Analysis

  • max time kernel
    96s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2024 20:28

General

  • Target

    PO23100070.exe

  • Size

    657KB

  • MD5

    885f5a1ad4e095da19fe160b8901cb45

  • SHA1

    5cc5a214ea49654280f3b1b842c1b8a3e772ebcb

  • SHA256

    03d70e61c415e7a0e2ec76c31cdaa056d05ba4a0c5424611df5b5b69c1415ff9

  • SHA512

    88cb9242d726db4e73194716090b17ef76c79f422d8931a960a4d9066b5415c447c32614df5a613c28712e4231ef64cf00d58d7cfff0db9e75adf72d610e806b

  • SSDEEP

    12288:WLKWTG4mCQGO93AI+6Z3i+wjYFTcqODJDKQhYLQ:0xTPeStjYFYqqDKQH

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\PO23100070.exe
    "C:\Users\Admin\AppData\Local\Temp\PO23100070.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2252
    • 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\PO23100070.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2576
    • C:\Users\Admin\AppData\Local\Temp\PO23100070.exe
      "C:\Users\Admin\AppData\Local\Temp\PO23100070.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nfpxncop.hl5.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2252-6-0x0000000004E40000-0x0000000004EDC000-memory.dmp

    Filesize

    624KB

  • memory/2252-2-0x0000000005230000-0x00000000057D4000-memory.dmp

    Filesize

    5.6MB

  • memory/2252-3-0x0000000004BB0000-0x0000000004C42000-memory.dmp

    Filesize

    584KB

  • memory/2252-4-0x0000000004D80000-0x0000000004D8A000-memory.dmp

    Filesize

    40KB

  • memory/2252-5-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2252-14-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2252-7-0x00000000051F0000-0x000000000520A000-memory.dmp

    Filesize

    104KB

  • memory/2252-8-0x00000000749FE000-0x00000000749FF000-memory.dmp

    Filesize

    4KB

  • memory/2252-9-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2252-10-0x0000000007730000-0x00000000077A0000-memory.dmp

    Filesize

    448KB

  • memory/2252-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

    Filesize

    4KB

  • memory/2252-1-0x0000000000150000-0x00000000001FA000-memory.dmp

    Filesize

    680KB

  • memory/2576-51-0x0000000007A40000-0x00000000080BA000-memory.dmp

    Filesize

    6.5MB

  • memory/2576-53-0x0000000007470000-0x000000000747A000-memory.dmp

    Filesize

    40KB

  • memory/2576-62-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2576-17-0x00000000027F0000-0x0000000002826000-memory.dmp

    Filesize

    216KB

  • memory/2576-19-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2576-18-0x00000000054E0000-0x0000000005B08000-memory.dmp

    Filesize

    6.2MB

  • memory/2576-20-0x0000000005130000-0x0000000005152000-memory.dmp

    Filesize

    136KB

  • memory/2576-21-0x00000000051D0000-0x0000000005236000-memory.dmp

    Filesize

    408KB

  • memory/2576-59-0x0000000007720000-0x0000000007728000-memory.dmp

    Filesize

    32KB

  • memory/2576-27-0x0000000005B10000-0x0000000005E64000-memory.dmp

    Filesize

    3.3MB

  • memory/2576-32-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2576-33-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2576-34-0x00000000060E0000-0x00000000060FE000-memory.dmp

    Filesize

    120KB

  • memory/2576-35-0x0000000006190000-0x00000000061DC000-memory.dmp

    Filesize

    304KB

  • memory/2576-37-0x0000000070650000-0x000000007069C000-memory.dmp

    Filesize

    304KB

  • memory/2576-48-0x00000000070B0000-0x0000000007153000-memory.dmp

    Filesize

    652KB

  • memory/2576-47-0x0000000006690000-0x00000000066AE000-memory.dmp

    Filesize

    120KB

  • memory/2576-58-0x0000000007740000-0x000000000775A000-memory.dmp

    Filesize

    104KB

  • memory/2576-36-0x00000000066B0000-0x00000000066E2000-memory.dmp

    Filesize

    200KB

  • memory/2576-57-0x0000000007640000-0x0000000007654000-memory.dmp

    Filesize

    80KB

  • memory/2576-56-0x0000000007630000-0x000000000763E000-memory.dmp

    Filesize

    56KB

  • memory/2576-52-0x0000000007400000-0x000000000741A000-memory.dmp

    Filesize

    104KB

  • memory/2576-55-0x0000000007600000-0x0000000007611000-memory.dmp

    Filesize

    68KB

  • memory/2576-54-0x0000000007680000-0x0000000007716000-memory.dmp

    Filesize

    600KB

  • memory/2884-15-0x0000000004F60000-0x0000000004FC6000-memory.dmp

    Filesize

    408KB

  • memory/2884-11-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2884-50-0x00000000066B0000-0x0000000006872000-memory.dmp

    Filesize

    1.8MB

  • memory/2884-49-0x0000000006460000-0x00000000064B0000-memory.dmp

    Filesize

    320KB

  • memory/2884-13-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2884-16-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2884-63-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB