Analysis

  • max time kernel
    148s
  • max time network
    150s
  • 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 07:26

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:2936
    • 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:2932
    • 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:2068

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO23100070.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2nshdgte.bcf.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2068-11-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2068-63-0x0000000074B20000-0x00000000752D0000-memory.dmp

    Filesize

    7.7MB

  • memory/2068-56-0x0000000006900000-0x0000000006AC2000-memory.dmp

    Filesize

    1.8MB

  • memory/2068-54-0x00000000066E0000-0x0000000006730000-memory.dmp

    Filesize

    320KB

  • memory/2068-17-0x0000000005320000-0x0000000005386000-memory.dmp

    Filesize

    408KB

  • memory/2068-18-0x0000000074B20000-0x00000000752D0000-memory.dmp

    Filesize

    7.7MB

  • memory/2068-14-0x0000000074B20000-0x00000000752D0000-memory.dmp

    Filesize

    7.7MB

  • memory/2932-22-0x0000000004CE0000-0x0000000004D02000-memory.dmp

    Filesize

    136KB

  • memory/2932-52-0x0000000007350000-0x00000000073E6000-memory.dmp

    Filesize

    600KB

  • memory/2932-62-0x0000000074B20000-0x00000000752D0000-memory.dmp

    Filesize

    7.7MB

  • memory/2932-59-0x00000000073F0000-0x00000000073F8000-memory.dmp

    Filesize

    32KB

  • memory/2932-58-0x0000000007410000-0x000000000742A000-memory.dmp

    Filesize

    104KB

  • memory/2932-57-0x0000000007310000-0x0000000007324000-memory.dmp

    Filesize

    80KB

  • memory/2932-19-0x0000000074B20000-0x00000000752D0000-memory.dmp

    Filesize

    7.7MB

  • memory/2932-55-0x0000000007300000-0x000000000730E000-memory.dmp

    Filesize

    56KB

  • memory/2932-20-0x0000000074B20000-0x00000000752D0000-memory.dmp

    Filesize

    7.7MB

  • memory/2932-53-0x00000000072D0000-0x00000000072E1000-memory.dmp

    Filesize

    68KB

  • memory/2932-16-0x0000000002480000-0x00000000024B6000-memory.dmp

    Filesize

    216KB

  • memory/2932-21-0x0000000005310000-0x0000000005938000-memory.dmp

    Filesize

    6.2MB

  • memory/2932-23-0x0000000004D80000-0x0000000004DE6000-memory.dmp

    Filesize

    408KB

  • memory/2932-51-0x0000000007140000-0x000000000714A000-memory.dmp

    Filesize

    40KB

  • memory/2932-50-0x0000000006490000-0x00000000064AA000-memory.dmp

    Filesize

    104KB

  • memory/2932-33-0x0000000005940000-0x0000000005C94000-memory.dmp

    Filesize

    3.3MB

  • memory/2932-34-0x0000000005DA0000-0x0000000005DBE000-memory.dmp

    Filesize

    120KB

  • memory/2932-35-0x0000000005DF0000-0x0000000005E3C000-memory.dmp

    Filesize

    304KB

  • memory/2932-36-0x0000000006360000-0x0000000006392000-memory.dmp

    Filesize

    200KB

  • memory/2932-37-0x00000000707A0000-0x00000000707EC000-memory.dmp

    Filesize

    304KB

  • memory/2932-47-0x00000000063A0000-0x00000000063BE000-memory.dmp

    Filesize

    120KB

  • memory/2932-48-0x0000000006E60000-0x0000000006F03000-memory.dmp

    Filesize

    652KB

  • memory/2932-49-0x0000000007790000-0x0000000007E0A000-memory.dmp

    Filesize

    6.5MB

  • memory/2936-4-0x0000000074B20000-0x00000000752D0000-memory.dmp

    Filesize

    7.7MB

  • memory/2936-0-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

    Filesize

    4KB

  • memory/2936-10-0x00000000081C0000-0x0000000008230000-memory.dmp

    Filesize

    448KB

  • memory/2936-5-0x0000000005800000-0x000000000580A000-memory.dmp

    Filesize

    40KB

  • memory/2936-6-0x0000000005980000-0x0000000005A1C000-memory.dmp

    Filesize

    624KB

  • memory/2936-3-0x0000000005660000-0x00000000056F2000-memory.dmp

    Filesize

    584KB

  • memory/2936-2-0x0000000005C10000-0x00000000061B4000-memory.dmp

    Filesize

    5.6MB

  • memory/2936-15-0x0000000074B20000-0x00000000752D0000-memory.dmp

    Filesize

    7.7MB

  • memory/2936-7-0x0000000005B70000-0x0000000005B8A000-memory.dmp

    Filesize

    104KB

  • memory/2936-8-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

    Filesize

    4KB

  • memory/2936-9-0x0000000074B20000-0x00000000752D0000-memory.dmp

    Filesize

    7.7MB

  • memory/2936-1-0x0000000000BD0000-0x0000000000C7A000-memory.dmp

    Filesize

    680KB