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Analysis

  • max time kernel
    127s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/09/2024, 16:49

General

  • Target

    quotation.pdf.exe

  • Size

    584KB

  • MD5

    cae995edd90312264f9faa534874894f

  • SHA1

    2a71f016765dc5fa825ca1f437e1df02c32611a0

  • SHA256

    5226c6707f7f1430f49c6c7cd637375b00004be37d815d82804257a8ca563841

  • SHA512

    6bd8c914fbdc8b04bdf12a8a60eb61324e4e06dfdd7525d29418c861247dda366e367992afd4d285a15b8ca71df5d28ddc1056cb91df3d9d1461c888bce8d594

  • SSDEEP

    12288:HrLfSC/W39Rfyyii2nYUNm8AEr8aNZibViwt5XHF:LLbcyyii2nYUm8AErTsiw5V

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6086388911:AAGHpITQe4oLJhzRR86O2JB3Tmd1xG2gIqM/sendMessage?chat_id=1932526247

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 2 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.

  • 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 5 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\quotation.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\quotation.pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4488
    • 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\quotation.pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1984
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VBwlAonrdTz.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4132
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VBwlAonrdTz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC709.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1552
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_o2hrvr4h.opk.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpC709.tmp

    Filesize

    1KB

    MD5

    845f769e4fca73d46df0122c36f2f910

    SHA1

    887705f4db06b437e8825e376a97135f85f6ff20

    SHA256

    b812ef48ff46fa88a4e1fbd924ae42a67d500a282cd42471a6ad2c947d86903a

    SHA512

    5ab1a3de9af922d3e6a8763ee26bea676015a10a2edd91036f3b01dd415cb3e065e9cc079ac605d25c85637c47f9e65d177529f3a9fb313d00dfd39e1c525149

  • memory/916-88-0x0000000006970000-0x0000000006B32000-memory.dmp

    Filesize

    1.8MB

  • memory/916-87-0x0000000006750000-0x00000000067A0000-memory.dmp

    Filesize

    320KB

  • memory/916-44-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1984-42-0x0000000006390000-0x00000000066E4000-memory.dmp

    Filesize

    3.3MB

  • memory/1984-51-0x0000000007A70000-0x0000000007AA2000-memory.dmp

    Filesize

    200KB

  • memory/1984-86-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/1984-82-0x0000000007F10000-0x0000000007F18000-memory.dmp

    Filesize

    32KB

  • memory/1984-79-0x0000000007E20000-0x0000000007E2E000-memory.dmp

    Filesize

    56KB

  • memory/1984-77-0x0000000007E70000-0x0000000007F06000-memory.dmp

    Filesize

    600KB

  • memory/1984-15-0x0000000005320000-0x0000000005356000-memory.dmp

    Filesize

    216KB

  • memory/1984-16-0x0000000005A00000-0x0000000006028000-memory.dmp

    Filesize

    6.2MB

  • memory/1984-17-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/1984-18-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/1984-76-0x0000000007C60000-0x0000000007C6A000-memory.dmp

    Filesize

    40KB

  • memory/1984-75-0x0000000008240000-0x00000000088BA000-memory.dmp

    Filesize

    6.5MB

  • memory/1984-52-0x0000000070D60000-0x0000000070DAC000-memory.dmp

    Filesize

    304KB

  • memory/1984-73-0x0000000007AC0000-0x0000000007B63000-memory.dmp

    Filesize

    652KB

  • memory/1984-63-0x0000000007A50000-0x0000000007A6E000-memory.dmp

    Filesize

    120KB

  • memory/1984-48-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/1984-21-0x0000000006130000-0x0000000006196000-memory.dmp

    Filesize

    408KB

  • memory/1984-22-0x00000000061A0000-0x0000000006206000-memory.dmp

    Filesize

    408KB

  • memory/1984-20-0x0000000005900000-0x0000000005922000-memory.dmp

    Filesize

    136KB

  • memory/4132-74-0x0000000007960000-0x000000000797A000-memory.dmp

    Filesize

    104KB

  • memory/4132-80-0x0000000007BB0000-0x0000000007BC4000-memory.dmp

    Filesize

    80KB

  • memory/4132-49-0x0000000006650000-0x000000000666E000-memory.dmp

    Filesize

    120KB

  • memory/4132-85-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/4132-81-0x0000000007CB0000-0x0000000007CCA000-memory.dmp

    Filesize

    104KB

  • memory/4132-46-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/4132-50-0x00000000066E0000-0x000000000672C000-memory.dmp

    Filesize

    304KB

  • memory/4132-78-0x0000000007B70000-0x0000000007B81000-memory.dmp

    Filesize

    68KB

  • memory/4132-60-0x0000000070D60000-0x0000000070DAC000-memory.dmp

    Filesize

    304KB

  • memory/4132-41-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/4132-43-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/4488-3-0x0000000004D00000-0x0000000004D92000-memory.dmp

    Filesize

    584KB

  • memory/4488-4-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/4488-10-0x0000000008CB0000-0x0000000008D4C000-memory.dmp

    Filesize

    624KB

  • memory/4488-6-0x0000000006690000-0x00000000066A0000-memory.dmp

    Filesize

    64KB

  • memory/4488-9-0x00000000061E0000-0x0000000006248000-memory.dmp

    Filesize

    416KB

  • memory/4488-5-0x0000000004DD0000-0x0000000004DDA000-memory.dmp

    Filesize

    40KB

  • memory/4488-8-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/4488-47-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/4488-7-0x000000007487E000-0x000000007487F000-memory.dmp

    Filesize

    4KB

  • memory/4488-0-0x000000007487E000-0x000000007487F000-memory.dmp

    Filesize

    4KB

  • memory/4488-2-0x00000000053C0000-0x0000000005964000-memory.dmp

    Filesize

    5.6MB

  • memory/4488-1-0x00000000002A0000-0x0000000000338000-memory.dmp

    Filesize

    608KB