x0000000002B10000-0x0000000002B20000-memory.dmp

    Filesize

    64KB

  • memory/2908-43-0x0000000006380000-0x00000000063CC000-memory.dmp

    Filesize

    304KB

  • memory/2908-44-0x000000007FA10000-0x000000007FA20000-memory.dmp

    Filesize

    64KB

  • memory/2908-45-0x0000000006910000-0x0000000006942000-memory.dmp

    Filesize

    200KB

  • memory/2908-46-0x0000000071600000-0x000000007164C000-memory.dmp

    Filesize

    304KB

  • memory/2908-56-0x0000000007310000-0x000000000732E000-memory.dmp

    Filesize

    120KB

  • memory/2908-57-0x0000000002B10000-0x0000000002B20000-memory.dmp

    Filesize

    64KB

  • memory/2908-58-0x0000000007330000-0x00000000073D3000-memory.dmp

    Filesize

    652KB

  • memory/2908-28-0x0000000005280000-0x00000000052A2000-memory.dmp

    Filesize

    136KB

  • memory/2908-59-0x0000000007CB0000-0x000000000832A000-memory.dmp

    Filesize

    6.5MB

  • memory/2908-61-0x00000000076E0000-0x00000000076EA000-memory.dmp

    Filesize

    40KB

  • memory/2908-62-0x00000000078E0000-0x0000000007976000-memory.dmp

    Filesize

    600KB

  • memory/2908-63-0x0000000007860000-0x0000000007871000-memory.dmp

    Filesize

    68KB

  • memory/2908-64-0x0000000007890000-0x000000000789E000-memory.dmp

    Filesize

    56KB

  • memory/2908-65-0x00000000078A0000-0x00000000078B4000-memory.dmp

    Filesize

    80KB

  • memory/2908-17-0x0000000002A30000-0x0000000002A66000-memory.dmp

    Filesize

    216KB

  • memory/2908-67-0x00000000079A0000-0x00000000079BA000-memory.dmp

    Filesize

    104KB

  • memory/2908-68-0x0000000007980000-0x0000000007988000-memory.dmp

    Filesize

    32KB

  • memory/2908-71-0x0000000075320000-0x0000000075AD0000-memory.dmp

    Filesize

    7.7MB

  • memory/2908-19-0x0000000002B10000-0x0000000002B20000-memory.dmp

    Filesize

    64KB

  • memory/2908-18-0x0000000075320000-0x0000000075AD0000-memory.dmp

    Filesize

    7.7MB