Analysis

  • max time kernel
    143s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-12-2023 10:32

General

  • Target

    078a5da4c145b02ce91f8788232a3615.exe

  • Size

    392KB

  • MD5

    078a5da4c145b02ce91f8788232a3615

  • SHA1

    eb1e1b7f458ff0a2b1cc64f6259e83fd550aa4cf

  • SHA256

    9cf5b7e6c062f3c69bb62aabb2482c874f191db3f73430829c020c89bfcbc86b

  • SHA512

    f3d41a86d516e808c010864b92214c749026f6a47bea20a9471f96ca9c77fc9089783e0b9a84805299436ae3b340619e396ede39b165797fd1ce2f4fb3069370

  • SSDEEP

    6144:M29qRfVSndj30B3wBxE1+ijiBKk3etdgI2MyzNORQtOfl1qNVo7R+S+N/TU7kn5q:0RfQn+w8EYiBlMkn5f9J105L

Malware Config

Extracted

Family

sakula

C2

www.polarroute.com

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • 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\078a5da4c145b02ce91f8788232a3615.exe
    "C:\Users\Admin\AppData\Local\Temp\078a5da4c145b02ce91f8788232a3615.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2892
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\078a5da4c145b02ce91f8788232a3615.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1616
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1788

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\BPK32G26\sznrdvbh438275546[1].htm
    Filesize

    1KB

    MD5

    8d4c07efda188f4ca3290b68b7b5c2b4

    SHA1

    ba392480e4f36eaf02ce8df0e7b3ca86aebbd3ea

    SHA256

    e27b64c9737988f9d6a1bff653e7de7b46c8150133d6b4e9061b70d70dbde8b4

    SHA512

    fbbd1b4596151b13a9de1ed87c37783f2e7519c1e0b7f90fe00cba33a848b538fcb8474d0975fb18568085e81e84053d4ec2f18021fcc76cda68e0b808ed2ef2

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

    392KB

    MD5

    6adfe8fd0a153679ac7d951129e3603d

    SHA1

    ab874591655158e937d5d8ca591536232269de5e

    SHA256

    fedce949175461eab771e04e600f201e5351c272dd47d65ed4b78712cbb098b7

    SHA512

    d0d29ff1a0b01c4594c7f848dec2b0d91608abe8032fe3287510b83b0c28726ee55b4f3871ae1c6cf4f9b26178b6a5a16c347fc8533ac8534ccdd08d230c0ab8

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

    299KB

    MD5

    1118cb771b7b6f206477d4aceca72bbc

    SHA1

    f83e45d616c40db55b3c51946239463b9bd2f231

    SHA256

    f9dd251ca411c4c05ec055a9e7ba0c2bf04674a24abf389013719c938e51a8c0

    SHA512

    04db0956161d79cb9d6a99b68f7d9ce20bed73b51dfdc0925432441f04e48f91b285f6f469b42eac63b4b0c13b63ee857c4176276b47fe0403d065b9c4f4cc4f

  • memory/1680-0-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1680-6-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/2892-4-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB