Analysis

  • max time kernel
    596s
  • max time network
    601s
  • platform
    windows10-1703_x64
  • resource
    win10-20231020-en
  • resource tags

    arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
  • submitted
    30-10-2023 08:53

General

  • Target

    Order Specifications.pdf.htm

  • Size

    127KB

  • MD5

    8d2855d34692cd5417bfd21adbb1634d

  • SHA1

    8f67897cd88b9dfa12f5e45e9df122fb535dc8c6

  • SHA256

    637ecc50435b38915fc3d8bbd7f84133045c838258b343cafac112916053af37

  • SHA512

    0dc734c34b7eb5f377b614af476c8db946917e2a12645404737cd35b833aab97e4a5a3d064878f0444746674fd24c07991a3da051719a352a408246cdd64c6c3

  • SSDEEP

    3072:SgIX4IUtjxktYlaPsM8AK863Srla3Ca/5eYCG4X/Fn8GfXoEhNfyJxsKlR:SnIIUtCuluob3Yha/5eY4vFnhfXkyKlR

Malware Config

Signatures

  • Vjw0rm

    Vjw0rm is a remote access trojan written in JavaScript.

  • Blocklisted process makes network request 64 IoCs
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 5 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies registry class 1 IoCs
  • NTFS ADS 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url "C:\Users\Admin\AppData\Local\Temp\Order Specifications.pdf.htm"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:656
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url "C:\Users\Admin\AppData\Local\Temp\Order Specifications.pdf.htm"
      2⤵
      • Checks processor information in registry
      • Modifies registry class
      • NTFS ADS
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3160
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3160.0.1340276953\1666280356" -parentBuildID 20221007134813 -prefsHandle 1676 -prefMapHandle 1644 -prefsLen 20936 -prefMapSize 232675 -appDir "C:\Program Files\Mozilla Firefox\browser" - {879197c7-6f6b-4508-ad39-296f8f2646c7} 3160 "\\.\pipe\gecko-crash-server-pipe.3160" 1764 20ae11eb158 gpu
        3⤵
          PID:4596
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3160.1.816853556\2028560472" -parentBuildID 20221007134813 -prefsHandle 2112 -prefMapHandle 2108 -prefsLen 21797 -prefMapSize 232675 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {e5b1f0b6-1400-456c-8859-2ef377d48065} 3160 "\\.\pipe\gecko-crash-server-pipe.3160" 2140 20acef71b58 socket
          3⤵
            PID:4156
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3160.2.446575938\1851332357" -childID 1 -isForBrowser -prefsHandle 2904 -prefMapHandle 2996 -prefsLen 21835 -prefMapSize 232675 -jsInitHandle 1316 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {1e1b0377-8355-4b29-adef-e1d6ef83a7c5} 3160 "\\.\pipe\gecko-crash-server-pipe.3160" 3196 20ae50f8b58 tab
            3⤵
              PID:584
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3160.3.1770668736\1326579105" -childID 2 -isForBrowser -prefsHandle 3644 -prefMapHandle 3320 -prefsLen 26480 -prefMapSize 232675 -jsInitHandle 1316 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {65f6b55f-d3c8-492c-85d7-3e6126b144f6} 3160 "\\.\pipe\gecko-crash-server-pipe.3160" 2620 20acef66b58 tab
              3⤵
                PID:3140
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3160.5.1066564364\428426240" -childID 4 -isForBrowser -prefsHandle 4840 -prefMapHandle 4844 -prefsLen 26714 -prefMapSize 232675 -jsInitHandle 1316 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {2fb11438-ebad-4fb1-89a8-e1c2e971bb22} 3160 "\\.\pipe\gecko-crash-server-pipe.3160" 4832 20ae79bee58 tab
                3⤵
                  PID:316
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3160.6.977604338\426965848" -childID 5 -isForBrowser -prefsHandle 4696 -prefMapHandle 4668 -prefsLen 26714 -prefMapSize 232675 -jsInitHandle 1316 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {07b82a08-7ce1-4cf8-acaf-642013042c07} 3160 "\\.\pipe\gecko-crash-server-pipe.3160" 5028 20ae7b05658 tab
                  3⤵
                    PID:1456
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3160.4.1742873692\1069790151" -childID 3 -isForBrowser -prefsHandle 4204 -prefMapHandle 4688 -prefsLen 26714 -prefMapSize 232675 -jsInitHandle 1316 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {1383b0f8-3674-46c7-9f43-d380166db2b9} 3160 "\\.\pipe\gecko-crash-server-pipe.3160" 4704 20acef2e858 tab
                    3⤵
                      PID:4916
                • C:\Windows\System32\rundll32.exe
                  C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                  1⤵
                    PID:2856
                  • C:\Windows\System32\WScript.exe
                    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\Downloads\Order Specifications.pdf.js"
                    1⤵
                    • Blocklisted process makes network request
                    • Drops startup file
                    • Adds Run key to start application
                    • NTFS ADS
                    PID:3288
                    • C:\Windows\System32\schtasks.exe
                      "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Order Specifications.pdf.js
                      2⤵
                      • Creates scheduled task(s)
                      PID:4472

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\d25hmlvg.default-release\activity-stream.discovery_stream.json.tmp

                    Filesize

                    22KB

                    MD5

                    a9d010929ce4b572c748511eb74b6b17

                    SHA1

                    71cab3be0a6636c4e62659503b8531d95e6888b2

                    SHA256

                    8ddd1139d23e301f24e761dd8b3a3d2aa2e3befee3d99edf734cd00e3fd30be8

                    SHA512

                    9b5dbbb012065c0429ae349557a565c1c2f0f3718337ad2d0e52cfc09b575032c85bc483526d8b5d8f9992975d5a2fb425d0f2cf9131d369c3d3740f7ffbf833

                  • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\d25hmlvg.default-release\cache2\entries\51D52D298316CD3F9A90A40E946BB34EFA1BFB72

                    Filesize

                    13KB

                    MD5

                    a6043fa629911cf2d50945aa8788e218

                    SHA1

                    fd4a8824fd2b78cd1dbf72bde87c55c111d994a9

                    SHA256

                    e9e43a0f8556314c88b36731d082bffc6146e07c24a752035cd745d0ecc0ffb1

                    SHA512

                    24a3f91a2fd8f1bc1ad68090de255b8d0be876a87d84a2f2aa3df618a6d0905c31249ff055eb20cb3f4c7d68616c3db8573b33eaf7bc53e83adba55a9e2063fe

                  • C:\Users\Admin\AppData\Local\Temp\tmpaddon

                    Filesize

                    442KB

                    MD5

                    85430baed3398695717b0263807cf97c

                    SHA1

                    fffbee923cea216f50fce5d54219a188a5100f41

                    SHA256

                    a9f4281f82b3579581c389e8583dc9f477c7fd0e20c9dfc91a2e611e21e3407e

                    SHA512

                    06511f1f6c6d44d076b3c593528c26a602348d9c41689dbf5ff716b671c3ca5756b12cb2e5869f836dedce27b1a5cfe79b93c707fd01f8e84b620923bb61b5f1

                  • C:\Users\Admin\AppData\Local\Temp\tmpaddon-1

                    Filesize

                    8.0MB

                    MD5

                    a01c5ecd6108350ae23d2cddf0e77c17

                    SHA1

                    c6ac28a2cd979f1f9a75d56271821d5ff665e2b6

                    SHA256

                    345d44e3aa3e1967d186a43d732c8051235c43458169a5d7d371780a6475ee42

                    SHA512

                    b046dd1b26ec0b810ee441b7ad4dc135e3f1521a817b9f3db60a32976352e8f7e53920e1a77fc5b4130aac260d79deef7e823267b4414e9cc774d8bffca56a72

                  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\6824f4a902c78fbd.customDestinations-ms

                    Filesize

                    9KB

                    MD5

                    d5442b448ef651c7a9d9bbf5904209c7

                    SHA1

                    9a7efca93d7a8da9093813871661905bf0896d26

                    SHA256

                    31185210010df3aa8a42a3ec8085ef3d3b65d11dec48800e7a68d962242335cf

                    SHA512

                    d5b1035dd3f8b6b7d3783930ebdfbb4d723a865a1ee5cb70f6c4d66cea453b88d225c03d8305e0c771c7f79aeed83bc95ff9d5ac71c010abf06b70e077345481

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\d25hmlvg.default-release\gmp-gmpopenh264\1.8.1.2\gmpopenh264.dll

                    Filesize

                    997KB

                    MD5

                    fe3355639648c417e8307c6d051e3e37

                    SHA1

                    f54602d4b4778da21bc97c7238fc66aa68c8ee34

                    SHA256

                    1ed7877024be63a049da98733fd282c16bd620530a4fb580dacec3a78ace914e

                    SHA512

                    8f4030bb2464b98eccbea6f06eb186d7216932702d94f6b84c56419e9cf65a18309711ab342d1513bf85aed402bc3535a70db4395874828f0d35c278dd2eac9c

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\d25hmlvg.default-release\gmp-gmpopenh264\1.8.1.2\gmpopenh264.info

                    Filesize

                    116B

                    MD5

                    3d33cdc0b3d281e67dd52e14435dd04f

                    SHA1

                    4db88689282fd4f9e9e6ab95fcbb23df6e6485db

                    SHA256

                    f526e9f98841d987606efeaff7f3e017ba9fd516c4be83890c7f9a093ea4c47b

                    SHA512

                    a4a96743332cc8ef0f86bc2e6122618bfc75ed46781dadbac9e580cd73df89e74738638a2cccb4caa4cbbf393d771d7f2c73f825737cdb247362450a0d4a4bc1

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\d25hmlvg.default-release\gmp-widevinecdm\4.10.2557.0\LICENSE.txt

                    Filesize

                    479B

                    MD5

                    49ddb419d96dceb9069018535fb2e2fc

                    SHA1

                    62aa6fea895a8b68d468a015f6e6ab400d7a7ca6

                    SHA256

                    2af127b4e00f7303de8271996c0c681063e4dc7abdc7b2a8c3fe5932b9352539

                    SHA512

                    48386217dabf7556e381ab3f5924b123a0a525969ff98f91efb03b65477c94e48a15d9abcec116b54616d36ad52b6f1d7b8b84c49c204e1b9b43f26f2af92da2

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\d25hmlvg.default-release\gmp-widevinecdm\4.10.2557.0\manifest.json

                    Filesize

                    372B

                    MD5

                    8be33af717bb1b67fbd61c3f4b807e9e

                    SHA1

                    7cf17656d174d951957ff36810e874a134dd49e0

                    SHA256

                    e92d3394635edfb987a7528e0ccd24360e07a299078df2a6967ca3aae22fa2dd

                    SHA512

                    6125f60418e25fee896bf59f5672945cd8f36f03665c721837bb50adf5b4dfef2dddbfcfc817555027dcfa90e1ef2a1e80af1219e8063629ea70263d2fc936a7

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\d25hmlvg.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll

                    Filesize

                    11.8MB

                    MD5

                    33bf7b0439480effb9fb212efce87b13

                    SHA1

                    cee50f2745edc6dc291887b6075ca64d716f495a

                    SHA256

                    8ee42d9258e20bbc5bfdfae61605429beb5421ffeaaa0d02b86d4978f4b4ac4e

                    SHA512

                    d329a1a1d98e302142f2776de8cc2cd45a465d77cb21c461bdf5ee58c68073a715519f449cb673977288fe18401a0abcce636c85abaec61a4a7a08a16c924275

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\d25hmlvg.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.lib

                    Filesize

                    1KB

                    MD5

                    688bed3676d2104e7f17ae1cd2c59404

                    SHA1

                    952b2cdf783ac72fcb98338723e9afd38d47ad8e

                    SHA256

                    33899a3ebc22cb8ed8de7bd48c1c29486c0279b06d7ef98241c92aef4e3b9237

                    SHA512

                    7a0e3791f75c229af79dd302f7d0594279f664886fea228cfe78e24ef185ae63aba809aa1036feb3130066deadc8e78909c277f0a7ed1e3485df3cf2cd329776

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\d25hmlvg.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.sig

                    Filesize

                    1KB

                    MD5

                    937326fead5fd401f6cca9118bd9ade9

                    SHA1

                    4526a57d4ae14ed29b37632c72aef3c408189d91

                    SHA256

                    68a03f075db104f84afdd8fca45a7e4bff7b55dc1a2a24272b3abe16d8759c81

                    SHA512

                    b232f6cf3f88adb346281167ac714c4c4c7aac15175087c336911946d12d63d3a3a458e06b298b41a7ec582ef09fe238da3a3166ff89c450117228f7485c22d2

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\d25hmlvg.default-release\prefs-1.js

                    Filesize

                    8KB

                    MD5

                    cde16be0714170ab0633c403a4e91284

                    SHA1

                    9d35f4d479a703d2c8e73af4fe2062349798cb96

                    SHA256

                    699bda832d2cba98c711c663fbbfa924d7c3d2e9f1bfc5e49dddb33769d4c440

                    SHA512

                    7ebd284e32ee08b2b4e8e8aabd22831438a12fa6b7e4922dfce354f6fd723b38f677f52f553d5e52a005dd0d65d1ac5325fa81e4ba02404d2906d10ecd574635

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\d25hmlvg.default-release\prefs-1.js

                    Filesize

                    9KB

                    MD5

                    aa26fc94308fe15de4cbdc0292353c04

                    SHA1

                    6bc5f944fcb92627ac03a5ab84f945a3eca05bd8

                    SHA256

                    65ec4c6d7aa58bb9444d9a8d71f86b92d65464528d5df422edfb51687c2abb88

                    SHA512

                    ce770597e0b8daf9efc41322616d2cd546c3f04b2e28d2cfe5deb921421c156a65dc54d702b8e46b14d2f5b75e46fe2c1876b2784e50ff5a152801d6e01f7aaa

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\d25hmlvg.default-release\prefs-1.js

                    Filesize

                    7KB

                    MD5

                    8e7504946a1f6c62b742fdd30d4bd102

                    SHA1

                    882859604031ce6f2dbbb0a615fff8b45910560e

                    SHA256

                    33386c34255a20b4830747ad768677bd6a036686e29f15ad8a0c3128eab2178f

                    SHA512

                    36226082fcd2b9949cb25579fb48b4c981b4d08d5dc8ae820a0523543a5b5cd94f9bea998dfa257ce534cab97df247f8ffb882cef0a31a97d53238481f2fb1e4

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\d25hmlvg.default-release\prefs.js

                    Filesize

                    6KB

                    MD5

                    8206c1b94e5fe7ba339979ae9ac54bd4

                    SHA1

                    de6246c840747878f8e3e74c3cc0db3ea233f877

                    SHA256

                    f9895a9cf43dc85acc41e21e23ab5d26bb3c157a1adc3b423d0dbbf2707733da

                    SHA512

                    b5bae53ea724a2f69a3ba675a24187476b66f5e9bc6c9cfbc78f3168bd6d8519cf7425d197e25ea57bd291b3db1e4b73089f0c824ec48f7b83e7e9342b3d74e3

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\d25hmlvg.default-release\sessionstore-backups\recovery.jsonlz4

                    Filesize

                    1KB

                    MD5

                    52ae84df9e68e897c65142f859c9c4b5

                    SHA1

                    89864ae3809947b5f19f0441962da23f64878d9b

                    SHA256

                    ba2f3964fb54c4525b08d0caf4039be8439fb518a52c47cf2e0a6ff9d1711126

                    SHA512

                    fc521869889472f92a7d392d18e28b8628a4f2458e857c4b44e62cab6b32581f684bafcebda6f61fe6dc34cd7644489164e76c59bd8ff637a93c9e53c214e673

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\d25hmlvg.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite

                    Filesize

                    400KB

                    MD5

                    0518669d06e42a5651fce0483bda9cd1

                    SHA1

                    b95e37de2f7558e25e771c00d1ce6526e0a62283

                    SHA256

                    a5537c23da73978b67764f7540db5f3c3baa432550ebced23e888271f4f6970e

                    SHA512

                    b03811acda876540d4cb20b54403c5e728b671b18d25ef97a2cfa70975ba5d5299f6229ebef24c844c27a505857891a267dd23c85c4af554548175f1d2e018b8

                  • C:\Users\Admin\Downloads\Order Specifications.mw4W5hX0.pdf.js.part

                    Filesize

                    24KB

                    MD5

                    198410ad7e2c3c89d7050ff83ae2782e

                    SHA1

                    8cf5f22778a7a0bd24f1db1d49428cae60734316

                    SHA256

                    95a01d5aed591a14b81c24fe6d2dfc4d42cb931e06b3e49f2d3f5763a8046df4

                    SHA512

                    9d14104211b58b501ce3a3617deb8e229250db2ec75ad7cbb4e0e744cb7be2587c663a861acd1f08f2dc87380e6a3f25c5c5b10c6ac0f3ea0588abe3f54ee31a

                  • C:\Users\Admin\Downloads\Order Specifications.pdf.js

                    Filesize

                    24KB

                    MD5

                    198410ad7e2c3c89d7050ff83ae2782e

                    SHA1

                    8cf5f22778a7a0bd24f1db1d49428cae60734316

                    SHA256

                    95a01d5aed591a14b81c24fe6d2dfc4d42cb931e06b3e49f2d3f5763a8046df4

                    SHA512

                    9d14104211b58b501ce3a3617deb8e229250db2ec75ad7cbb4e0e744cb7be2587c663a861acd1f08f2dc87380e6a3f25c5c5b10c6ac0f3ea0588abe3f54ee31a