Overview

overview

10

Static

static

10

W1nnerFree CS2.exe

windows7-x64

10

W1nnerFree CS2.exe

windows10-2004-x64

10

$1/1337/Ex...er.exe

windows7-x64

7

$1/1337/Ex...er.exe

windows10-2004-x64

7

$1/1337/MinerMega.exe

windows7-x64

10

$1/1337/MinerMega.exe

windows10-2004-x64

10

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

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General

  • Target
    W1nnerFree CS2.exe
  • Size 21.4MB
  • Sample240219-ljsnrsca98
  • SHA256 0fa48a6368effe6c9373dd34f9f26bf7f0a2050aab330cefc5acc6de5030ecb6
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
loaderbotxmrigloaderminerpersistence

Malware Config

Targets

    • Target
      W1nnerFree CS2.exe
    • Size 21.4MB
    • SHA256 0fa48a6368effe6c9373dd34f9f26bf7f0a2050aab330cefc5acc6de5030ecb6
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    loaderbotxmrigloaderminerpersistence

    • LoaderBot

      LoaderBot is a loader written in .NET downloading and executing miners.

      loaderminerloaderbot

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

      minerxmrig

    • LoaderBot executable

    • XMRig Miner payload

      miner

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2
    • Target
      $1/1337/ExLoader_Installer.exe
    • Size 19.8MB
    • SHA256 f1e92828ebf9e2443f36c03a5a66a4fba4bd8744ecf5bbf59fc69c84d7a95d18
    • MD5 SHA1 SHA512 SSDEEP
    Score
    7/10

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    behavioral3behavioral4
    • Target
      $1/1337/MinerMega.exe
    • Size 4.0MB
    • SHA256 5817eb190e2adfb6b1a8488df5e83cda619969a4ea5cccca282a348ef35d09ad
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    loaderbotxmrigloaderminerpersistence

    • LoaderBot

      LoaderBot is a loader written in .NET downloading and executing miners.

      loaderminerloaderbot

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

      minerxmrig

    • LoaderBot executable

    • XMRig Miner payload

      miner

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral5behavioral6
    • Target
      $PLUGINSDIR/System.dll
    • Size 11KB
    • SHA256 681382f3134de5c6272a49dd13651c8c201b89c247b471191496e7335702fa59
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    behavioral7behavioral8

MITRE ATT&CK Enterprise v15

Tasks