Overview

overview

10

Static

static

10

09cb2cdc7e...5a.exe

windows7_x64

10

09cb2cdc7e...5a.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    158s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    12-02-2022 09:31

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General

  • Target

    09cb2cdc7ef74e6fdc62ebdcfef6553307772353327068b796c407b521f0ef5a.exe

  • Size

    150KB

  • MD5

    f5641633208327ce7c3d8f1be3f86f30

  • SHA1

    22bfcce9f617d6b985d16f93bdbee764872fe869

  • SHA256

    09cb2cdc7ef74e6fdc62ebdcfef6553307772353327068b796c407b521f0ef5a

  • SHA512

    c883533e5579d6c1497bee984e2fea02129e5998f1222b1e334782d73dabc24829d17fd67858c5572a38b01ea79445e6609a6369bc222af18f7a41fe2e252e6e

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\09cb2cdc7ef74e6fdc62ebdcfef6553307772353327068b796c407b521f0ef5a.exe
    "C:\Users\Admin\AppData\Local\Temp\09cb2cdc7ef74e6fdc62ebdcfef6553307772353327068b796c407b521f0ef5a.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3772
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:5008
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\09cb2cdc7ef74e6fdc62ebdcfef6553307772353327068b796c407b521f0ef5a.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3768
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3472
  • 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:4248
  • 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:740

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    d5a06ba5ab065b3aa8732832dcfdd6a1

    SHA1

    b072ca7ae3dc751ecb9f28a7f8a738af8ef48872

    SHA256

    1ea946a0ff7f1a1c1000241db145a10c213330927ae08004ce6ad22c300973b6

    SHA512

    ea3c038ea0492fcadd8684314f0d1b1d28e62c9bef5053b7540b8e149d18a51d280a3cdf9200901dba94ed86a567431cbf6dfc6f84c82231c5f2f83c5e0140f6

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

    d5a06ba5ab065b3aa8732832dcfdd6a1

    SHA1

    b072ca7ae3dc751ecb9f28a7f8a738af8ef48872

    SHA256

    1ea946a0ff7f1a1c1000241db145a10c213330927ae08004ce6ad22c300973b6

    SHA512

    ea3c038ea0492fcadd8684314f0d1b1d28e62c9bef5053b7540b8e149d18a51d280a3cdf9200901dba94ed86a567431cbf6dfc6f84c82231c5f2f83c5e0140f6

    Download Submit
  • memory/4248-132-0x000001D6C7620000-0x000001D6C7630000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4248-133-0x000001D6C7680000-0x000001D6C7690000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4248-134-0x000001D6C9D50000-0x000001D6C9D54000-memory.dmp
    Filesize

    16KB

    Download