Analysis

  • max time kernel
    114s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/10/2024, 11:36

General

  • Target

    248A016D6E110A78E0630A00BA4D2B88.exe

  • Size

    561KB

  • MD5

    f8b23495334eff37789ba6cf4f6a6f46

  • SHA1

    5bc2e5a2218015c5a9be057404d040f5a182382c

  • SHA256

    165005cb8423f38beba5461a10f3cf5fb69304013b5033463265c5457e48b76d

  • SHA512

    c145ac1b03bb1683cd156f98cd43446666745b33ef7709d00a7c420dc49f647c1d9d92ffe8ed84b098ad152e5f343b1abadaecd6bb0d71b5bcf4fef7de7ec5fe

  • SSDEEP

    12288:Ephg7eqHFK/zilwRYpvd/rAJ60X+3tLZstDQBmBvNMdQ:EphClg7RYpvNtddsFJ

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 3 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).

  • 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 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\248A016D6E110A78E0630A00BA4D2B88.exe
    "C:\Users\Admin\AppData\Local\Temp\248A016D6E110A78E0630A00BA4D2B88.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5004
    • 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\248A016D6E110A78E0630A00BA4D2B88.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2180
    • C:\Users\Admin\AppData\Local\Temp\248A016D6E110A78E0630A00BA4D2B88.exe
      "C:\Users\Admin\AppData\Local\Temp\248A016D6E110A78E0630A00BA4D2B88.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2980

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\248A016D6E110A78E0630A00BA4D2B88.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_o4wbdafk.zte.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2180-50-0x0000000007F00000-0x0000000007F96000-memory.dmp

    Filesize

    600KB

  • memory/2180-16-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB

  • memory/2180-63-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB

  • memory/2180-60-0x0000000007FA0000-0x0000000007FA8000-memory.dmp

    Filesize

    32KB

  • memory/2180-59-0x0000000007FC0000-0x0000000007FDA000-memory.dmp

    Filesize

    104KB

  • memory/2180-58-0x0000000007EC0000-0x0000000007ED4000-memory.dmp

    Filesize

    80KB

  • memory/2180-57-0x0000000007EB0000-0x0000000007EBE000-memory.dmp

    Filesize

    56KB

  • memory/2180-51-0x0000000007E80000-0x0000000007E91000-memory.dmp

    Filesize

    68KB

  • memory/2180-49-0x0000000007CF0000-0x0000000007CFA000-memory.dmp

    Filesize

    40KB

  • memory/2180-47-0x00000000082C0000-0x000000000893A000-memory.dmp

    Filesize

    6.5MB

  • memory/2180-12-0x0000000003030000-0x0000000003066000-memory.dmp

    Filesize

    216KB

  • memory/2180-13-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB

  • memory/2180-14-0x0000000005C10000-0x0000000006238000-memory.dmp

    Filesize

    6.2MB

  • memory/2180-31-0x00000000078F0000-0x0000000007922000-memory.dmp

    Filesize

    200KB

  • memory/2180-17-0x0000000005920000-0x0000000005986000-memory.dmp

    Filesize

    408KB

  • memory/2180-43-0x0000000007930000-0x000000000794E000-memory.dmp

    Filesize

    120KB

  • memory/2180-15-0x0000000005880000-0x00000000058A2000-memory.dmp

    Filesize

    136KB

  • memory/2180-48-0x0000000007C80000-0x0000000007C9A000-memory.dmp

    Filesize

    104KB

  • memory/2180-28-0x0000000006440000-0x0000000006794000-memory.dmp

    Filesize

    3.3MB

  • memory/2180-29-0x0000000006930000-0x000000000694E000-memory.dmp

    Filesize

    120KB

  • memory/2180-30-0x0000000006980000-0x00000000069CC000-memory.dmp

    Filesize

    304KB

  • memory/2180-33-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB

  • memory/2180-46-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB

  • memory/2180-32-0x000000006F430000-0x000000006F47C000-memory.dmp

    Filesize

    304KB

  • memory/2180-18-0x00000000058B0000-0x0000000005916000-memory.dmp

    Filesize

    408KB

  • memory/2180-45-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB

  • memory/2180-44-0x0000000007950000-0x00000000079F3000-memory.dmp

    Filesize

    652KB

  • memory/2980-52-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2980-66-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB

  • memory/2980-55-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB

  • memory/2980-65-0x0000000006C20000-0x0000000006DE2000-memory.dmp

    Filesize

    1.8MB

  • memory/2980-64-0x0000000006A00000-0x0000000006A50000-memory.dmp

    Filesize

    320KB

  • memory/5004-56-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB

  • memory/5004-9-0x00000000067E0000-0x0000000006852000-memory.dmp

    Filesize

    456KB

  • memory/5004-3-0x00000000053C0000-0x0000000005452000-memory.dmp

    Filesize

    584KB

  • memory/5004-1-0x0000000000940000-0x00000000009D2000-memory.dmp

    Filesize

    584KB

  • memory/5004-11-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB

  • memory/5004-8-0x0000000005880000-0x0000000005892000-memory.dmp

    Filesize

    72KB

  • memory/5004-7-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB

  • memory/5004-6-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

    Filesize

    4KB

  • memory/5004-4-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB

  • memory/5004-5-0x0000000005570000-0x000000000557A000-memory.dmp

    Filesize

    40KB

  • memory/5004-0-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

    Filesize

    4KB

  • memory/5004-10-0x000000000A480000-0x000000000A51C000-memory.dmp

    Filesize

    624KB

  • memory/5004-2-0x0000000005890000-0x0000000005E34000-memory.dmp

    Filesize

    5.6MB