Analysis

  • max time kernel
    144s
  • max time network
    177s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    14-10-2023 03:40

General

  • Target

    cd64145da6ddb5857039ef96ca9b47d0_JC.exe

  • Size

    42KB

  • MD5

    cd64145da6ddb5857039ef96ca9b47d0

  • SHA1

    75917fb5294498f70f1472aaafab27a892e3e614

  • SHA256

    4e64e96e5f49908f9bd44176dbdd2012e84bb6e7bde72af419ada7e8a17e303a

  • SHA512

    ae2a4586d7881811031e441b1ee62ee7a6bc6bbf1e86679c6ef5b695969e7426f7a6d3fff244a8e6cbcb50e31adf1e8ed76947123f898c79634f6df987329be2

  • SSDEEP

    768:/hSksandb4GgyMsp4hyYtoVxYGm1q+R9cFDBMm:/TsGpehyYtkYvYm9cHMm

Malware Config

Extracted

Family

sakula

C2

http://vpn.premrera.com:443/viewpre.asp?cstring=%s&tom=%d&id=%d

http://vpn.premrera.com:443/photo/%s.jpg?id=%d

http://173.254.226.212:443/viewpre.asp?cstring=%s&tom=%d&id=%d

http://173.254.226.212:443/photo/%s.jpg?id=%d

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cd64145da6ddb5857039ef96ca9b47d0_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\cd64145da6ddb5857039ef96ca9b47d0_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1692
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v "MicroMedia" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2360
      • C:\Windows\SysWOW64\reg.exe
        reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v "MicroMedia" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
        3⤵
        • Adds Run key to start application
        • Modifies registry key
        PID:2740
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 & del "C:\Users\Admin\AppData\Local\Temp\cd64145da6ddb5857039ef96ca9b47d0_JC.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1908
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2756
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1376
      • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
        C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
        3⤵
        • Executes dropped EXE
        PID:2720

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

    Filesize

    42KB

    MD5

    2b95f260ed966ac3570b1aa91283bc51

    SHA1

    19bc62b1bc4b8aea3081823f1b47f11706d0aa2a

    SHA256

    4a924f731de5a9a74ab1ab9413b022ee22c235585b04d13b2927c49a1ed3de04

    SHA512

    06dfb3b36436ace3a4b28ad3cccb1bced843902b2417a661d19ca79afa1602e4b396b2da4c69b1c73f0da112aef06e575e1cd2e896863fca20d92c2129a9e742

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

    Filesize

    42KB

    MD5

    2b95f260ed966ac3570b1aa91283bc51

    SHA1

    19bc62b1bc4b8aea3081823f1b47f11706d0aa2a

    SHA256

    4a924f731de5a9a74ab1ab9413b022ee22c235585b04d13b2927c49a1ed3de04

    SHA512

    06dfb3b36436ace3a4b28ad3cccb1bced843902b2417a661d19ca79afa1602e4b396b2da4c69b1c73f0da112aef06e575e1cd2e896863fca20d92c2129a9e742

  • \Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

    Filesize

    42KB

    MD5

    2b95f260ed966ac3570b1aa91283bc51

    SHA1

    19bc62b1bc4b8aea3081823f1b47f11706d0aa2a

    SHA256

    4a924f731de5a9a74ab1ab9413b022ee22c235585b04d13b2927c49a1ed3de04

    SHA512

    06dfb3b36436ace3a4b28ad3cccb1bced843902b2417a661d19ca79afa1602e4b396b2da4c69b1c73f0da112aef06e575e1cd2e896863fca20d92c2129a9e742

  • \Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

    Filesize

    42KB

    MD5

    2b95f260ed966ac3570b1aa91283bc51

    SHA1

    19bc62b1bc4b8aea3081823f1b47f11706d0aa2a

    SHA256

    4a924f731de5a9a74ab1ab9413b022ee22c235585b04d13b2927c49a1ed3de04

    SHA512

    06dfb3b36436ace3a4b28ad3cccb1bced843902b2417a661d19ca79afa1602e4b396b2da4c69b1c73f0da112aef06e575e1cd2e896863fca20d92c2129a9e742

  • memory/1376-9-0x0000000001EE0000-0x0000000001EEB000-memory.dmp

    Filesize

    44KB

  • memory/1376-6-0x0000000001EE0000-0x0000000001EEB000-memory.dmp

    Filesize

    44KB

  • memory/1376-10-0x0000000001EE0000-0x0000000001EEB000-memory.dmp

    Filesize

    44KB

  • memory/1692-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1692-1-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1692-3-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB