Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 14:05

General

  • Target

    859ce543eead04b946a2d77d7d2a9342cfdfad1698fef1d442cb51fe6429eef2.exe

  • Size

    585KB

  • MD5

    dd3fba3f07cccaca8c79bcc64a2990d6

  • SHA1

    561ee5c2a12d3336cf9c997bc50fe75ef097cbc0

  • SHA256

    859ce543eead04b946a2d77d7d2a9342cfdfad1698fef1d442cb51fe6429eef2

  • SHA512

    288a24d0f99e19bce4b63248a38456df39b82bb113bfa9359a108c6f90554394237480c452f3f80c22aa9470f81a226cad4173faf8fb1e0b8c1d9740fbd51b67

  • SSDEEP

    12288:IlYifTjl00g/LqWMw0tdjpBfXZ7z2cJlh9j01U9w7wAtxYRWoHn3+:HiN9gDH0JpNX1z2cJlCU9wwu

Malware Config

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\859ce543eead04b946a2d77d7d2a9342cfdfad1698fef1d442cb51fe6429eef2.exe
    "C:\Users\Admin\AppData\Local\Temp\859ce543eead04b946a2d77d7d2a9342cfdfad1698fef1d442cb51fe6429eef2.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1772
    • 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\859ce543eead04b946a2d77d7d2a9342cfdfad1698fef1d442cb51fe6429eef2.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1500
    • C:\Users\Admin\AppData\Local\Temp\859ce543eead04b946a2d77d7d2a9342cfdfad1698fef1d442cb51fe6429eef2.exe
      "C:\Users\Admin\AppData\Local\Temp\859ce543eead04b946a2d77d7d2a9342cfdfad1698fef1d442cb51fe6429eef2.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3256

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\859ce543eead04b946a2d77d7d2a9342cfdfad1698fef1d442cb51fe6429eef2.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ktvlqyss.qiy.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1500-51-0x00000000073E0000-0x00000000073EA000-memory.dmp

    Filesize

    40KB

  • memory/1500-15-0x0000000004AB0000-0x0000000004AE6000-memory.dmp

    Filesize

    216KB

  • memory/1500-29-0x0000000005A40000-0x0000000005D94000-memory.dmp

    Filesize

    3.3MB

  • memory/1500-62-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/1500-59-0x0000000007690000-0x0000000007698000-memory.dmp

    Filesize

    32KB

  • memory/1500-58-0x00000000076B0000-0x00000000076CA000-memory.dmp

    Filesize

    104KB

  • memory/1500-57-0x00000000075B0000-0x00000000075C4000-memory.dmp

    Filesize

    80KB

  • memory/1500-56-0x00000000075A0000-0x00000000075AE000-memory.dmp

    Filesize

    56KB

  • memory/1500-55-0x0000000007570000-0x0000000007581000-memory.dmp

    Filesize

    68KB

  • memory/1500-54-0x00000000075F0000-0x0000000007686000-memory.dmp

    Filesize

    600KB

  • memory/1500-49-0x00000000079B0000-0x000000000802A000-memory.dmp

    Filesize

    6.5MB

  • memory/1500-35-0x00000000060C0000-0x000000000610C000-memory.dmp

    Filesize

    304KB

  • memory/1500-50-0x0000000007370000-0x000000000738A000-memory.dmp

    Filesize

    104KB

  • memory/1500-17-0x0000000005120000-0x0000000005748000-memory.dmp

    Filesize

    6.2MB

  • memory/1500-16-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/1500-48-0x0000000007260000-0x0000000007303000-memory.dmp

    Filesize

    652KB

  • memory/1500-19-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/1500-20-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/1500-22-0x0000000005960000-0x00000000059C6000-memory.dmp

    Filesize

    408KB

  • memory/1500-21-0x00000000058C0000-0x00000000058E2000-memory.dmp

    Filesize

    136KB

  • memory/1500-47-0x00000000065F0000-0x000000000660E000-memory.dmp

    Filesize

    120KB

  • memory/1500-36-0x0000000007020000-0x0000000007052000-memory.dmp

    Filesize

    200KB

  • memory/1500-37-0x0000000070520000-0x000000007056C000-memory.dmp

    Filesize

    304KB

  • memory/1500-34-0x0000000006030000-0x000000000604E000-memory.dmp

    Filesize

    120KB

  • memory/1772-9-0x0000000006A20000-0x0000000006A92000-memory.dmp

    Filesize

    456KB

  • memory/1772-1-0x0000000000B70000-0x0000000000C08000-memory.dmp

    Filesize

    608KB

  • memory/1772-3-0x00000000054D0000-0x0000000005562000-memory.dmp

    Filesize

    584KB

  • memory/1772-14-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/1772-5-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/1772-6-0x0000000005750000-0x00000000057EC000-memory.dmp

    Filesize

    624KB

  • memory/1772-4-0x00000000054C0000-0x00000000054CA000-memory.dmp

    Filesize

    40KB

  • memory/1772-0-0x00000000748AE000-0x00000000748AF000-memory.dmp

    Filesize

    4KB

  • memory/1772-7-0x00000000059C0000-0x00000000059DA000-memory.dmp

    Filesize

    104KB

  • memory/1772-8-0x0000000005730000-0x0000000005740000-memory.dmp

    Filesize

    64KB

  • memory/1772-2-0x00000000059E0000-0x0000000005F84000-memory.dmp

    Filesize

    5.6MB

  • memory/3256-23-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/3256-10-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/3256-53-0x0000000006780000-0x0000000006942000-memory.dmp

    Filesize

    1.8MB

  • memory/3256-52-0x0000000006560000-0x00000000065B0000-memory.dmp

    Filesize

    320KB

  • memory/3256-13-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/3256-18-0x00000000051A0000-0x0000000005206000-memory.dmp

    Filesize

    408KB

  • memory/3256-63-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB