Analysis

  • max time kernel
    164s
  • max time network
    185s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 07:43

General

  • Target

    0cc65d38565c4962796069dccdf8341a13337b4a98fdd0489068fecc8eb36624.exe

  • Size

    60KB

  • MD5

    a80bb2c2d73b08f10531efa5df36fc11

  • SHA1

    d0886e991c17ff013590f4d71c23af50e5e8aad3

  • SHA256

    0cc65d38565c4962796069dccdf8341a13337b4a98fdd0489068fecc8eb36624

  • SHA512

    94ddd460710efac1d428f7f42aeb1b0055f87511867b1bb4ddc0f78351a3d9eeb05dc7f4d0c52a7d5dc7e5eb2bbab26f649cb5d3048760efc2713655d254d3cd

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 54 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\0cc65d38565c4962796069dccdf8341a13337b4a98fdd0489068fecc8eb36624.exe
    "C:\Users\Admin\AppData\Local\Temp\0cc65d38565c4962796069dccdf8341a13337b4a98fdd0489068fecc8eb36624.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3008
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3668
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0cc65d38565c4962796069dccdf8341a13337b4a98fdd0489068fecc8eb36624.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2560
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3820
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2888
  • 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:2240
  • 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:3992

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    85f9fdec4cc268a6ed7dfc664964ac6a

    SHA1

    a2fc8e04d37db4d18efd20cf4ed26f9bf0f0e694

    SHA256

    979d923faa5a16d6677792434d2f0afc2df3796591af847f3dace62a588c84cb

    SHA512

    4e7194c32c94d0fa7c1b7bcbc7397d9e41f3e42fdd855236658bb81260a930f377ad1506aae1e7f8d3a69e8efee5ca54fc60a713cb37f328db154fef4ad505f2

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

    MD5

    85f9fdec4cc268a6ed7dfc664964ac6a

    SHA1

    a2fc8e04d37db4d18efd20cf4ed26f9bf0f0e694

    SHA256

    979d923faa5a16d6677792434d2f0afc2df3796591af847f3dace62a588c84cb

    SHA512

    4e7194c32c94d0fa7c1b7bcbc7397d9e41f3e42fdd855236658bb81260a930f377ad1506aae1e7f8d3a69e8efee5ca54fc60a713cb37f328db154fef4ad505f2