Analysis

  • max time kernel
    169s
  • max time network
    183s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 11:55

General

  • Target

    0302e3d969bd17a024cfa8a2a18063796194cf88a219bf3ee0595a1a11542d9e.exe

  • Size

    35KB

  • MD5

    1a8948893d495f5a630e660df31209ad

  • SHA1

    4f75d74e2faa95937714a8d1881e22a12121979b

  • SHA256

    0302e3d969bd17a024cfa8a2a18063796194cf88a219bf3ee0595a1a11542d9e

  • SHA512

    be803a83db0408a211d79875d8afa748001841224ef125cc866059533590bb05ccf0c3b631554f1dd955e1df4e01bc917124999c06a1b213838c550463c5b3c8

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\0302e3d969bd17a024cfa8a2a18063796194cf88a219bf3ee0595a1a11542d9e.exe
    "C:\Users\Admin\AppData\Local\Temp\0302e3d969bd17a024cfa8a2a18063796194cf88a219bf3ee0595a1a11542d9e.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1020
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1940
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0302e3d969bd17a024cfa8a2a18063796194cf88a219bf3ee0595a1a11542d9e.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2628
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2564
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2112
  • 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:1736
  • 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:3816

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    f31335b442c4e018a635a7a59a68ca19

    SHA1

    1d0c70475ec1c27379aa1799177bc09c01c43046

    SHA256

    d7812e6529a3dcfbceb67476e58c03ec2075d318f6e95fc7854b8ada2adeeacb

    SHA512

    d0a05a788305317fe9c3c65deae914a9eecd20f860589769ebd81f9d877fd49a938344473267704e5e61695051b7e785737c26fdc06920fe241fe29ab42a2002

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

    f31335b442c4e018a635a7a59a68ca19

    SHA1

    1d0c70475ec1c27379aa1799177bc09c01c43046

    SHA256

    d7812e6529a3dcfbceb67476e58c03ec2075d318f6e95fc7854b8ada2adeeacb

    SHA512

    d0a05a788305317fe9c3c65deae914a9eecd20f860589769ebd81f9d877fd49a938344473267704e5e61695051b7e785737c26fdc06920fe241fe29ab42a2002