Analysis

  • max time kernel
    157s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 09:54

General

  • Target

    08a271ddc6eec71758ae2a2de7c6cd35efd56e12c737768fa60777e884d7d10b.exe

  • Size

    101KB

  • MD5

    cfe32cd97d3b59c8e6500e31eaefbee8

  • SHA1

    04d0c28b9da72b6419e88d45332fea71a5ae05d0

  • SHA256

    08a271ddc6eec71758ae2a2de7c6cd35efd56e12c737768fa60777e884d7d10b

  • SHA512

    2f9b5c0a71880a9bd3ff2dd161bc5e249d218d68ed2603e98c5d771462c235b4858b3c20f7c79a3c13dca554aafb5398847fc581bcb8dc76a4d2044b9fd653c9

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 2 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 47 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\08a271ddc6eec71758ae2a2de7c6cd35efd56e12c737768fa60777e884d7d10b.exe
    "C:\Users\Admin\AppData\Local\Temp\08a271ddc6eec71758ae2a2de7c6cd35efd56e12c737768fa60777e884d7d10b.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3064
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1576
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\08a271ddc6eec71758ae2a2de7c6cd35efd56e12c737768fa60777e884d7d10b.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3984
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:4084
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2356
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Modifies data under HKEY_USERS
    PID:2028
  • 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:2068

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    edb3e8a66f3d1d09ea72537583f29183

    SHA1

    a4510aa704d79ab66ff4371217d6b9fc77e7df58

    SHA256

    09319210c6bf4974b100469e4126d18b2c4967c540fa44b2ec809df7d70d62bd

    SHA512

    8299d024a8b83d8bbcd485444fd562a97e12dd6004a335d67241878755dd5cc3419df30a8dc248d2e82131f40aabb544c94054629b3eee7ec02578dc7fb71496

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

    edb3e8a66f3d1d09ea72537583f29183

    SHA1

    a4510aa704d79ab66ff4371217d6b9fc77e7df58

    SHA256

    09319210c6bf4974b100469e4126d18b2c4967c540fa44b2ec809df7d70d62bd

    SHA512

    8299d024a8b83d8bbcd485444fd562a97e12dd6004a335d67241878755dd5cc3419df30a8dc248d2e82131f40aabb544c94054629b3eee7ec02578dc7fb71496

  • memory/3064-132-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB