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Analysis
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max time kernel
149s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20240730-en -
resource tags
arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system -
submitted
30/07/2024, 17:30
Behavioral task
behavioral1
Sample
LB3.exe
Resource
win7-20240704-en
windows7-x64
Behavioral task
behavioral2
Sample
LB3.exe
Resource
win10v2004-20240730-en
windows10-2004-x64
General
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Target
LB3.exe
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Size
147KB
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MD5
11c051782c327c662507801124f0b95b
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SHA1
5dd92a1ab1cfc5b73b5dcdb3edd6ea6d498339df
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SHA256
3c13ae9a53b29849fd3bb75d3259a23658cd687441f8bdd610487007c51d2eac
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SHA512
239f6eba567c59cf956e4f6c8ffe6588bb2b16ede03e939f79db69ae23631881285475f634780a40f94038035fb1329743c9b57c92a9690ec927f6d372d9ca2e
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SSDEEP
1536:GzICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xDuc1UR7zBEDZhT+IhMjo9Uyz:9qJogYkcSNm9V7DJ1URfqVXmjo9T
Malware Config
Extracted
C:\d093fD6aI.README.txt
https://coinatmradar.com
https://www.moonpay.com/buy
https://tox.chat/download.html
Signatures
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Renames multiple (644) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-857544305-989156968-2929034274-1000\Control Panel\International\Geo\Nation FBE5.tmp -
Deletes itself 1 IoCs
pid Process 3492 FBE5.tmp -
Executes dropped EXE 1 IoCs
pid Process 3492 FBE5.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-1-5-21-857544305-989156968-2929034274-1000\desktop.ini LB3.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-857544305-989156968-2929034274-1000\desktop.ini LB3.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\PP34v4upd7r9hdiu0k7dqhzisic.TMP printfilterpipelinesvc.exe File created C:\Windows\system32\spool\PRINTERS\PP__acujjour09z2tgw1r6v9old.TMP printfilterpipelinesvc.exe File created C:\Windows\system32\spool\PRINTERS\00002.SPL splwow64.exe File created C:\Windows\system32\spool\PRINTERS\PP_k5ddxbaaybkoaii1d0hr6dbd.TMP printfilterpipelinesvc.exe -
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-857544305-989156968-2929034274-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\d093fD6aI.bmp" LB3.exe Set value (str) \REGISTRY\USER\S-1-5-21-857544305-989156968-2929034274-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\d093fD6aI.bmp" LB3.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 3492 FBE5.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 LB3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language FBE5.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 Set value (str) \REGISTRY\USER\S-1-5-21-857544305-989156968-2929034274-1000\Control Panel\Desktop\WallpaperStyle = "10" LB3.exe Key created \REGISTRY\USER\S-1-5-21-857544305-989156968-2929034274-1000\Control Panel\Desktop LB3.exe -
Modifies registry class 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\d093fD6aI\DefaultIcon\ = "C:\\ProgramData\\d093fD6aI.ico" LB3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.d093fD6aI LB3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.d093fD6aI\ = "d093fD6aI" LB3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\d093fD6aI\DefaultIcon LB3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\d093fD6aI LB3.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe 3948 LB3.exe -
Suspicious behavior: RenamesItself 26 IoCs
pid Process 3492 FBE5.tmp 3492 FBE5.tmp 3492 FBE5.tmp 3492 FBE5.tmp 3492 FBE5.tmp 3492 FBE5.tmp 3492 FBE5.tmp 3492 FBE5.tmp 3492 FBE5.tmp 3492 FBE5.tmp 3492 FBE5.tmp 3492 FBE5.tmp 3492 FBE5.tmp 3492 FBE5.tmp 3492 FBE5.tmp 3492 FBE5.tmp 3492 FBE5.tmp 3492 FBE5.tmp 3492 FBE5.tmp 3492 FBE5.tmp 3492 FBE5.tmp 3492 FBE5.tmp 3492 FBE5.tmp 3492 FBE5.tmp 3492 FBE5.tmp 3492 FBE5.tmp -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeAssignPrimaryTokenPrivilege 3948 LB3.exe Token: SeBackupPrivilege 3948 LB3.exe Token: SeDebugPrivilege 3948 LB3.exe Token: 36 3948 LB3.exe Token: SeImpersonatePrivilege 3948 LB3.exe Token: SeIncBasePriorityPrivilege 3948 LB3.exe Token: SeIncreaseQuotaPrivilege 3948 LB3.exe Token: 33 3948 LB3.exe Token: SeManageVolumePrivilege 3948 LB3.exe Token: SeProfSingleProcessPrivilege 3948 LB3.exe Token: SeRestorePrivilege 3948 LB3.exe Token: SeSecurityPrivilege 3948 LB3.exe Token: SeSystemProfilePrivilege 3948 LB3.exe Token: SeTakeOwnershipPrivilege 3948 LB3.exe Token: SeShutdownPrivilege 3948 LB3.exe Token: SeDebugPrivilege 3948 LB3.exe Token: SeBackupPrivilege 3948 LB3.exe Token: SeBackupPrivilege 3948 LB3.exe Token: SeSecurityPrivilege 3948 LB3.exe Token: SeSecurityPrivilege 3948 LB3.exe Token: SeBackupPrivilege 3948 LB3.exe Token: SeBackupPrivilege 3948 LB3.exe Token: SeSecurityPrivilege 3948 LB3.exe Token: SeSecurityPrivilege 3948 LB3.exe Token: SeBackupPrivilege 3948 LB3.exe Token: SeBackupPrivilege 3948 LB3.exe Token: SeSecurityPrivilege 3948 LB3.exe Token: SeSecurityPrivilege 3948 LB3.exe Token: SeBackupPrivilege 3948 LB3.exe Token: SeBackupPrivilege 3948 LB3.exe Token: SeSecurityPrivilege 3948 LB3.exe Token: SeSecurityPrivilege 3948 LB3.exe Token: SeBackupPrivilege 3948 LB3.exe Token: SeBackupPrivilege 3948 LB3.exe Token: SeSecurityPrivilege 3948 LB3.exe Token: SeSecurityPrivilege 3948 LB3.exe Token: SeBackupPrivilege 3948 LB3.exe Token: SeBackupPrivilege 3948 LB3.exe Token: SeSecurityPrivilege 3948 LB3.exe Token: SeSecurityPrivilege 3948 LB3.exe Token: SeBackupPrivilege 3948 LB3.exe Token: SeBackupPrivilege 3948 LB3.exe Token: SeSecurityPrivilege 3948 LB3.exe Token: SeSecurityPrivilege 3948 LB3.exe Token: SeBackupPrivilege 3948 LB3.exe Token: SeBackupPrivilege 3948 LB3.exe Token: SeSecurityPrivilege 3948 LB3.exe Token: SeSecurityPrivilege 3948 LB3.exe Token: SeBackupPrivilege 3948 LB3.exe Token: SeBackupPrivilege 3948 LB3.exe Token: SeSecurityPrivilege 3948 LB3.exe Token: SeSecurityPrivilege 3948 LB3.exe Token: SeBackupPrivilege 3948 LB3.exe Token: SeBackupPrivilege 3948 LB3.exe Token: SeSecurityPrivilege 3948 LB3.exe Token: SeSecurityPrivilege 3948 LB3.exe Token: SeBackupPrivilege 3948 LB3.exe Token: SeBackupPrivilege 3948 LB3.exe Token: SeSecurityPrivilege 3948 LB3.exe Token: SeSecurityPrivilege 3948 LB3.exe Token: SeBackupPrivilege 3948 LB3.exe Token: SeBackupPrivilege 3948 LB3.exe Token: SeSecurityPrivilege 3948 LB3.exe Token: SeSecurityPrivilege 3948 LB3.exe -
Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 1728 ONENOTE.EXE 1728 ONENOTE.EXE 1728 ONENOTE.EXE 1728 ONENOTE.EXE 1728 ONENOTE.EXE 1728 ONENOTE.EXE 1728 ONENOTE.EXE 1728 ONENOTE.EXE 1728 ONENOTE.EXE 1728 ONENOTE.EXE 1728 ONENOTE.EXE 1728 ONENOTE.EXE 1728 ONENOTE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3948 wrote to memory of 976 3948 LB3.exe 81 PID 3948 wrote to memory of 976 3948 LB3.exe 81 PID 4684 wrote to memory of 1728 4684 printfilterpipelinesvc.exe 84 PID 4684 wrote to memory of 1728 4684 printfilterpipelinesvc.exe 84 PID 3948 wrote to memory of 3492 3948 LB3.exe 85 PID 3948 wrote to memory of 3492 3948 LB3.exe 85 PID 3948 wrote to memory of 3492 3948 LB3.exe 85 PID 3948 wrote to memory of 3492 3948 LB3.exe 85 PID 3492 wrote to memory of 2556 3492 FBE5.tmp 86 PID 3492 wrote to memory of 2556 3492 FBE5.tmp 86 PID 3492 wrote to memory of 2556 3492 FBE5.tmp 86
Processes
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C:\Users\Admin\AppData\Local\Temp\LB3.exe"C:\Users\Admin\AppData\Local\Temp\LB3.exe"1⤵
- 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:3948 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
- Drops file in System32 directory
PID:976
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C:\ProgramData\FBE5.tmp"C:\ProgramData\FBE5.tmp"2⤵
- Checks computer location settings
- Deletes itself
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3492 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\FBE5.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
PID:2556
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:5028
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C:\Windows\system32\printfilterpipelinesvc.exeC:\Windows\system32\printfilterpipelinesvc.exe -Embedding1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4684 -
C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE/insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{80632152-BF60-4D04-8C11-506C0C64281E}.xps" 1336683424864000002⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
PID:1728
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
129B
MD5a1c6e18c42c09ed8299da23615fc3f39
SHA1e11b300322aeffcb997cb45b567df61a9d545502
SHA25650bc17e5eed62991f7d9429ebd60ed5bbe63bbc860ad8dfe84d950fb4e66a9ea
SHA512f642fd8d0d1e2ea9076434042a6db7d06e32fee802f42ade637e9dc80435a70f83ee115d13b4b8008e41ad6c534495e9f9997c76273d7a9ddc7f2889884a066e
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
147KB
MD5d5e6c0a750785c6cef42a40a0925a7b1
SHA1ea8405f02b5be9c892c2b6ce20eefa030de31ae2
SHA256cae21a327ca0789858d588a7bfebe2c5b4623c11047c3b30d8634137dd3eba79
SHA51263ad7b2a118216ee9e5ffc4c3cfc7247c6598c6f54de35eed73422dc319c43cf006e0b4549a96bd3591a3a49c5ba7298f98129720bc781e9023ccb3d59e61f8f
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Filesize
4KB
MD5a8b2e56bdc85fb57487c1ef4cdd7cfdb
SHA12daed54c17fa26df5f24337cd1eee6b5625daffd
SHA2560379965d3a4ea4124e1774f35839876a94b1edef23a331e3e265da6f32bea501
SHA51226bc68605483ba6f814d701c7a7dce4bb247608df898b792b1b5f6370bc6d7cccc93617ce90e15ada91834c83b4dc5832ff0c5581d9aa3ff8709f09dccdad348
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Filesize
4KB
MD5deb2960f48d37d6c6e76bcd2a07574f6
SHA1313317325978621c675d6d6b2c86a8b3db75519e
SHA2560bc8aec79b5c3b13c37fe7430d2882b99e8fb5b93ed1dd46e6a3c3170f37a133
SHA512a91c38ff5ade00e2cfb7951bec3311fbae8268ccde802643ea80fbe1cf2d3dea9127ba73e06a371c96eec0a25cf2b244516add8cfef76ad4fb8072c883c16283
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Filesize
1KB
MD5c98594c43506b3f4802ebd608ba6be0f
SHA1d8e090434533229fbdcc104b6a43903bfdf8c081
SHA256804575f74fe5b2f28c181f3413b23a0355693ffd9a2c1e69546bb598ce67ebae
SHA5125e3767a0606dae51c49a41ddfde2dd90a17eb53c79212d46c556141bcc6c54bd1c06348a7077251ff75228a5e3604880cabb1309a68490736203e3c49f5c6cba
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Filesize
129B
MD5740acbb98e4506b4afd705a692d42227
SHA12beb29d2b63b6683dfe5030bd3519c85939c62a0
SHA256cfff5279cff7e54497cae0f852fe9693fbb2b34fce53931a419a22e464ca9b9d
SHA5129df4ba24739c4eb54143738343ffc03f31b4d676035f8078fdde9e365e3cb99037097e120f08576a47ebc46f677acca641158c78fb8c93b189ec36a52551c1bb