Analysis
- max time kernel
91s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
09/01/2025, 09:25
Behavioral task
behavioral1
Sample
1.exe
Resource
win7-20241010-en
windows7-x64
14 signatures
150 seconds
Behavioral task
behavioral2
Sample
1.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
14 signatures
150 seconds
General
- Target 1.exe
- Size 147KB
- Sample250109-ldly2awkhs
- SHA256 6f3d87f3dcfd248e64d26cf338a19f41a6f93affdde5fab071a631ff38637757
- MD5 c09185c157831e4915c255d7002941f4
- SHA1 beca597f2c2c120c3d74163501a81f56664ff4f7
- SHA512 a843854ca79f4d98938635612d20f3d5b79d8661ee91d1ae130b2deffe95e44d7028f76b8b221c87fab0638afe5baf3c55e8348f8aa10dddc90133167a3c17bf
- SSDEEP 3072:SqJogYkcSNm9V7DnfX/91c6G+Mqc+2EIEMF+T:Sq2kc4m9tDnfXPc6g+2XEMF
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Path
-
C:\5VFg9o5tW.README.txt
Ransom Note
- ------Dear managers!------ If you are reading this, it means your network has been attacked. What does that mean? We hacked your network and now all your files, documents, client database, projects and other important data safely encrypted with reliable algorithms. we also have a copy of all your data. WARNING!!! You don't have to go to the POLICE, etc. Otherwise we will not be able to help you. You cannot acces the files right now. But do not worry. You can get it back! It is easy to recover in a few steps. As proof, we can decrypt any 3 files you provide. We are not interested to ruin your business. We want to get ransom and be happy. Please bring this information to your team leaders as soon as possible. In case of a successfull transaction, we will restore your systems within 4-6 hours and also provide security recommendations. -----------------------WARNING----------------------- If you modify files - our decrypt software won't able to recover data If you use third party software - you can damage/modify files (see item 1) You nedd cipher key / our decrypt software to restore you files. The police or authorities will not be able to help you get the cipher key. We encourage you to consider your decisions. -----------------------RECOVERY----------------------- Use email: [email protected] Alternative email address: [email protected] ([email protected]) ID message: c5337115f1d1a
Signatures
- Renames multiple (625) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
- 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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation FB58.tmp - Deletes itself 1 IoCs
pid Process 1896 FB58.tmp - Executes dropped EXE 1 IoCs
pid Process 1896 FB58.tmp - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Drops desktop.ini file(s) 2 IoCs
description ioc Process File opened for modification C:\$Recycle.Bin\S-1-5-21-2045521122-590294423-3465680274-1000\desktop.ini 1.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-2045521122-590294423-3465680274-1000\desktop.ini 1.exe - Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 1896 FB58.tmp - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language FB58.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe 1524 1.exe - Suspicious behavior: RenamesItself 26 IoCs
pid Process 1896 FB58.tmp 1896 FB58.tmp 1896 FB58.tmp 1896 FB58.tmp 1896 FB58.tmp 1896 FB58.tmp 1896 FB58.tmp 1896 FB58.tmp 1896 FB58.tmp 1896 FB58.tmp 1896 FB58.tmp 1896 FB58.tmp 1896 FB58.tmp 1896 FB58.tmp 1896 FB58.tmp 1896 FB58.tmp 1896 FB58.tmp 1896 FB58.tmp 1896 FB58.tmp 1896 FB58.tmp 1896 FB58.tmp 1896 FB58.tmp 1896 FB58.tmp 1896 FB58.tmp 1896 FB58.tmp 1896 FB58.tmp - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeAssignPrimaryTokenPrivilege 1524 1.exe Token: SeBackupPrivilege 1524 1.exe Token: SeDebugPrivilege 1524 1.exe Token: 36 1524 1.exe Token: SeImpersonatePrivilege 1524 1.exe Token: SeIncBasePriorityPrivilege 1524 1.exe Token: SeIncreaseQuotaPrivilege 1524 1.exe Token: 33 1524 1.exe Token: SeManageVolumePrivilege 1524 1.exe Token: SeProfSingleProcessPrivilege 1524 1.exe Token: SeRestorePrivilege 1524 1.exe Token: SeSecurityPrivilege 1524 1.exe Token: SeSystemProfilePrivilege 1524 1.exe Token: SeTakeOwnershipPrivilege 1524 1.exe Token: SeShutdownPrivilege 1524 1.exe Token: SeDebugPrivilege 1524 1.exe Token: SeBackupPrivilege 1524 1.exe Token: SeBackupPrivilege 1524 1.exe Token: SeSecurityPrivilege 1524 1.exe Token: SeSecurityPrivilege 1524 1.exe Token: SeBackupPrivilege 1524 1.exe Token: SeBackupPrivilege 1524 1.exe Token: SeSecurityPrivilege 1524 1.exe Token: SeSecurityPrivilege 1524 1.exe Token: SeBackupPrivilege 1524 1.exe Token: SeBackupPrivilege 1524 1.exe Token: SeSecurityPrivilege 1524 1.exe Token: SeSecurityPrivilege 1524 1.exe Token: SeBackupPrivilege 1524 1.exe Token: SeBackupPrivilege 1524 1.exe Token: SeSecurityPrivilege 1524 1.exe Token: SeSecurityPrivilege 1524 1.exe Token: SeBackupPrivilege 1524 1.exe Token: SeBackupPrivilege 1524 1.exe Token: SeSecurityPrivilege 1524 1.exe Token: SeSecurityPrivilege 1524 1.exe Token: SeBackupPrivilege 1524 1.exe Token: SeBackupPrivilege 1524 1.exe Token: SeSecurityPrivilege 1524 1.exe Token: SeSecurityPrivilege 1524 1.exe Token: SeBackupPrivilege 1524 1.exe Token: SeBackupPrivilege 1524 1.exe Token: SeSecurityPrivilege 1524 1.exe Token: SeSecurityPrivilege 1524 1.exe Token: SeBackupPrivilege 1524 1.exe Token: SeBackupPrivilege 1524 1.exe Token: SeSecurityPrivilege 1524 1.exe Token: SeSecurityPrivilege 1524 1.exe Token: SeBackupPrivilege 1524 1.exe Token: SeBackupPrivilege 1524 1.exe Token: SeSecurityPrivilege 1524 1.exe Token: SeSecurityPrivilege 1524 1.exe Token: SeBackupPrivilege 1524 1.exe Token: SeBackupPrivilege 1524 1.exe Token: SeSecurityPrivilege 1524 1.exe Token: SeSecurityPrivilege 1524 1.exe Token: SeBackupPrivilege 1524 1.exe Token: SeBackupPrivilege 1524 1.exe Token: SeSecurityPrivilege 1524 1.exe Token: SeSecurityPrivilege 1524 1.exe Token: SeBackupPrivilege 1524 1.exe Token: SeBackupPrivilege 1524 1.exe Token: SeSecurityPrivilege 1524 1.exe Token: SeSecurityPrivilege 1524 1.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1524 wrote to memory of 1896 1524 1.exe 85 PID 1524 wrote to memory of 1896 1524 1.exe 85 PID 1524 wrote to memory of 1896 1524 1.exe 85 PID 1524 wrote to memory of 1896 1524 1.exe 85 PID 1896 wrote to memory of 3956 1896 FB58.tmp 86 PID 1896 wrote to memory of 3956 1896 FB58.tmp 86 PID 1896 wrote to memory of 3956 1896 FB58.tmp 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\1.exe"C:\Users\Admin\AppData\Local\Temp\1.exe"1⤵
- Drops desktop.ini file(s)
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1524 -
C:\ProgramData\FB58.tmp"C:\ProgramData\FB58.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:1896 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\FB58.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
PID:3956
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\$Recycle.Bin\S-1-5-21-2045521122-590294423-3465680274-1000\DDDDDDDDDDD
- Size 129B
- SHA256 a5190e76949d053f3481367738dabf58b241c3f0c3bf061574440f657629b970
- MD5 da1b0ba0dd75751ec8f6e9ae225148e0
- SHA1 80a431520b8b5a5c45e54e8dd1ca04f79451d50a
- SHA512 3401f304e5b7e942ef5f3fc71499d4a9afeedc698bbd83910ce8239074e040b74653f42e326dc8c2d2efcbe77b23c7a05deac9e0bdfd0b099a238096423acb10
- MD5 SHA1 SHA512
- Path C:\5VFg9o5tW.README.txt
- Size 1KB
- SHA256 94aaefad5d5a9fea79e9271941a5e874951cceac46a110ef0f1de841051f6421
- MD5 17e3459297cd54cf124d089248ff395b
- SHA1 617e2ddd0a69a242d4da510d32670a170ff667fa
- SHA512 280536a672423a4bf4df1cb7cd49bd0a7a3f731dfe4543359a84d3a82d734e3882386b336af62a77e2763cbe7fe9e4ff6ae852241dd61ab702cda1b0d2f02e13
- MD5 SHA1 SHA512
- Path C:\ProgramData\FB58.tmp
- Size 14KB
- SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
- MD5 294e9f64cb1642dd89229fff0592856b
- SHA1 97b148c27f3da29ba7b18d6aee8a0db9102f47c9
- SHA512 b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
- SSDEEP 384:5cFP7VtpK4p+31Mzh79W5vM+ZyUgGq4BtMvAxXCRsi:A7Vf9p+qQ02y5HW6kX
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\CCCCC
- Size 147KB
- SHA256 286538b4ea1a67b6302b74ab4755249468b9b765249c77bdedd5e5cac9c1ab40
- MD5 028d0ab3db0bb7139aabf17fd2f22c9b
- SHA1 b3ab5e8e56ee6b87d3ff6101a920ed02308ff57b
- SHA512 301f72549c0848297a65ccb89bcf32759ae16ba684524c57290490c61b1534213b3c083a10f44c50d909061bbbeabb6b94bcd10f474bbc7c56f65f2e03e30139
- SSDEEP 1536:MKfIvn1QgAW553mJ9S2aBJ43owRvj4tCgh3v+KWKfIvn1QgAW553mJ9S2aBJ43o2:MKm1NnW9mwvKWKm1NnW9mwvKWKm1NnWe
- MD5 SHA1 SHA512 SSDEEP
- Path F:\$RECYCLE.BIN\S-1-5-21-2045521122-590294423-3465680274-1000\DDDDDDDDDDD
- Size 129B
- SHA256 9fc706337172f2563969558280263290e9ce1b3f6094b551b3d00154d2d8b6b7
- MD5 6bcd984ac5963c14ff7e038bb23668f0
- SHA1 404c3e1a23cd33b4b8ee12eea72499abaf17f86b
- SHA512 5bed06a68dd8a780b36b79ae8b420e87fc8009e747f62d0af4962453055000f687781e77a6a09f0be1e66dec5513e42adca3fb246d87ec0c6d75ac531ce37e16
- MD5 SHA1 SHA512