Analysis

  • max time kernel
    142s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    27/04/2022, 10:25

General

  • Target
    ff766cdd10083147250eabfcaa76bebb.exe
  • Size 572KB
  • Sample220427-mfylaafcep
  • SHA256 6dcb58ae937b9194609ef51a11f945abb7b82d9f10e032bbef2fda12ee96e6db
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Family
  • xloader

Version
  • 2.5

Campaign
  • r87g

Decoy
  • gzjyjzsj.com

  • rapibest.com

  • affordablebathroomsbyfrank.net

  • roboruben.com

  • xn--dlisucr-byag.com

  • encoreasso.com

  • piscire.com

  • dixiebusybee.com

  • newrome.xyz

  • sunshinejon.com

  • glacierforfcs.xyz

  • borhanmarket.com

  • tous-des-cons.club

  • hsfstea.com

  • spiniform.info

  • vaicomfibra.com

  • shinigami.xyz

  • kryptoindia.com

  • listentoappetite.com

  • securepplpay.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ff766cdd10083147250eabfcaa76bebb.exe
    "C:\Users\Admin\AppData\Local\Temp\ff766cdd10083147250eabfcaa76bebb.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2204
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nofaYQfZLH.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1384
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nofaYQfZLH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3DE4.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3332
    • C:\Users\Admin\AppData\Local\Temp\ff766cdd10083147250eabfcaa76bebb.exe
      "C:\Users\Admin\AppData\Local\Temp\ff766cdd10083147250eabfcaa76bebb.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:652

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp3DE4.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp3DE4.tmp
        • Size 1KB
        • SHA256 ca1b16e099b463ac48326c39b4a6960523644fee3b48ea23648d71c39f617010
        • MD5 SHA1 SHA512

        memory/652-145-0x00000000019A0000-0x0000000001CEA000-memory.dmp

        memory/652-142-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/1384-150-0x0000000007AB0000-0x000000000812A000-memory.dmp

        memory/1384-156-0x00000000074E0000-0x00000000074E8000-memory.dmp

        memory/1384-155-0x00000000077A0000-0x00000000077BA000-memory.dmp

        memory/1384-138-0x0000000002810000-0x0000000002846000-memory.dmp

        memory/1384-154-0x0000000007440000-0x000000000744E000-memory.dmp

        memory/1384-140-0x0000000005280000-0x00000000058A8000-memory.dmp

        memory/1384-153-0x00000000076E0000-0x0000000007776000-memory.dmp

        memory/1384-152-0x00000000074B0000-0x00000000074BA000-memory.dmp

        memory/1384-143-0x0000000005180000-0x00000000051A2000-memory.dmp

        memory/1384-144-0x0000000005A60000-0x0000000005AC6000-memory.dmp

        memory/1384-151-0x00000000072E0000-0x00000000072FA000-memory.dmp

        memory/1384-146-0x0000000005AF0000-0x0000000005B0E000-memory.dmp

        memory/1384-147-0x0000000007300000-0x0000000007332000-memory.dmp

        memory/1384-148-0x0000000071440000-0x000000007148C000-memory.dmp

        memory/1384-149-0x0000000006570000-0x000000000658E000-memory.dmp

        memory/2204-135-0x0000000008DA0000-0x0000000008E06000-memory.dmp

        memory/2204-131-0x0000000005980000-0x0000000005F24000-memory.dmp

        memory/2204-132-0x00000000053D0000-0x0000000005462000-memory.dmp

        memory/2204-133-0x0000000005330000-0x000000000533A000-memory.dmp

        memory/2204-134-0x0000000008A70000-0x0000000008B0C000-memory.dmp

        memory/2204-130-0x00000000008D0000-0x0000000000962000-memory.dmp