Analysis

  • max time kernel
    108s
  • max time network
    112s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-11-2024 21:17

General

  • Target

    7a329ca71bf6e1b67e4a525429d5176b3dbc6b1709f02e1f643220c036017cbfN.exe

  • Size

    89KB

  • MD5

    d428c6faf1aa8e4948d52da342014e80

  • SHA1

    c6a3780dfb87552b655ff0ad2d214576780d71ed

  • SHA256

    7a329ca71bf6e1b67e4a525429d5176b3dbc6b1709f02e1f643220c036017cbf

  • SHA512

    53987c1438437f48ba426cf93a50659e9f009fda3fbbbc151084b3e222689cb9bfd449c7a59bca6433f91611967fe69b13a779d21ab61b178f363a64574e6762

  • SSDEEP

    1536:PQFl29mEkE0L1rDEKrxZKF2zf9g2Pl7W/MwbxMX+ees52z30rtrF:w29DkEGRQixVSjLaes5G30Bp

Malware Config

Extracted

Family

sakula

C2

www.polarroute.com

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula family
  • Sakula payload 1 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
  • 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\7a329ca71bf6e1b67e4a525429d5176b3dbc6b1709f02e1f643220c036017cbfN.exe
    "C:\Users\Admin\AppData\Local\Temp\7a329ca71bf6e1b67e4a525429d5176b3dbc6b1709f02e1f643220c036017cbfN.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:2976
    • 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:4120
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\7a329ca71bf6e1b67e4a525429d5176b3dbc6b1709f02e1f643220c036017cbfN.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:1740
      • 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:3820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    89KB

    MD5

    587be15f25342286b79b77ded04d35d8

    SHA1

    3ce031b31ceff80f9c088be7911a918921b0b91b

    SHA256

    70aa0bf0ebf1b18c428f0da6f3dc9193566d50ee7c952428e3f845157cdc0301

    SHA512

    d1a9c03efab36ffae3933b45e7d3fbefca8c74ebe0747234144f3efa1e1856bed8f7efc1f34b5a167f3744b0f29106c75427f45038a24fd2bee8eefcc22b8c55