Analysis
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max time kernel
95s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
28-08-2024 15:41
Static task
static1
Behavioral task
behavioral1
Sample
WebAdvisorInstall.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
WebAdvisorInstall.exe
Resource
win10v2004-20240802-en
General
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Target
WebAdvisorInstall.exe
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Size
5.1MB
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MD5
be8bf725892ddd7a200d0a1906b9387f
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SHA1
582a24a72b29e70f2de26a8d217492c7a6b983ff
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SHA256
166bba02413995aff28ffeb27d3bf3d5a5f6a6cd36893e252c7b9a22836f4980
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SHA512
32d9d97692255e84cbd8c24794627bdfaa8ae41942bd449b678906f01d8b667d9d9785440f562132878987c682169b8ba9f9242a9f2abdf4b197d425ff1e7cb8
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SSDEEP
98304:MjHm6/Pi0bzB+Ot7nM3wnuZFm0qRttZYtToFbSO7VKoFbSO7VyoFbSO7VKoFbSO5:O5unMkMsMkM
Malware Config
Extracted
C:\wlJ8FiR2h.README.txt
lockbit
http://lockbitsupt7nr3fa6e7xyb73lk6bw6rcneqhoyblniiabj4uwvzapqd.onion
http://lockbitsupuhswh4izvoucoxsbnotkmgq6durg7kficg6u33zfvq3oyd.onion
http://lockbitsupn2h6be2cnqpvncyhj4rgmnwn44633hnzzmtxdvjoqlp7yd.onion
http://lockbitsupp.uz
http://lockbitapt2yfbt7lchxejug47kmqvqqxvvjpqkmevv4l3azl3gy6pyd.onion
http://lockbitapt5x4zkjbcqmz6frdhecqqgadevyiwqxukksspnlidyvd7qd.onion
http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion
http://lockbitapt34kvrip6xojylohhxrwsvpzdffgs5z4pbbsywnzsbdguqd.onion
http://lockbitaptc2iq4atewz2ise62q63wfktyrl4qtwuk5qax262kgtzjqd.onion
http://lockbitaptjpikdqjynvgozhgc6bgetgucdk5xjacozeaawihmoio6yd.onion
http://lockbitaptq7ephv2oigdncfhtwhpqgwmqojnxqdyhprxxfpcllqdxad.onion
http://lockbitaptstzf3er2lz6ku3xuifafq2yh5lmiqj5ncur6rtlmkteiqd.onion
http://lockbitaptoofrpignlz6dt2wqqc5z3a4evjevoa3eqdfcntxad5lmyd.onion
Signatures
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Lockbit
Ransomware family with multiple variants released since late 2019.
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Rule to detect Lockbit 3.0 ransomware Windows payload 1 IoCs
resource yara_rule behavioral2/files/0x000a000000023475-7.dat family_lockbit -
Renames multiple (650) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Downloads MZ/PE file
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation WebAdvisorInstall.exe Key value queried \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation F53E.tmp -
Executes dropped EXE 2 IoCs
pid Process 3544 ggc.exe 3228 F53E.tmp -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops desktop.ini file(s) 2 IoCs
description ioc Process File opened for modification C:\$Recycle.Bin\S-1-5-21-2412658365-3084825385-3340777666-1000\desktop.ini ggc.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-2412658365-3084825385-3340777666-1000\desktop.ini ggc.exe -
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\system32\spool\PRINTERS\PPp7rj_ij7v2g18tsx0y9t6n4n.TMP printfilterpipelinesvc.exe File created C:\Windows\system32\spool\PRINTERS\PP0cqq63ixhnzt10nu4pajdj5fb.TMP printfilterpipelinesvc.exe File created C:\Windows\system32\spool\PRINTERS\PPfpy37645_fhz32v6dqz83or2b.TMP printfilterpipelinesvc.exe File created C:\Windows\system32\spool\PRINTERS\00002.SPL splwow64.exe -
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\wlJ8FiR2h.bmp" ggc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\wlJ8FiR2h.bmp" ggc.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 3228 F53E.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ggc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language F53E.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz ONENOTE.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString ONENOTE.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 ONENOTE.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS ONENOTE.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily ONENOTE.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU ONENOTE.EXE -
Modifies Control Panel 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\Desktop ggc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\Desktop\WallpaperStyle = "10" ggc.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.wlJ8FiR2h ggc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.wlJ8FiR2h\ = "wlJ8FiR2h" ggc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\wlJ8FiR2h\DefaultIcon ggc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\wlJ8FiR2h ggc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\wlJ8FiR2h\DefaultIcon\ = "C:\\ProgramData\\wlJ8FiR2h.ico" ggc.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe 3544 ggc.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeAssignPrimaryTokenPrivilege 3544 ggc.exe Token: SeBackupPrivilege 3544 ggc.exe Token: SeDebugPrivilege 3544 ggc.exe Token: 36 3544 ggc.exe Token: SeImpersonatePrivilege 3544 ggc.exe Token: SeIncBasePriorityPrivilege 3544 ggc.exe Token: SeIncreaseQuotaPrivilege 3544 ggc.exe Token: 33 3544 ggc.exe Token: SeManageVolumePrivilege 3544 ggc.exe Token: SeProfSingleProcessPrivilege 3544 ggc.exe Token: SeRestorePrivilege 3544 ggc.exe Token: SeSecurityPrivilege 3544 ggc.exe Token: SeSystemProfilePrivilege 3544 ggc.exe Token: SeTakeOwnershipPrivilege 3544 ggc.exe Token: SeShutdownPrivilege 3544 ggc.exe Token: SeDebugPrivilege 3544 ggc.exe Token: SeBackupPrivilege 3544 ggc.exe Token: SeBackupPrivilege 3544 ggc.exe Token: SeSecurityPrivilege 3544 ggc.exe Token: SeSecurityPrivilege 3544 ggc.exe Token: SeBackupPrivilege 3544 ggc.exe Token: SeBackupPrivilege 3544 ggc.exe Token: SeSecurityPrivilege 3544 ggc.exe Token: SeSecurityPrivilege 3544 ggc.exe Token: SeBackupPrivilege 3544 ggc.exe Token: SeBackupPrivilege 3544 ggc.exe Token: SeSecurityPrivilege 3544 ggc.exe Token: SeSecurityPrivilege 3544 ggc.exe Token: SeBackupPrivilege 3544 ggc.exe Token: SeBackupPrivilege 3544 ggc.exe Token: SeSecurityPrivilege 3544 ggc.exe Token: SeSecurityPrivilege 3544 ggc.exe Token: SeBackupPrivilege 3544 ggc.exe Token: SeBackupPrivilege 3544 ggc.exe Token: SeSecurityPrivilege 3544 ggc.exe Token: SeSecurityPrivilege 3544 ggc.exe Token: SeBackupPrivilege 3544 ggc.exe Token: SeBackupPrivilege 3544 ggc.exe Token: SeSecurityPrivilege 3544 ggc.exe Token: SeSecurityPrivilege 3544 ggc.exe Token: SeBackupPrivilege 3544 ggc.exe Token: SeBackupPrivilege 3544 ggc.exe Token: SeSecurityPrivilege 3544 ggc.exe Token: SeSecurityPrivilege 3544 ggc.exe Token: SeBackupPrivilege 3544 ggc.exe Token: SeBackupPrivilege 3544 ggc.exe Token: SeSecurityPrivilege 3544 ggc.exe Token: SeSecurityPrivilege 3544 ggc.exe Token: SeBackupPrivilege 3544 ggc.exe Token: SeBackupPrivilege 3544 ggc.exe Token: SeSecurityPrivilege 3544 ggc.exe Token: SeSecurityPrivilege 3544 ggc.exe Token: SeBackupPrivilege 3544 ggc.exe Token: SeBackupPrivilege 3544 ggc.exe Token: SeSecurityPrivilege 3544 ggc.exe Token: SeSecurityPrivilege 3544 ggc.exe Token: SeBackupPrivilege 3544 ggc.exe Token: SeBackupPrivilege 3544 ggc.exe Token: SeSecurityPrivilege 3544 ggc.exe Token: SeSecurityPrivilege 3544 ggc.exe Token: SeBackupPrivilege 3544 ggc.exe Token: SeBackupPrivilege 3544 ggc.exe Token: SeSecurityPrivilege 3544 ggc.exe Token: SeSecurityPrivilege 3544 ggc.exe -
Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 976 ONENOTE.EXE 976 ONENOTE.EXE 976 ONENOTE.EXE 976 ONENOTE.EXE 976 ONENOTE.EXE 976 ONENOTE.EXE 976 ONENOTE.EXE 976 ONENOTE.EXE 976 ONENOTE.EXE 976 ONENOTE.EXE 976 ONENOTE.EXE 976 ONENOTE.EXE 976 ONENOTE.EXE -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2084 wrote to memory of 3544 2084 WebAdvisorInstall.exe 91 PID 2084 wrote to memory of 3544 2084 WebAdvisorInstall.exe 91 PID 2084 wrote to memory of 3544 2084 WebAdvisorInstall.exe 91 PID 3544 wrote to memory of 4428 3544 ggc.exe 98 PID 3544 wrote to memory of 4428 3544 ggc.exe 98 PID 784 wrote to memory of 976 784 printfilterpipelinesvc.exe 101 PID 784 wrote to memory of 976 784 printfilterpipelinesvc.exe 101 PID 3544 wrote to memory of 3228 3544 ggc.exe 102 PID 3544 wrote to memory of 3228 3544 ggc.exe 102 PID 3544 wrote to memory of 3228 3544 ggc.exe 102 PID 3544 wrote to memory of 3228 3544 ggc.exe 102 PID 3228 wrote to memory of 1692 3228 F53E.tmp 103 PID 3228 wrote to memory of 1692 3228 F53E.tmp 103 PID 3228 wrote to memory of 1692 3228 F53E.tmp 103
Processes
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C:\Users\Admin\AppData\Local\Temp\WebAdvisorInstall.exe"C:\Users\Admin\AppData\Local\Temp\WebAdvisorInstall.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2084 -
C:\Users\Admin\AppData\Local\Temp\ggc.exe"C:\Users\Admin\AppData\Local\Temp\ggc.exe"2⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3544 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122883⤵
- Drops file in System32 directory
PID:4428
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C:\ProgramData\F53E.tmp"C:\ProgramData\F53E.tmp"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3228 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\F53E.tmp >> NUL4⤵
- System Location Discovery: System Language Discovery
PID:1692
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:4664
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C:\Windows\system32\printfilterpipelinesvc.exeC:\Windows\system32\printfilterpipelinesvc.exe -Embedding1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:784 -
C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE/insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{EC08C8F2-E2CB-4AD1-A49F-51D5C3BCEB55}.xps" 1336933328301900002⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
PID:976
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
129B
MD5337a488c886c4b61ffc2382f8979b278
SHA1abfba75ffbfd7eb1c79301ee562932820c660c7f
SHA25642a29e4bb10e59eb372225e3007df2beb463a0458f309f4b1807148ebaa14389
SHA512c9398726a33b79f1f7b5cbdb9c9651acf5de071c3eb39c7828940e1e98ba4cc094be8db6daefae3275454f79a9bdcf36f7a667659da1d4f1c4a936fe14cc1b63
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
150KB
MD5f50a99ec40c00efc6ae618f02a0aec78
SHA1ea61a83ce2ba02b2548a2e0c70e5b1b9d6b9c3f9
SHA256f6f806c7d73b376f8d8c0dc4cd89f0e97018ad5fb6020ebf3fe1fb939fbf3a7d
SHA5128f16b74ca795581dab353882b8d7772e5b4926d2d58a74f04d0e9d6afc8076a48e83273a0485530bc06e7c42f51b706452a4105a5dfad482c1342e9ba6982470
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Filesize
150KB
MD57e503c206e57f0295da017914a957d04
SHA196c375b9c57292db73c7ef2f2df16cf7be1604bb
SHA256274844568a6a9ce334d71efeac21f528d7b54b2cd4377c978cc1270c6ad986c4
SHA512cd4889ae107c54df854042e030eb431664d4db9d6dc908d1f1910ca49b89d247222f9d19440fcc2d9a120c95b56cd694750072ab9486eea961b8c33391344c1c
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Filesize
4KB
MD572b12dae2cb40c17af488f5107dc96ab
SHA198ec2fb5f15246d8fefacfbaa626f78750f10e06
SHA2565a884cc367f737c1c2fbb7f79ebaad31746413686f2678d51c00e223c1aaa257
SHA512b95bbf3cc84d727c2eab8b3e1bf0ee86eb38f2c4fba847078ab510a73c92f842bd18271c9146cc2f37c9cb26a331cb9b45776d95cc105227f4ba29e2c08f84ae
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Filesize
3KB
MD5b9674de0868a93e9121bdb1d02d80130
SHA179d692fd03d3110a4358e2cc7442af9517489f3f
SHA2569268d24e96639cf4c0e8d74f9769092b415015692ea528820faaded6fc5b052c
SHA512b3264ad33eddedb2c18da883e2345247c762adc8a604991fce931cba06b86c361d23fa121e79d6c69948a2d5b9c1613139f401b971360d9d684abb5a61543c02
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Filesize
129B
MD573e081bb474d05b74b19c49c06d0f791
SHA141e46134d77c4775110c93752adcda00e9059d53
SHA2564830694e70698a2373c735d5873202d186e27ce30c75af153fe2fead17240d29
SHA512b08af16b1333e0c5eb25efefa5ca16bb5a7cce417a0583a4996844c15e7be733eb505cebb6a018a893f0c563b5e886c37a5b5ae6ea5ea3c188be2298f7117b51