Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-05-2024 14:41

General

  • Target

    https://www.ecobill.net/ticketing/api/attchs/v1/mail/Bearer eyJhbGciOiJIUzI1NiJ9.eyJqdGkiOiIyODc0NjgzIiwiaWF0IjoxNzE1OTQxMDg3LCJzdWIiOiJhdHQiLCJpc3MiOiJIb3RlbGJlZHMiLCJtYXAiOnsibWVzc2FnZUlkIjo4MDkxMzIxLCJib0lkIjoyODc0NjgzLCJmaWxlbmFtZSI6ImF0dGFjaG1lbnRzX21zZ184MDkxMzIxLnppcCJ9fQ.si--RVeeI0ZlJQz5rWJ7GOklL_7-nAa4fpn30af6y_4/

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 11 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of FindShellTrayWindow 33 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://www.ecobill.net/ticketing/api/attchs/v1/mail/Bearer eyJhbGciOiJIUzI1NiJ9.eyJqdGkiOiIyODc0NjgzIiwiaWF0IjoxNzE1OTQxMDg3LCJzdWIiOiJhdHQiLCJpc3MiOiJIb3RlbGJlZHMiLCJtYXAiOnsibWVzc2FnZUlkIjo4MDkxMzIxLCJib0lkIjoyODc0NjgzLCJmaWxlbmFtZSI6ImF0dGFjaG1lbnRzX21zZ184MDkxMzIxLnppcCJ9fQ.si--RVeeI0ZlJQz5rWJ7GOklL_7-nAa4fpn30af6y_4/
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4584
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ff9e90546f8,0x7ff9e9054708,0x7ff9e9054718
      2⤵
        PID:2432
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1508,3616018687965215131,190319001446042269,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2164 /prefetch:2
        2⤵
          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=network.mojom.NetworkService --field-trial-handle=1508,3616018687965215131,190319001446042269,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2272 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2920
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1508,3616018687965215131,190319001446042269,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2792 /prefetch:8
          2⤵
            PID:3260
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1508,3616018687965215131,190319001446042269,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3316 /prefetch:1
            2⤵
              PID:1728
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1508,3616018687965215131,190319001446042269,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3360 /prefetch:1
              2⤵
                PID:3292
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1508,3616018687965215131,190319001446042269,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5328 /prefetch:1
                2⤵
                  PID:1732
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1508,3616018687965215131,190319001446042269,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5396 /prefetch:1
                  2⤵
                    PID:1792
                  • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1508,3616018687965215131,190319001446042269,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5664 /prefetch:8
                    2⤵
                      PID:3548
                    • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1508,3616018687965215131,190319001446042269,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5664 /prefetch:8
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:2608
                    • 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 --field-trial-handle=1508,3616018687965215131,190319001446042269,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=3428 /prefetch:8
                      2⤵
                        PID:3532
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1508,3616018687965215131,190319001446042269,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5800 /prefetch:1
                        2⤵
                          PID:4768
                        • 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 --field-trial-handle=1508,3616018687965215131,190319001446042269,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5808 /prefetch:8
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:3004
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1508,3616018687965215131,190319001446042269,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6016 /prefetch:1
                          2⤵
                            PID:1440
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1508,3616018687965215131,190319001446042269,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6048 /prefetch:1
                            2⤵
                              PID:2080
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1508,3616018687965215131,190319001446042269,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=4760 /prefetch:2
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:3524
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:3956
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:1440
                              • C:\Windows\System32\rundll32.exe
                                C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                1⤵
                                  PID:5312
                                • C:\Windows\system32\mspaint.exe
                                  "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\AppData\Local\Temp\Temp1_attachments_msg_8091321.zip\Captura3template.PNG" /ForceBootstrapPaint3D
                                  1⤵
                                  • Modifies registry class
                                  • Suspicious behavior: EnumeratesProcesses
                                  • Suspicious use of SetWindowsHookEx
                                  PID:5368
                                • C:\Windows\System32\svchost.exe
                                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s DsSvc
                                  1⤵
                                  • Drops file in System32 directory
                                  PID:5412
                                • C:\Windows\system32\OpenWith.exe
                                  C:\Windows\system32\OpenWith.exe -Embedding
                                  1⤵
                                  • Suspicious use of SetWindowsHookEx
                                  PID:5552

                                Network

                                MITRE ATT&CK Matrix ATT&CK v13

                                Discovery

                                Query Registry

                                1
                                T1012

                                System Information Discovery

                                1
                                T1082

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                  Filesize

                                  152B

                                  MD5

                                  4f7152bc5a1a715ef481e37d1c791959

                                  SHA1

                                  c8a1ed674c62ae4f45519f90a8cc5a81eff3a6d7

                                  SHA256

                                  704dd4f98d8ca34ec421f23ba1891b178c23c14b3301e4655efc5c02d356c2bc

                                  SHA512

                                  2e6b02ca35d76a655a17a5f3e9dbd8d7517c7dae24f0095c7350eb9e7bdf9e1256a7009aa8878f96c89d1ea4fe5323a41f72b8c551806dda62880d7ff231ff5c

                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                  Filesize

                                  152B

                                  MD5

                                  ea98e583ad99df195d29aa066204ab56

                                  SHA1

                                  f89398664af0179641aa0138b337097b617cb2db

                                  SHA256

                                  a7abb51435909fa2d75c6f2ff5c69a93d4a0ab276ed579e7d8733b2a63ffbee6

                                  SHA512

                                  e109be3466e653e5d310b3e402e1626298b09205d223722a82344dd78504f3c33e1e24e8402a02f38cd2c9c50d96a303ce4846bea5a583423937ab018cd5782f

                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State
                                  Filesize

                                  183B

                                  MD5

                                  73ec25c0df5312dbae8ae0046285264e

                                  SHA1

                                  cddc0bebcff399fe4c850513e933e63487596dbb

                                  SHA256

                                  11480b57c6008f31bb4b69faf15a0fbdeea24c5a6d79b9f951b110b58b794cfb

                                  SHA512

                                  502481b7fa41d92adba3016003482c284076110a81dcb9f1b849a3720ac0f86d2d2546645711668afd4eb4f5dd867d27be3effd11a76fb40ea4535b6b1f0e39e

                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                  Filesize

                                  5KB

                                  MD5

                                  42b4e5b2b35652f82858f32fcb04edbd

                                  SHA1

                                  c81777c68cfb31c7f30174e195f0b7716dc7172b

                                  SHA256

                                  f01c929023d0a19bac77097a6fb26a53fb89f28d98e311e74eaa1f631070ca94

                                  SHA512

                                  02afd80fdf0e683f7aacdf56f14621c3f7ed5d0e7c1d1007783d8a657c109cd1e19d3cd4f4fd9c24291dc564647af343eeb5d65fd4ab920f9eba5286beb8a813

                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                  Filesize

                                  6KB

                                  MD5

                                  f4bd614326f56b77d24d45e5694cb580

                                  SHA1

                                  b517badf683778735d7c062f1d6df7398615d7b7

                                  SHA256

                                  e41955442f4c964c1ae5a999d5e6bd6242b6506e24e23b2034a46934a65a0bfc

                                  SHA512

                                  af3d626e32a1602a465996b04eab0b9af22a90cc8df8ec690ff5be722692d987e424a63117c6e2b631be4903db54d3f7d5627a1f977389f61ea950b26a1c422f

                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
                                  Filesize

                                  16B

                                  MD5

                                  6752a1d65b201c13b62ea44016eb221f

                                  SHA1

                                  58ecf154d01a62233ed7fb494ace3c3d4ffce08b

                                  SHA256

                                  0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

                                  SHA512

                                  9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                  Filesize

                                  11KB

                                  MD5

                                  b789e0ce83d0875536d53ddd6c6a3fc9

                                  SHA1

                                  1f35f76d07f93c93539f8478b84758e49a29f146

                                  SHA256

                                  bd04fe250440fe744dcd495bae515b0275d869608dfbf5b19ad7e724e27350b2

                                  SHA512

                                  31dded2e118f4f018eb5e60dce75f9e06a9f5df4dd36d612f7ca996171d99b7d4500fdb7ca0f6cd61350fea1f061f6c24f94bd0a5b30a75d34af2c78832f7997

                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                  Filesize

                                  11KB

                                  MD5

                                  fcc5fac19f0510b5a13d7138d1846447

                                  SHA1

                                  16b488c4194da90300bb630bce7138110d1d3d2a

                                  SHA256

                                  9c5909b8d98003937842a61269ab8dd8de2142760ddd43483bbd2741e354befe

                                  SHA512

                                  98452a638b6214f8c81b92c376c5b3e96373a4e7e61987a71bd98332ecf21035b2f0b08e75dc335cfe3dc29ecca4f972bee45e42202b7ed5735509fe0fe70c2d

                                • C:\Users\Admin\Downloads\attachments_msg_8091321.zip
                                  Filesize

                                  332KB

                                  MD5

                                  c67c3c4775dfd6f43f4f815c84a43b37

                                  SHA1

                                  8f227443b2d846d9893bfe4a02dca31fce1915d1

                                  SHA256

                                  1569f7f318c0ebb5ed7a8d4778041f18b3809c893ade4943d3e97d711055bca6

                                  SHA512

                                  ff76dc647c3e1bba69a288800e5f8b7296f18841f578e034844e4c7e904ccd0d5f7117ce717d4342ff54c3083c6802e0213fda74275474a1a13e4207a4aa8d91

                                • \??\pipe\LOCAL\crashpad_4584_CYRQBBDOYZVGUNXL
                                  MD5

                                  d41d8cd98f00b204e9800998ecf8427e

                                  SHA1

                                  da39a3ee5e6b4b0d3255bfef95601890afd80709

                                  SHA256

                                  e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                  SHA512

                                  cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                • memory/5412-71-0x000001BC85B90000-0x000001BC85BA0000-memory.dmp
                                  Filesize

                                  64KB

                                • memory/5412-84-0x000001BC8E7A0000-0x000001BC8E7A1000-memory.dmp
                                  Filesize

                                  4KB

                                • memory/5412-86-0x000001BC8E7A0000-0x000001BC8E7A1000-memory.dmp
                                  Filesize

                                  4KB

                                • memory/5412-87-0x000001BC8E830000-0x000001BC8E831000-memory.dmp
                                  Filesize

                                  4KB

                                • memory/5412-88-0x000001BC8E830000-0x000001BC8E831000-memory.dmp
                                  Filesize

                                  4KB

                                • memory/5412-89-0x000001BC8E840000-0x000001BC8E841000-memory.dmp
                                  Filesize

                                  4KB

                                • memory/5412-90-0x000001BC8E840000-0x000001BC8E841000-memory.dmp
                                  Filesize

                                  4KB

                                • memory/5412-82-0x000001BC8E720000-0x000001BC8E721000-memory.dmp
                                  Filesize

                                  4KB

                                • memory/5412-75-0x000001BC86460000-0x000001BC86470000-memory.dmp
                                  Filesize

                                  64KB