Analysis

  • max time kernel
    173s
  • max time network
    179s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 11:31

General

  • Target

    0430a366d8632121a8a56264b30c8805bfcf2e7cded87a7f03799e94e9a77eb5.exe

  • Size

    60KB

  • MD5

    96de5d7d87207a6d3b8af0fd693a90c3

  • SHA1

    314b9b35a92d4e23eeda7d03b74bd62526f44370

  • SHA256

    0430a366d8632121a8a56264b30c8805bfcf2e7cded87a7f03799e94e9a77eb5

  • SHA512

    24d8bc31f38015f15a5f28e54030bc80c3217ac101ba331ca733196984071e6b91bf27c37af48ab24ae037afc8232eb3ff1a10a5d400680df7702825530136e0

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 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\0430a366d8632121a8a56264b30c8805bfcf2e7cded87a7f03799e94e9a77eb5.exe
    "C:\Users\Admin\AppData\Local\Temp\0430a366d8632121a8a56264b30c8805bfcf2e7cded87a7f03799e94e9a77eb5.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3140
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3636
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0430a366d8632121a8a56264b30c8805bfcf2e7cded87a7f03799e94e9a77eb5.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3520
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2188
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3788
  • 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:1972
  • 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:3468

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    9b331a71fafacd1880825bee20295b1f

    SHA1

    b49026787c3f90d3bb21c615c74747606072b5eb

    SHA256

    9bac9ffd5b3e6dcc804e1b37c38225ad9572e3d38320f090a3021812f651aa4d

    SHA512

    6ff13a82ee546c3d7f6bbfb12c0c2e84761b2a54b3a30b56c52d4920dce5e69e44aae55a32a7c11f7a449cb92e7122703dbde0cd7939bfdc5c6b48b08838e82c

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

    9b331a71fafacd1880825bee20295b1f

    SHA1

    b49026787c3f90d3bb21c615c74747606072b5eb

    SHA256

    9bac9ffd5b3e6dcc804e1b37c38225ad9572e3d38320f090a3021812f651aa4d

    SHA512

    6ff13a82ee546c3d7f6bbfb12c0c2e84761b2a54b3a30b56c52d4920dce5e69e44aae55a32a7c11f7a449cb92e7122703dbde0cd7939bfdc5c6b48b08838e82c