Analysis

  • max time kernel
    168s
  • max time network
    174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 04:40

General

  • Target

    14d1d6a9e13497be8abae3b9f31971794b5eb4a788f73e3568e16e119a2033f9.exe

  • Size

    60KB

  • MD5

    2aeff98e885f9a0c40b3b9815cfac6ab

  • SHA1

    32e2ff29afd92dc7bab2f1d1316a6a6fb5705d63

  • SHA256

    14d1d6a9e13497be8abae3b9f31971794b5eb4a788f73e3568e16e119a2033f9

  • SHA512

    83496a254ff0f164488708c30af4769dca6373ab0443ca4d7642dfffdba04ac84a38eb1a86a198262db773ed28f7b9bcdb894cb5dfbac62806910416b62b007d

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • 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 50 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\14d1d6a9e13497be8abae3b9f31971794b5eb4a788f73e3568e16e119a2033f9.exe
    "C:\Users\Admin\AppData\Local\Temp\14d1d6a9e13497be8abae3b9f31971794b5eb4a788f73e3568e16e119a2033f9.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1752
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:4012
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\14d1d6a9e13497be8abae3b9f31971794b5eb4a788f73e3568e16e119a2033f9.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3608
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2356
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:1904
  • 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:552
  • 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:2540

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    4483a876d1220808a8d51bc79af754f7

    SHA1

    ba57a9f5a3bd7af599223f3b747bc636e367a96c

    SHA256

    2ef2dac1101814cf0a3df8628d5bd15356a7f48b542702cb727d22fc934b13dc

    SHA512

    606efc077fd1e2ed5b8d61c9fc3fcfc1d887b6448421d7f2e36aac8b20bf0a565f961c788b7c49e38af80a87b782411388a7322fb26d55f6ce7b8559da384f97

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

    MD5

    4483a876d1220808a8d51bc79af754f7

    SHA1

    ba57a9f5a3bd7af599223f3b747bc636e367a96c

    SHA256

    2ef2dac1101814cf0a3df8628d5bd15356a7f48b542702cb727d22fc934b13dc

    SHA512

    606efc077fd1e2ed5b8d61c9fc3fcfc1d887b6448421d7f2e36aac8b20bf0a565f961c788b7c49e38af80a87b782411388a7322fb26d55f6ce7b8559da384f97