Analysis

  • max time kernel
    151s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    30-11-2021 13:00

General

  • Target

    483dbc6a9fc9f1ea132cbd0b82a87919dac672f7.js

  • Size

    917KB

  • MD5

    9a5064b66239184e3b5534a14ea32605

  • SHA1

    483dbc6a9fc9f1ea132cbd0b82a87919dac672f7

  • SHA256

    2ed06b6205da9430586c2b69fb932fc8af44f52e7b0412228dc893b3bce0012c

  • SHA512

    88e73f0d9e12a3cbb7c5486d7fa16f3053ca9a9d6d5deda7ecb31caab0b536a2270cf5a7917a017607b3fe9ffcc1ddf6bbd69b90064272824b933041855b4b6f

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

pzi0

C2

http://www.buffstaff.com/pzi0/

Decoy

laylmodest.com

woruke.club

metaverseslots.net

syscogent.net

aluxxenterprise.com

lm-solar.com

lightempirestore.com

witcheboutique.com

hometech-bosch.xyz

expert-netcad.com

poteconomist.com

mycousinsfriend.biz

shineveranda.com

collegedictionary.cloud

zqlidexx.com

businessesopportunity.com

2utalahs4.com

participatetn.info

dare2ownit.com

varser.com

Signatures

  • Vjw0rm

    Vjw0rm is a remote access trojan written in JavaScript.

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 3 IoCs
  • Blocklisted process makes network request 18 IoCs
  • Executes dropped EXE 3 IoCs
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 48 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2960
    • C:\Windows\system32\wscript.exe
      wscript.exe C:\Users\Admin\AppData\Local\Temp\483dbc6a9fc9f1ea132cbd0b82a87919dac672f7.js
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2412
      • C:\Windows\System32\wscript.exe
        "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\hTOOicUsMY.js"
        3⤵
        • Blocklisted process makes network request
        • Drops startup file
        • Adds Run key to start application
        PID:3444
      • C:\Users\Admin\AppData\Local\Temp\zXi79XK7hDQ1PQi.exe
        "C:\Users\Admin\AppData\Local\Temp\zXi79XK7hDQ1PQi.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3932
        • C:\Users\Admin\AppData\Local\Temp\zXi79XK7hDQ1PQi.exe
          "C:\Users\Admin\AppData\Local\Temp\zXi79XK7hDQ1PQi.exe"
          4⤵
          • Executes dropped EXE
          PID:608
        • C:\Users\Admin\AppData\Local\Temp\zXi79XK7hDQ1PQi.exe
          "C:\Users\Admin\AppData\Local\Temp\zXi79XK7hDQ1PQi.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:1176
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\SysWOW64\netsh.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:704
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\zXi79XK7hDQ1PQi.exe"
        3⤵
          PID:2500

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\zXi79XK7hDQ1PQi.exe

      MD5

      1706b1deca726bc8980e9d80fb0d09ab

      SHA1

      bef590e5a3afdd846c82427207e097c9669f7f00

      SHA256

      1dbaae0380a20352b8f2e1807bc247c4c305aeac9e89b5835b3ae8f1b7804b05

      SHA512

      ba2c29f2bbff746ba7d0a2ce897447b2421b07a3faa8be8ea2e4ca41f30c756939c5a07b62d7a0ede0375d1aa2527833d5bd08dcff379632378f0befcc259713

    • C:\Users\Admin\AppData\Local\Temp\zXi79XK7hDQ1PQi.exe

      MD5

      1706b1deca726bc8980e9d80fb0d09ab

      SHA1

      bef590e5a3afdd846c82427207e097c9669f7f00

      SHA256

      1dbaae0380a20352b8f2e1807bc247c4c305aeac9e89b5835b3ae8f1b7804b05

      SHA512

      ba2c29f2bbff746ba7d0a2ce897447b2421b07a3faa8be8ea2e4ca41f30c756939c5a07b62d7a0ede0375d1aa2527833d5bd08dcff379632378f0befcc259713

    • C:\Users\Admin\AppData\Local\Temp\zXi79XK7hDQ1PQi.exe

      MD5

      1706b1deca726bc8980e9d80fb0d09ab

      SHA1

      bef590e5a3afdd846c82427207e097c9669f7f00

      SHA256

      1dbaae0380a20352b8f2e1807bc247c4c305aeac9e89b5835b3ae8f1b7804b05

      SHA512

      ba2c29f2bbff746ba7d0a2ce897447b2421b07a3faa8be8ea2e4ca41f30c756939c5a07b62d7a0ede0375d1aa2527833d5bd08dcff379632378f0befcc259713

    • C:\Users\Admin\AppData\Local\Temp\zXi79XK7hDQ1PQi.exe

      MD5

      1706b1deca726bc8980e9d80fb0d09ab

      SHA1

      bef590e5a3afdd846c82427207e097c9669f7f00

      SHA256

      1dbaae0380a20352b8f2e1807bc247c4c305aeac9e89b5835b3ae8f1b7804b05

      SHA512

      ba2c29f2bbff746ba7d0a2ce897447b2421b07a3faa8be8ea2e4ca41f30c756939c5a07b62d7a0ede0375d1aa2527833d5bd08dcff379632378f0befcc259713

    • C:\Users\Admin\AppData\Roaming\hTOOicUsMY.js

      MD5

      1a2a06c9b9377f182094c437ccafd3de

      SHA1

      923c7f81f8266f0753d6a7bf9591e06be5c35a4e

      SHA256

      873d6b1b90d36b2bf0be2a34df85fba65c95267a0c07976ec5de4633bbdf4345

      SHA512

      fcf37c4da3e954631997810be27809742a2a88df792f8a54b82ab21ca2a2958b0c5feb2e3497bc70a27050cb9519192304573e0a48d97fd669a4e27943106f84

    • memory/704-138-0x0000000000C70000-0x0000000000C8E000-memory.dmp

      Filesize

      120KB

    • memory/704-140-0x00000000039A0000-0x0000000003CC0000-memory.dmp

      Filesize

      3.1MB

    • memory/704-139-0x0000000000C30000-0x0000000000C59000-memory.dmp

      Filesize

      164KB

    • memory/704-136-0x0000000000000000-mapping.dmp

    • memory/704-141-0x0000000003570000-0x0000000003600000-memory.dmp

      Filesize

      576KB

    • memory/1176-134-0x0000000001450000-0x0000000001461000-memory.dmp

      Filesize

      68KB

    • memory/1176-132-0x00000000018E0000-0x0000000001C00000-memory.dmp

      Filesize

      3.1MB

    • memory/1176-129-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/1176-130-0x000000000041D480-mapping.dmp

    • memory/2500-137-0x0000000000000000-mapping.dmp

    • memory/2960-135-0x0000000005990000-0x0000000005A9D000-memory.dmp

      Filesize

      1.1MB

    • memory/2960-142-0x00000000068A0000-0x0000000006A2E000-memory.dmp

      Filesize

      1.6MB

    • memory/3444-115-0x0000000000000000-mapping.dmp

    • memory/3932-127-0x0000000006300000-0x0000000006301000-memory.dmp

      Filesize

      4KB

    • memory/3932-126-0x0000000005DA0000-0x0000000005DF9000-memory.dmp

      Filesize

      356KB

    • memory/3932-125-0x0000000005D00000-0x0000000005D01000-memory.dmp

      Filesize

      4KB

    • memory/3932-124-0x0000000005840000-0x0000000005841000-memory.dmp

      Filesize

      4KB

    • memory/3932-123-0x0000000005660000-0x0000000005666000-memory.dmp

      Filesize

      24KB

    • memory/3932-122-0x0000000005670000-0x0000000005671000-memory.dmp

      Filesize

      4KB

    • memory/3932-120-0x0000000000C30000-0x0000000000C31000-memory.dmp

      Filesize

      4KB

    • memory/3932-117-0x0000000000000000-mapping.dmp