Analysis

  • max time kernel
    135s
  • 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
    29-11-2024 06:00

General

  • Target

    a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe

  • Size

    140KB

  • MD5

    fbf65d011592fd4f05ef7f91b39283cd

  • SHA1

    6cb4890e4a12ca76f2e583d683b7db04a7ed4714

  • SHA256

    a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39

  • SHA512

    0e4a414cc6a2179dfc286ed5caf2481b576875df4e3f2a49ba2c46ecf92748e589fee95dc6ae8ee894e4d5bfb3db5d0477b38d9f103bbd3eb5e727173cebf867

  • SSDEEP

    1536:6QFl29mEkE0L1rDEKrxZKF2zf9g2Pl7W/MwbxMX+mdz30rtr8gjmy9xNDCkrZ:x29DkEGRQixVSjLa130BYgjmy9T7Z

Malware Config

Extracted

Family

sakula

C2

www.polarroute.com

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula family
  • Sakula payload 5 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\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe
    "C:\Users\Admin\AppData\Local\Temp\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.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:2516
    • 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:3220
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:732
      • 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:1592

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    140KB

    MD5

    db4a9addd35f1fd3bd98ea4786ecc334

    SHA1

    33244b32d8e8bb41029765ca6831debcf35a4f37

    SHA256

    3900d8810a8280b1a5af45ec949e8cae57e044cd163966eadfe4991c47fe9d67

    SHA512

    bfd67807c0f9e251311e0e8e321fbb1d0e0872b6d218686a98996513d9808f8ee1dde20a8de5b51e490016aa7eb7627832c243ffa51848321afad2f10548a1d9

  • memory/2516-0-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/2516-5-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/2516-7-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/3220-6-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB