Analysis

  • max time kernel
    119s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-09-2024 10:24

General

  • Target

    fa3f2da36cc8ac6894d5484077cdc8c294fb22dba8860f87a0bbf20436a0fec3.exe

  • Size

    1.3MB

  • MD5

    78623a6de3bd639a7717ae5720fdac0d

  • SHA1

    c564c812a2a7744c611427c2d1679d296858458f

  • SHA256

    fa3f2da36cc8ac6894d5484077cdc8c294fb22dba8860f87a0bbf20436a0fec3

  • SHA512

    38726e84f7f01b7e34dc973c417b3f54137748b0dbdeefaab710f9e515787b0af32c7fc95724bb12de26aab8527c54a13e95ca10d052df6951b98e18b0d2ae59

  • SSDEEP

    12288:xMVV2Xec2cwvOjw3aVI/PE+vVg7fLz3Q1cLy/33lbxGN:xe2OcF05c+K7fLzA1zGN

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7000875199:AAGcJDBHFcfVUBvhBO4xZLw34OXk1NWXSe0/

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fa3f2da36cc8ac6894d5484077cdc8c294fb22dba8860f87a0bbf20436a0fec3.exe
    "C:\Users\Admin\AppData\Local\Temp\fa3f2da36cc8ac6894d5484077cdc8c294fb22dba8860f87a0bbf20436a0fec3.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:840
    • 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\fa3f2da36cc8ac6894d5484077cdc8c294fb22dba8860f87a0bbf20436a0fec3.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4380
    • C:\Users\Admin\AppData\Local\Temp\fa3f2da36cc8ac6894d5484077cdc8c294fb22dba8860f87a0bbf20436a0fec3.exe
      "C:\Users\Admin\AppData\Local\Temp\fa3f2da36cc8ac6894d5484077cdc8c294fb22dba8860f87a0bbf20436a0fec3.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1948

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\fa3f2da36cc8ac6894d5484077cdc8c294fb22dba8860f87a0bbf20436a0fec3.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ejw04j0m.gos.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/840-6-0x0000000006540000-0x0000000006558000-memory.dmp

    Filesize

    96KB

  • memory/840-3-0x0000000004FC0000-0x0000000005052000-memory.dmp

    Filesize

    584KB

  • memory/840-4-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/840-5-0x0000000005190000-0x000000000519A000-memory.dmp

    Filesize

    40KB

  • memory/840-15-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/840-7-0x00000000750DE000-0x00000000750DF000-memory.dmp

    Filesize

    4KB

  • memory/840-8-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/840-9-0x0000000006790000-0x0000000006814000-memory.dmp

    Filesize

    528KB

  • memory/840-10-0x000000000A1B0000-0x000000000A24C000-memory.dmp

    Filesize

    624KB

  • memory/840-2-0x00000000054D0000-0x0000000005A74000-memory.dmp

    Filesize

    5.6MB

  • memory/840-1-0x00000000004D0000-0x000000000057A000-memory.dmp

    Filesize

    680KB

  • memory/840-0-0x00000000750DE000-0x00000000750DF000-memory.dmp

    Filesize

    4KB

  • memory/1948-20-0x0000000005600000-0x0000000005666000-memory.dmp

    Filesize

    408KB

  • memory/1948-14-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/1948-62-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/1948-51-0x00000000064F0000-0x0000000006540000-memory.dmp

    Filesize

    320KB

  • memory/1948-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1948-21-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/4380-36-0x0000000006100000-0x0000000006132000-memory.dmp

    Filesize

    200KB

  • memory/4380-49-0x00000000074B0000-0x0000000007B2A000-memory.dmp

    Filesize

    6.5MB

  • memory/4380-23-0x0000000004B30000-0x0000000004B96000-memory.dmp

    Filesize

    408KB

  • memory/4380-19-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/4380-33-0x0000000005570000-0x00000000058C4000-memory.dmp

    Filesize

    3.3MB

  • memory/4380-34-0x0000000005B50000-0x0000000005B6E000-memory.dmp

    Filesize

    120KB

  • memory/4380-35-0x0000000005F10000-0x0000000005F5C000-memory.dmp

    Filesize

    304KB

  • memory/4380-47-0x0000000006140000-0x000000000615E000-memory.dmp

    Filesize

    120KB

  • memory/4380-37-0x0000000070D50000-0x0000000070D9C000-memory.dmp

    Filesize

    304KB

  • memory/4380-16-0x00000000009C0000-0x00000000009F6000-memory.dmp

    Filesize

    216KB

  • memory/4380-48-0x0000000006D70000-0x0000000006E13000-memory.dmp

    Filesize

    652KB

  • memory/4380-22-0x0000000004A90000-0x0000000004AB2000-memory.dmp

    Filesize

    136KB

  • memory/4380-50-0x0000000006E70000-0x0000000006E8A000-memory.dmp

    Filesize

    104KB

  • memory/4380-17-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/4380-52-0x0000000006EE0000-0x0000000006EEA000-memory.dmp

    Filesize

    40KB

  • memory/4380-53-0x00000000070F0000-0x0000000007186000-memory.dmp

    Filesize

    600KB

  • memory/4380-54-0x0000000007070000-0x0000000007081000-memory.dmp

    Filesize

    68KB

  • memory/4380-55-0x00000000070A0000-0x00000000070AE000-memory.dmp

    Filesize

    56KB

  • memory/4380-56-0x00000000070B0000-0x00000000070C4000-memory.dmp

    Filesize

    80KB

  • memory/4380-57-0x00000000071B0000-0x00000000071CA000-memory.dmp

    Filesize

    104KB

  • memory/4380-58-0x0000000007190000-0x0000000007198000-memory.dmp

    Filesize

    32KB

  • memory/4380-61-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/4380-18-0x0000000004F40000-0x0000000005568000-memory.dmp

    Filesize

    6.2MB