Analysis

  • max time kernel
    111s
  • max time network
    112s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    19-10-2024 01:33

General

  • Target

    Neverlose-Loader-main.zip

  • Size

    227KB

  • MD5

    46de2e1c007d56e22e8abc7885af8bbe

  • SHA1

    0f780f64ea2c22302f8e08a527d5a04fd429aba5

  • SHA256

    e20f97d57623732bc8c216d8fb182f37b09934728ffa833c12a98a0c0c0957d5

  • SHA512

    3bb1a51eea02dbf8d4e7c8fa88e6dae2efedb8d614d64c998c7508e13b3063b7fa7ae48f60196bf9a40045511e17e424ab1b7a30bcef6898acda657ea9c595cf

  • SSDEEP

    6144:B19gu5MiTpOZxQrT56mzfV5bFW1cSguff:BwMJTFo+V5bu1guX

Malware Config

Extracted

Family

quasar

Version

1.4.0

Botnet

Office04

C2

192.168.31.99:4782

2001:4bc9:1f98:a4e::676:4782

255.255.255.0:4782

fe80::cabf:4cff:fe84:9572%17:4782

Mutex

1f65a787-81b8-4955-95e4-b7751e10cd50

Attributes
  • encryption_key

    A0B82A50BBC49EC084E3E53A9E34DF58BD7050B9

  • install_name

    Neverlose Loader.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Java Updater

  • subdirectory

    SubDir

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 2 IoCs
  • Executes dropped EXE 5 IoCs
  • Drops file in Windows directory 4 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Checks processor information in registry 2 TTPs 10 IoCs

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

  • Modifies registry class 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 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\7-Zip\7zFM.exe
    "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Neverlose-Loader-main.zip"
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4956
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:712
    • C:\Users\Admin\Desktop\Neverlose-Loader-main\Neverlose Loader.exe
      "C:\Users\Admin\Desktop\Neverlose-Loader-main\Neverlose Loader.exe"
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2132
      • C:\Windows\SYSTEM32\schtasks.exe
        "schtasks" /create /tn "Java Updater" /sc ONLOGON /tr "C:\Users\Admin\Desktop\Neverlose-Loader-main\Neverlose Loader.exe" /rl HIGHEST /f
        2⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3076
      • C:\Users\Admin\AppData\Roaming\SubDir\Neverlose Loader.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\Neverlose Loader.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3728
        • C:\Windows\SYSTEM32\schtasks.exe
          "schtasks" /create /tn "Java Updater" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Neverlose Loader.exe" /rl HIGHEST /f
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:3316
    • C:\Users\Admin\Desktop\Neverlose Loader.exe
      "C:\Users\Admin\Desktop\Neverlose Loader.exe"
      1⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2468
    • C:\Users\Admin\Desktop\Neverlose Loader.exe
      "C:\Users\Admin\Desktop\Neverlose Loader.exe"
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3356
      • C:\Windows\SYSTEM32\schtasks.exe
        "schtasks" /create /tn "Java Updater" /sc ONLOGON /tr "C:\Users\Admin\Desktop\Neverlose Loader.exe" /rl HIGHEST /f
        2⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2376
      • C:\Users\Admin\AppData\Roaming\SubDir\Neverlose Loader.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\Neverlose Loader.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2660
        • C:\Windows\SYSTEM32\schtasks.exe
          "schtasks" /create /tn "Java Updater" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Neverlose Loader.exe" /rl HIGHEST /f
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2788
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /4
      1⤵
      • Drops file in Windows directory
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4708
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /4
      1⤵
      • Drops file in Windows directory
      • Checks SCSI registry key(s)
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4320
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe"
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:708
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe"
        2⤵
        • Checks processor information in registry
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3168
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3168.0.1813349932\1309541956" -parentBuildID 20221007134813 -prefsHandle 1740 -prefMapHandle 1732 -prefsLen 20747 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {4d32c158-663f-4ec4-89a7-93550d99d4bc} 3168 "\\.\pipe\gecko-crash-server-pipe.3168" 1812 239b8bd6a58 gpu
          3⤵
            PID:4440
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3168.1.1411356062\459621907" -parentBuildID 20221007134813 -prefsHandle 2156 -prefMapHandle 2152 -prefsLen 20828 -prefMapSize 233444 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {a1256912-15e9-49f2-8a1c-bf751a830819} 3168 "\\.\pipe\gecko-crash-server-pipe.3168" 2168 239b8afbf58 socket
            3⤵
            • Checks processor information in registry
            PID:2364
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3168.2.44686935\1917599539" -childID 1 -isForBrowser -prefsHandle 2824 -prefMapHandle 2896 -prefsLen 20866 -prefMapSize 233444 -jsInitHandle 1264 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {762edbb3-b24b-42af-88d4-456b0c6617bb} 3168 "\\.\pipe\gecko-crash-server-pipe.3168" 2888 239bcf9e858 tab
            3⤵
              PID:1824
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3168.3.1622631005\517622471" -childID 2 -isForBrowser -prefsHandle 3608 -prefMapHandle 3604 -prefsLen 26109 -prefMapSize 233444 -jsInitHandle 1264 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {8161df50-b2bc-4756-af67-6d6cf7574630} 3168 "\\.\pipe\gecko-crash-server-pipe.3168" 3616 239adb62b58 tab
              3⤵
                PID:4860
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3168.4.906765987\2035436442" -childID 3 -isForBrowser -prefsHandle 4220 -prefMapHandle 4212 -prefsLen 26168 -prefMapSize 233444 -jsInitHandle 1264 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {7ba49768-75de-44f8-ae9e-f51de744ec11} 3168 "\\.\pipe\gecko-crash-server-pipe.3168" 4232 239becaf958 tab
                3⤵
                  PID:692
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3168.5.1441529582\1391637155" -childID 4 -isForBrowser -prefsHandle 4796 -prefMapHandle 4792 -prefsLen 26168 -prefMapSize 233444 -jsInitHandle 1264 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {1691e706-8c2d-4d42-bf0c-7a013c31e6f9} 3168 "\\.\pipe\gecko-crash-server-pipe.3168" 4808 239bd5bce58 tab
                  3⤵
                    PID:1248
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3168.6.1440245363\1970747144" -childID 5 -isForBrowser -prefsHandle 4944 -prefMapHandle 4948 -prefsLen 26168 -prefMapSize 233444 -jsInitHandle 1264 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {843c5a80-e56e-4a47-9338-2fb406c8971c} 3168 "\\.\pipe\gecko-crash-server-pipe.3168" 5028 239bf2afe58 tab
                    3⤵
                      PID:5004
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3168.7.254528868\1755933043" -childID 6 -isForBrowser -prefsHandle 5144 -prefMapHandle 5148 -prefsLen 26168 -prefMapSize 233444 -jsInitHandle 1264 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {f0355d20-6566-4334-9839-c1c76810d753} 3168 "\\.\pipe\gecko-crash-server-pipe.3168" 5136 239bf2b1658 tab
                      3⤵
                        PID:1076
                      • C:\Program Files\Mozilla Firefox\firefox.exe
                        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3168.8.764380438\375290804" -childID 7 -isForBrowser -prefsHandle 5600 -prefMapHandle 5604 -prefsLen 26249 -prefMapSize 233444 -jsInitHandle 1264 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {8cf58e31-bbee-4b78-b157-4d2bc7e79499} 3168 "\\.\pipe\gecko-crash-server-pipe.3168" 5616 239c09dc558 tab
                        3⤵
                          PID:4268

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

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

                      Filesize

                      1KB

                      MD5

                      d63ff49d7c92016feb39812e4db10419

                      SHA1

                      2307d5e35ca9864ffefc93acf8573ea995ba189b

                      SHA256

                      375076241775962f3edc08a8c72832a00920b427a4f3332528d91d21e909fa12

                      SHA512

                      00f8c8d0336d6575b956876183199624d6f4d2056f2c0aa633a6f17c516f22ee648062d9bc419254d84c459323e9424f0da8aed9dd4e16c2926e5ba30e797d8a

                    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PRICache\1601268389\715946058.pri

                      Filesize

                      171KB

                      MD5

                      30ec43ce86e297c1ee42df6209f5b18f

                      SHA1

                      fe0a5ea6566502081cb23b2f0e91a3ab166aeed6

                      SHA256

                      8ccddf0c77743a42067782bc7782321330406a752f58fb15fb1cd446e1ef0ee4

                      SHA512

                      19e5a7197a92eeef0482142cfe0fb46f16ddfb5bf6d64e372e7258fa6d01cf9a1fac9f7258fd2fd73c0f8a064b8d79b51a1ec6d29bbb9b04cdbd926352388bae

                    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PRICache\4183903823\2290032291.pri

                      Filesize

                      2KB

                      MD5

                      b8da5aac926bbaec818b15f56bb5d7f6

                      SHA1

                      2b5bf97cd59e82c7ea96c31cf9998fbbf4884dc5

                      SHA256

                      5be5216ae1d0aed64986299528f4d4fe629067d5f4097b8e4b9d1c6bcf4f3086

                      SHA512

                      c39a28d58fb03f4f491bf9122a86a5cbe7677ec2856cf588f6263fa1f84f9ffc1e21b9bcaa60d290356f9018fb84375db532c8b678cf95cc0a2cc6ed8da89436

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wjyk7j4u.default-release\datareporting\glean\db\data.safe.bin

                      Filesize

                      9KB

                      MD5

                      9e89044ab7d400dcef4fe53323d46b13

                      SHA1

                      b4e5c2585d8de757904a501d524baff4fe4fbcd7

                      SHA256

                      df89488d1a55487b570da2ac2ec3e0aab6101bf6cc6fb664f95ff8733b215978

                      SHA512

                      5f421174a50b1d1086378e9b0baeb53dd6c71cdfd9a3d30acaa13a76c2c23092b48dfd57204cb5cc3881dd01c940583fe5ebbdcdb8311926b44637a6611c2a56

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wjyk7j4u.default-release\datareporting\glean\pending_pings\49303226-565a-4baa-a4ce-1ec2d8dc8a69

                      Filesize

                      734B

                      MD5

                      cc8ea78ec29a69cf0103e12336433de4

                      SHA1

                      a75b423e9aa8f9f9198f6441abf5fdb82cf82b31

                      SHA256

                      7466b0889bc9c015788ea8012435f20326f9c91c745cf28d1e7f3600ad9178eb

                      SHA512

                      6b80d07eb1005eac5541682bd0df293c7ab20cd3f662b94de82df784cd7c53e96c492e0cd38b4b9ce547662741b17cc80496cc41e96ee4556a004d767ca9b8d4

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wjyk7j4u.default-release\prefs-1.js

                      Filesize

                      6KB

                      MD5

                      95327f593e6a37478ea1a3125e891e97

                      SHA1

                      62a380be20fab412852cc76ec65dc9a4890a9b54

                      SHA256

                      12106da134af5598c8d5b9ed8c209d607067e58040781623396cc4317c47df06

                      SHA512

                      11d97441674e4df97ce62b87f1ba541cf23c7b36522179e824e646770ff2d48a333fa8b10419fc76767c5f14b5a5bd0e16c35220efa5680b54c2795f644293e7

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wjyk7j4u.default-release\sessionstore-backups\recovery.jsonlz4

                      Filesize

                      3KB

                      MD5

                      45fc3ce50769916b02aaff46fc92cb43

                      SHA1

                      b44a595f85bc04e6f7ec7fe38411d4d6f85f3ac9

                      SHA256

                      2ba7e4444437072da46144ff4e9d2d7c7f798ede5b26b9dce7423324fdb46102

                      SHA512

                      e704fc0f298d4147243656a8db2cc9fab0f0d056fcbdd1ceb2996e3311f1c657fdfcd92a8b903f1b80be04007caffc7122fe97a6485b9c97000929991ae84ca3

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wjyk7j4u.default-release\sessionstore.jsonlz4

                      Filesize

                      3KB

                      MD5

                      c25ad8eccd4c5191ff4b381ca0c63c6a

                      SHA1

                      9999b1093a8c1dcb804c7f382d2f81e90bfd40fa

                      SHA256

                      b6d70020459f78ad0e8791fc720edf13204f9adec2aba78c0f04d70771f28d06

                      SHA512

                      c219f2f3a699d5be782a9a519a4bb08a2a2a0118b48af65cded944fe853198b4375aafb31eee5ba47b0afff6ac925863d2f945e107b820ff984effdf6e6549b1

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wjyk7j4u.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite

                      Filesize

                      184KB

                      MD5

                      7f868e557b098795d645df9ea302427f

                      SHA1

                      001f3306144559b4049a8ab139b4139f51e59c0e

                      SHA256

                      b228e23ecfb7965e3badefcbb031de0b4bb887634bccb34a826ac8ac89124ac5

                      SHA512

                      56fd8aa514cc25db5a2c9191d665eaffe90182cc5e4f15317e0cfbc9adf7336d9ad937d20384b0504f784e5939b76b4c4b0020cb06e4a472c650355cc6c4c89a

                    • C:\Users\Admin\Desktop\Neverlose-Loader-main\Neverlose Loader.exe

                      Filesize

                      502KB

                      MD5

                      f5b150d54a0ba2d902974cbfd6249c56

                      SHA1

                      92e28c3d9ff4392eed379d816dda6939113830bd

                      SHA256

                      1ba41fb95f728823e54159eb05c34a545ddb09cb2d942b8d7b6de29537204a80

                      SHA512

                      57aade72ad0b45fdf1a6fdfa99e0d72165a9d3a77efd48c0fb5976ab605f6a395ab9817ea45f1f63994c772529b6b0c6448fa446d68c9859235ce43bf22cb688

                    • memory/2132-4-0x0000000000300000-0x0000000000384000-memory.dmp

                      Filesize

                      528KB

                    • memory/2660-103-0x000000001C6B0000-0x000000001CBD6000-memory.dmp

                      Filesize

                      5.1MB

                    • memory/3728-11-0x000000001B4D0000-0x000000001B582000-memory.dmp

                      Filesize

                      712KB

                    • memory/3728-10-0x000000001AE70000-0x000000001AEC0000-memory.dmp

                      Filesize

                      320KB