Analysis
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max time kernel
94s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
22-09-2024 16:53
Static task
static1
Behavioral task
behavioral1
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 behavioral1/files/0x000a000000023476-4.dat family_umbral behavioral1/memory/2752-11-0x0000027A6B6A0000-0x0000027A6B6E0000-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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pid Process 864 powershell.exe 1056 powershell.exe 724 powershell.exe 680 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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation Isolence.exe -
Executes dropped EXE 1 IoCs
pid Process 2752 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 26 discord.com 27 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 8 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 2508 cmd.exe 4236 PING.EXE -
Detects videocard installed 1 TTPs 1 IoCs
Uses WMIC.exe to determine videocard installed.
pid Process 4004 wmic.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4236 PING.EXE -
Suspicious behavior: EnumeratesProcesses 13 IoCs
pid Process 4556 powershell.exe 4556 powershell.exe 2752 insolence.exe 680 powershell.exe 680 powershell.exe 864 powershell.exe 864 powershell.exe 1056 powershell.exe 1056 powershell.exe 1020 powershell.exe 1020 powershell.exe 724 powershell.exe 724 powershell.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2752 insolence.exe Token: SeIncreaseQuotaPrivilege 468 wmic.exe Token: SeSecurityPrivilege 468 wmic.exe Token: SeTakeOwnershipPrivilege 468 wmic.exe Token: SeLoadDriverPrivilege 468 wmic.exe Token: SeSystemProfilePrivilege 468 wmic.exe Token: SeSystemtimePrivilege 468 wmic.exe Token: SeProfSingleProcessPrivilege 468 wmic.exe Token: SeIncBasePriorityPrivilege 468 wmic.exe Token: SeCreatePagefilePrivilege 468 wmic.exe Token: SeBackupPrivilege 468 wmic.exe Token: SeRestorePrivilege 468 wmic.exe Token: SeShutdownPrivilege 468 wmic.exe Token: SeDebugPrivilege 468 wmic.exe Token: SeSystemEnvironmentPrivilege 468 wmic.exe Token: SeRemoteShutdownPrivilege 468 wmic.exe Token: SeUndockPrivilege 468 wmic.exe Token: SeManageVolumePrivilege 468 wmic.exe Token: 33 468 wmic.exe Token: 34 468 wmic.exe Token: 35 468 wmic.exe Token: 36 468 wmic.exe Token: SeDebugPrivilege 4556 powershell.exe Token: SeIncreaseQuotaPrivilege 468 wmic.exe Token: SeSecurityPrivilege 468 wmic.exe Token: SeTakeOwnershipPrivilege 468 wmic.exe Token: SeLoadDriverPrivilege 468 wmic.exe Token: SeSystemProfilePrivilege 468 wmic.exe Token: SeSystemtimePrivilege 468 wmic.exe Token: SeProfSingleProcessPrivilege 468 wmic.exe Token: SeIncBasePriorityPrivilege 468 wmic.exe Token: SeCreatePagefilePrivilege 468 wmic.exe Token: SeBackupPrivilege 468 wmic.exe Token: SeRestorePrivilege 468 wmic.exe Token: SeShutdownPrivilege 468 wmic.exe Token: SeDebugPrivilege 468 wmic.exe Token: SeSystemEnvironmentPrivilege 468 wmic.exe Token: SeRemoteShutdownPrivilege 468 wmic.exe Token: SeUndockPrivilege 468 wmic.exe Token: SeManageVolumePrivilege 468 wmic.exe Token: 33 468 wmic.exe Token: 34 468 wmic.exe Token: 35 468 wmic.exe Token: 36 468 wmic.exe Token: SeDebugPrivilege 680 powershell.exe Token: SeDebugPrivilege 864 powershell.exe Token: SeDebugPrivilege 1056 powershell.exe Token: SeDebugPrivilege 1020 powershell.exe Token: SeIncreaseQuotaPrivilege 4080 wmic.exe Token: SeSecurityPrivilege 4080 wmic.exe Token: SeTakeOwnershipPrivilege 4080 wmic.exe Token: SeLoadDriverPrivilege 4080 wmic.exe Token: SeSystemProfilePrivilege 4080 wmic.exe Token: SeSystemtimePrivilege 4080 wmic.exe Token: SeProfSingleProcessPrivilege 4080 wmic.exe Token: SeIncBasePriorityPrivilege 4080 wmic.exe Token: SeCreatePagefilePrivilege 4080 wmic.exe Token: SeBackupPrivilege 4080 wmic.exe Token: SeRestorePrivilege 4080 wmic.exe Token: SeShutdownPrivilege 4080 wmic.exe Token: SeDebugPrivilege 4080 wmic.exe Token: SeSystemEnvironmentPrivilege 4080 wmic.exe Token: SeRemoteShutdownPrivilege 4080 wmic.exe Token: SeUndockPrivilege 4080 wmic.exe -
Suspicious use of WriteProcessMemory 31 IoCs
description pid Process procid_target PID 3844 wrote to memory of 4556 3844 Isolence.exe 82 PID 3844 wrote to memory of 4556 3844 Isolence.exe 82 PID 3844 wrote to memory of 4556 3844 Isolence.exe 82 PID 3844 wrote to memory of 2752 3844 Isolence.exe 84 PID 3844 wrote to memory of 2752 3844 Isolence.exe 84 PID 2752 wrote to memory of 468 2752 insolence.exe 86 PID 2752 wrote to memory of 468 2752 insolence.exe 86 PID 2752 wrote to memory of 1956 2752 insolence.exe 89 PID 2752 wrote to memory of 1956 2752 insolence.exe 89 PID 2752 wrote to memory of 680 2752 insolence.exe 91 PID 2752 wrote to memory of 680 2752 insolence.exe 91 PID 2752 wrote to memory of 864 2752 insolence.exe 93 PID 2752 wrote to memory of 864 2752 insolence.exe 93 PID 2752 wrote to memory of 1056 2752 insolence.exe 95 PID 2752 wrote to memory of 1056 2752 insolence.exe 95 PID 2752 wrote to memory of 1020 2752 insolence.exe 97 PID 2752 wrote to memory of 1020 2752 insolence.exe 97 PID 2752 wrote to memory of 4080 2752 insolence.exe 99 PID 2752 wrote to memory of 4080 2752 insolence.exe 99 PID 2752 wrote to memory of 1844 2752 insolence.exe 101 PID 2752 wrote to memory of 1844 2752 insolence.exe 101 PID 2752 wrote to memory of 4104 2752 insolence.exe 103 PID 2752 wrote to memory of 4104 2752 insolence.exe 103 PID 2752 wrote to memory of 724 2752 insolence.exe 105 PID 2752 wrote to memory of 724 2752 insolence.exe 105 PID 2752 wrote to memory of 4004 2752 insolence.exe 107 PID 2752 wrote to memory of 4004 2752 insolence.exe 107 PID 2752 wrote to memory of 2508 2752 insolence.exe 109 PID 2752 wrote to memory of 2508 2752 insolence.exe 109 PID 2508 wrote to memory of 4236 2508 cmd.exe 111 PID 2508 wrote to memory of 4236 2508 cmd.exe 111 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 1956 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:3844 -
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:4556
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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:2752 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid3⤵
- Suspicious use of AdjustPrivilegeToken
PID:468
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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:1956
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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:680
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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:864
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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:1056
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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:1020
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" os get Caption3⤵
- Suspicious use of AdjustPrivilegeToken
PID:4080
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" computersystem get totalphysicalmemory3⤵PID:1844
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid3⤵PID:4104
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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:724
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C:\Windows\System32\Wbem\wmic.exe"wmic" path win32_VideoController get name3⤵
- Detects videocard installed
PID:4004
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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:2508 -
C:\Windows\system32\PING.EXEping localhost4⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:4236
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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
MD5e4d5f16dff1c6c4bd78c48253f411da2
SHA10fb7366585572b2cf4144d169302ba21d8e71ac3
SHA256360fe2bf9d46f0e6bb35c1b41ba0d70c5f10a1a9b42e29d9cafea37de5964133
SHA51227cb84814bf84d0db623e68c06b6391e63d985d5fe77a9d6ca9093329fbe73da490bb9bef67fea667d2d03b1d42ed5b4591f9e72c281c15965d0765c019d4b69
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Filesize
944B
MD577d622bb1a5b250869a3238b9bc1402b
SHA1d47f4003c2554b9dfc4c16f22460b331886b191b
SHA256f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
SHA512d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9
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Filesize
948B
MD5f4bf3ca8753d6bb9725419fec1ec74b9
SHA171fce9d17d1d92873236a9a827c52eb9e4827f3d
SHA256ca8697e4ada4c3d4aac2899b8aad4052ccd605fccee05ee0a831368bde2f7417
SHA512a55a107ae8bcf833ea674413c765cd55096146c9634dff41884fcc851c12fe47753308099525c99ae44883facfb668c8b292dd915263f34ebd1190391cb28a54
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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