Analysis

  • max time kernel
    138s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-09-2024 13:19

General

  • Target

    Payment Receipt 00000762511.pdf.exe

  • Size

    512KB

  • MD5

    973947da93027a6c61b949ab7f44f956

  • SHA1

    3daf77c22b19276e29137ec95b0ec90249aeb6b5

  • SHA256

    505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78

  • SHA512

    35ca5d7566d7b656d3843c555311324ac3f7173a36a331e522e4886ff41dda0d7e803feb57bd617c57bcb81bdffc62971afc512bf2d49f010e968a8bb14cf3ce

  • SSDEEP

    12288:tt7kvCaWgLfmVJik+ZUbCPGCrtGhtu7STpJE:ttoCaWgLfwi5ZR9Ghtu7

Malware Config

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • 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 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
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment Receipt 00000762511.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Receipt 00000762511.pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4188
    • 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\Payment Receipt 00000762511.pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1412
    • C:\Users\Admin\AppData\Local\Temp\Payment Receipt 00000762511.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Receipt 00000762511.pdf.exe"
      2⤵
        PID:2132
      • C:\Users\Admin\AppData\Local\Temp\Payment Receipt 00000762511.pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\Payment Receipt 00000762511.pdf.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2976

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qm1teo1f.jbc.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1412-51-0x0000000007910000-0x00000000079A6000-memory.dmp

      Filesize

      600KB

    • memory/1412-50-0x0000000007700000-0x000000000770A000-memory.dmp

      Filesize

      40KB

    • memory/1412-30-0x0000000005DF0000-0x0000000005E56000-memory.dmp

      Filesize

      408KB

    • memory/1412-31-0x0000000005E60000-0x0000000005EC6000-memory.dmp

      Filesize

      408KB

    • memory/1412-59-0x00000000749E0000-0x0000000075190000-memory.dmp

      Filesize

      7.7MB

    • memory/1412-56-0x00000000079B0000-0x00000000079B8000-memory.dmp

      Filesize

      32KB

    • memory/1412-55-0x00000000079D0000-0x00000000079EA000-memory.dmp

      Filesize

      104KB

    • memory/1412-54-0x00000000078D0000-0x00000000078E4000-memory.dmp

      Filesize

      80KB

    • memory/1412-53-0x00000000078C0000-0x00000000078CE000-memory.dmp

      Filesize

      56KB

    • memory/1412-52-0x0000000007890000-0x00000000078A1000-memory.dmp

      Filesize

      68KB

    • memory/1412-49-0x0000000007690000-0x00000000076AA000-memory.dmp

      Filesize

      104KB

    • memory/1412-12-0x0000000002A40000-0x0000000002A76000-memory.dmp

      Filesize

      216KB

    • memory/1412-14-0x0000000005650000-0x0000000005C78000-memory.dmp

      Filesize

      6.2MB

    • memory/1412-48-0x0000000007CD0000-0x000000000834A000-memory.dmp

      Filesize

      6.5MB

    • memory/1412-47-0x0000000007360000-0x0000000007403000-memory.dmp

      Filesize

      652KB

    • memory/1412-32-0x0000000005ED0000-0x0000000006224000-memory.dmp

      Filesize

      3.3MB

    • memory/1412-18-0x00000000749E0000-0x0000000075190000-memory.dmp

      Filesize

      7.7MB

    • memory/1412-46-0x0000000006930000-0x000000000694E000-memory.dmp

      Filesize

      120KB

    • memory/1412-36-0x0000000070720000-0x000000007076C000-memory.dmp

      Filesize

      304KB

    • memory/1412-29-0x00000000055F0000-0x0000000005612000-memory.dmp

      Filesize

      136KB

    • memory/1412-35-0x0000000007320000-0x0000000007352000-memory.dmp

      Filesize

      200KB

    • memory/1412-34-0x00000000063A0000-0x00000000063EC000-memory.dmp

      Filesize

      304KB

    • memory/1412-17-0x00000000749E0000-0x0000000075190000-memory.dmp

      Filesize

      7.7MB

    • memory/1412-33-0x0000000006360000-0x000000000637E000-memory.dmp

      Filesize

      120KB

    • memory/2976-63-0x0000000006FA0000-0x0000000007162000-memory.dmp

      Filesize

      1.8MB

    • memory/2976-62-0x0000000006D80000-0x0000000006DD0000-memory.dmp

      Filesize

      320KB

    • memory/2976-60-0x00000000749E0000-0x0000000075190000-memory.dmp

      Filesize

      7.7MB

    • memory/2976-19-0x00000000749E0000-0x0000000075190000-memory.dmp

      Filesize

      7.7MB

    • memory/2976-11-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2976-15-0x00000000749E0000-0x0000000075190000-memory.dmp

      Filesize

      7.7MB

    • memory/2976-61-0x00000000749E0000-0x0000000075190000-memory.dmp

      Filesize

      7.7MB

    • memory/4188-16-0x00000000749E0000-0x0000000075190000-memory.dmp

      Filesize

      7.7MB

    • memory/4188-10-0x000000000A4B0000-0x000000000A54C000-memory.dmp

      Filesize

      624KB

    • memory/4188-4-0x00000000749E0000-0x0000000075190000-memory.dmp

      Filesize

      7.7MB

    • memory/4188-9-0x0000000006AA0000-0x0000000006B08000-memory.dmp

      Filesize

      416KB

    • memory/4188-8-0x00000000749E0000-0x0000000075190000-memory.dmp

      Filesize

      7.7MB

    • memory/4188-7-0x00000000749EE000-0x00000000749EF000-memory.dmp

      Filesize

      4KB

    • memory/4188-6-0x0000000005830000-0x0000000005840000-memory.dmp

      Filesize

      64KB

    • memory/4188-5-0x0000000005530000-0x000000000553A000-memory.dmp

      Filesize

      40KB

    • memory/4188-1-0x0000000000AB0000-0x0000000000B36000-memory.dmp

      Filesize

      536KB

    • memory/4188-0-0x00000000749EE000-0x00000000749EF000-memory.dmp

      Filesize

      4KB

    • memory/4188-3-0x0000000005580000-0x0000000005612000-memory.dmp

      Filesize

      584KB

    • memory/4188-2-0x0000000005C60000-0x0000000006204000-memory.dmp

      Filesize

      5.6MB