Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20250217-en -
resource tags
arch:x64arch:x86image:win10ltsc2021-20250217-enlocale:en-usos:windows10-ltsc 2021-x64system -
submitted
23-02-2025 10:42
Static task
static1
Behavioral task
behavioral1
Sample
obxod266dev.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
obxod266dev.exe
Resource
win7-20241010-en
Behavioral task
behavioral3
Sample
obxod266dev.exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral4
Sample
obxod266dev.exe
Resource
win10ltsc2021-20250217-en
General
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Target
obxod266dev.exe
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Size
329KB
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MD5
31fc82eeaed45f2389b57ffb9d8f6ea2
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SHA1
fd46d4e307b09a372a3bfc0d88b87eeccaf77912
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SHA256
dc7f8c7c39bb043da2c19a03504c499e0af367fefee810a8190c1119992e2248
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SHA512
418bca3b27a8354e559de8e1333ebc8ff42a5d4f07b42a0ec95775c9a52feb1d61a00006ceefef3be8e30dc07c0fb3123440413a2b16d8d9cc6e468cb9d5c962
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SSDEEP
6144:3aDaK7MooumCpZSApAWl2IenY7YDlw+JmS1r8+CMCX:3LK7sk2IKYkp/mYPCX
Malware Config
Extracted
xworm
25.ip.gl.ply.gg:59054
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Install_directory
%AppData%
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install_file
svchost.exe
Signatures
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Detect Umbral payload 2 IoCs
resource yara_rule behavioral4/files/0x0009000000027e92-20.dat family_umbral behavioral4/memory/1844-32-0x00000134A9650000-0x00000134A9690000-memory.dmp family_umbral -
Detect Xworm Payload 2 IoCs
resource yara_rule behavioral4/files/0x000a000000027e89-5.dat family_xworm behavioral4/memory/2392-31-0x0000000000470000-0x000000000048A000-memory.dmp family_xworm -
Umbral family
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Xworm family
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Command and Scripting Interpreter: PowerShell 1 TTPs 7 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 1644 powershell.exe 3616 powershell.exe 1940 powershell.exe 4948 powershell.exe 460 powershell.exe 4332 powershell.exe 1892 powershell.exe -
Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\System32\drivers\etc\hosts Umbral.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1095212214-1383118828-1037266802-1000\Control Panel\International\Geo\Nation obxod266dev.exe Key value queried \REGISTRY\USER\S-1-5-21-1095212214-1383118828-1037266802-1000\Control Panel\International\Geo\Nation obxod 266dev.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk obxod 266dev.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk obxod 266dev.exe -
Executes dropped EXE 2 IoCs
pid Process 2392 obxod 266dev.exe 1844 Umbral.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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1095212214-1383118828-1037266802-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" obxod 266dev.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 ip-api.com 9 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4496 wmic.exe 4496 wmic.exe 4496 wmic.exe 4496 wmic.exe 1644 powershell.exe 1644 powershell.exe 3616 powershell.exe 3616 powershell.exe 1940 powershell.exe 1940 powershell.exe 4948 powershell.exe 4948 powershell.exe 2392 obxod 266dev.exe 1844 Umbral.exe 460 powershell.exe 460 powershell.exe 4332 powershell.exe 4332 powershell.exe 1892 powershell.exe 1892 powershell.exe 1428 powershell.exe 1428 powershell.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2392 obxod 266dev.exe Token: SeDebugPrivilege 1844 Umbral.exe Token: SeIncreaseQuotaPrivilege 4496 wmic.exe Token: SeSecurityPrivilege 4496 wmic.exe Token: SeTakeOwnershipPrivilege 4496 wmic.exe Token: SeLoadDriverPrivilege 4496 wmic.exe Token: SeSystemProfilePrivilege 4496 wmic.exe Token: SeSystemtimePrivilege 4496 wmic.exe Token: SeProfSingleProcessPrivilege 4496 wmic.exe Token: SeIncBasePriorityPrivilege 4496 wmic.exe Token: SeCreatePagefilePrivilege 4496 wmic.exe Token: SeBackupPrivilege 4496 wmic.exe Token: SeRestorePrivilege 4496 wmic.exe Token: SeShutdownPrivilege 4496 wmic.exe Token: SeDebugPrivilege 4496 wmic.exe Token: SeSystemEnvironmentPrivilege 4496 wmic.exe Token: SeRemoteShutdownPrivilege 4496 wmic.exe Token: SeUndockPrivilege 4496 wmic.exe Token: SeManageVolumePrivilege 4496 wmic.exe Token: 33 4496 wmic.exe Token: 34 4496 wmic.exe Token: 35 4496 wmic.exe Token: 36 4496 wmic.exe Token: SeIncreaseQuotaPrivilege 4496 wmic.exe Token: SeSecurityPrivilege 4496 wmic.exe Token: SeTakeOwnershipPrivilege 4496 wmic.exe Token: SeLoadDriverPrivilege 4496 wmic.exe Token: SeSystemProfilePrivilege 4496 wmic.exe Token: SeSystemtimePrivilege 4496 wmic.exe Token: SeProfSingleProcessPrivilege 4496 wmic.exe Token: SeIncBasePriorityPrivilege 4496 wmic.exe Token: SeCreatePagefilePrivilege 4496 wmic.exe Token: SeBackupPrivilege 4496 wmic.exe Token: SeRestorePrivilege 4496 wmic.exe Token: SeShutdownPrivilege 4496 wmic.exe Token: SeDebugPrivilege 4496 wmic.exe Token: SeSystemEnvironmentPrivilege 4496 wmic.exe Token: SeRemoteShutdownPrivilege 4496 wmic.exe Token: SeUndockPrivilege 4496 wmic.exe Token: SeManageVolumePrivilege 4496 wmic.exe Token: 33 4496 wmic.exe Token: 34 4496 wmic.exe Token: 35 4496 wmic.exe Token: 36 4496 wmic.exe Token: SeDebugPrivilege 1644 powershell.exe Token: SeIncreaseQuotaPrivilege 1644 powershell.exe Token: SeSecurityPrivilege 1644 powershell.exe Token: SeTakeOwnershipPrivilege 1644 powershell.exe Token: SeLoadDriverPrivilege 1644 powershell.exe Token: SeSystemProfilePrivilege 1644 powershell.exe Token: SeSystemtimePrivilege 1644 powershell.exe Token: SeProfSingleProcessPrivilege 1644 powershell.exe Token: SeIncBasePriorityPrivilege 1644 powershell.exe Token: SeCreatePagefilePrivilege 1644 powershell.exe Token: SeBackupPrivilege 1644 powershell.exe Token: SeRestorePrivilege 1644 powershell.exe Token: SeShutdownPrivilege 1644 powershell.exe Token: SeDebugPrivilege 1644 powershell.exe Token: SeSystemEnvironmentPrivilege 1644 powershell.exe Token: SeRemoteShutdownPrivilege 1644 powershell.exe Token: SeUndockPrivilege 1644 powershell.exe Token: SeManageVolumePrivilege 1644 powershell.exe Token: 33 1644 powershell.exe Token: 34 1644 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2392 obxod 266dev.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2764 wrote to memory of 2392 2764 obxod266dev.exe 83 PID 2764 wrote to memory of 2392 2764 obxod266dev.exe 83 PID 2764 wrote to memory of 1844 2764 obxod266dev.exe 84 PID 2764 wrote to memory of 1844 2764 obxod266dev.exe 84 PID 1844 wrote to memory of 4496 1844 Umbral.exe 85 PID 1844 wrote to memory of 4496 1844 Umbral.exe 85 PID 2392 wrote to memory of 1644 2392 obxod 266dev.exe 88 PID 2392 wrote to memory of 1644 2392 obxod 266dev.exe 88 PID 2392 wrote to memory of 3616 2392 obxod 266dev.exe 91 PID 2392 wrote to memory of 3616 2392 obxod 266dev.exe 91 PID 2392 wrote to memory of 1940 2392 obxod 266dev.exe 93 PID 2392 wrote to memory of 1940 2392 obxod 266dev.exe 93 PID 2392 wrote to memory of 4948 2392 obxod 266dev.exe 95 PID 2392 wrote to memory of 4948 2392 obxod 266dev.exe 95 PID 1844 wrote to memory of 1868 1844 Umbral.exe 97 PID 1844 wrote to memory of 1868 1844 Umbral.exe 97 PID 1844 wrote to memory of 460 1844 Umbral.exe 99 PID 1844 wrote to memory of 460 1844 Umbral.exe 99 PID 1844 wrote to memory of 4332 1844 Umbral.exe 101 PID 1844 wrote to memory of 4332 1844 Umbral.exe 101 PID 1844 wrote to memory of 1892 1844 Umbral.exe 103 PID 1844 wrote to memory of 1892 1844 Umbral.exe 103 PID 1844 wrote to memory of 1428 1844 Umbral.exe 105 PID 1844 wrote to memory of 1428 1844 Umbral.exe 105 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 1868 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\obxod266dev.exe"C:\Users\Admin\AppData\Local\Temp\obxod266dev.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2764 -
C:\Users\Admin\AppData\Roaming\obxod 266dev.exe"C:\Users\Admin\AppData\Roaming\obxod 266dev.exe"2⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2392 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\obxod 266dev.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1644
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'obxod 266dev.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:3616
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\svchost.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:1940
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:4948
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C:\Users\Admin\AppData\Roaming\Umbral.exe"C:\Users\Admin\AppData\Roaming\Umbral.exe"2⤵
- Drops file in Drivers directory
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1844 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4496
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C:\Windows\SYSTEM32\attrib.exe"attrib.exe" +h +s "C:\Users\Admin\AppData\Roaming\Umbral.exe"3⤵
- Views/modifies file attributes
PID:1868
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Umbral.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:460
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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
PID:4332
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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
PID:1892
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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
PID:1428
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3KB
MD53eb3833f769dd890afc295b977eab4b4
SHA1e857649b037939602c72ad003e5d3698695f436f
SHA256c485a6e2fd17c342fca60060f47d6a5655a65a412e35e001bb5bf88d96e6e485
SHA512c24bbc8f278478d43756807b8c584d4e3fb2289db468bc92986a489f74a8da386a667a758360a397e77e018e363be8912ac260072fa3e31117ad0599ac749e72
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Filesize
1KB
MD5ee837f9246bf7d67b3132d8c32031517
SHA1044171961c32e56e9e41da106ca654d1d7a5198f
SHA256bf2368988696a019042e21b490d30f66297c8517a9fd3ca798fac7183d2b2d28
SHA512cd8636c9fcdf8eb25cde91309edf5a01cba0b155d81f4a176c0bb7e0b829cc0b7adea724d6d27778beaf1247bafdddc9c47d05388c23da26a21e8c436d47d4a5
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Filesize
948B
MD517a0a44e439d7537b59a1427b9098d2a
SHA12cc3385ceec3f3a66f43f4b0589fa48c377c81ce
SHA2568bdd09c07d47e891eb22a79308aa1b12c30e1fd814588db3a0dd2ab0542b0c70
SHA512b0ad5a62c0c4f9505c4b521526c8634c6f5623ad826c072ac65fc0c844097e320b5d6455538ae287253a8a6dfba2e97acac1c2b1e67c647042886a6d0d5c6115
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Filesize
1KB
MD58e1fdd1b66d2fee9f6a052524d4ddca5
SHA10a9d0994559d1be2eecd8b0d6960540ca627bdb6
SHA2564cc7c1b79d1b48582d4dc27ca8c31457b9bf2441deb7914399bb9e6863f18b13
SHA5125a5494b878b08e8515811ab7a3d68780dac7423f5562477d98249a8bedf7ec98567b7cd5d4c6967d6bc63f2d6d9b7da9a65e0eb29d4b955026b469b5b598d1f3
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Filesize
1KB
MD5c67441dfa09f61bca500bb43407c56b8
SHA15a56cf7cbeb48c109e2128c31b681fac3959157b
SHA25663082da456c124d0bc516d2161d1613db5f3008d903e4066d2c7b4e90b435f33
SHA512325de8b718b3a01df05e20e028c5882240e5fd2e96c771361b776312923ff178f27494a1f5249bf6d7365a99155eb8735a51366e85597008e6a10462e63ee0e8
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Filesize
1KB
MD5a351c6fcddc521a878a8a0d47f730cb2
SHA17cc4cf84e61fbc9f4aa72099cad38421ef822841
SHA25633fc4536f4339e7feb2469e274182831e618228e8e9e437f55baffe6f9d3ef4b
SHA512078fd794f9293533ff5920c152640ad36a9b8b67c9b802a85d9d33bafd2a36e5a4d325eba24df1af3fb755a6477c68b70b6e46d3947083571f20bde908414cee
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Filesize
1KB
MD538ca1a109e14171bd3a3a8a1cec17399
SHA11564aeca3bbf2eaacd775e7026b1e4f8942d9118
SHA256ba0f9fc15a3eec415f1d9f9f9b9638c60f24aecc14062493b20cdb98e1dd0ea1
SHA512cada941969630d3baef3003e2bf46cff50a1fc242616292d275006c4fb8b641848e4b2f9666189cbd2de2b20fc7c603b5fcbe394b925ccd055bd1e02abe36561
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Filesize
1KB
MD5653614c0be930974ac694f4aafefd66d
SHA1f24942ebfb6dbae8aa0ded197b4b699670e0992e
SHA25654e9472478d0e520380552dfb9076b67d89ceb7d9c527524b3e78629c6e81620
SHA5126d71f663fc92e883e8d308cbca075409cd466d91b7332a82e83a7dbcd5ff8e3d9958d91b03d73238f2bf3686301b717ca57d14ba931e3f8404c9d1a8f05165c7
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
232KB
MD5e486d8aafa368a43a56987dd4d80aa75
SHA18851fe89928a47a58b50348d9a4458f24e2725f9
SHA256596ac7d2aa525ceb7b82aec1e6376d34f36649f028de442fb0a0021e380db136
SHA512abe413e1277c0ac103778822dcd3f6b03f315fad83731af10284a68fca8ecfa2d2c6b9d9c3e0ec55803a2b31d03ae9c863c430eba23954ccc5f82b2a6d21e573
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Filesize
80KB
MD53598f860aacfe53b00c305715a6c7b2f
SHA170640b2e8a71017cdf5fb8e91fe0b065f89a064b
SHA256b4b8385381c3bb23d821f179a73ff19083d15f7cc6e1c9cc2235da3c382db241
SHA5120b2bfa9e701ba126acb6bf9b9b5df26e8558a59708659ec2981173267d277f44e6b6575f1ceb945a86705796ea8f50c5cd1617ee45fdaabdc68af9b2022e654c