Analysis

  • max time kernel
    43s
  • max time network
    45s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    16-12-2024 07:16

General

  • Target

    Panel Ejecutador MTA 3.14.zip

  • Size

    1.1MB

  • MD5

    d345c2eb24b0d3806865fda604ad1cc8

  • SHA1

    6b813317f6108f2c242babda58097070503df242

  • SHA256

    9261f3eefa0aef107e865784d8b8b62d4e7213056dfe535893920a344fa0d908

  • SHA512

    76c941b833ffcef6da121c2e2735952ed81cbf7c6a6260a227040d37abf0adaa41461045c69710331345d52d95aac89ddf0a256ebc85fbdb2ed703106999ab74

  • SSDEEP

    24576:ioRau4l48JTUIlfSsqFDxCs3+UgQYuX370FBZa:ioRUv5UIYsqOs3+UPY234m

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

azxq0ap.localto.net:3425

Mutex

e51e2b65-e963-4051-9736-67d57ed46798

Attributes
  • encryption_key

    AEA258EF65BF1786F0F767C0BE2497ECC304C46F

  • install_name

    WindowsUpdate.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    WindowsUpdate

  • subdirectory

    SubDir

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 28 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 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\Panel Ejecutador MTA 3.14.zip"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4020
  • C:\Users\Admin\Desktop\Panel Ejecutador MTA 3.14.exe
    "C:\Users\Admin\Desktop\Panel Ejecutador MTA 3.14.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3000
    • C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /create /tn "WindowsUpdate" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe" /rl HIGHEST /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:1660
    • C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe
      "C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4672
      • C:\Windows\SYSTEM32\schtasks.exe
        "schtasks" /create /tn "WindowsUpdate" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe" /rl HIGHEST /f
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1716
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    1⤵
    • Drops file in Windows directory
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2136
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=123.0.6312.123 --initial-client-data=0x220,0x224,0x228,0x1fc,0x22c,0x7ffee251cc40,0x7ffee251cc4c,0x7ffee251cc58
      2⤵
        PID:2000
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1916,i,13832979627826609194,7168765853539513509,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=1908 /prefetch:2
        2⤵
          PID:4628
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=2104,i,13832979627826609194,7168765853539513509,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=2012 /prefetch:3
          2⤵
            PID:1132
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=2264,i,13832979627826609194,7168765853539513509,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=2432 /prefetch:8
            2⤵
              PID:4216
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3140,i,13832979627826609194,7168765853539513509,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=3208 /prefetch:1
              2⤵
                PID:1284
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3148,i,13832979627826609194,7168765853539513509,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=3232 /prefetch:1
                2⤵
                  PID:1936
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4512,i,13832979627826609194,7168765853539513509,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=4552 /prefetch:1
                  2⤵
                    PID:4632
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --field-trial-handle=4396,i,13832979627826609194,7168765853539513509,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=4708 /prefetch:1
                    2⤵
                      PID:3216
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --field-trial-handle=4668,i,13832979627826609194,7168765853539513509,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=4880 /prefetch:1
                      2⤵
                        PID:4640
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --field-trial-handle=4484,i,13832979627826609194,7168765853539513509,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=4992 /prefetch:1
                        2⤵
                          PID:348
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --field-trial-handle=4696,i,13832979627826609194,7168765853539513509,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=5188 /prefetch:1
                          2⤵
                            PID:2540
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=5332,i,13832979627826609194,7168765853539513509,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=5324 /prefetch:8
                            2⤵
                              PID:1872
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=4828,i,13832979627826609194,7168765853539513509,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=4848 /prefetch:8
                              2⤵
                                PID:3380
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --field-trial-handle=3196,i,13832979627826609194,7168765853539513509,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=4516 /prefetch:1
                                2⤵
                                  PID:4560
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --field-trial-handle=3260,i,13832979627826609194,7168765853539513509,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=5256 /prefetch:1
                                  2⤵
                                    PID:3208
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=16 --field-trial-handle=5232,i,13832979627826609194,7168765853539513509,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=4456 /prefetch:1
                                    2⤵
                                      PID:2256
                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=17 --field-trial-handle=5064,i,13832979627826609194,7168765853539513509,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=5152 /prefetch:1
                                      2⤵
                                        PID:2624
                                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=18 --field-trial-handle=5228,i,13832979627826609194,7168765853539513509,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=5048 /prefetch:1
                                        2⤵
                                          PID:4784
                                      • C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
                                        "C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
                                        1⤵
                                          PID:936
                                        • C:\Windows\system32\svchost.exe
                                          C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                                          1⤵
                                            PID:4636

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\BrowsingTopicsState

                                            Filesize

                                            649B

                                            MD5

                                            bed4c5a18558235c039947aebfff04ba

                                            SHA1

                                            c368543fb55913ac71b8b6ff5aec2fe5572186ae

                                            SHA256

                                            214cfd07003863c0cf56f0325b61a10ab668b16cb53ef4ded1cf0b26b6afbcd0

                                            SHA512

                                            5d3121cc60adc7553a807ff84dda5003caec7be5cb258926d00e25344446427e16a286e30d54244fbe69c6ce736cc969c7ae37a92d4e531b1f4bf570bdbbdef3

                                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index

                                            Filesize

                                            936B

                                            MD5

                                            f485142216b8fa5ef1d22531178f4f88

                                            SHA1

                                            292616960ca48046dcc061436b66698d802ef48d

                                            SHA256

                                            6e31c63f53079fec35c9729d3efeca49dcfde393383b6d8014e6e3267e40cf12

                                            SHA512

                                            c580eab533d8e1bc15947f346ad1061dc04ef2b836eb2245a553fb621455d7a4f9dd2b9406d4a6b0a898566f30d8c0a175ce1bb7c1dbcc15108e1544a4f674fe

                                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

                                            Filesize

                                            2B

                                            MD5

                                            d751713988987e9331980363e24189ce

                                            SHA1

                                            97d170e1550eee4afc0af065b78cda302a97674c

                                            SHA256

                                            4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

                                            SHA512

                                            b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

                                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity

                                            Filesize

                                            1015B

                                            MD5

                                            dd1309ac125131d4a66f9217c8e304eb

                                            SHA1

                                            e512e8c480075ede06bf15f4d95d9a8f874d7fdf

                                            SHA256

                                            7bb44ef2122a3bb1bc8c8026d6ab7dbdc4631c7e84707c5c9b971b21f2bc0890

                                            SHA512

                                            4af2db7a9994e9508b7be3b8326d29564662b11fa3d2b8099f6148478a7ac0202abbc2813ddb7d02046337fe5f6647c9521539b14a167c0b37085d96bc08ebc8

                                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity

                                            Filesize

                                            1KB

                                            MD5

                                            dba2b39909433019b050bf889fec6024

                                            SHA1

                                            ac288b53b05a8c595a9eb803b9aa525c937237be

                                            SHA256

                                            851b2e6a4028f1f67ba1ae38cb32d67764e61abdae066dbbfd040b81a4031fd8

                                            SHA512

                                            5b3e5a54312bcc436bf95ab4ed35457df54d6442af380319c83fe9d75e820dba4c979a140694f84efe999af386ed94d517e06684b9eeaf0587237bb96c4941be

                                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                                            Filesize

                                            9KB

                                            MD5

                                            2da349371336b8ef21a4156bc80eeb6d

                                            SHA1

                                            ad572279d282d676212da51f3e6a9810462a47ea

                                            SHA256

                                            7f2099ba68ba9700f6e7a7c81ac9ec43b6bbf1e1ee7ec600c8b4521cc8cbdf22

                                            SHA512

                                            fd425df06de4b18c628df070f5f9c2675f815dd38da4b3510804326ba8a20914c0d2a416641bcc4045c24fcbe6cd1884e0ceb7ccb62a88f125582deed9a26686

                                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                                            Filesize

                                            9KB

                                            MD5

                                            1504a0cc6e669e26c9b13683f5152d99

                                            SHA1

                                            b7f00b16627ed2224232e9976e495e2182012a6b

                                            SHA256

                                            d2989ae2e080c748b82de6cece825ef22b169aed226052deca5fb7274ae08000

                                            SHA512

                                            6b98c16da1509805e59ff578aeb3974be104b136a2fff9d6841d18084093a445c86bcb8473a6b45781c0be2431bf613e6b5345e4935cebb9ad0a5cb230aa084a

                                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences

                                            Filesize

                                            15KB

                                            MD5

                                            555d4211cc9630567585bf11b66c3b5a

                                            SHA1

                                            8246e64771fc9e23428454e4ed9cce2e8b620ce7

                                            SHA256

                                            968d1de059193e7d7fd5b7510c4f3183773e9081042e9ed51c363718172f93c8

                                            SHA512

                                            778cddb82a2c831a235c814e6449337f93d4902ed2e7dbd426820539c10f0d4f9acd6a40ed6acfd63510016107671a07a24f0d8dc49724bd24d0735a66505253

                                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                                            Filesize

                                            234KB

                                            MD5

                                            fc51cb548f2a0e118d7d4b9d6d9918d7

                                            SHA1

                                            21876f14b2d1050d5cff0c27866a421633532b3d

                                            SHA256

                                            62845d25c748d628cbb70baf0384972938d175c0c64ebe84762e3a15ff42987c

                                            SHA512

                                            8d2771bf463c9b4c310f5b9638109e6b2bc3873831e891aed6b6c5c1f7869bbedfdc4a080dfbb46c975df27fee283eda748ff7b8c06170711767b03a69fc72e2

                                          • C:\Users\Admin\Desktop\Panel Ejecutador MTA 3.14.exe

                                            Filesize

                                            3.3MB

                                            MD5

                                            5791d405ca0a97a89eeaeb4f2be628be

                                            SHA1

                                            a012d40aaaa01db12a83b0e4408d012fd383dd0b

                                            SHA256

                                            6c67a1bf1d558b31a790e4bdcef062c9b49f00a1b3d7361dfc8308d55b87bc5d

                                            SHA512

                                            3971447d6a5f1ffe51bb1acc0d2525aa5bca521358c67828e6bd983d68e8c22dfa83ab49109575bc113e13de861682af563a3ed21e5ef48cce1bfcdb8f1f2afd

                                          • memory/3000-14-0x00007FFEE7590000-0x00007FFEE8052000-memory.dmp

                                            Filesize

                                            10.8MB

                                          • memory/3000-6-0x00007FFEE7590000-0x00007FFEE8052000-memory.dmp

                                            Filesize

                                            10.8MB

                                          • memory/3000-5-0x0000000000500000-0x0000000000856000-memory.dmp

                                            Filesize

                                            3.3MB

                                          • memory/3000-4-0x00007FFEE7593000-0x00007FFEE7595000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4672-53-0x000000001D2D0000-0x000000001D7F8000-memory.dmp

                                            Filesize

                                            5.2MB

                                          • memory/4672-52-0x000000001C260000-0x000000001C29C000-memory.dmp

                                            Filesize

                                            240KB

                                          • memory/4672-51-0x000000001C200000-0x000000001C212000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/4672-35-0x000000001C2A0000-0x000000001C352000-memory.dmp

                                            Filesize

                                            712KB

                                          • memory/4672-34-0x000000001C190000-0x000000001C1E0000-memory.dmp

                                            Filesize

                                            320KB