Overview

overview

10

Static

static

10

048c5f3f8b...2b.exe

windows7_x64

10

048c5f3f8b...2b.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    171s
  • max time network
    182s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    12-02-2022 11:22

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General

  • Target

    048c5f3f8b78f8529fa95575ccb0775e7170b2a9d14c4cf4e9005b94b375cf2b.exe

  • Size

    150KB

  • MD5

    f43f6771739037b758b90d4da4c86062

  • SHA1

    da4515da8bd48778fcc88773ea0408873b6337a9

  • SHA256

    048c5f3f8b78f8529fa95575ccb0775e7170b2a9d14c4cf4e9005b94b375cf2b

  • SHA512

    804c6632c01a87f3179885cf6caf606e9c6484723db3a38ab1dd0f610fa3359d46ae272d6fe591f2ccc9db47ddfa4bc7061cd528fabaeb1eb03996d544871757

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\048c5f3f8b78f8529fa95575ccb0775e7170b2a9d14c4cf4e9005b94b375cf2b.exe
    "C:\Users\Admin\AppData\Local\Temp\048c5f3f8b78f8529fa95575ccb0775e7170b2a9d14c4cf4e9005b94b375cf2b.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4648
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:4592
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\048c5f3f8b78f8529fa95575ccb0775e7170b2a9d14c4cf4e9005b94b375cf2b.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4284
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1520
  • 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:4452
  • 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:3096

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    410359bfdd6b973774e9db202d2ea50e

    SHA1

    9e638c0b47c1144f8953c61a8170fff385973107

    SHA256

    30b4a149c51f0c187175cde53aed4aff5ff8866311d1af95dc9cd03d0ffcc152

    SHA512

    86bbc3367f9b2cd0cfc7c4eb095935e647b99574ccb2b62bd2c0f3d6d687ee92338524f821d124008b2e8c095bb157939b92e787c2c31d3bec313acb8c355976

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

    410359bfdd6b973774e9db202d2ea50e

    SHA1

    9e638c0b47c1144f8953c61a8170fff385973107

    SHA256

    30b4a149c51f0c187175cde53aed4aff5ff8866311d1af95dc9cd03d0ffcc152

    SHA512

    86bbc3367f9b2cd0cfc7c4eb095935e647b99574ccb2b62bd2c0f3d6d687ee92338524f821d124008b2e8c095bb157939b92e787c2c31d3bec313acb8c355976

    Download Submit
  • memory/4452-135-0x000001C9F3D60000-0x000001C9F3D70000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4452-136-0x000001C9F4320000-0x000001C9F4330000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4452-137-0x000001C9F69E0000-0x000001C9F69E4000-memory.dmp
    Filesize

    16KB

    Download