Overview

overview

10

Static

static

10

0a8b93b925...85.exe

windows7_x64

10

0a8b93b925...85.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    153s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    12-02-2022 09:16

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General

  • Target

    0a8b93b92572622df76bb8c7df76d431c4f45ac5ab2b40d4a75356f596946085.exe

  • Size

    89KB

  • MD5

    2c6a941e38c300a275ccdad179c6069e

  • SHA1

    e1dfad30182a319ddf3831c24a2dbe883896928f

  • SHA256

    0a8b93b92572622df76bb8c7df76d431c4f45ac5ab2b40d4a75356f596946085

  • SHA512

    d0c0f6d03d6fe855389e423c4c97d2e8697843d0ca9ac876d3e64e5ae64960247dd3fb3679ebc045636f90ebbb28e2d885432d686748f6a035e6ee0f40c8a1b4

Score
10/10
sakulapersistenceratsuricatatrojan

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

    trojanratsakula
  • Sakula Payload 2 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\0a8b93b92572622df76bb8c7df76d431c4f45ac5ab2b40d4a75356f596946085.exe
    "C:\Users\Admin\AppData\Local\Temp\0a8b93b92572622df76bb8c7df76d431c4f45ac5ab2b40d4a75356f596946085.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3344
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2436
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a8b93b92572622df76bb8c7df76d431c4f45ac5ab2b40d4a75356f596946085.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1076
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1040
  • 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:2036
  • 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:4504

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    10ebe139e5d637a405a9edbf7a172bc7

    SHA1

    e7443a080ee56e3f6d76fedf70ff63c032f1ce4a

    SHA256

    bd3a7dc76744b1d2b58cdff6163ddb91217b45a869f2a441460f2b9fa5672ca9

    SHA512

    d3870f06422367aea4bdda787587484346421f2b8c09bd3b60a561f185c28fad000b7fc11de9f78aee2bac39d861bd5e0c98d6742526cc26943d085caa1cdade

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

    10ebe139e5d637a405a9edbf7a172bc7

    SHA1

    e7443a080ee56e3f6d76fedf70ff63c032f1ce4a

    SHA256

    bd3a7dc76744b1d2b58cdff6163ddb91217b45a869f2a441460f2b9fa5672ca9

    SHA512

    d3870f06422367aea4bdda787587484346421f2b8c09bd3b60a561f185c28fad000b7fc11de9f78aee2bac39d861bd5e0c98d6742526cc26943d085caa1cdade

    Download Submit
  • memory/2036-132-0x0000027DD1160000-0x0000027DD1170000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2036-133-0x0000027DD1720000-0x0000027DD1730000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2036-134-0x0000027DD3DD0000-0x0000027DD3DD4000-memory.dmp
    Filesize

    16KB

    Download