Resubmissions

10/07/2024, 10:39

240710-mqc3bsvera8

10/07/2024, 10:33

240710-mlwc4svdlf8

Analysis

  • max time kernel
    57s
  • max time network
    41s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240709-en
  • resource tags

    arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10/07/2024, 10:39

General

  • Target
    https://ibf.tw/3Lbmp
  • Sample240710-mqc3bsvera
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 1 IoCs
  • Modifies registry class 1 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 36 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://ibf.tw/3Lbmp
    1⤵
    • Drops file in Windows directory
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:644
    • 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" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=123.0.6312.106 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffcebd6cc40,0x7ffcebd6cc4c,0x7ffcebd6cc58
      2⤵
        PID:5000
      • 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=1772,i,11650976199204480088,16602576683233152950,262144 --variations-seed-version=20240709-050124.519000 --mojo-platform-channel-handle=1764 /prefetch:2
        2⤵
          PID:4612
        • 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=2064,i,11650976199204480088,16602576683233152950,262144 --variations-seed-version=20240709-050124.519000 --mojo-platform-channel-handle=2080 /prefetch:3
          2⤵
            PID:4508
          • 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=2156,i,11650976199204480088,16602576683233152950,262144 --variations-seed-version=20240709-050124.519000 --mojo-platform-channel-handle=2360 /prefetch:8
            2⤵
              PID:4132
            • 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=3056,i,11650976199204480088,16602576683233152950,262144 --variations-seed-version=20240709-050124.519000 --mojo-platform-channel-handle=3104 /prefetch:1
              2⤵
                PID:2456
              • 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=3064,i,11650976199204480088,16602576683233152950,262144 --variations-seed-version=20240709-050124.519000 --mojo-platform-channel-handle=3128 /prefetch:1
                2⤵
                  PID:4532
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --no-appcompat-clear --field-trial-handle=4808,i,11650976199204480088,16602576683233152950,262144 --variations-seed-version=20240709-050124.519000 --mojo-platform-channel-handle=4840 /prefetch:8
                  2⤵
                    PID:3152
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --no-appcompat-clear --field-trial-handle=4828,i,11650976199204480088,16602576683233152950,262144 --variations-seed-version=20240709-050124.519000 --mojo-platform-channel-handle=4972 /prefetch:8
                    2⤵
                      PID:4440
                    • 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=5136,i,11650976199204480088,16602576683233152950,262144 --variations-seed-version=20240709-050124.519000 --mojo-platform-channel-handle=5148 /prefetch:8
                      2⤵
                        PID:1360
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=5176,i,11650976199204480088,16602576683233152950,262144 --variations-seed-version=20240709-050124.519000 --mojo-platform-channel-handle=4328 /prefetch:8
                        2⤵
                        • NTFS ADS
                        PID:2044
                    • C:\Program Files\Google\Chrome\Application\123.0.6312.106\elevation_service.exe
                      "C:\Program Files\Google\Chrome\Application\123.0.6312.106\elevation_service.exe"
                      1⤵
                        PID:4432
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                        1⤵
                          PID:2772
                        • C:\Windows\System32\rundll32.exe
                          C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                          1⤵
                            PID:2028
                          • C:\Users\Admin\Desktop\Trust Launcher - Copy.exe
                            "C:\Users\Admin\Desktop\Trust Launcher - Copy.exe"
                            1⤵
                            • Suspicious use of SetWindowsHookEx
                            PID:4548
                          • C:\Users\Admin\Desktop\Trust Launcher.exe
                            "C:\Users\Admin\Desktop\Trust Launcher.exe"
                            1⤵
                            • Executes dropped EXE
                            • Suspicious use of SetWindowsHookEx
                            PID:3276

                          Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                0e672372-ffbb-491a-a2d7-da70699f7b77.tmp

                                • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\0e672372-ffbb-491a-a2d7-da70699f7b77.tmp
                                • Size 181KB
                                • SHA256 4975a5520405ee480386f82487a143b76958c87ebfca492129ee02423d8a78d9
                                • MD5 SHA1 SHA512 SSDEEP

                                2e9217da-a72d-479f-955f-5e96f36067a2.tmp

                                • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\2e9217da-a72d-479f-955f-5e96f36067a2.tmp
                                • Size 688B
                                • SHA256 bbf41fba7b6636b6495dc32797625ab4a2142ba13eb19de0aba34b8a32388c17
                                • MD5 SHA1 SHA512

                                Network Persistent State

                                • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                • Size 1KB
                                • SHA256 323f36a59d4ccbd4f7ef3780e255c4970ab8934283c0d3dc73b11268b84f3ab8
                                • MD5 SHA1 SHA512

                                Network Persistent State

                                • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                • Size 1KB
                                • SHA256 43ba592066e27ad772b6933a1e583c18dff0c1f479d5eed5b83ed9122fe6843c
                                • MD5 SHA1 SHA512

                                SCT Auditing Pending Reports

                                • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports
                                • Size 2B
                                • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                                • MD5 SHA1 SHA512

                                Preferences

                                • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                • Size 8KB
                                • SHA256 bab27a43e24f0a266599705babd53131bd66cff7f2561afe6fa94ea336e0995c
                                • MD5 SHA1 SHA512 SSDEEP

                                Preferences

                                • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                • Size 7KB
                                • SHA256 1a77843e3b710487f48940eefec43f9e2b87d3c6a7733c26d6570c2f83c21894
                                • MD5 SHA1 SHA512 SSDEEP

                                Preferences

                                • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                • Size 7KB
                                • SHA256 9ca72c798aa0f62b6cf40b7a3bf3369a2aa184cad22112efa311c6864c3d701c
                                • MD5 SHA1 SHA512 SSDEEP

                                data_1

                                • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\GraphiteDawnCache\data_1
                                • Size 264KB
                                • SHA256 e401721c7e0041a51a72d3c9011cef05590a0defd0282b6ac965d2f0f92b66cc
                                • MD5 SHA1 SHA512 SSDEEP

                                Local State

                                • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                • Size 181KB
                                • SHA256 2e3a11ae23b5c12b22fb27645c1fd3d4fce88a66188d355418beeb24946ba954
                                • MD5 SHA1 SHA512 SSDEEP

                                Trust Launcher.exe:Zone.Identifier

                                • Path C:\Users\Admin\Downloads\Trust Launcher.exe:Zone.Identifier
                                • Size 26B
                                • SHA256 eacd09517ce90d34ba562171d15ac40d302f0e691b439f91be1b6406e25f5913
                                • MD5 SHA1 SHA512

                                Unconfirmed 206271.crdownload

                                • Path C:\Users\Admin\Downloads\Unconfirmed 206271.crdownload
                                • Size 4.5MB
                                • SHA256 e12353f4d5f68aea92424cf34972738128fc010fe4fe3072d7098f9a299ed559
                                • MD5 SHA1 SHA512 SSDEEP

                                memory/4548-164-0x00000000748EE000-0x00000000748EF000-memory.dmp

                                memory/4548-165-0x00000000001B0000-0x000000000062A000-memory.dmp

                                memory/4548-166-0x0000000005610000-0x0000000005BB6000-memory.dmp

                                memory/4548-167-0x0000000005100000-0x0000000005192000-memory.dmp

                                memory/4548-168-0x00000000052A0000-0x00000000052AA000-memory.dmp

                                memory/4548-169-0x00000000748E0000-0x0000000075091000-memory.dmp

                                memory/4548-170-0x00000000748E0000-0x0000000075091000-memory.dmp