Analysis

  • max time kernel
    172s
  • max time network
    188s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 12:05

General

  • Target

    0283be7d16a9605bb176ffa3ca09f84f80cd6bb725acb01177b5f0ae0fe6d98b.exe

  • Size

    120KB

  • MD5

    415dc9abdc5da99f2babb7650efa9ed6

  • SHA1

    74719963f147beebde816ae0973d87c7ba7f9c57

  • SHA256

    0283be7d16a9605bb176ffa3ca09f84f80cd6bb725acb01177b5f0ae0fe6d98b

  • SHA512

    c3872afb8581c32387a1231a971c2d209f402de30c36d67c05deeb0f12ba47247f34f78fe68925725081f88626074140a0fd23b2bdbd60c4f6c4b203240157cc

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 3 IoCs
  • 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\0283be7d16a9605bb176ffa3ca09f84f80cd6bb725acb01177b5f0ae0fe6d98b.exe
    "C:\Users\Admin\AppData\Local\Temp\0283be7d16a9605bb176ffa3ca09f84f80cd6bb725acb01177b5f0ae0fe6d98b.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1520
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3512
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0283be7d16a9605bb176ffa3ca09f84f80cd6bb725acb01177b5f0ae0fe6d98b.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:696
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1812
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3640
  • 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:3488
  • 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:1720

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    23483eb354c76ae9fddba402d48cd09a

    SHA1

    4d0f2eedb4f240b86b4b41ff5230111df89b9527

    SHA256

    12bc74d90a92b0dddf0c909b77b3ae84c32c19ab270e3508f5a5fdb41d64e847

    SHA512

    edf7f944e8186dc029e37b6526685514c7b494a39283b4bded98e952d238746c4f903d5eda42b91c4e4ed45aca31b611dc6f2fdc5ddcc5c9cba7e87914f2c4f9

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

    23483eb354c76ae9fddba402d48cd09a

    SHA1

    4d0f2eedb4f240b86b4b41ff5230111df89b9527

    SHA256

    12bc74d90a92b0dddf0c909b77b3ae84c32c19ab270e3508f5a5fdb41d64e847

    SHA512

    edf7f944e8186dc029e37b6526685514c7b494a39283b4bded98e952d238746c4f903d5eda42b91c4e4ed45aca31b611dc6f2fdc5ddcc5c9cba7e87914f2c4f9

  • memory/1520-132-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB