Analysis

  • max time kernel
    173s
  • max time network
    189s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 07:52

General

  • Target

    0c70e7a0f19e15cfe807be04fb99e56d127354ab1e075793b68c4b5d94b624c7.exe

  • Size

    216KB

  • MD5

    fef7b29db60e21a8cd60c27c84948f51

  • SHA1

    dc5c47a161c50f9f0837c5af8cdced0c332a2a87

  • SHA256

    0c70e7a0f19e15cfe807be04fb99e56d127354ab1e075793b68c4b5d94b624c7

  • SHA512

    ce5413d8fe055022aa688a76ee554e0d9a0dbf4ddd320df2719ec576ad1ff758f483a83f7a28e995237b29efb683823df8e62665439b4615ebf6b249b282d720

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 3 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
  • 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
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 51 IoCs
  • 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\0c70e7a0f19e15cfe807be04fb99e56d127354ab1e075793b68c4b5d94b624c7.exe
    "C:\Users\Admin\AppData\Local\Temp\0c70e7a0f19e15cfe807be04fb99e56d127354ab1e075793b68c4b5d94b624c7.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3792
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3456
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0c70e7a0f19e15cfe807be04fb99e56d127354ab1e075793b68c4b5d94b624c7.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3416
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3488
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2784
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:3888
  • 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:1012

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    466c42fbfe3e0d7eadc7afe347a584d8

    SHA1

    5d87cf02faa8bf158b654838bf15b71fdc3fb43b

    SHA256

    8e736c2e00bbb439661d4dc8614d4fce0ec72e6246cfec7c5f7a0eab67aad98f

    SHA512

    f7a020f2a706e74a491d908d683ae99e8f9daf56fbf7b3c3917951b104e96640620fdee5d9c9e5e3fdbde7b7c83e06026ca23e58f7e49ade87292ba172583792

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

    MD5

    466c42fbfe3e0d7eadc7afe347a584d8

    SHA1

    5d87cf02faa8bf158b654838bf15b71fdc3fb43b

    SHA256

    8e736c2e00bbb439661d4dc8614d4fce0ec72e6246cfec7c5f7a0eab67aad98f

    SHA512

    f7a020f2a706e74a491d908d683ae99e8f9daf56fbf7b3c3917951b104e96640620fdee5d9c9e5e3fdbde7b7c83e06026ca23e58f7e49ade87292ba172583792

  • memory/3792-132-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB