Analysis

  • max time kernel
    160s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 07:23

General

  • Target

    0dbe0b854ffb4de62e1c1ff4532d360b60a228207001413f5941117158e9512c.exe

  • Size

    150KB

  • MD5

    3bc375bbe93ee08a461fd1bf42c79b75

  • SHA1

    c04e6a527584761c5b77138c218d1e8be81e08e3

  • SHA256

    0dbe0b854ffb4de62e1c1ff4532d360b60a228207001413f5941117158e9512c

  • SHA512

    c380a6e7d06a89d5e860fb721ae7c998f9ac0b54742169685bced238c1339ef786d363ffe2b6ec5ab35e517c4c5d680d061d432eab6a4626949a8ce3329ae720

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 2 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 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\0dbe0b854ffb4de62e1c1ff4532d360b60a228207001413f5941117158e9512c.exe
    "C:\Users\Admin\AppData\Local\Temp\0dbe0b854ffb4de62e1c1ff4532d360b60a228207001413f5941117158e9512c.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3096
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1340
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0dbe0b854ffb4de62e1c1ff4532d360b60a228207001413f5941117158e9512c.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2104
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1132
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:1292
  • 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:3172
  • 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:2484

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    MD5

    2c91394310d433a4e77402702e29ab7e

    SHA1

    d53919cf2b122eae5454d827557449a2d8c4aedd

    SHA256

    a172d491d94db4b7b43f29a0036da3bdbc5fabe006d13beba2d97b404b864853

    SHA512

    b1788fffb98bc26725661e0803a59b10e015075711b95c44647100c422f2395ffc5f8da3670275b16ea337dbe96959624b778a55c5b23d0a4cb685ffd2d4c419

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

    MD5

    2c91394310d433a4e77402702e29ab7e

    SHA1

    d53919cf2b122eae5454d827557449a2d8c4aedd

    SHA256

    a172d491d94db4b7b43f29a0036da3bdbc5fabe006d13beba2d97b404b864853

    SHA512

    b1788fffb98bc26725661e0803a59b10e015075711b95c44647100c422f2395ffc5f8da3670275b16ea337dbe96959624b778a55c5b23d0a4cb685ffd2d4c419