Overview

overview

10

Static

static

10

04ecc72835...b7.exe

windows7_x64

10

04ecc72835...b7.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    141s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    12-02-2022 11:14

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General

  • Target

    04ecc7283516f5ab31a9b62e6fc71f134157fd6a590df9eca4823f9f8cf36bb7.exe

  • Size

    89KB

  • MD5

    6f44ecc0f935d23204e85a90218341a1

  • SHA1

    3603673471766fade5f90cdac304c6247023b382

  • SHA256

    04ecc7283516f5ab31a9b62e6fc71f134157fd6a590df9eca4823f9f8cf36bb7

  • SHA512

    c634e84847334d6027d0428ffb6e55e16b22946204dbc7e7ef079a58a0920afb7d9a7c62e9ef9c07ff8f9c5e55581625c84159be66660b9dfcdf05e374bb5645

Score
10/10
sakulapersistenceratsuricatatrojan

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

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

    suricata: ET MALWARE SUSPICIOUS UA (iexplore)

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

    suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

    suricata
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops file in Windows directory 8 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 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\04ecc7283516f5ab31a9b62e6fc71f134157fd6a590df9eca4823f9f8cf36bb7.exe
    "C:\Users\Admin\AppData\Local\Temp\04ecc7283516f5ab31a9b62e6fc71f134157fd6a590df9eca4823f9f8cf36bb7.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4600
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:4584
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\04ecc7283516f5ab31a9b62e6fc71f134157fd6a590df9eca4823f9f8cf36bb7.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2556
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3244
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:216
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4344

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    c427ca20df62a43d61397f280e306afe

    SHA1

    47492a7fe66d3a017345fc18849402ce3295aa4c

    SHA256

    d3190bfdcdcb706c12aa344d972da4cf157b0fa5036dc88c577e64afe563f164

    SHA512

    0b364f30f2161fe7f2656c9146dcd5e60344e4a55609166d2e81a11ffc76659c902ea0053abb55a67828a7534a6ad48838efc3de097a90d8827d1876e1834dc5

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

    c427ca20df62a43d61397f280e306afe

    SHA1

    47492a7fe66d3a017345fc18849402ce3295aa4c

    SHA256

    d3190bfdcdcb706c12aa344d972da4cf157b0fa5036dc88c577e64afe563f164

    SHA512

    0b364f30f2161fe7f2656c9146dcd5e60344e4a55609166d2e81a11ffc76659c902ea0053abb55a67828a7534a6ad48838efc3de097a90d8827d1876e1834dc5

    Download Submit
  • memory/216-132-0x0000023A9D540000-0x0000023A9D550000-memory.dmp
    Filesize

    64KB

    Download
  • memory/216-133-0x0000023A9D5A0000-0x0000023A9D5B0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/216-134-0x0000023AA02C0000-0x0000023AA02C4000-memory.dmp
    Filesize

    16KB

    Download