Resubmissions

02/08/2024, 02:50

240802-db3vrs1hpj10

02/08/2024, 02:47

240802-c9v25sweqe10

Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240730-en
  • resource tags

    arch:x64arch:x86image:win11-20240730-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    02/08/2024, 02:47

General

  • Target
    #!!SetUp_2244_PassW0rd$$.rar
  • Size 10.6MB
  • Sample240802-c9v25sweqe
  • SHA256 984d530e78ec72391f217805e5e078cef1c4e15c156c12d60841dae8b2e5af87
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs

    When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 2 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 36 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\#!!SetUp_2244_PassW0rd$$.rar
    1⤵
    • Modifies registry class
    PID:4908
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    PID:3876
  • 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:4548
    • 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,0x100,0x104,0xd8,0x108,0x7ff9ea6bcc40,0x7ff9ea6bcc4c,0x7ff9ea6bcc58
      2⤵
        PID:568
      • 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=1844,i,17795359477004158305,6285670967809304031,262144 --variations-seed-version=20240730-050116.493000 --mojo-platform-channel-handle=1840 /prefetch:2
        2⤵
          PID:2772
        • 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=2128,i,17795359477004158305,6285670967809304031,262144 --variations-seed-version=20240730-050116.493000 --mojo-platform-channel-handle=2120 /prefetch:3
          2⤵
            PID:2532
          • 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=2176,i,17795359477004158305,6285670967809304031,262144 --variations-seed-version=20240730-050116.493000 --mojo-platform-channel-handle=2224 /prefetch:8
            2⤵
              PID:3548
            • 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=3112,i,17795359477004158305,6285670967809304031,262144 --variations-seed-version=20240730-050116.493000 --mojo-platform-channel-handle=3116 /prefetch:1
              2⤵
                PID:3852
              • 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=3124,i,17795359477004158305,6285670967809304031,262144 --variations-seed-version=20240730-050116.493000 --mojo-platform-channel-handle=3164 /prefetch:1
                2⤵
                  PID:2152
                • 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=3716,i,17795359477004158305,6285670967809304031,262144 --variations-seed-version=20240730-050116.493000 --mojo-platform-channel-handle=3564 /prefetch:1
                  2⤵
                    PID:3016
                  • 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=4764,i,17795359477004158305,6285670967809304031,262144 --variations-seed-version=20240730-050116.493000 --mojo-platform-channel-handle=4708 /prefetch:8
                    2⤵
                      PID:2060
                    • 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=4780,i,17795359477004158305,6285670967809304031,262144 --variations-seed-version=20240730-050116.493000 --mojo-platform-channel-handle=4772 /prefetch:8
                      2⤵
                        PID:1556
                      • 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=4828,i,17795359477004158305,6285670967809304031,262144 --variations-seed-version=20240730-050116.493000 --mojo-platform-channel-handle=4836 /prefetch:1
                        2⤵
                          PID:4696
                        • 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=4976,i,17795359477004158305,6285670967809304031,262144 --variations-seed-version=20240730-050116.493000 --mojo-platform-channel-handle=3264 /prefetch:1
                          2⤵
                            PID:3924
                          • 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=5196,i,17795359477004158305,6285670967809304031,262144 --variations-seed-version=20240730-050116.493000 --mojo-platform-channel-handle=5200 /prefetch:8
                            2⤵
                              PID:664
                            • 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=5248,i,17795359477004158305,6285670967809304031,262144 --variations-seed-version=20240730-050116.493000 --mojo-platform-channel-handle=5384 /prefetch:8
                              2⤵
                                PID:3736
                              • 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=5540,i,17795359477004158305,6285670967809304031,262144 --variations-seed-version=20240730-050116.493000 --mojo-platform-channel-handle=5528 /prefetch:8
                                2⤵
                                • Subvert Trust Controls: Mark-of-the-Web Bypass
                                • NTFS ADS
                                PID:1588
                              • C:\Users\Admin\Downloads\winrar-x64-701.exe
                                "C:\Users\Admin\Downloads\winrar-x64-701.exe"
                                2⤵
                                • Executes dropped EXE
                                • Suspicious use of SetWindowsHookEx
                                PID:2940
                            • 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:2348
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                                1⤵
                                  PID:4888

                                Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      5f89baa7-b8a4-453f-a82f-1e80c98ae52b.tmp

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\5f89baa7-b8a4-453f-a82f-1e80c98ae52b.tmp
                                      • Size 15KB
                                      • SHA256 42ba8d1c460f8649f7bbafbb83bc6969ebb22be6d1d540269739b7103e8e9130
                                      • MD5 SHA1 SHA512 SSDEEP

                                      f_000001

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000001
                                      • Size 209KB
                                      • SHA256 27d9c4613df7a3c04da0b79c13217aa69992b441acb7e44bf2a7578ca87d97d6
                                      • MD5 SHA1 SHA512 SSDEEP

                                      the-real-index

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index
                                      • Size 216B
                                      • SHA256 50d76989c21b47a147140d0dba824bc1645b506ab2bc37f13f3affe6e2c812c3
                                      • MD5 SHA1 SHA512

                                      Network Persistent State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                      • Size 3KB
                                      • SHA256 541c6328ee89677be91413eea0adfa28d2b4d3e1fe0585187a2c2499bd8c3f21
                                      • 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

                                      TransportSecurity

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                      • Size 356B
                                      • SHA256 c21f234e5db4bd7cf8066dce4a3db76a97fe273af7f737bbc1d3134bd66c8eed
                                      • MD5 SHA1 SHA512

                                      TransportSecurity

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                      • Size 523B
                                      • SHA256 bdc7c497e6cf03cb41a4e9642c614da9a61222fc130cf66e28bbcdc1ab90ac2d
                                      • MD5 SHA1 SHA512

                                      TransportSecurity

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                      • Size 523B
                                      • SHA256 eeaa1b8c6cfb4ed73f61f1d09ba3ac27e2fa165e26c4b78b55a41d9693bde2ba
                                      • MD5 SHA1 SHA512

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 8KB
                                      • SHA256 4a0504fecfa712ff7046fbbea450c0b05b0714444a67c481c2761c475c2ed0b2
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 9KB
                                      • SHA256 3c6a1704ef046dd19739c0645b97f896a0e74d9ba7eda41931d6a0b738f82023
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 9KB
                                      • SHA256 4407b79aab2fadde608d47701429ff6878299c0e33862e02b0b62231f9925096
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 9KB
                                      • SHA256 0b62b6e2ec9f24f1364ba637b1703dedb9dca07f9910dfb1fbe3ca1082299429
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 8KB
                                      • SHA256 f087f3355088e714a7fc126f5836dcb45980c435b56690a304f081708d83ddb6
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                      • Size 195KB
                                      • SHA256 564d8f413d34976fd4e3e0474d1869828f5aa0da7480b07196a28675efb898c7
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                      • Size 196KB
                                      • SHA256 c7b792739b8fb9547f843b19650a93caf434ee348d6aa5cdc8e73594c5c2281d
                                      • MD5 SHA1 SHA512 SSDEEP

                                      winrar-x64-701.exe

                                      • Path C:\Users\Admin\Downloads\winrar-x64-701.exe
                                      • Size 3.8MB
                                      • SHA256 c5b5def1c8882b702b6b25cbd94461c737bc151366d2d9eba5006c04886bfc9a
                                      • MD5 SHA1 SHA512 SSDEEP

                                      winrar-x64-701.exe:Zone.Identifier

                                      • Path C:\Users\Admin\Downloads\winrar-x64-701.exe:Zone.Identifier
                                      • Size 26B
                                      • SHA256 eacd09517ce90d34ba562171d15ac40d302f0e691b439f91be1b6406e25f5913
                                      • MD5 SHA1 SHA512