Analysis
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max time kernel
149s -
max time network
168s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
12/02/2023, 02:17
Static task
static1
Behavioral task
behavioral1
Sample
UTES_v2.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
UTES_v2.exe
Resource
win10v2004-20220812-en
General
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Target
UTES_v2.exe
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Size
9.9MB
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MD5
6647145d121243aa0afa229377a1d1d1
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SHA1
9edc3153a277748103d1a4188f446c0e4e526103
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SHA256
e37e702b4d93bd70a885e46ef20ec5d2d7129255fc12e747bb7a7687e29bb520
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SHA512
675ae196b05657a0fcf28749fdcff383351272a1bf02bffc1d52d6d4928f855f167ace2b914b686282483f60cdd26d80f787370445fc784605b568c30bb4b2d2
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SSDEEP
196608:Zy5x+pMmmd6dp40+pkssG1lhuNrmBr4/4dS/cj1BL5LvBI:gSpMmmM4PksEMrqISkj1BL5LJI
Malware Config
Signatures
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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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation UTES_v2.exe -
Executes dropped EXE 1 IoCs
pid Process 4628 utes.exe -
Loads dropped DLL 2 IoCs
pid Process 4628 utes.exe 4628 utes.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 20 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell utes.exe Set value (data) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff utes.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1" utes.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags utes.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ utes.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings utes.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU utes.exe Set value (data) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff utes.exe Set value (data) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 utes.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Documents" utes.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ utes.exe Set value (data) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff utes.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 utes.exe Set value (data) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 14002e80922b16d365937a46956b92703aca08af0000 utes.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 utes.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell utes.exe Set value (data) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots utes.exe Set value (data) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000 utes.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 utes.exe Set value (data) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff utes.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 4628 utes.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4628 utes.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4628 utes.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1744 wrote to memory of 4628 1744 UTES_v2.exe 80 PID 1744 wrote to memory of 4628 1744 UTES_v2.exe 80 PID 1744 wrote to memory of 4628 1744 UTES_v2.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\UTES_v2.exe"C:\Users\Admin\AppData\Local\Temp\UTES_v2.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1744 -
C:\Users\Admin\AppData\Local\Temp\RarSFX0\utes.exe"C:\Users\Admin\AppData\Local\Temp\RarSFX0\utes.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4628
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
9.2MB
MD5ba18715f5efdd20e64f9b31b223a0978
SHA113e6cc6c1e203673db1a4fbe1f0c6f509ad0bf3d
SHA2561590385cabff35627f4b93f81d2b6adb004115d49883c56348886608986d528b
SHA5124a414216e06c47acba0947e10e7ab1cca2d7498c9ff2cf18fc96f0006c1a19f94d6b02bc665aa6d76a4d8058307cca4299bd0b94b76d7d21852b0044aae13369
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Filesize
446KB
MD52ac40da17c4ac9df4a8701faf3913a52
SHA1f5518fd34d920546bafa8d648aa8feeca3179b93
SHA25646bf5f182875f53994b6bee810570f85b2b39643c27ebbee77ce554b1e3b6ed4
SHA51280025e7f79839138b7365071265bcc6d791a3fac48cecd7d170be79a46016c3fcef928676e666f6798a18c534310e5e27bf7f2896214dc615f0913f5f2798f3f
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Filesize
446KB
MD52ac40da17c4ac9df4a8701faf3913a52
SHA1f5518fd34d920546bafa8d648aa8feeca3179b93
SHA25646bf5f182875f53994b6bee810570f85b2b39643c27ebbee77ce554b1e3b6ed4
SHA51280025e7f79839138b7365071265bcc6d791a3fac48cecd7d170be79a46016c3fcef928676e666f6798a18c534310e5e27bf7f2896214dc615f0913f5f2798f3f
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Filesize
446KB
MD52ac40da17c4ac9df4a8701faf3913a52
SHA1f5518fd34d920546bafa8d648aa8feeca3179b93
SHA25646bf5f182875f53994b6bee810570f85b2b39643c27ebbee77ce554b1e3b6ed4
SHA51280025e7f79839138b7365071265bcc6d791a3fac48cecd7d170be79a46016c3fcef928676e666f6798a18c534310e5e27bf7f2896214dc615f0913f5f2798f3f
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Filesize
78KB
MD56ce964c6ce942e6f3ced8436b8e8a4b6
SHA1f20e9ef54ef0d4469a354b53bcdc8cd62349b9c3
SHA25603470192783afcf409dfdf125cbd359c88bd83c5e22d5a24d3386bd3500031c7
SHA51207a79bbb5ca451965f53f5e498192006b00f624625701a7f87bde8e1eaa96f32f46182109a7e38baa243d3959431b0eadd079b54fdae673532d71d330db9a0e8
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Filesize
78KB
MD56ce964c6ce942e6f3ced8436b8e8a4b6
SHA1f20e9ef54ef0d4469a354b53bcdc8cd62349b9c3
SHA25603470192783afcf409dfdf125cbd359c88bd83c5e22d5a24d3386bd3500031c7
SHA51207a79bbb5ca451965f53f5e498192006b00f624625701a7f87bde8e1eaa96f32f46182109a7e38baa243d3959431b0eadd079b54fdae673532d71d330db9a0e8