Analysis

  • max time kernel
    159s
  • max time network
    177s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    12-02-2022 11:15

General

  • Target

    04daf5ab168d8d07e9b8d4f7d07d88b0425c8cc7288b2cf92c65a5b21eda984f.exe

  • Size

    150KB

  • MD5

    226d29af0c0e1696b63548223b75c576

  • SHA1

    911878e64a3b0f6fd2dc4de44e059cbf48aab20f

  • SHA256

    04daf5ab168d8d07e9b8d4f7d07d88b0425c8cc7288b2cf92c65a5b21eda984f

  • SHA512

    f1dbfba619c4870695d012f64d5a2b590b2e36ccb3aa82ff1592a5c2cf8a3d85ccd5a52e0a8f5da5ee2876877fccfbf55c04030d1fa3ed2dfa6cbf066e92e232

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 2 IoCs
  • suricata: ET MALWARE SUSPICIOUS UA (iexplore)

    suricata: ET MALWARE SUSPICIOUS UA (iexplore)

  • suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

    suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 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). Likely ransomware behaviour.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\04daf5ab168d8d07e9b8d4f7d07d88b0425c8cc7288b2cf92c65a5b21eda984f.exe
    "C:\Users\Admin\AppData\Local\Temp\04daf5ab168d8d07e9b8d4f7d07d88b0425c8cc7288b2cf92c65a5b21eda984f.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:952
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1100
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\04daf5ab168d8d07e9b8d4f7d07d88b0425c8cc7288b2cf92c65a5b21eda984f.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1664
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1200

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    MD5

    47aff9b611154893b8722d1e6e58bf73

    SHA1

    706fd0e9506c2a9a938af23c9614d67fe10f5818

    SHA256

    f69c9dde10399a57145d7fb72216aba33c5f26a0b01548c342e54496bbc4172c

    SHA512

    c531c23d3db0da9e4e98a40732afbe483a295025ff23a2c91d3a4d7184e40729be7798b3316f7a4a65912f1ebfcfba19c1eeec322144a6e6132a2bc441310620

  • \Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    MD5

    47aff9b611154893b8722d1e6e58bf73

    SHA1

    706fd0e9506c2a9a938af23c9614d67fe10f5818

    SHA256

    f69c9dde10399a57145d7fb72216aba33c5f26a0b01548c342e54496bbc4172c

    SHA512

    c531c23d3db0da9e4e98a40732afbe483a295025ff23a2c91d3a4d7184e40729be7798b3316f7a4a65912f1ebfcfba19c1eeec322144a6e6132a2bc441310620

  • memory/952-54-0x0000000075AB1000-0x0000000075AB3000-memory.dmp
    Filesize

    8KB