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Analysis

  • max time kernel
    117s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-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 5 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.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 24 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⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1292
    • 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:2060
    • 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:2380
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VBwlAonrdTz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp81C.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2676
    • 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:2996

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp81C.tmp

    Filesize

    1KB

    MD5

    6f3ba7bb28cecfcda4c23a9b2f6a3fea

    SHA1

    e53aec7e5f54bb9a490ba4d859638d6fc40278ee

    SHA256

    93c5dabba0756cf5bcea9758f845f8d094e8e93d3b4f4d363e7c2ab1d38d01d7

    SHA512

    8876dc0d03fbbb06da6d016de2f0269d7af940dbe25f3e43fb97924a700c02420e1efe1604616072f2d9c87a74e019f1f31628727a5bdc7caba4d01b396f47dd

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    a7022c5b69dd58e795eb3cb22bec14f1

    SHA1

    d6b61462e4dfd8278d75a777b8fafd7cb9f389e3

    SHA256

    6d6f2e70dd199c1d6f6da142a914968028097b87e02dfe4f71d83bfdd2462076

    SHA512

    9285adcccd525f5461d50f4b98822065d814666b55a323c869e7c12fe502aecb556e1a43954a313d390737d32bdab784cfefed4b6f533ff6ac0c92a7defa5317

  • memory/1292-4-0x00000000744DE000-0x00000000744DF000-memory.dmp

    Filesize

    4KB

  • memory/1292-31-0x00000000744D0000-0x0000000074BBE000-memory.dmp

    Filesize

    6.9MB

  • memory/1292-0-0x00000000744DE000-0x00000000744DF000-memory.dmp

    Filesize

    4KB

  • memory/1292-5-0x00000000744D0000-0x0000000074BBE000-memory.dmp

    Filesize

    6.9MB

  • memory/1292-6-0x0000000005070000-0x00000000050D8000-memory.dmp

    Filesize

    416KB

  • memory/1292-2-0x00000000744D0000-0x0000000074BBE000-memory.dmp

    Filesize

    6.9MB

  • memory/1292-1-0x00000000008D0000-0x0000000000968000-memory.dmp

    Filesize

    608KB

  • memory/1292-3-0x0000000000390000-0x00000000003A0000-memory.dmp

    Filesize

    64KB

  • memory/2996-30-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2996-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2996-28-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2996-25-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2996-23-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2996-21-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2996-19-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2996-29-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB