Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    14-03-2022 10:22

General

  • Target

    QT190682062.js

  • Size

    866KB

  • MD5

    1a57814ee69545a677531e30491458f6

  • SHA1

    2e4339114802ceb6f34077dfe27a39b4dfe2e595

  • SHA256

    d808f56ae1df3f713475eeffac403cec3bc405e90c5aac6bda3209b87d2a7345

  • SHA512

    6d96dbde544b60f44514f5f362a08fccd5469255fb9bc66c5b05dc0851987934d83482c2fbd6026193e49e93a6c76d48e004592bcd9fb9a28c889b706d408eb9

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

qatv

Decoy

sexycurvycool.com

webundefinedstaging.website

gaspeehaze.com

adomnaturals.com

best10canadianreviews.info

nikekogan.com

5537sbishop.info

khonnaisoi.com

cures8t.com

garthoaks.com

belvederepharmagroup.com

chivo.plus

qishanlin.top

ccjon1.com

biz-financeagency.com

bdqimeng88.top

3-little-pigs.com

ord13route.art

webku-trial.xyz

ncgf28.xyz

Signatures

  • Vjw0rm

    Vjw0rm is a remote access trojan written in JavaScript.

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 4 IoCs
  • Blocklisted process makes network request 16 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 62 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3028
    • C:\Windows\system32\wscript.exe
      wscript.exe C:\Users\Admin\AppData\Local\Temp\QT190682062.js
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:2256
      • C:\Windows\System32\wscript.exe
        "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\AiaxYKzLrg.js"
        3⤵
        • Blocklisted process makes network request
        • Drops startup file
        • Adds Run key to start application
        PID:3740
      • C:\Users\Admin\AppData\Local\Temp\bin.exe
        "C:\Users\Admin\AppData\Local\Temp\bin.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:4412
    • C:\Windows\SysWOW64\wlanext.exe
      "C:\Windows\SysWOW64\wlanext.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4852
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\bin.exe"
        3⤵
          PID:4340

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      d2bc603d4e0e7011f2b8ba93bcd75293

      SHA1

      9fb2540d65441714cfcf7e4cc2432a96255f1f6d

      SHA256

      c70b39662e04b20fb68d78b0dc45694b6cc9c564c7c0535c286ee37fd1730d4b

      SHA512

      49835fc13efa9406fb7d7b85247013f45eeaa3e3cd9d1ae2a5c867f9231afae08c1051799b3b137f79476065035bedf5953d999da12e43a761dc369dfe90956b

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

      d2bc603d4e0e7011f2b8ba93bcd75293

      SHA1

      9fb2540d65441714cfcf7e4cc2432a96255f1f6d

      SHA256

      c70b39662e04b20fb68d78b0dc45694b6cc9c564c7c0535c286ee37fd1730d4b

      SHA512

      49835fc13efa9406fb7d7b85247013f45eeaa3e3cd9d1ae2a5c867f9231afae08c1051799b3b137f79476065035bedf5953d999da12e43a761dc369dfe90956b

    • C:\Users\Admin\AppData\Roaming\AiaxYKzLrg.js
      MD5

      6262e524b30c6a58c36ed159871a60c0

      SHA1

      82e5b80c6c1092b6b7ec1360af65b6256666fb07

      SHA256

      48a168f6a0f5ec1b8cabe07ca6a8e7d17e875c676d8eb9658c23b54dbed8f223

      SHA512

      f5d5ac85b0922822d30a8bf8d68d3f69866926a68a45bb2dc2b8ea189012554ce45fec183eafea6169913249f59bc39f4d40d6361d3da8e5a04420e08acfbf1d

    • memory/3028-136-0x0000000002C60000-0x0000000002D0F000-memory.dmp
      Filesize

      700KB

    • memory/3028-141-0x00000000080B0000-0x0000000008170000-memory.dmp
      Filesize

      768KB

    • memory/4412-133-0x0000000001740000-0x0000000001A8A000-memory.dmp
      Filesize

      3.3MB

    • memory/4412-134-0x00000000005F0000-0x0000000000619000-memory.dmp
      Filesize

      164KB

    • memory/4412-135-0x00000000016D0000-0x00000000016E1000-memory.dmp
      Filesize

      68KB

    • memory/4852-137-0x0000000000180000-0x0000000000197000-memory.dmp
      Filesize

      92KB

    • memory/4852-138-0x0000000000850000-0x0000000000879000-memory.dmp
      Filesize

      164KB

    • memory/4852-139-0x0000000000FD0000-0x000000000131A000-memory.dmp
      Filesize

      3.3MB

    • memory/4852-140-0x0000000000D60000-0x0000000000DF0000-memory.dmp
      Filesize

      576KB