Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    01/05/2024, 03:36

General

  • Target
    Fattura 00384788-0849838.pdf.exe
  • Size 867KB
  • Sample240501-d5zefafa2s
  • SHA256 a2deb60615b3bd20beeb9253547a41c0a970139bfb59d9f88854b8b61880ead1
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • CTB-Locker

    Ransomware family which uses Tor to hide its C2 communications.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 6 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Drops file in System32 directory 64 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 2 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 23 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k DcomLaunch
    1⤵
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Modifies data under HKEY_USERS
    • Suspicious use of WriteProcessMemory
    PID:608
    • C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
      2⤵
        PID:2972
      • C:\Windows\system32\wbem\wmiprvse.exe
        C:\Windows\system32\wbem\wmiprvse.exe -Embedding
        2⤵
          PID:472
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          2⤵
            PID:2900
        • C:\Windows\Explorer.EXE
          C:\Windows\Explorer.EXE
          1⤵
          • Sets desktop wallpaper using registry
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of UnmapMainImage
          PID:1176
          • C:\Users\Admin\AppData\Local\Temp\Fattura 00384788-0849838.pdf.exe
            "C:\Users\Admin\AppData\Local\Temp\Fattura 00384788-0849838.pdf.exe"
            2⤵
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • Drops file in Windows directory
            • Suspicious use of WriteProcessMemory
            PID:2020
            • C:\Users\Admin\AppData\Local\Temp\Fattura 00384788-0849838.pdf.exe
              "C:\Users\Admin\AppData\Local\Temp\Fattura 00384788-0849838.pdf.exe"
              3⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:2412
        • C:\Windows\system32\taskeng.exe
          taskeng.exe {776AD8FF-DEAB-4B13-958F-817EB82DEDAE} S-1-5-18:NT AUTHORITY\System:Service:
          1⤵
          • Suspicious use of WriteProcessMemory
          PID:1784
          • C:\Users\Admin\AppData\Local\Temp\ppxpdxm.exe
            C:\Users\Admin\AppData\Local\Temp\ppxpdxm.exe
            2⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Drops file in System32 directory
            • Suspicious use of SetThreadContext
            • Drops file in Windows directory
            • Suspicious use of WriteProcessMemory
            PID:2596
            • C:\Users\Admin\AppData\Local\Temp\ppxpdxm.exe
              C:\Users\Admin\AppData\Local\Temp\ppxpdxm.exe
              3⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:2208
              • C:\Windows\SysWOW64\vssadmin.exe
                vssadmin delete shadows all
                4⤵
                • Interacts with shadow copies
                PID:1688
              • C:\Users\Admin\AppData\Local\Temp\ppxpdxm.exe
                "C:\Users\Admin\AppData\Local\Temp\ppxpdxm.exe" -u
                4⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Drops file in System32 directory
                • Suspicious use of SetThreadContext
                • Drops file in Windows directory
                • Suspicious use of WriteProcessMemory
                PID:1004
                • C:\Users\Admin\AppData\Local\Temp\ppxpdxm.exe
                  "C:\Users\Admin\AppData\Local\Temp\ppxpdxm.exe" -u
                  5⤵
                  • Checks computer location settings
                  • Executes dropped EXE
                  • Modifies Internet Explorer settings
                  • Suspicious use of FindShellTrayWindow
                  • Suspicious use of SendNotifyMessage
                  • Suspicious use of SetWindowsHookEx
                  PID:2184

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              pefdnyl

              • Path C:\ProgramData\Package Cache\pefdnyl
              • Size 654B
              • SHA256 9cd3ac21515593daf155040e2303bfb5890e7bd78b539ea477831ff5c0f6a007
              • MD5 SHA1 SHA512

              pefdnyl

              • Path C:\ProgramData\Package Cache\pefdnyl
              • Size 654B
              • SHA256 dc49554b635f445a70e03c976b9366191e4cf74c68bbed5aaf5f32bf5ccdfc96
              • MD5 SHA1 SHA512

              pefdnyl

              • Path C:\ProgramData\Package Cache\pefdnyl
              • Size 654B
              • SHA256 e9d8e03050661c7c700c3b85f0ff25226666eb6558aefefbad43e123a7a42034
              • MD5 SHA1 SHA512

              ppxpdxm.exe

              • Path C:\Users\Admin\AppData\Local\Temp\ppxpdxm.exe
              • Size 867KB
              • SHA256 a2deb60615b3bd20beeb9253547a41c0a970139bfb59d9f88854b8b61880ead1
              • MD5 SHA1 SHA512 SSDEEP

              LICENSE_en_US.TXT

              • Path C:\Users\Admin\AppData\Roaming\LICENSE_en_US.TXT
              • Size 2KB
              • SHA256 f8dfac00ca2636f16dbb824c1626a607308bb582356fb736d1ee3f5f2656d861
              • MD5 SHA1 SHA512

              README_kn_IN.TXT

              • Path C:\Users\Admin\AppData\Roaming\README_kn_IN.TXT
              • Size 409B
              • SHA256 56c2ecc106829db1020d48fe49a4802a4ee24875a8a873fff86ff0c413a3e226
              • MD5 SHA1 SHA512

              default_hash.JS

              • Path C:\Users\Admin\AppData\Roaming\default_hash.JS
              • Size 136B
              • SHA256 c062646586359c92950920a9e5a51bcec73afeb863dc01337a88adadc789f05e
              • MD5 SHA1 SHA512

              setup.ISS

              • Path C:\Users\Admin\AppData\Roaming\setup.ISS
              • Size 241B
              • SHA256 f19b204261a5524ed3f5204fbd01d91f06fe1b2181b2fa2c2c7629ccb4e54b16
              • MD5 SHA1 SHA512

              16ps.png

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\16ps.png
              • Size 1KB
              • SHA256 1db3153d2c1b66a5aa3c5c8ee0a2f0d8adf71990ffd2da63ce9c7c2908458927
              • MD5 SHA1 SHA512

              25.svg

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\25.svg
              • Size 1KB
              • SHA256 c5bec41cf09f196558dd562dc223fade4c6de35cb01846dc7decb7a9db4e13df
              • MD5 SHA1 SHA512

              49-sansserif.conf

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\49-sansserif.conf
              • Size 545B
              • SHA256 ac32c6de350ff1c7945c31bf55eb89aa00c2198f65c92f89479f552dbce82090
              • MD5 SHA1 SHA512

              BMY brown 2.ADO

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\BMY brown 2.ADO
              • Size 524B
              • SHA256 3b5723d413242c064941312f3e94c1910d1f7bacd8ebf9fe79350312b26869db
              • MD5 SHA1 SHA512

              Bosun.mNa

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Bosun.mNa
              • Size 654KB
              • SHA256 28143daded82e3ff63a4817c41673edd0b238df525f318522d3fcff17a11c556
              • MD5 SHA1 SHA512 SSDEEP

              ExampleXML2PDF.java

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\ExampleXML2PDF.java
              • Size 3KB
              • SHA256 89e2920f8db4cca778fdfb791679dc41384d23ca1f259864a7e44c6344111f11
              • MD5 SHA1 SHA512

              GMT+8

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\GMT+8
              • Size 27B
              • SHA256 7422b2a82603f03d711b7ac7a9bebe5d1e4d9307cd283ce3d2714af46362f934
              • MD5 SHA1 SHA512

              LoadLayers.exv

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\LoadLayers.exv
              • Size 2KB
              • SHA256 8bdc2217774cd4020407a6aef6133418d60eae8c6d490ba5be7b7de408f38b01
              • MD5 SHA1 SHA512

              PSNormalMap.hlsl

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\PSNormalMap.hlsl
              • Size 2KB
              • SHA256 10e37b82c1d586bec4904f08bf0cb4da91cbb11dc32b0f3db2cb37a82bcde228
              • MD5 SHA1 SHA512

              P_AutoAlign_Interactive_87x38.png

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\P_AutoAlign_Interactive_87x38.png
              • Size 3KB
              • SHA256 4cfc1dcf51bc4604d352adc3ee0aa9fde3525ef3ad70ca98f0d0afead72a7ed3
              • MD5 SHA1 SHA512

              SequenceFrequency.mm

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\SequenceFrequency.mm
              • Size 2KB
              • SHA256 c64eece461357e0478ddb1e600b6ffbd9cb298d041324c6a2b090663785ac461
              • MD5 SHA1 SHA512

              South_Georgia

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\South_Georgia
              • Size 27B
              • SHA256 9e971632a3e9860a15af04efec3a9d5af9e7220cd4a731c3d9262d00670496a5
              • MD5 SHA1 SHA512

              Sydney

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Sydney
              • Size 1KB
              • SHA256 2240e44b8c1b3518ee8e6df2cc3a8b358c5f49fdbc361bfb47ded8dbcc689c98
              • MD5 SHA1 SHA512

              Warm Gray 11 bl 3.ADO

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Warm Gray 11 bl 3.ADO
              • Size 524B
              • SHA256 ddfc65799a5e931f389bd3bf730d9ffe83dd16c30dd361e80731601ede0a7124
              • MD5 SHA1 SHA512

              Windows.act

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Windows.act
              • Size 768B
              • SHA256 a15e9392b2f59d20b29227282ab7c50ccd4623d5492a832b888ee23003de75cc
              • MD5 SHA1 SHA512

              brzphon.env

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\brzphon.env
              • Size 3KB
              • SHA256 e88f27a4940ed4a45f1ad1482329537e352abbce2b7451ac41952d39ca3ef1c9
              • MD5 SHA1 SHA512

              f20.png

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\f20.png
              • Size 1KB
              • SHA256 2c6380476304086e7fe8ef898df2895056970b178cb29d50ebfa8e1039f4eb5b
              • MD5 SHA1 SHA512

              g1_1366 x 768 px 72 ppi.IMZ

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\g1_1366 x 768 px 72 ppi.IMZ
              • Size 46B
              • SHA256 52c130792c694a3ceacc73a1e3ab9ee5cfd41bdb06823823a94be762ef802ac1
              • MD5 SHA1 SHA512

              g2_Letter 8.5 x 11 in 300 dpi.IMZ

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\g2_Letter 8.5 x 11 in 300 dpi.IMZ
              • Size 46B
              • SHA256 2798675ce2702d03c99a831e3794f40d08271ccf74856383c41601aa0dd6f502
              • MD5 SHA1 SHA512

              green 3405 bl 4.ADO

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\green 3405 bl 4.ADO
              • Size 524B
              • SHA256 ac62d53f68d8bd4ad1d69af7b1a642d3ea73533d6200ad1d0cb8df40f6f77bd3
              • MD5 SHA1 SHA512

              green 349 bl 1.ADO

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\green 349 bl 1.ADO
              • Size 524B
              • SHA256 82020a2103aa444d0b44638ee2666fa3f077af7b5dda85433607d871d103fc39
              • MD5 SHA1 SHA512

              htmlhelp.title.xml

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\htmlhelp.title.xml
              • Size 937B
              • SHA256 56f0bd0419454ac218d7dfee67ebd9abf96495d95785ea1dd0d925a847c6134f
              • MD5 SHA1 SHA512

              htmlhelp.use.hhk.xml

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\htmlhelp.use.hhk.xml
              • Size 1KB
              • SHA256 8f38b404a14d0d0c4420f8af95cc70466495c0ce867da0408261fc266bc7e0d0
              • MD5 SHA1 SHA512

              inventory_3.png

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\inventory_3.png
              • Size 1KB
              • SHA256 4a2755378a7f529311806b2fec26ab149f01221dcc3ae61460b43825323e8587
              • MD5 SHA1 SHA512

              manifest.xml

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\manifest.xml
              • Size 988B
              • SHA256 20f49e604c474b22df60237e9ca35ff4841f3da254df1c8063b1608a890d7dc5
              • MD5 SHA1 SHA512

              page.width.xml

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\page.width.xml
              • Size 1KB
              • SHA256 a5d7e99658f9ee81da1a1c6386c1a9df1a2b5a73fa0eac3490e4b2d07a38857f
              • MD5 SHA1 SHA512

              pass.png

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\pass.png
              • Size 4KB
              • SHA256 987e1548b25af83905ba12a5b8ccf4be56d667c00c3847b9f44706007841da7d
              • MD5 SHA1 SHA512 SSDEEP

              qanda.title.level2.properties.xml

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\qanda.title.level2.properties.xml
              • Size 1KB
              • SHA256 8f79032a7554d1042b03749dc6cf949b1a5d5ee6794bb9131e0bd345faf42e2f
              • MD5 SHA1 SHA512

              qanda.title.level3.properties.xml

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\qanda.title.level3.properties.xml
              • Size 1KB
              • SHA256 eae13222d4ec9dee48885b2d5f317fcb035eb1b7bc4657e8accd1b6c311f7287
              • MD5 SHA1 SHA512

              refentry.separator.xml

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\refentry.separator.xml
              • Size 942B
              • SHA256 efd53017d472ec0550417fbba9f2b714d1a8e8c53da0e842d5b0f9ce000d2f45
              • MD5 SHA1 SHA512

              root.properties.xml

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\root.properties.xml
              • Size 1KB
              • SHA256 8f630944991fa6f5ef473fb922bf8478f454da639a339aca464aec744953ec2f
              • MD5 SHA1 SHA512

              slvphon.env

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\slvphon.env
              • Size 4KB
              • SHA256 1440cdcb9bf73c19e4187b049a8bba9f6c399babe029215e373b0c96fcab2ee2
              • MD5 SHA1 SHA512 SSDEEP

              tweakBIOSDriversFirmwareUpdate_ru.p5p

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\tweakBIOSDriversFirmwareUpdate_ru.p5p
              • Size 963B
              • SHA256 15c3586e2ab722251f06d00574e168f44c39f72b061e61a3e0185bc7663739d6
              • MD5 SHA1 SHA512

              use.id.as.filename.xml

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\use.id.as.filename.xml
              • Size 992B
              • SHA256 d47d6b8a47a45b84474c4fa42448d16bf3eae5a212795aedc56e69e0d48ce09d
              • MD5 SHA1 SHA512

              use.role.as.xrefstyle.xml

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\use.role.as.xrefstyle.xml
              • Size 3KB
              • SHA256 b8b1a7636310b25663d2aa408f39135e4de44be018c80b9261152c6319afd262
              • MD5 SHA1 SHA512

              xslthl-config.xml

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\xslthl-config.xml
              • Size 1KB
              • SHA256 2839673abc0eac4ebd829d6db25ca91f7d86244abced98f72acc2e1e7618a354
              • MD5 SHA1 SHA512

              zy______.pfm

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\zy______.pfm
              • Size 684B
              • SHA256 1a5660f3f8bb9d18fd6a710d70af26cf1e167fe040d7daf3ce41e527236e1fec
              • MD5 SHA1 SHA512

              System.dll

              • Path \Users\Admin\AppData\Local\Temp\nsy1F83.tmp\System.dll
              • Size 11KB
              • SHA256 44e5dfd551b38e886214bd6b9c8ee913c4c4d1f085a6575d97c3e892b925da82
              • MD5 SHA1 SHA512 SSDEEP

              NsResize.dll

              • Path \Users\Admin\AppData\Roaming\NsResize.dll
              • Size 60KB
              • SHA256 ef2d114896f07fc20aed5c3045754de0103813aa31bedb188262cec6fb3263dd
              • MD5 SHA1 SHA512 SSDEEP

              memory/608-162-0x0000000000160000-0x00000000001D7000-memory.dmp

              memory/608-176-0x0000000000160000-0x00000000001D7000-memory.dmp

              memory/608-170-0x0000000000160000-0x00000000001D7000-memory.dmp

              memory/608-161-0x0000000000160000-0x00000000001D7000-memory.dmp

              memory/608-172-0x0000000000160000-0x00000000001D7000-memory.dmp

              memory/608-165-0x0000000000160000-0x00000000001D7000-memory.dmp

              memory/608-168-0x0000000000160000-0x00000000001D7000-memory.dmp

              memory/608-1406-0x0000000000160000-0x00000000001D7000-memory.dmp

              memory/608-164-0x0000000000160000-0x00000000001D7000-memory.dmp

              memory/1004-1541-0x00000000004F0000-0x0000000000500000-memory.dmp

              memory/2020-62-0x0000000000530000-0x0000000000540000-memory.dmp

              memory/2184-1553-0x0000000000950000-0x0000000000B9B000-memory.dmp

              memory/2184-1554-0x0000000000950000-0x0000000000B9B000-memory.dmp

              memory/2208-149-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

              memory/2208-1418-0x00000000008C0000-0x0000000000B0B000-memory.dmp

              memory/2208-1429-0x00000000008C0000-0x0000000000B0B000-memory.dmp

              memory/2208-158-0x00000000008C0000-0x0000000000B0B000-memory.dmp

              memory/2412-75-0x0000000000400000-0x00000000004A4600-memory.dmp

              memory/2412-65-0x0000000000400000-0x00000000004A5000-memory.dmp

              memory/2412-71-0x0000000000400000-0x00000000004A5000-memory.dmp

              memory/2412-69-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

              memory/2412-67-0x0000000000400000-0x00000000004A5000-memory.dmp

              memory/2412-74-0x00000000006F0000-0x000000000090A000-memory.dmp

              memory/2412-73-0x0000000000400000-0x00000000004A5000-memory.dmp

              memory/2412-76-0x0000000000910000-0x0000000000B5B000-memory.dmp

              memory/2596-142-0x00000000004D0000-0x00000000004E0000-memory.dmp