Analysis

  • max time kernel
    145s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    12-02-2022 08:31

General

  • Target

    0aed49ba83a9a59ff05bdb87baba383583385befb8c052690f263d640c024810.exe

  • Size

    216KB

  • MD5

    b5954577c3cac5b8e7b53afdbe1a61ac

  • SHA1

    df82dd8a7a3768e0036a78d4ddb4a8cdc20dc3af

  • SHA256

    0aed49ba83a9a59ff05bdb87baba383583385befb8c052690f263d640c024810

  • SHA512

    9e49c1d39d3a2a8bfce36aea285ab209673630a1ea3cb88ceb26fc95ab18427241352311ee8837c984edcb83bcef36b9e4ce2e76e5b869f0bd5af2fa0ae6bdc3

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 4 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\0aed49ba83a9a59ff05bdb87baba383583385befb8c052690f263d640c024810.exe
    "C:\Users\Admin\AppData\Local\Temp\0aed49ba83a9a59ff05bdb87baba383583385befb8c052690f263d640c024810.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:288
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1664
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0aed49ba83a9a59ff05bdb87baba383583385befb8c052690f263d640c024810.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:432
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1996

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    06fdb6b94d7da46ae022ca0070f0b943

    SHA1

    57a5b98e007def1294ee3e64816e5e17e2261d3c

    SHA256

    751e5139cd59cd70fa4abc155203b7ddca7e67a12cda23c2b7abe574e2b24bf6

    SHA512

    2b9da18b78c822197fb5fd7aa5e8a4053b75d146b3ef3710544e024367d2cd877ba01d8c0f268ea06ce0053d04eba0cc565c068afa0730b2db15c99c5e89bcbc

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

    06fdb6b94d7da46ae022ca0070f0b943

    SHA1

    57a5b98e007def1294ee3e64816e5e17e2261d3c

    SHA256

    751e5139cd59cd70fa4abc155203b7ddca7e67a12cda23c2b7abe574e2b24bf6

    SHA512

    2b9da18b78c822197fb5fd7aa5e8a4053b75d146b3ef3710544e024367d2cd877ba01d8c0f268ea06ce0053d04eba0cc565c068afa0730b2db15c99c5e89bcbc

  • memory/288-54-0x0000000075D61000-0x0000000075D63000-memory.dmp
    Filesize

    8KB

  • memory/288-58-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1664-59-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB