Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 14:44

General

  • Target

    86f2279dcd0fefd01392dda46e202ae5e1528322b34ddf7029ef3efd58b5b45e.exe

  • Size

    836KB

  • MD5

    0668ddb7de67098ce3a2196f81602740

  • SHA1

    1e54e23d77360b45a297ee1e4040e51a93fb38f8

  • SHA256

    86f2279dcd0fefd01392dda46e202ae5e1528322b34ddf7029ef3efd58b5b45e

  • SHA512

    04b1d59543f65533efab5fafbdda3a75feb8bae34b3f91912692b9d46773df2b417e1b672b470d6e565ee5e54c298bf77b37721e6be98a8c4583d4ee94afad2f

  • SSDEEP

    12288:i+x504bFtx504bFWxPah3iI6p0lJy5hzmnIFMgKOyg+tlxoJjzX374:Hw4bjw4bZ3k0nmCIFMgxrfn7

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Jchalen82

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 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.

  • 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 WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\86f2279dcd0fefd01392dda46e202ae5e1528322b34ddf7029ef3efd58b5b45e.exe
    "C:\Users\Admin\AppData\Local\Temp\86f2279dcd0fefd01392dda46e202ae5e1528322b34ddf7029ef3efd58b5b45e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1284
    • 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\86f2279dcd0fefd01392dda46e202ae5e1528322b34ddf7029ef3efd58b5b45e.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2836
    • C:\Users\Admin\AppData\Local\Temp\86f2279dcd0fefd01392dda46e202ae5e1528322b34ddf7029ef3efd58b5b45e.exe
      "C:\Users\Admin\AppData\Local\Temp\86f2279dcd0fefd01392dda46e202ae5e1528322b34ddf7029ef3efd58b5b45e.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1524

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\86f2279dcd0fefd01392dda46e202ae5e1528322b34ddf7029ef3efd58b5b45e.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3mu5mahs.vtz.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1284-6-0x0000000004E10000-0x0000000004EAC000-memory.dmp

    Filesize

    624KB

  • memory/1284-3-0x0000000004B70000-0x0000000004C02000-memory.dmp

    Filesize

    584KB

  • memory/1284-4-0x0000000004D10000-0x0000000004D1A000-memory.dmp

    Filesize

    40KB

  • memory/1284-5-0x0000000074610000-0x0000000074DC0000-memory.dmp

    Filesize

    7.7MB

  • memory/1284-14-0x0000000074610000-0x0000000074DC0000-memory.dmp

    Filesize

    7.7MB

  • memory/1284-7-0x0000000005890000-0x00000000058AA000-memory.dmp

    Filesize

    104KB

  • memory/1284-8-0x0000000005870000-0x0000000005880000-memory.dmp

    Filesize

    64KB

  • memory/1284-9-0x0000000005D50000-0x0000000005DD2000-memory.dmp

    Filesize

    520KB

  • memory/1284-0-0x000000007461E000-0x000000007461F000-memory.dmp

    Filesize

    4KB

  • memory/1284-2-0x0000000005120000-0x00000000056C4000-memory.dmp

    Filesize

    5.6MB

  • memory/1284-1-0x0000000000090000-0x0000000000164000-memory.dmp

    Filesize

    848KB

  • memory/1524-10-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1524-13-0x0000000074610000-0x0000000074DC0000-memory.dmp

    Filesize

    7.7MB

  • memory/1524-62-0x0000000074610000-0x0000000074DC0000-memory.dmp

    Filesize

    7.7MB

  • memory/1524-17-0x0000000005420000-0x0000000005486000-memory.dmp

    Filesize

    408KB

  • memory/1524-18-0x0000000074610000-0x0000000074DC0000-memory.dmp

    Filesize

    7.7MB

  • memory/1524-51-0x00000000060F0000-0x0000000006140000-memory.dmp

    Filesize

    320KB

  • memory/2836-37-0x0000000070270000-0x00000000702BC000-memory.dmp

    Filesize

    304KB

  • memory/2836-48-0x00000000073B0000-0x0000000007453000-memory.dmp

    Filesize

    652KB

  • memory/2836-20-0x0000000005C40000-0x0000000005C62000-memory.dmp

    Filesize

    136KB

  • memory/2836-31-0x0000000005EC0000-0x0000000006214000-memory.dmp

    Filesize

    3.3MB

  • memory/2836-33-0x0000000006470000-0x00000000064BC000-memory.dmp

    Filesize

    304KB

  • memory/2836-32-0x00000000063C0000-0x00000000063DE000-memory.dmp

    Filesize

    120KB

  • memory/2836-34-0x0000000074610000-0x0000000074DC0000-memory.dmp

    Filesize

    7.7MB

  • memory/2836-35-0x0000000074610000-0x0000000074DC0000-memory.dmp

    Filesize

    7.7MB

  • memory/2836-36-0x0000000006990000-0x00000000069C2000-memory.dmp

    Filesize

    200KB

  • memory/2836-15-0x0000000002AE0000-0x0000000002B16000-memory.dmp

    Filesize

    216KB

  • memory/2836-47-0x00000000069D0000-0x00000000069EE000-memory.dmp

    Filesize

    120KB

  • memory/2836-21-0x0000000005CE0000-0x0000000005D46000-memory.dmp

    Filesize

    408KB

  • memory/2836-49-0x0000000007D30000-0x00000000083AA000-memory.dmp

    Filesize

    6.5MB

  • memory/2836-50-0x00000000076F0000-0x000000000770A000-memory.dmp

    Filesize

    104KB

  • memory/2836-19-0x00000000055D0000-0x0000000005BF8000-memory.dmp

    Filesize

    6.2MB

  • memory/2836-52-0x0000000007760000-0x000000000776A000-memory.dmp

    Filesize

    40KB

  • memory/2836-53-0x0000000007970000-0x0000000007A06000-memory.dmp

    Filesize

    600KB

  • memory/2836-54-0x00000000078F0000-0x0000000007901000-memory.dmp

    Filesize

    68KB

  • memory/2836-55-0x0000000007920000-0x000000000792E000-memory.dmp

    Filesize

    56KB

  • memory/2836-56-0x0000000007930000-0x0000000007944000-memory.dmp

    Filesize

    80KB

  • memory/2836-57-0x0000000007A30000-0x0000000007A4A000-memory.dmp

    Filesize

    104KB

  • memory/2836-58-0x0000000007A10000-0x0000000007A18000-memory.dmp

    Filesize

    32KB

  • memory/2836-61-0x0000000074610000-0x0000000074DC0000-memory.dmp

    Filesize

    7.7MB

  • memory/2836-16-0x0000000074610000-0x0000000074DC0000-memory.dmp

    Filesize

    7.7MB