Analysis

  • max time kernel
    140s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2024 23:13

General

  • Target

    74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe

  • Size

    41KB

  • MD5

    76de094cd441c636cc3467e242d7a29a

  • SHA1

    ded3cbfd2c986813880770f489f964564b0a089d

  • SHA256

    74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47

  • SHA512

    c5599ad14c9f731c42af912ed41f860c4a3d047b5c61195ad0bd08613fbd451befc6b5e12746882de8f8719e7e6cf53ae64672faa4a8aef4d6a745f330716973

  • SSDEEP

    768:9zpVJi5kPTIukEYpcHOZ6rFSBZxkXNVkSXtfgn3JkcBwQoabJF7nbcuyD7Um:N/JKiMLE9bOq5fgn6Ozoaz7nouy8m

Malware Config

Extracted

Family

sakula

C2

www.polarroute.com

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula family
  • Sakula payload 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe
    "C:\Users\Admin\AppData\Local\Temp\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1964
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:920
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:4816
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:3684

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    41KB

    MD5

    004676954a29f7b7bb56bf948d557f0a

    SHA1

    67ff46a764d57dfcc0c1cd16d4cf3fec61d5d6fe

    SHA256

    6422f81ff46da7d9be3567f0badc3af3a5796558e948f2273fd3277368a5d180

    SHA512

    6763453bfd663f35f2385048264c9b054102f97e5a72147292ba6c40326dc66730516135827aded121207892f131b8d4a017e104763cc75dc26bb2112722b083

  • memory/920-5-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/920-8-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/920-21-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1964-0-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1964-6-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1964-14-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB