Analysis
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max time kernel
43s -
max time network
28s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
15-07-2024 08:06
Behavioral task
behavioral1
Sample
Loader 3.0.exe
Resource
win7-20240708-en
windows7-x64
Behavioral task
behavioral2
Sample
Loader 3.0.exe
Resource
win10-20240404-en
windows10-1703-x64
Behavioral task
behavioral3
Sample
Loader 3.0.exe
Resource
win10v2004-20240709-en
windows10-2004-x64
Behavioral task
behavioral4
Sample
Loader 3.0.exe
Resource
win11-20240709-en
windows11-21h2-x64
General
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Target
Loader 3.0.exe
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Size
147KB
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MD5
ff4cd364323fc2048c35783a38070aef
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SHA1
4736172dd07a3a196343b94dd56b4e4edc0f2bce
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SHA256
6dd7522accb6773bade16720b53ca577574defae5b1c7caf4b7fc6826dfed7e7
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SHA512
c72b07b78ccbcfad14fa9f7bc3e8a086c29969b4f7f30dbe57a1a173cd82d61a20bf5ead0bc7b627d5d7f7f0def71710e2ce09590be7a886ad6c9414981eb961
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SSDEEP
1536:FzICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xDEtDyI4njdbJBGCkmsQwvB6jr4j:GqJogYkcSNm9V7Dk4F91qYUrnbT
Malware Config
Signatures
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Renames multiple (526) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Deletes itself 1 IoCs
Processes:
95C9.tmppid Process 2404 95C9.tmp -
Executes dropped EXE 1 IoCs
Processes:
95C9.tmppid Process 2404 95C9.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
Processes:
Loader 3.0.exedescription ioc Process File opened for modification C:\$Recycle.Bin\S-1-5-21-3699363923-1875576828-3287151903-1000\desktop.ini Loader 3.0.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-3699363923-1875576828-3287151903-1000\desktop.ini Loader 3.0.exe -
Drops file in System32 directory 4 IoCs
Processes:
printfilterpipelinesvc.exesplwow64.exedescription ioc Process File created C:\Windows\system32\spool\PRINTERS\PP00s1dvbbtz_0au8qu2jlnfe0c.TMP printfilterpipelinesvc.exe File created C:\Windows\system32\spool\PRINTERS\00002.SPL splwow64.exe File created C:\Windows\system32\spool\PRINTERS\PPeyte4srxhxqbt3dyg79w0880.TMP printfilterpipelinesvc.exe File created C:\Windows\system32\spool\PRINTERS\PPo6o4wdi7s4o5w064u7jhdbo_.TMP printfilterpipelinesvc.exe -
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
Processes:
Loader 3.0.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\Jw5Jgl9mC.bmp" Loader 3.0.exe Set value (str) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\Jw5Jgl9mC.bmp" Loader 3.0.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
95C9.tmppid Process 2404 95C9.tmp -
Drops file in Windows directory 1 IoCs
Processes:
svchost.exedescription ioc Process File opened for modification C:\Windows\Debug\ESE.TXT svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
ONENOTE.EXEdescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString ONENOTE.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 ONENOTE.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz ONENOTE.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
ONENOTE.EXEdescription 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
Processes:
Loader 3.0.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\Control Panel\Desktop\WallpaperStyle = "10" Loader 3.0.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\Control Panel\Desktop Loader 3.0.exe -
Modifies registry class 5 IoCs
Processes:
Loader 3.0.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Jw5Jgl9mC Loader 3.0.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Jw5Jgl9mC\ = "Jw5Jgl9mC" Loader 3.0.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Jw5Jgl9mC\DefaultIcon Loader 3.0.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Jw5Jgl9mC Loader 3.0.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Jw5Jgl9mC\DefaultIcon\ = "C:\\ProgramData\\Jw5Jgl9mC.ico" Loader 3.0.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
Processes:
Loader 3.0.exeONENOTE.EXEpid Process 3580 Loader 3.0.exe 3580 Loader 3.0.exe 3580 Loader 3.0.exe 3580 Loader 3.0.exe 3580 Loader 3.0.exe 3580 Loader 3.0.exe 3580 Loader 3.0.exe 3580 Loader 3.0.exe 3580 Loader 3.0.exe 3580 Loader 3.0.exe 3580 Loader 3.0.exe 3580 Loader 3.0.exe 3580 Loader 3.0.exe 3580 Loader 3.0.exe 3580 Loader 3.0.exe 3580 Loader 3.0.exe 3580 Loader 3.0.exe 3580 Loader 3.0.exe 3580 Loader 3.0.exe 3580 Loader 3.0.exe 3580 Loader 3.0.exe 3580 Loader 3.0.exe 3580 Loader 3.0.exe 3580 Loader 3.0.exe 3580 Loader 3.0.exe 3580 Loader 3.0.exe 4296 ONENOTE.EXE 4296 ONENOTE.EXE -
Suspicious behavior: RenamesItself 26 IoCs
Processes:
95C9.tmppid Process 2404 95C9.tmp 2404 95C9.tmp 2404 95C9.tmp 2404 95C9.tmp 2404 95C9.tmp 2404 95C9.tmp 2404 95C9.tmp 2404 95C9.tmp 2404 95C9.tmp 2404 95C9.tmp 2404 95C9.tmp 2404 95C9.tmp 2404 95C9.tmp 2404 95C9.tmp 2404 95C9.tmp 2404 95C9.tmp 2404 95C9.tmp 2404 95C9.tmp 2404 95C9.tmp 2404 95C9.tmp 2404 95C9.tmp 2404 95C9.tmp 2404 95C9.tmp 2404 95C9.tmp 2404 95C9.tmp 2404 95C9.tmp -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
Loader 3.0.exedescription pid Process Token: SeAssignPrimaryTokenPrivilege 3580 Loader 3.0.exe Token: SeBackupPrivilege 3580 Loader 3.0.exe Token: SeDebugPrivilege 3580 Loader 3.0.exe Token: 36 3580 Loader 3.0.exe Token: SeImpersonatePrivilege 3580 Loader 3.0.exe Token: SeIncBasePriorityPrivilege 3580 Loader 3.0.exe Token: SeIncreaseQuotaPrivilege 3580 Loader 3.0.exe Token: 33 3580 Loader 3.0.exe Token: SeManageVolumePrivilege 3580 Loader 3.0.exe Token: SeProfSingleProcessPrivilege 3580 Loader 3.0.exe Token: SeRestorePrivilege 3580 Loader 3.0.exe Token: SeSecurityPrivilege 3580 Loader 3.0.exe Token: SeSystemProfilePrivilege 3580 Loader 3.0.exe Token: SeTakeOwnershipPrivilege 3580 Loader 3.0.exe Token: SeShutdownPrivilege 3580 Loader 3.0.exe Token: SeDebugPrivilege 3580 Loader 3.0.exe Token: SeBackupPrivilege 3580 Loader 3.0.exe Token: SeBackupPrivilege 3580 Loader 3.0.exe Token: SeSecurityPrivilege 3580 Loader 3.0.exe Token: SeSecurityPrivilege 3580 Loader 3.0.exe Token: SeBackupPrivilege 3580 Loader 3.0.exe Token: SeBackupPrivilege 3580 Loader 3.0.exe Token: SeSecurityPrivilege 3580 Loader 3.0.exe Token: SeSecurityPrivilege 3580 Loader 3.0.exe Token: SeBackupPrivilege 3580 Loader 3.0.exe Token: SeBackupPrivilege 3580 Loader 3.0.exe Token: SeSecurityPrivilege 3580 Loader 3.0.exe Token: SeSecurityPrivilege 3580 Loader 3.0.exe Token: SeBackupPrivilege 3580 Loader 3.0.exe Token: SeBackupPrivilege 3580 Loader 3.0.exe Token: SeSecurityPrivilege 3580 Loader 3.0.exe Token: SeSecurityPrivilege 3580 Loader 3.0.exe Token: SeBackupPrivilege 3580 Loader 3.0.exe Token: SeBackupPrivilege 3580 Loader 3.0.exe Token: SeSecurityPrivilege 3580 Loader 3.0.exe Token: SeSecurityPrivilege 3580 Loader 3.0.exe Token: SeBackupPrivilege 3580 Loader 3.0.exe Token: SeBackupPrivilege 3580 Loader 3.0.exe Token: SeSecurityPrivilege 3580 Loader 3.0.exe Token: SeSecurityPrivilege 3580 Loader 3.0.exe Token: SeBackupPrivilege 3580 Loader 3.0.exe Token: SeBackupPrivilege 3580 Loader 3.0.exe Token: SeSecurityPrivilege 3580 Loader 3.0.exe Token: SeSecurityPrivilege 3580 Loader 3.0.exe Token: SeBackupPrivilege 3580 Loader 3.0.exe Token: SeBackupPrivilege 3580 Loader 3.0.exe Token: SeSecurityPrivilege 3580 Loader 3.0.exe Token: SeSecurityPrivilege 3580 Loader 3.0.exe Token: SeBackupPrivilege 3580 Loader 3.0.exe Token: SeBackupPrivilege 3580 Loader 3.0.exe Token: SeSecurityPrivilege 3580 Loader 3.0.exe Token: SeSecurityPrivilege 3580 Loader 3.0.exe Token: SeBackupPrivilege 3580 Loader 3.0.exe Token: SeBackupPrivilege 3580 Loader 3.0.exe Token: SeSecurityPrivilege 3580 Loader 3.0.exe Token: SeSecurityPrivilege 3580 Loader 3.0.exe Token: SeBackupPrivilege 3580 Loader 3.0.exe Token: SeBackupPrivilege 3580 Loader 3.0.exe Token: SeSecurityPrivilege 3580 Loader 3.0.exe Token: SeSecurityPrivilege 3580 Loader 3.0.exe Token: SeBackupPrivilege 3580 Loader 3.0.exe Token: SeBackupPrivilege 3580 Loader 3.0.exe Token: SeSecurityPrivilege 3580 Loader 3.0.exe Token: SeSecurityPrivilege 3580 Loader 3.0.exe -
Suspicious use of SetWindowsHookEx 13 IoCs
Processes:
ONENOTE.EXEpid Process 4296 ONENOTE.EXE 4296 ONENOTE.EXE 4296 ONENOTE.EXE 4296 ONENOTE.EXE 4296 ONENOTE.EXE 4296 ONENOTE.EXE 4296 ONENOTE.EXE 4296 ONENOTE.EXE 4296 ONENOTE.EXE 4296 ONENOTE.EXE 4296 ONENOTE.EXE 4296 ONENOTE.EXE 4296 ONENOTE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
Loader 3.0.exeprintfilterpipelinesvc.exe95C9.tmpdescription pid Process procid_target PID 3580 wrote to memory of 3628 3580 Loader 3.0.exe 78 PID 3580 wrote to memory of 3628 3580 Loader 3.0.exe 78 PID 4300 wrote to memory of 4296 4300 printfilterpipelinesvc.exe 80 PID 4300 wrote to memory of 4296 4300 printfilterpipelinesvc.exe 80 PID 3580 wrote to memory of 2404 3580 Loader 3.0.exe 81 PID 3580 wrote to memory of 2404 3580 Loader 3.0.exe 81 PID 3580 wrote to memory of 2404 3580 Loader 3.0.exe 81 PID 3580 wrote to memory of 2404 3580 Loader 3.0.exe 81 PID 2404 wrote to memory of 2468 2404 95C9.tmp 82 PID 2404 wrote to memory of 2468 2404 95C9.tmp 82 PID 2404 wrote to memory of 2468 2404 95C9.tmp 82
Processes
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C:\Users\Admin\AppData\Local\Temp\Loader 3.0.exe"C:\Users\Admin\AppData\Local\Temp\Loader 3.0.exe"1⤵
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3580 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
- Drops file in System32 directory
PID:3628
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C:\ProgramData\95C9.tmp"C:\ProgramData\95C9.tmp"2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2404 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\95C9.tmp >> NUL3⤵PID:2468
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k appmodel -s tiledatamodelsvc1⤵
- Drops file in Windows directory
PID:4820
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C:\Windows\system32\printfilterpipelinesvc.exeC:\Windows\system32\printfilterpipelinesvc.exe -Embedding1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4300 -
C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE/insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{83017BCF-2D7C-4B44-9F9C-BCE9C7B1A2A0}.xps" 1336550440065100002⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4296
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
129B
MD51bc333858f0a2ffa4175c958e3de4b2c
SHA1f1238bcd3cdaa706ce1bddc47dd9bae31b42125d
SHA25670ec8f41c58bea27a832828d80d5da0b0afa34133ce466318bb002d72d8035d8
SHA5127636984f56f75234a685a1d08a902e8db2b2d865a23c7197576243f06c031a1e53b1bd1e0085367846f96e1304ad158f7402481e47dfc6042ed7cee3f651f582
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Filesize
1KB
MD58b28296a2c168d86adbafc888d0f95f0
SHA149d6b109bf24f39c2c0f62c0796b8693c0bd99e5
SHA2567b3daacf846fe79840647e67d9c5226a7fda47d5b32c24d874654e8ff78ffcc9
SHA512b0f0e0a6f2962250c3b9f87637854756e7a0fcde561aae14654d0dcd1e1013876442c0354e41c5bc8e3ef57f170ac2073874ff22fdc5656f62f930350f9df6ac
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
147KB
MD58616dac1afd33e6f3ef318104a3ce512
SHA19d56ed27ca2d01f996fb0a4f8ffc6dd2c973931d
SHA256a4b09ce88210454cbfa0f1eb8d29499396604dbd2223a597a7d5c571503869c3
SHA5126c7fbfc709034f74c9d9069ae7274557dc0d7a72917a9c54cb66d47c03344cbd7cc9d4066edabe060c2ee861f5de777fe3bbdae8f417855b4c510e5335e30a9d
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Filesize
4KB
MD5fd86950a5885c5ce5eb2fe119397ee81
SHA15bd2a55790944c918e18abfe0d2ace1effd140fb
SHA256859c425e9ff71f996823329b9db8b56ece4d2e9d713cb56ff07c5a0422eed1e5
SHA512876d5bb0cb0b7f2805116edaeb869a73b9ef3ef17260e8f0d2a9e602e52c56e967fac69f541a387a51ef1d9ef26fff2ff02c608bff73beb738bd9961b94d5376
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Filesize
4KB
MD5fb6da6484214760c97424b8c6ecea365
SHA1e4d7f0c1fcf35fdaa0e9e85d1d9321fed52be6b6
SHA25638ad84d787fbfe9be9dc771230148655b9f4ffe82c5e63fdea07b0a53c490224
SHA5120342f235e1e1e260e0f344c502b8161b6fae08adc0ef1c5e7cd27a97ad4ef662fad22ea288b58d79e2b586fbe9cf76f7d963e516b09c8f0174edb7c887fcfdce
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Filesize
129B
MD58152cbe230625961a79d874281d91f15
SHA1bbffd6f9c5343223eae0734309e4712fd1f910b9
SHA25635eb19c91ceb2c52876377a45d70dd2545b7a985549fc9d3949d24efa2ce703d
SHA512e62e1b2e80dd53a89ddba75c007062e54ea58d32c1da1b64dac0b1e5bb5ab1ac136df8e5457d3c403dbeae2e3133af2799b00cbfa9a9be44724afd86e8016889