Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
14-01-2025 01:40
Behavioral task
behavioral1
Sample
ransomware.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ransomware.exe
Resource
win10v2004-20241007-en
General
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Target
ransomware.exe
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Size
147KB
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MD5
c09185c157831e4915c255d7002941f4
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SHA1
beca597f2c2c120c3d74163501a81f56664ff4f7
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SHA256
6f3d87f3dcfd248e64d26cf338a19f41a6f93affdde5fab071a631ff38637757
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SHA512
a843854ca79f4d98938635612d20f3d5b79d8661ee91d1ae130b2deffe95e44d7028f76b8b221c87fab0638afe5baf3c55e8348f8aa10dddc90133167a3c17bf
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SSDEEP
3072:SqJogYkcSNm9V7DnfX/91c6G+Mqc+2EIEMF+T:Sq2kc4m9tDnfXPc6g+2XEMF
Malware Config
Extracted
C:\5VFg9o5tW.README.txt
Signatures
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Renames multiple (358) 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
pid Process 2972 AE0B.tmp -
Executes dropped EXE 1 IoCs
pid Process 2972 AE0B.tmp -
Loads dropped DLL 1 IoCs
pid Process 3068 ransomware.exe -
Reads user/profile data of web browsers 3 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-1-5-21-3063565911-2056067323-3330884624-1000\desktop.ini ransomware.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-3063565911-2056067323-3330884624-1000\desktop.ini ransomware.exe -
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2972 AE0B.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 ransomware.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AE0B.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 3068 ransomware.exe 3068 ransomware.exe 3068 ransomware.exe 3068 ransomware.exe 3068 ransomware.exe 3068 ransomware.exe 3068 ransomware.exe 3068 ransomware.exe 3068 ransomware.exe 3068 ransomware.exe 3068 ransomware.exe 3068 ransomware.exe -
Suspicious behavior: RenamesItself 26 IoCs
pid Process 2972 AE0B.tmp 2972 AE0B.tmp 2972 AE0B.tmp 2972 AE0B.tmp 2972 AE0B.tmp 2972 AE0B.tmp 2972 AE0B.tmp 2972 AE0B.tmp 2972 AE0B.tmp 2972 AE0B.tmp 2972 AE0B.tmp 2972 AE0B.tmp 2972 AE0B.tmp 2972 AE0B.tmp 2972 AE0B.tmp 2972 AE0B.tmp 2972 AE0B.tmp 2972 AE0B.tmp 2972 AE0B.tmp 2972 AE0B.tmp 2972 AE0B.tmp 2972 AE0B.tmp 2972 AE0B.tmp 2972 AE0B.tmp 2972 AE0B.tmp 2972 AE0B.tmp -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeAssignPrimaryTokenPrivilege 3068 ransomware.exe Token: SeBackupPrivilege 3068 ransomware.exe Token: SeDebugPrivilege 3068 ransomware.exe Token: 36 3068 ransomware.exe Token: SeImpersonatePrivilege 3068 ransomware.exe Token: SeIncBasePriorityPrivilege 3068 ransomware.exe Token: SeIncreaseQuotaPrivilege 3068 ransomware.exe Token: 33 3068 ransomware.exe Token: SeManageVolumePrivilege 3068 ransomware.exe Token: SeProfSingleProcessPrivilege 3068 ransomware.exe Token: SeRestorePrivilege 3068 ransomware.exe Token: SeSecurityPrivilege 3068 ransomware.exe Token: SeSystemProfilePrivilege 3068 ransomware.exe Token: SeTakeOwnershipPrivilege 3068 ransomware.exe Token: SeShutdownPrivilege 3068 ransomware.exe Token: SeDebugPrivilege 3068 ransomware.exe Token: SeBackupPrivilege 3068 ransomware.exe Token: SeBackupPrivilege 3068 ransomware.exe Token: SeSecurityPrivilege 3068 ransomware.exe Token: SeSecurityPrivilege 3068 ransomware.exe Token: SeBackupPrivilege 3068 ransomware.exe Token: SeBackupPrivilege 3068 ransomware.exe Token: SeSecurityPrivilege 3068 ransomware.exe Token: SeSecurityPrivilege 3068 ransomware.exe Token: SeBackupPrivilege 3068 ransomware.exe Token: SeBackupPrivilege 3068 ransomware.exe Token: SeSecurityPrivilege 3068 ransomware.exe Token: SeSecurityPrivilege 3068 ransomware.exe Token: SeBackupPrivilege 3068 ransomware.exe Token: SeBackupPrivilege 3068 ransomware.exe Token: SeSecurityPrivilege 3068 ransomware.exe Token: SeSecurityPrivilege 3068 ransomware.exe Token: SeBackupPrivilege 3068 ransomware.exe Token: SeBackupPrivilege 3068 ransomware.exe Token: SeSecurityPrivilege 3068 ransomware.exe Token: SeSecurityPrivilege 3068 ransomware.exe Token: SeBackupPrivilege 3068 ransomware.exe Token: SeBackupPrivilege 3068 ransomware.exe Token: SeSecurityPrivilege 3068 ransomware.exe Token: SeSecurityPrivilege 3068 ransomware.exe Token: SeBackupPrivilege 3068 ransomware.exe Token: SeBackupPrivilege 3068 ransomware.exe Token: SeSecurityPrivilege 3068 ransomware.exe Token: SeSecurityPrivilege 3068 ransomware.exe Token: SeBackupPrivilege 3068 ransomware.exe Token: SeBackupPrivilege 3068 ransomware.exe Token: SeSecurityPrivilege 3068 ransomware.exe Token: SeSecurityPrivilege 3068 ransomware.exe Token: SeBackupPrivilege 3068 ransomware.exe Token: SeBackupPrivilege 3068 ransomware.exe Token: SeSecurityPrivilege 3068 ransomware.exe Token: SeSecurityPrivilege 3068 ransomware.exe Token: SeBackupPrivilege 3068 ransomware.exe Token: SeBackupPrivilege 3068 ransomware.exe Token: SeSecurityPrivilege 3068 ransomware.exe Token: SeSecurityPrivilege 3068 ransomware.exe Token: SeBackupPrivilege 3068 ransomware.exe Token: SeBackupPrivilege 3068 ransomware.exe Token: SeSecurityPrivilege 3068 ransomware.exe Token: SeSecurityPrivilege 3068 ransomware.exe Token: SeBackupPrivilege 3068 ransomware.exe Token: SeBackupPrivilege 3068 ransomware.exe Token: SeSecurityPrivilege 3068 ransomware.exe Token: SeSecurityPrivilege 3068 ransomware.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3068 wrote to memory of 2972 3068 ransomware.exe 32 PID 3068 wrote to memory of 2972 3068 ransomware.exe 32 PID 3068 wrote to memory of 2972 3068 ransomware.exe 32 PID 3068 wrote to memory of 2972 3068 ransomware.exe 32 PID 3068 wrote to memory of 2972 3068 ransomware.exe 32 PID 2972 wrote to memory of 400 2972 AE0B.tmp 33 PID 2972 wrote to memory of 400 2972 AE0B.tmp 33 PID 2972 wrote to memory of 400 2972 AE0B.tmp 33 PID 2972 wrote to memory of 400 2972 AE0B.tmp 33
Processes
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C:\Users\Admin\AppData\Local\Temp\ransomware.exe"C:\Users\Admin\AppData\Local\Temp\ransomware.exe"1⤵
- Loads dropped DLL
- Drops desktop.ini file(s)
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3068 -
C:\ProgramData\AE0B.tmp"C:\ProgramData\AE0B.tmp"2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2972 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\AE0B.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
PID:400
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x14c1⤵PID:1560
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
129B
MD51059e0011085d40a2b54ee845009cb5a
SHA1ad6d847e9ec870a5ad646a285823d435b236f1d5
SHA2565047fa31c96564af46d2ab7101e9681e7a000dc055b2fcde2c9beed88d4ea050
SHA512cf8f286549b7764e6a9ebc6e6031edd80a8be432a4e31687fd51e89fa753cdb4732e87247ba7b06035390640a45b2bf382ab2bb75d8b499edd0e3e7924fc78fa
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Filesize
1KB
MD517e3459297cd54cf124d089248ff395b
SHA1617e2ddd0a69a242d4da510d32670a170ff667fa
SHA25694aaefad5d5a9fea79e9271941a5e874951cceac46a110ef0f1de841051f6421
SHA512280536a672423a4bf4df1cb7cd49bd0a7a3f731dfe4543359a84d3a82d734e3882386b336af62a77e2763cbe7fe9e4ff6ae852241dd61ab702cda1b0d2f02e13
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Filesize
147KB
MD50b71de6eaf14f889e56fe79f195d8bb9
SHA14e1cfc5acdb70fb6c539b805c574f1452deb5612
SHA2565c3c4ee963099ea4d790bbfb0840ec2b5b8cb011ec2c3051ec35c999af74827b
SHA512b85b79353b20d01f63ee15703e8d2aaf207e6b5e8482168972619e23e7477604e7b19d0817af49d10db47c5a0a1f4c2e0798ddee569171ba61a1a367529cd418
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Filesize
129B
MD53e3789b2f4c46057dd644bd93706a5bb
SHA1c213a377bdc8d5c467ddb958e3fbc91c62954062
SHA256787f7e205fd781470490e3cc476d74da705752b6de5d33ba394624f7c29d82fa
SHA512134817316ca5d332ff0eb15d2664d693478b168c342369d5f8938f221a103e55b5ce99c55d2b343707e7e67a7cecab8b7e563aff71ee2b9b77ca3203cebb91bb
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf