Overview

overview

10

Static

static

3

oklasd.sfx.exe

windows11-ltsc_2024-x64

8

oklasd.sfx.exe

windows10-2004-x64

10

oklasd.sfx.exe

windows10-ltsc_2021-x64

10

oklasd.sfx.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    oklasd.sfx.exe
  • Size 3.0MB
  • Sample260728-cea4gsee28
  • SHA256 387fe7c028d24ad47a6eeaaead7c3900bcc8faa1f079c338660f7f9b4273e87e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
xmrigadwareminerpersistenceransomwarespywareupx

Malware Config

Targets

    • Target
      oklasd.sfx.exe
    • Size 3.0MB
    • SHA256 387fe7c028d24ad47a6eeaaead7c3900bcc8faa1f079c338660f7f9b4273e87e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    adwarepersistenceransomwarespywareupxxmrigminer

    • Family: xmrig

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

      minerxmrig

    • XMRig Miner payload

      miner

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2behavioral3behavioral4

MITRE ATT&CK Enterprise v16

Tasks