Overview

overview

10

Static

static

10

09e5b79d2c...33.exe

windows7_x64

10

09e5b79d2c...33.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    156s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    12-02-2022 09:29

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General

  • Target

    09e5b79d2c0bd54d55c9b53779c817b0479d811eef512d2b8efb8d3cb6d88333.exe

  • Size

    216KB

  • MD5

    99c98e88b064f33c2014dfb6c136ca66

  • SHA1

    4010616210d9a0c2965548ce1ca76fe5e6580265

  • SHA256

    09e5b79d2c0bd54d55c9b53779c817b0479d811eef512d2b8efb8d3cb6d88333

  • SHA512

    c159ee34a0d3eb8e5f969cddcf1649d50970fd44f0930bc65bb6855626dbe03d1fe3857f3de755356e309998c7f5363ad30b33d4d521b0092c35a8c7b1de5fb0

Score
10/10
sakulapersistenceratsuricatatrojan

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

    trojanratsakula
  • Sakula Payload 4 IoCs
  • suricata: ET MALWARE SUSPICIOUS UA (iexplore)

    suricata: ET MALWARE SUSPICIOUS UA (iexplore)

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

    suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

    suricata
  • 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
    persistence
  • Drops file in Windows directory 8 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • 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\09e5b79d2c0bd54d55c9b53779c817b0479d811eef512d2b8efb8d3cb6d88333.exe
    "C:\Users\Admin\AppData\Local\Temp\09e5b79d2c0bd54d55c9b53779c817b0479d811eef512d2b8efb8d3cb6d88333.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:764
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:4500
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\09e5b79d2c0bd54d55c9b53779c817b0479d811eef512d2b8efb8d3cb6d88333.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2528
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3108
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:1508
  • 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:1448

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    e168eba93cfaf20c02a82d98b6c75b39

    SHA1

    62dc714b96cd991d602640c70fd8b9bc4cc182ed

    SHA256

    b9343f2e99cb69986897b8de05c823a80396477a1dbfc87120345620907a0e16

    SHA512

    7b8567155ddb780dcbb3f9bbe218680e9c06961713c827ce090075dda8a32e9d9f8c1a20aff7561be066c051b445733522c8d44b77af875834fc51c67f09f9b7

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

    e168eba93cfaf20c02a82d98b6c75b39

    SHA1

    62dc714b96cd991d602640c70fd8b9bc4cc182ed

    SHA256

    b9343f2e99cb69986897b8de05c823a80396477a1dbfc87120345620907a0e16

    SHA512

    7b8567155ddb780dcbb3f9bbe218680e9c06961713c827ce090075dda8a32e9d9f8c1a20aff7561be066c051b445733522c8d44b77af875834fc51c67f09f9b7

    Download Submit
  • memory/764-135-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

    Download
  • memory/1508-132-0x0000023BDF530000-0x0000023BDF540000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1508-133-0x0000023BDF590000-0x0000023BDF5A0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1508-134-0x0000023BE2290000-0x0000023BE2294000-memory.dmp
    Filesize

    16KB

    Download
  • memory/4500-136-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

    Download