Analysis

  • max time kernel
    49s
  • max time network
    50s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241211-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    15-12-2024 07:06

General

  • Target

    Fifa 17 Installer Complement.exe

  • Size

    3.1MB

  • MD5

    cc698361e8911889d46280f7f467cbe7

  • SHA1

    125dd983ba5ef4b661ec6348d0fb746f6543bde9

  • SHA256

    3b541b5dfba231ccc9a971f24469b8764360061643ac7510481ff9fea2b2f751

  • SHA512

    3b3fdc15fcf8912da8a3b0512b20ec618108fd5208fe9de333f9c2dee54a4ee14ac19bfbe8ca68309872ec86ae7515c8d8f0dd7f6a56e8e8f0a72656b228d8bc

  • SSDEEP

    49152:mvSI22SsaNYfdPBldt698dBcjH38d4jhrLoGdZaTHHB72eh2NT:mv/22SsaNYfdPBldt6+dBcjH38de

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 1 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of FindShellTrayWindow 26 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:\Users\Admin\AppData\Local\Temp\Fifa 17 Installer Complement.exe
    "C:\Users\Admin\AppData\Local\Temp\Fifa 17 Installer Complement.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5104
    • 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:3388
    • 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
      • Suspicious use of WriteProcessMemory
      PID:4364
      • 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:2060
  • 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:2116
    • 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,0x7ffc74b1cc40,0x7ffc74b1cc4c,0x7ffc74b1cc58
      2⤵
        PID:4068
      • 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=1928,i,18051268774400937372,4180308203643778339,262144 --variations-seed-version=20241210-050121.637000 --mojo-platform-channel-handle=1920 /prefetch:2
        2⤵
          PID:976
        • 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=2136,i,18051268774400937372,4180308203643778339,262144 --variations-seed-version=20241210-050121.637000 --mojo-platform-channel-handle=2220 /prefetch:3
          2⤵
            PID:3796
          • 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=2276,i,18051268774400937372,4180308203643778339,262144 --variations-seed-version=20241210-050121.637000 --mojo-platform-channel-handle=2488 /prefetch:8
            2⤵
              PID:2840
            • 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=3144,i,18051268774400937372,4180308203643778339,262144 --variations-seed-version=20241210-050121.637000 --mojo-platform-channel-handle=3164 /prefetch:1
              2⤵
                PID:3176
              • 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=3184,i,18051268774400937372,4180308203643778339,262144 --variations-seed-version=20241210-050121.637000 --mojo-platform-channel-handle=3212 /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=7 --field-trial-handle=4556,i,18051268774400937372,4180308203643778339,262144 --variations-seed-version=20241210-050121.637000 --mojo-platform-channel-handle=3148 /prefetch:1
                  2⤵
                    PID:4564
                  • 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=5016,i,18051268774400937372,4180308203643778339,262144 --variations-seed-version=20241210-050121.637000 --mojo-platform-channel-handle=5000 /prefetch:8
                    2⤵
                      PID:3200
                    • 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=5020,i,18051268774400937372,4180308203643778339,262144 --variations-seed-version=20241210-050121.637000 --mojo-platform-channel-handle=5084 /prefetch:8
                      2⤵
                        PID:3744
                      • 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=5188,i,18051268774400937372,4180308203643778339,262144 --variations-seed-version=20241210-050121.637000 --mojo-platform-channel-handle=5080 /prefetch:1
                        2⤵
                          PID:4748
                      • 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:2744
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                          1⤵
                            PID:5096

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000001

                            Filesize

                            215KB

                            MD5

                            2be38925751dc3580e84c3af3a87f98d

                            SHA1

                            8a390d24e6588bef5da1d3db713784c11ca58921

                            SHA256

                            1412046f2516b688d644ff26b6c7ef2275b6c8f132eb809bd32e118208a4ec1b

                            SHA512

                            1341ffc84f16c1247eb0e9baacd26a70c6b9ee904bc2861e55b092263613c0f09072efd174b3e649a347ef3192ae92d7807cc4f5782f8fd07389703d75c4c4e2

                          • 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

                            354B

                            MD5

                            70d2b5d343e1017712fb977946365c87

                            SHA1

                            c167ffeb5686a80076363827870cd531e3f7915d

                            SHA256

                            6f048b932f55076fa27c2f37c4f13427fdb1f77caac2d3153020e08989b698fd

                            SHA512

                            ddad094f09f595b85872c8337e492f30077f52b5a29a814b229c6d8de20234775714459c9d8e340226494be75adac3f73b7d6e5716e123a0e4242ff443ece694

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

                            Filesize

                            8KB

                            MD5

                            5df1e15ffda88c32a4163423e52c742a

                            SHA1

                            7f8d9f134c19f2dfcd1db20d44c3abd8d9c2cbd0

                            SHA256

                            cdb75328e3164f427da2633a5519dd0cfa4e67397a9290290dc60cc2c60850a0

                            SHA512

                            61ed998c1604b6ea70ea592a33689a4cea2e1c7484c3890f7762959241ff00289a0143e289db35de117b909346d5b1c0ea00347f7e11845e1178d0db7cc972f2

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

                            Filesize

                            15KB

                            MD5

                            ef42a97fa0395b67491f4550668e3345

                            SHA1

                            d91068936a31fbb99154ab4b5114c01d57ae8934

                            SHA256

                            d3a5b1699e2563b17169ee40d3712af11e2215c8d0d2d415159832c1f452b409

                            SHA512

                            df8c69cbb1686f4846bab7a0f37a82444ec110e4e818d961808980014775f747ce342f4e994c3b6963ef5a84899e1d12bc9d7714c75e451633144a4d48ae2cc0

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

                            Filesize

                            234KB

                            MD5

                            9cdb813d2fb3e48ba27ae7ec0119f6ba

                            SHA1

                            7b4c16ae0bd1df547a8a61bd706c44531b9189a8

                            SHA256

                            d641befa575fab8af22514df391ac55e6fda6887732f0bb71655a8bbdf920b4d

                            SHA512

                            bd608d47d6b628c4f286d694c9c3f15ea52c9b589e0b0e644d29161e3b8b16fb93ecc19b25805e1a4e14dbaf794456b02be606ffe7b9ae17ca0ef3a17dec1076

                          • C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe

                            Filesize

                            3.1MB

                            MD5

                            cc698361e8911889d46280f7f467cbe7

                            SHA1

                            125dd983ba5ef4b661ec6348d0fb746f6543bde9

                            SHA256

                            3b541b5dfba231ccc9a971f24469b8764360061643ac7510481ff9fea2b2f751

                            SHA512

                            3b3fdc15fcf8912da8a3b0512b20ec618108fd5208fe9de333f9c2dee54a4ee14ac19bfbe8ca68309872ec86ae7515c8d8f0dd7f6a56e8e8f0a72656b228d8bc

                          • memory/4364-11-0x000000001DF50000-0x000000001DF8C000-memory.dmp

                            Filesize

                            240KB

                          • memory/4364-10-0x000000001DE90000-0x000000001DEA2000-memory.dmp

                            Filesize

                            72KB

                          • memory/4364-12-0x00007FFC7B620000-0x00007FFC7C0E2000-memory.dmp

                            Filesize

                            10.8MB

                          • memory/4364-9-0x000000001DFD0000-0x000000001E082000-memory.dmp

                            Filesize

                            712KB

                          • memory/4364-8-0x000000001DEC0000-0x000000001DF10000-memory.dmp

                            Filesize

                            320KB

                          • memory/4364-37-0x000000001F6F0000-0x000000001FC18000-memory.dmp

                            Filesize

                            5.2MB

                          • memory/4364-7-0x00007FFC7B620000-0x00007FFC7C0E2000-memory.dmp

                            Filesize

                            10.8MB

                          • memory/4364-6-0x00007FFC7B620000-0x00007FFC7C0E2000-memory.dmp

                            Filesize

                            10.8MB

                          • memory/5104-0-0x00007FFC7B623000-0x00007FFC7B625000-memory.dmp

                            Filesize

                            8KB

                          • memory/5104-5-0x00007FFC7B620000-0x00007FFC7C0E2000-memory.dmp

                            Filesize

                            10.8MB

                          • memory/5104-2-0x00007FFC7B620000-0x00007FFC7C0E2000-memory.dmp

                            Filesize

                            10.8MB

                          • memory/5104-1-0x0000000000D40000-0x0000000001066000-memory.dmp

                            Filesize

                            3.1MB