Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    20-09-2023 01:42

General

  • Target

    6f0c4424cc7e35b379e69a6e6d553baf.exe

  • Size

    46KB

  • MD5

    6f0c4424cc7e35b379e69a6e6d553baf

  • SHA1

    bf35bbf6c015b3a9d5498e6998e5269a6c129629

  • SHA256

    e97941f812323e05ba4e83b138e8bb794b88efcd56980d07313b5acc965b2661

  • SHA512

    8dcddb5a2de347344141797adcf46dff3b880e716130a8c23b5b626f14f16afb85d752071ee9a2fd3fee04007a99849866fd84c2cb61ab21dcf097cd7a943507

  • SSDEEP

    768:oDFYuu3i50AOO0jhTlg4dPyLjavI7BnVI3ZTLZhoEI6b8WPmyc5:oDdMikjgaPyLjaw7I35Nb8smyc5

Malware Config

Extracted

Family

sapphire

C2

https://api.telegram.org/bot6228811625:AAHLiy2oFkwv-27FAk5KqltothFkPnNRSL8/sendMessage?chat_id=

Attributes
  • payload_url

    https://cdn.discordapp.com/attachments/1023018120211869706/1082072513267380274/DotNetZip.dll

Signatures

  • Sapphire Ransomware

    French-language ransomware and stealer identified in May 2020 written in C#.

  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6f0c4424cc7e35b379e69a6e6d553baf.exe
    "C:\Users\Admin\AppData\Local\Temp\6f0c4424cc7e35b379e69a6e6d553baf.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2420
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2420 -s 992
      2⤵
      • Program crash
      PID:2992

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2420-0-0x0000000000F30000-0x0000000000F42000-memory.dmp

    Filesize

    72KB

  • memory/2420-1-0x00000000744B0000-0x0000000074B9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2420-2-0x0000000000BD0000-0x0000000000C10000-memory.dmp

    Filesize

    256KB

  • memory/2420-3-0x00000000744B0000-0x0000000074B9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2420-4-0x0000000000BD0000-0x0000000000C10000-memory.dmp

    Filesize

    256KB