Analysis

  • max time kernel
    111s
  • max time network
    111s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-01-2025 23:41

General

  • Target

    b8fd17cf3dad945379eb580381bddd94a2214c14be07e6eb3c9776c1ce69faa1N.exe

  • Size

    63KB

  • MD5

    b2406a5869c86a778542e30100450f20

  • SHA1

    c28c66e8540f8e586dd26be7d43c40734fec1cdb

  • SHA256

    b8fd17cf3dad945379eb580381bddd94a2214c14be07e6eb3c9776c1ce69faa1

  • SHA512

    0a1be9de11c2470e5ccd308631aec3255a41bddd715e04f261020b9b8b69365d25e9b476c563db99cb2aebe73890ed0fab41ab3e305a2c93468ca4a734f2f04e

  • SSDEEP

    1536:zoxBP0D61Oj3+5FdOa52C8pdo95j6hZ2MzNDCkrN:0PPUj3+5FMIn8To94wa7N

Malware Config

Extracted

Family

sakula

C2

www.polarroute.com

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula family
  • Sakula payload 3 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 5 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\b8fd17cf3dad945379eb580381bddd94a2214c14be07e6eb3c9776c1ce69faa1N.exe
    "C:\Users\Admin\AppData\Local\Temp\b8fd17cf3dad945379eb580381bddd94a2214c14be07e6eb3c9776c1ce69faa1N.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:868
    • 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:3900
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\b8fd17cf3dad945379eb580381bddd94a2214c14be07e6eb3c9776c1ce69faa1N.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2928
      • 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:4888

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    63KB

    MD5

    949a93dbb5d8066d63d3a61741b6fe1e

    SHA1

    94ab593f14ab8d4c4bf11c5576d1f91f4a6563b4

    SHA256

    59252ee376461ba370760ed39d5e1d58c24cdb59a3eab09f7a04df0bec41fff3

    SHA512

    55fd7e0c7ef8ce3e4129ec058ffb200e2f6b0247087122ca38dc54aa1c7f1ff64c655d4caf199a35ec90754c1f1cc80de859e93583f0029237bf3e0105ba8978

  • memory/868-0-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/868-9-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/868-17-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/3900-11-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB