Analysis

  • max time kernel
    146s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 06:28

General

  • Target

    0fe5e04aabc5b555f5817b70c3a5d3e165d6b2b19111deeb2eb3bd07f5d83507.exe

  • Size

    216KB

  • MD5

    7f2866891a309521bab87f1fb3a92fc5

  • SHA1

    e9135bfdf1915cd8488a4306c421f38550e8caea

  • SHA256

    0fe5e04aabc5b555f5817b70c3a5d3e165d6b2b19111deeb2eb3bd07f5d83507

  • SHA512

    7dbc243a1cdef6c8191b5e24ddd789ad1995124ea9906cf2c49b971dc4a65713dd21efaf1d47f4bda3d0ea465e08540b859f92d381be9de725f6d861430915d9

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 3 IoCs
  • suricata: ET MALWARE SUSPICIOUS UA (iexplore)

    suricata: ET MALWARE SUSPICIOUS UA (iexplore)

  • suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

    suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

  • 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\0fe5e04aabc5b555f5817b70c3a5d3e165d6b2b19111deeb2eb3bd07f5d83507.exe
    "C:\Users\Admin\AppData\Local\Temp\0fe5e04aabc5b555f5817b70c3a5d3e165d6b2b19111deeb2eb3bd07f5d83507.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1788
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1964
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0fe5e04aabc5b555f5817b70c3a5d3e165d6b2b19111deeb2eb3bd07f5d83507.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3928
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3768
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:4008
  • 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:3656
  • 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:1516

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    d47570cb540123d7fb739b83a9eb217b

    SHA1

    3d16e7d30025c8fd67aa42052b719e522cfad877

    SHA256

    3c7b4a16a4a0fe573e6fd48f0fcc599c75851d5c224975ff28589a64d231ca12

    SHA512

    7558336906f275cd4cb60aac19a798b641780dde1054eec49cc21c0109febdd8ed1a46b6792d1fadee21441d3c2cab61e22064ae18fea3d5a628550d452c518b

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

    MD5

    d47570cb540123d7fb739b83a9eb217b

    SHA1

    3d16e7d30025c8fd67aa42052b719e522cfad877

    SHA256

    3c7b4a16a4a0fe573e6fd48f0fcc599c75851d5c224975ff28589a64d231ca12

    SHA512

    7558336906f275cd4cb60aac19a798b641780dde1054eec49cc21c0109febdd8ed1a46b6792d1fadee21441d3c2cab61e22064ae18fea3d5a628550d452c518b

  • memory/1788-132-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB