Resubmissions

28/01/2024, 01:50

240128-b9mv4aghe9 10

28/01/2024, 01:47

240128-b7msbagha3 10

Analysis

  • max time kernel
    140s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/01/2024, 01:50

General

  • Target

    chromelulz.exe

  • Size

    25KB

  • MD5

    44ed94ca16bac143365f29b66d40beaf

  • SHA1

    078e2c7dd0b759234e25ce0476f07f2110983035

  • SHA256

    bb7ede5a2cff1bdbab9330a40cf3d44d7bfac7e1ec2675a7232b8b6702a9330d

  • SHA512

    5673abcfbdf7bc0708132f155a7751971774e711d1a33d34644e262b51ee0d5ff7803a7bcdf1b68e8ad3df6013471921e0f8687ab5a34d3bb35fcd99b01741a0

  • SSDEEP

    384:5vcTzXQHKr9UE2KXb1vNUfg//mcBPp68sQcY1Q9bA55jRdqDMEK97WgYXohn:5vktrRjv+fy/JZ1QhAlQDMJ7Wgrh

Score
10/10

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

lulz

C2

/0.tcp.us-cal-1.ngrok.io:9000

Mutex

Windows Update

Attributes
  • reg_key

    Windows Update

  • splitter

    |Hassan|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Drops file in Windows directory 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.

  • Modifies registry class 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 64 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:\Users\Admin\AppData\Local\Temp\chromelulz.exe
    "C:\Users\Admin\AppData\Local\Temp\chromelulz.exe"
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    PID:1016
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4140
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url "C:\Windows\Chrome"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3552
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url C:\Windows\Chrome
        3⤵
        • Checks processor information in registry
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:3724
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3724.0.1960193998\1558916448" -parentBuildID 20221007134813 -prefsHandle 1932 -prefMapHandle 1924 -prefsLen 20749 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {6639d3f6-c6e6-486e-a88f-a2a6f68f02b5} 3724 "\\.\pipe\gecko-crash-server-pipe.3724" 2012 18a9c2d9c58 gpu
          4⤵
            PID:264
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3724.1.2002071029\1576182275" -parentBuildID 20221007134813 -prefsHandle 2420 -prefMapHandle 2416 -prefsLen 21565 -prefMapSize 233444 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {b59ce707-3b27-4ab9-9710-92845fca6b2f} 3724 "\\.\pipe\gecko-crash-server-pipe.3724" 2432 18a9c20a558 socket
            4⤵
              PID:2960
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3724.2.1417428365\1794831290" -childID 1 -isForBrowser -prefsHandle 3180 -prefMapHandle 3176 -prefsLen 21668 -prefMapSize 233444 -jsInitHandle 1376 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {75b7b647-0d50-445c-a3cc-1d96b709f132} 3724 "\\.\pipe\gecko-crash-server-pipe.3724" 3188 18a9c260658 tab
              4⤵
                PID:208
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3724.3.2077703028\337621520" -childID 2 -isForBrowser -prefsHandle 3624 -prefMapHandle 3620 -prefsLen 26066 -prefMapSize 233444 -jsInitHandle 1376 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {02ec82ba-357a-491c-9705-d5453dc5a1d1} 3724 "\\.\pipe\gecko-crash-server-pipe.3724" 3636 18a8fa62258 tab
                4⤵
                  PID:4732
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3724.4.508901319\28202465" -childID 3 -isForBrowser -prefsHandle 5112 -prefMapHandle 5108 -prefsLen 26381 -prefMapSize 233444 -jsInitHandle 1376 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {26e98cad-fd6a-4966-959d-70ecf5089bb9} 3724 "\\.\pipe\gecko-crash-server-pipe.3724" 4996 18aa1f92d58 tab
                  4⤵
                    PID:2368
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3724.6.2080630174\1735422846" -childID 5 -isForBrowser -prefsHandle 5408 -prefMapHandle 5412 -prefsLen 26381 -prefMapSize 233444 -jsInitHandle 1376 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {48e53a0b-bb63-4332-a572-960fd49aa50a} 3724 "\\.\pipe\gecko-crash-server-pipe.3724" 5492 18aa219f858 tab
                    4⤵
                      PID:2256
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3724.5.383141721\1056379554" -childID 4 -isForBrowser -prefsHandle 5220 -prefMapHandle 5224 -prefsLen 26381 -prefMapSize 233444 -jsInitHandle 1376 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {fd1c4113-046f-40dc-8bc3-73d1a0114309} 3724 "\\.\pipe\gecko-crash-server-pipe.3724" 5212 18aa1f94e58 tab
                      4⤵
                        PID:4236
                • C:\Windows\System32\rundll32.exe
                  C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                  1⤵
                    PID:2464

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\x3x6afp6.default-release\cache2\entries\77FB5EE92C576E2505C8C9FF2EC417D7727F401E

                    Filesize

                    13KB

                    MD5

                    9e83a2939e428b34a18473a34b43d99c

                    SHA1

                    8435cf9e435e8597c76abfc9cbf5939173307a14

                    SHA256

                    b606c4bca37407a80eefe17b4c8b9529d8931c2abaaefda6c5abe1d77bf9a57c

                    SHA512

                    2d32034f390dddf0c32f2634686bdd6f5dceac70516bb13ad6f1ed1442e28e0ff5bd1d3f36dfeafa796a8bec34779bbad044bd87c541f4821c25903e0db1ea0a

                  • 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\Mozilla\Firefox\Profiles\x3x6afp6.default-release\datareporting\glean\db\data.safe.bin

                    Filesize

                    9KB

                    MD5

                    b5420b60a029b5342f9fc17b51d107bc

                    SHA1

                    5e728acff1b2a8bc63362f354a783b991b701701

                    SHA256

                    ee34501c3a3f81e7c173823d8201c2831f2a006b3942d813d022021aa3c24a69

                    SHA512

                    a7994ea0f67f0f28de5da50c6f999ea1e459773da162b2df2110fe190887baeadeed89d9eed25c87deda551a311e1ff3a93d8ca1090124c5ee660551e2055cb1

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\x3x6afp6.default-release\datareporting\glean\pending_pings\9ebcbaec-85ba-4530-bd8e-fe9a8a47555e

                    Filesize

                    734B

                    MD5

                    2be8c81c814acff2aaeff68929df00bd

                    SHA1

                    ff128b1b7aa8f59c03f943d40d7a1f8011cc643d

                    SHA256

                    36fa26c70eb22d384d62a5b851f7243ba3ad4b34a13a691b9809fc8cef3b0bc6

                    SHA512

                    bf47eb96f16bfcf9fde460dfb847eefa9c884260a8d48777144e8e96126df2f66d33f40f9beb18db7059d54df7019656e6a3b95424e9387b75157c55c0b6ca90

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\x3x6afp6.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\x3x6afp6.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\x3x6afp6.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\x3x6afp6.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\x3x6afp6.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\x3x6afp6.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\x3x6afp6.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\x3x6afp6.default-release\prefs-1.js

                    Filesize

                    7KB

                    MD5

                    b2e22e8c02069155d1fc40d4d8ebd146

                    SHA1

                    e3d7fac63c3c953c11991d748d14f021e70b860c

                    SHA256

                    58c938d61a3841a5d7e63029650038502d1c54f7f7310cf9f98004ace7a8b332

                    SHA512

                    2d38933ddb6edf44a5d36cbb95cc53080089a97bb588c66438c690dcc69160c81fbea966022503f8be061971c85003f97db4ace4f0d417ae883bc3e0917f3c57

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\x3x6afp6.default-release\prefs-1.js

                    Filesize

                    6KB

                    MD5

                    c202efe178bd9a6d180a00fb87556d93

                    SHA1

                    99f6028966195c8cbc99149b12e53cd018a63e58

                    SHA256

                    c0757b20dd8fd815958cfcf147c5f6288c6de95e68fecb7eb834e594810a827a

                    SHA512

                    066b1d306ed4ef19891aa20a017dd6c0ae349551e2881a2419c34cf8b109226115582a3d90a9c58d1c11b73295a683ed3635885aeb08987bc58ac1d1b02ed203

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\x3x6afp6.default-release\prefs.js

                    Filesize

                    6KB

                    MD5

                    0fd13a1d357388b9d94372c00f78e722

                    SHA1

                    097631358c2b72637f5c023499b2b2ebaa9216d9

                    SHA256

                    0f72919ee5f9de1c6ea5943dd7c3333178559f57e90bd231af627e156149fe00

                    SHA512

                    83c7717fa03333aa2ae9831dda13e723a5ef74344ee66f89b432b2b799415560216a8aa7e6c2b1223cccfaeae4aa97094bb8d5c5c31f9e0077742893a3c40e61

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\x3x6afp6.default-release\sessionstore-backups\recovery.jsonlz4

                    Filesize

                    998B

                    MD5

                    95ee16719a527991e74a972de70de89f

                    SHA1

                    5b0160d7632e7b6800456332f03fed83916623ce

                    SHA256

                    37e7dcb011ad5beff4b7573c95c5e9ce2e055111ce39da7f0e10021ec93ddde9

                    SHA512

                    c5be33a5152ad160e9127c28d38e3b4a262c861322fade2f4f308f0c69597d74507ad8fd56f4b2d90ffe3b0e6ee401840d7c6e54cc2d19c764cfa465e489237a

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\x3x6afp6.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite

                    Filesize

                    1.3MB

                    MD5

                    3b852b7fb87a1b1c9dc80daa11c3ce1d

                    SHA1

                    016cf9332d5945170b3ce7b8f11c0cea93255634

                    SHA256

                    9678d898aa6399d563d125958ce34d02d6e0f301285a5ea09da736f4a107298c

                    SHA512

                    60ae85a8d445c56faf4ccb490d5ca4b1dcf973f1cffcb79864b1f5eadd0dd591be34b33ec3ccb478ed10e88ae641e1978812c1154a9c2e2190207f0bea1c4242

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\x3x6afp6.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite

                    Filesize

                    184KB

                    MD5

                    32c66d355168edc7ca70086708eab2e9

                    SHA1

                    2569636b2b8e76542853c0d9b567dbc932baad6f

                    SHA256

                    c1aea2dae53f3f9ee512aa2ac0c81ef294e9b40e0b2bd15d61358bd494b5e2b4

                    SHA512

                    2cd7a80feca4c35578a9d797cad3275e9e320bacb235c2076649ba6ce9f969ce649d36cd2eefaf2b3f81444d5a3c2061f19186299b1f03266ba5ccd0f11c235d

                  • C:\Windows\Chrome

                    Filesize

                    25KB

                    MD5

                    44ed94ca16bac143365f29b66d40beaf

                    SHA1

                    078e2c7dd0b759234e25ce0476f07f2110983035

                    SHA256

                    bb7ede5a2cff1bdbab9330a40cf3d44d7bfac7e1ec2675a7232b8b6702a9330d

                    SHA512

                    5673abcfbdf7bc0708132f155a7751971774e711d1a33d34644e262b51ee0d5ff7803a7bcdf1b68e8ad3df6013471921e0f8687ab5a34d3bb35fcd99b01741a0

                  • memory/1016-0-0x00007FFAFE1B0000-0x00007FFAFEB51000-memory.dmp

                    Filesize

                    9.6MB

                  • memory/1016-10-0x00007FFAFE1B0000-0x00007FFAFEB51000-memory.dmp

                    Filesize

                    9.6MB

                  • memory/1016-6-0x000000001BE80000-0x000000001BF1C000-memory.dmp

                    Filesize

                    624KB

                  • memory/1016-5-0x000000001BAC0000-0x000000001BB66000-memory.dmp

                    Filesize

                    664KB

                  • memory/1016-4-0x0000000000800000-0x0000000000812000-memory.dmp

                    Filesize

                    72KB

                  • memory/1016-3-0x000000001B530000-0x000000001B9FE000-memory.dmp

                    Filesize

                    4.8MB

                  • memory/1016-2-0x00007FFAFE1B0000-0x00007FFAFEB51000-memory.dmp

                    Filesize

                    9.6MB

                  • memory/1016-1-0x0000000000760000-0x0000000000770000-memory.dmp

                    Filesize

                    64KB