Analysis
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max time kernel
104s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
24/03/2025, 16:25
Static task
static1
Behavioral task
behavioral1
Sample
download.exe
Resource
win7-20240903-en
General
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Target
download.exe
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Size
290KB
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MD5
244360e3e1f45bf12f428ea3846d2b8a
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SHA1
188e9b7018e2dac9beb3b2bfdbeae98dfb9e9978
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SHA256
3d5619f53fac5d324a867e69fd61c51a54ad1d3d28a998f3b85f78598703dcac
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SHA512
65157507e439c91b8b67c895f962d8e780cfaf8638bd4827cac72abc06b7cbd613373193782c55f58b377d85bc545f2bcd11e4b0c22e677f162bb34d772203ab
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SSDEEP
6144:Fuq1IOhVlGyWxgf4w+EowI7kwC6Snw8d9:Fuq1IMlGynfd+EAjC6Swi
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral2/memory/4052-1357-0x0000000000400000-0x0000000000440000-memory.dmp family_umbral -
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 5996 created 3488 5996 download.exe 56 -
Umbral family
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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 4472 powershell.exe 5224 powershell.exe 316 powershell.exe 4368 powershell.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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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 64 discord.com 65 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 54 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5996 set thread context of 4052 5996 download.exe 98 -
System Location Discovery: System Language Discovery 1 TTPs 11 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 powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wmic.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wmic.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wmic.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language download.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language download.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wmic.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Detects videocard installed 1 TTPs 1 IoCs
Uses WMIC.exe to determine videocard installed.
pid Process 1664 wmic.exe -
Suspicious behavior: EnumeratesProcesses 15 IoCs
pid Process 5996 download.exe 4472 powershell.exe 4472 powershell.exe 4368 powershell.exe 4368 powershell.exe 4368 powershell.exe 5224 powershell.exe 5224 powershell.exe 5224 powershell.exe 5032 powershell.exe 5032 powershell.exe 5032 powershell.exe 316 powershell.exe 316 powershell.exe 316 powershell.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 5996 download.exe Token: SeDebugPrivilege 5996 download.exe Token: SeDebugPrivilege 4052 download.exe Token: SeDebugPrivilege 4472 powershell.exe Token: SeDebugPrivilege 4368 powershell.exe Token: SeDebugPrivilege 5224 powershell.exe Token: SeDebugPrivilege 5032 powershell.exe Token: SeIncreaseQuotaPrivilege 5960 wmic.exe Token: SeSecurityPrivilege 5960 wmic.exe Token: SeTakeOwnershipPrivilege 5960 wmic.exe Token: SeLoadDriverPrivilege 5960 wmic.exe Token: SeSystemProfilePrivilege 5960 wmic.exe Token: SeSystemtimePrivilege 5960 wmic.exe Token: SeProfSingleProcessPrivilege 5960 wmic.exe Token: SeIncBasePriorityPrivilege 5960 wmic.exe Token: SeCreatePagefilePrivilege 5960 wmic.exe Token: SeBackupPrivilege 5960 wmic.exe Token: SeRestorePrivilege 5960 wmic.exe Token: SeShutdownPrivilege 5960 wmic.exe Token: SeDebugPrivilege 5960 wmic.exe Token: SeSystemEnvironmentPrivilege 5960 wmic.exe Token: SeRemoteShutdownPrivilege 5960 wmic.exe Token: SeUndockPrivilege 5960 wmic.exe Token: SeManageVolumePrivilege 5960 wmic.exe Token: 33 5960 wmic.exe Token: 34 5960 wmic.exe Token: 35 5960 wmic.exe Token: 36 5960 wmic.exe Token: SeIncreaseQuotaPrivilege 5960 wmic.exe Token: SeSecurityPrivilege 5960 wmic.exe Token: SeTakeOwnershipPrivilege 5960 wmic.exe Token: SeLoadDriverPrivilege 5960 wmic.exe Token: SeSystemProfilePrivilege 5960 wmic.exe Token: SeSystemtimePrivilege 5960 wmic.exe Token: SeProfSingleProcessPrivilege 5960 wmic.exe Token: SeIncBasePriorityPrivilege 5960 wmic.exe Token: SeCreatePagefilePrivilege 5960 wmic.exe Token: SeBackupPrivilege 5960 wmic.exe Token: SeRestorePrivilege 5960 wmic.exe Token: SeShutdownPrivilege 5960 wmic.exe Token: SeDebugPrivilege 5960 wmic.exe Token: SeSystemEnvironmentPrivilege 5960 wmic.exe Token: SeRemoteShutdownPrivilege 5960 wmic.exe Token: SeUndockPrivilege 5960 wmic.exe Token: SeManageVolumePrivilege 5960 wmic.exe Token: 33 5960 wmic.exe Token: 34 5960 wmic.exe Token: 35 5960 wmic.exe Token: 36 5960 wmic.exe Token: SeIncreaseQuotaPrivilege 5096 wmic.exe Token: SeSecurityPrivilege 5096 wmic.exe Token: SeTakeOwnershipPrivilege 5096 wmic.exe Token: SeLoadDriverPrivilege 5096 wmic.exe Token: SeSystemProfilePrivilege 5096 wmic.exe Token: SeSystemtimePrivilege 5096 wmic.exe Token: SeProfSingleProcessPrivilege 5096 wmic.exe Token: SeIncBasePriorityPrivilege 5096 wmic.exe Token: SeCreatePagefilePrivilege 5096 wmic.exe Token: SeBackupPrivilege 5096 wmic.exe Token: SeRestorePrivilege 5096 wmic.exe Token: SeShutdownPrivilege 5096 wmic.exe Token: SeDebugPrivilege 5096 wmic.exe Token: SeSystemEnvironmentPrivilege 5096 wmic.exe Token: SeRemoteShutdownPrivilege 5096 wmic.exe -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 5996 wrote to memory of 4052 5996 download.exe 98 PID 5996 wrote to memory of 4052 5996 download.exe 98 PID 5996 wrote to memory of 4052 5996 download.exe 98 PID 5996 wrote to memory of 4052 5996 download.exe 98 PID 5996 wrote to memory of 4052 5996 download.exe 98 PID 5996 wrote to memory of 4052 5996 download.exe 98 PID 5996 wrote to memory of 4052 5996 download.exe 98 PID 5996 wrote to memory of 4052 5996 download.exe 98 PID 4052 wrote to memory of 4472 4052 download.exe 99 PID 4052 wrote to memory of 4472 4052 download.exe 99 PID 4052 wrote to memory of 4472 4052 download.exe 99 PID 4052 wrote to memory of 4368 4052 download.exe 104 PID 4052 wrote to memory of 4368 4052 download.exe 104 PID 4052 wrote to memory of 4368 4052 download.exe 104 PID 4052 wrote to memory of 5224 4052 download.exe 106 PID 4052 wrote to memory of 5224 4052 download.exe 106 PID 4052 wrote to memory of 5224 4052 download.exe 106 PID 4052 wrote to memory of 5032 4052 download.exe 108 PID 4052 wrote to memory of 5032 4052 download.exe 108 PID 4052 wrote to memory of 5032 4052 download.exe 108 PID 4052 wrote to memory of 5960 4052 download.exe 110 PID 4052 wrote to memory of 5960 4052 download.exe 110 PID 4052 wrote to memory of 5960 4052 download.exe 110 PID 4052 wrote to memory of 5096 4052 download.exe 113 PID 4052 wrote to memory of 5096 4052 download.exe 113 PID 4052 wrote to memory of 5096 4052 download.exe 113 PID 4052 wrote to memory of 448 4052 download.exe 115 PID 4052 wrote to memory of 448 4052 download.exe 115 PID 4052 wrote to memory of 448 4052 download.exe 115 PID 4052 wrote to memory of 316 4052 download.exe 117 PID 4052 wrote to memory of 316 4052 download.exe 117 PID 4052 wrote to memory of 316 4052 download.exe 117 PID 4052 wrote to memory of 1664 4052 download.exe 119 PID 4052 wrote to memory of 1664 4052 download.exe 119 PID 4052 wrote to memory of 1664 4052 download.exe 119
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3488
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C:\Users\Admin\AppData\Local\Temp\download.exe"C:\Users\Admin\AppData\Local\Temp\download.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5996
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C:\Users\Admin\AppData\Local\Temp\download.exe"C:\Users\Admin\AppData\Local\Temp\download.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4052 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\download.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4472
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C:\Windows\SysWOW64\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
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4368
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5224
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5032
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C:\Windows\SysWOW64\Wbem\wmic.exe"wmic.exe" os get Caption3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5960
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C:\Windows\SysWOW64\Wbem\wmic.exe"wmic.exe" computersystem get totalphysicalmemory3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5096
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C:\Windows\SysWOW64\Wbem\wmic.exe"wmic.exe" csproduct get uuid3⤵
- System Location Discovery: System Language Discovery
PID:448
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C:\Windows\SysWOW64\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
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:316
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C:\Windows\SysWOW64\Wbem\wmic.exe"wmic" path win32_VideoController get name3⤵
- System Location Discovery: System Language Discovery
- Detects videocard installed
PID:1664
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5bf448336303dc23fed5472c54eab062a
SHA19e2f42f4fc7c3774bc86a67adf02e1e6529ea162
SHA25656d91fd40a75f05808168c334b468597d84709ec73371d7641c9bba2d5e8eff2
SHA512c98b4f356ac511a28162bb2d5b756a03822c659bc61d0f7f55bee40573d155c84b28984336d1c4aa7f8767a6e633c635bcde3e5586c22d07bbf9e9756e488bb0
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Filesize
15KB
MD5073f2dcae0f85e96e50ae4cd0d11a716
SHA105ce6142c4a0dd1b5325baafb92459e8c5c3ca8f
SHA2565b8ef36e1e03b6c6b84040ee4025c83cf6ca7454c4f648cb54553611ba65c9bf
SHA512cceb141295b84ce2db6658c4c15cd0b934be90a119c8869b572ab86f39fbbb8d21c7a93281de61bea7a4717040c3af60a0773285c5ff6240951261eaccd4fd5f
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Filesize
18KB
MD5de40bad2d03bc8aadb84398bedf02dc7
SHA16280381b24a71250d15214cbc30a48f1a9d8770f
SHA2561a73facb4013839af61a8163f59668d8e160a49beb375d07fe378cba27660b34
SHA5123f1048fb98a5d85e1d2a593240e68b857254e2ffe67c86930d87d86ddfd17215ae33854ae39a08dbd3f33a26786af74b9d40e571bc83adffba5cbdc13a9b7e9e
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Filesize
17KB
MD56afe80bf7329649d87d019a1e890047d
SHA1c1b1becf22f59e08d17a1dea7fbf385918a4f404
SHA256a078fea0f8a8c528aafd49186c0de4dcfcfc080d3dafbf19fd34f599e7fdb605
SHA5123839f95d6f4f7315fd350a2d4c6c907618bcad318162781149717fd2c5d2c7b22f48d169d660b1560ad628a186dcdc842910a4cbb41ae73b4c38399ee87ec2fc
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82