Analysis

  • max time kernel
    163s
  • max time network
    177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 07:26

General

  • Target

    0d9ba37571db8035e4e5f6b5dea8bdc60b10ebc7f254db4c214af458001510db.exe

  • Size

    58KB

  • MD5

    0c4b059fb6ad821f1280efa961ae41d6

  • SHA1

    75e983285219ad60ff51db654635607aac694e2b

  • SHA256

    0d9ba37571db8035e4e5f6b5dea8bdc60b10ebc7f254db4c214af458001510db

  • SHA512

    f9095e7fed437ddb080c2fe5fcc68a76c79fbbddbae4ec617d0fdd4645656100cbd6a9420f8961956a14d50608bfae4a98e66cf7796f2c79f714bba355c3ae16

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 49 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\0d9ba37571db8035e4e5f6b5dea8bdc60b10ebc7f254db4c214af458001510db.exe
    "C:\Users\Admin\AppData\Local\Temp\0d9ba37571db8035e4e5f6b5dea8bdc60b10ebc7f254db4c214af458001510db.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2996
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:224
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0d9ba37571db8035e4e5f6b5dea8bdc60b10ebc7f254db4c214af458001510db.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3336
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3632
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3936
  • 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:700
  • 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:3752

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    35fd3dac687401331504d9940c6adfa0

    SHA1

    e7a92ff5d508299ee75d81bec1dcb2cb72084383

    SHA256

    aabf998e990fba85cce8cd79e1ebcacf17bd98beba1f243368ba5d219fe11239

    SHA512

    e3b1bdc58066e8ccbda8ee673d235c0fdd82b0bb9bff0f53c6a62143872459c8c833c6ff4d66d4e81dda38bde3081b47402d16564a3764e8eae47c46582bdad9

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

    MD5

    35fd3dac687401331504d9940c6adfa0

    SHA1

    e7a92ff5d508299ee75d81bec1dcb2cb72084383

    SHA256

    aabf998e990fba85cce8cd79e1ebcacf17bd98beba1f243368ba5d219fe11239

    SHA512

    e3b1bdc58066e8ccbda8ee673d235c0fdd82b0bb9bff0f53c6a62143872459c8c833c6ff4d66d4e81dda38bde3081b47402d16564a3764e8eae47c46582bdad9