Analysis
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max time kernel
146s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
23-02-2025 10:42
Static task
static1
Behavioral task
behavioral1
Sample
obxod266dev.exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral2
Sample
obxod266dev.exe
Resource
win7-20240903-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
umbral
https://discord.com/api/webhooks/1342862584386420817/8iDLBPWkMbkgW0Lx9Tlnezr6EGJYKsdRBZ8GJHI66h0NchvKorRU-U6oiQsKR-OZeqD9
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 behavioral1/files/0x0008000000023cbf-22.dat family_umbral behavioral1/memory/1064-26-0x0000021279CF0000-0x0000021279D30000-memory.dmp family_umbral -
Detect Xworm Payload 2 IoCs
resource yara_rule behavioral1/files/0x000b000000023bee-6.dat family_xworm behavioral1/memory/1144-25-0x0000000000AC0000-0x0000000000ADA000-memory.dmp family_xworm -
Umbral family
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Xworm family
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pid Process 1188 powershell.exe 5112 powershell.exe 2336 powershell.exe 2540 powershell.exe 2940 powershell.exe 4776 powershell.exe 4052 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-1-5-21-1874072718-2205492803-118941907-1000\Control Panel\International\Geo\Nation obxod266dev.exe Key value queried \REGISTRY\USER\S-1-5-21-1874072718-2205492803-118941907-1000\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 1144 obxod 266dev.exe 1064 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-1-5-21-1874072718-2205492803-118941907-1000\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 3 ip-api.com 21 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 18 IoCs
pid Process 2940 powershell.exe 2940 powershell.exe 4776 powershell.exe 4776 powershell.exe 4052 powershell.exe 4052 powershell.exe 2336 powershell.exe 2336 powershell.exe 1144 obxod 266dev.exe 1064 Umbral.exe 2540 powershell.exe 2540 powershell.exe 1188 powershell.exe 1188 powershell.exe 5112 powershell.exe 5112 powershell.exe 2904 powershell.exe 2904 powershell.exe -
Suspicious use of AdjustPrivilegeToken 53 IoCs
description pid Process Token: SeDebugPrivilege 1144 obxod 266dev.exe Token: SeDebugPrivilege 1064 Umbral.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 Token: SeUndockPrivilege 5096 wmic.exe Token: SeManageVolumePrivilege 5096 wmic.exe Token: 33 5096 wmic.exe Token: 34 5096 wmic.exe Token: 35 5096 wmic.exe Token: 36 5096 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 Token: SeUndockPrivilege 5096 wmic.exe Token: SeManageVolumePrivilege 5096 wmic.exe Token: 33 5096 wmic.exe Token: 34 5096 wmic.exe Token: 35 5096 wmic.exe Token: 36 5096 wmic.exe Token: SeDebugPrivilege 2940 powershell.exe Token: SeDebugPrivilege 4776 powershell.exe Token: SeDebugPrivilege 4052 powershell.exe Token: SeDebugPrivilege 2336 powershell.exe Token: SeDebugPrivilege 1144 obxod 266dev.exe Token: SeDebugPrivilege 2540 powershell.exe Token: SeDebugPrivilege 1188 powershell.exe Token: SeDebugPrivilege 5112 powershell.exe Token: SeDebugPrivilege 2904 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1144 obxod 266dev.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 4140 wrote to memory of 1144 4140 obxod266dev.exe 84 PID 4140 wrote to memory of 1144 4140 obxod266dev.exe 84 PID 4140 wrote to memory of 1064 4140 obxod266dev.exe 85 PID 4140 wrote to memory of 1064 4140 obxod266dev.exe 85 PID 1064 wrote to memory of 5096 1064 Umbral.exe 87 PID 1064 wrote to memory of 5096 1064 Umbral.exe 87 PID 1144 wrote to memory of 2940 1144 obxod 266dev.exe 92 PID 1144 wrote to memory of 2940 1144 obxod 266dev.exe 92 PID 1144 wrote to memory of 4776 1144 obxod 266dev.exe 94 PID 1144 wrote to memory of 4776 1144 obxod 266dev.exe 94 PID 1144 wrote to memory of 4052 1144 obxod 266dev.exe 96 PID 1144 wrote to memory of 4052 1144 obxod 266dev.exe 96 PID 1144 wrote to memory of 2336 1144 obxod 266dev.exe 98 PID 1144 wrote to memory of 2336 1144 obxod 266dev.exe 98 PID 1064 wrote to memory of 2080 1064 Umbral.exe 100 PID 1064 wrote to memory of 2080 1064 Umbral.exe 100 PID 1064 wrote to memory of 2540 1064 Umbral.exe 102 PID 1064 wrote to memory of 2540 1064 Umbral.exe 102 PID 1064 wrote to memory of 1188 1064 Umbral.exe 104 PID 1064 wrote to memory of 1188 1064 Umbral.exe 104 PID 1064 wrote to memory of 5112 1064 Umbral.exe 106 PID 1064 wrote to memory of 5112 1064 Umbral.exe 106 PID 1064 wrote to memory of 2904 1064 Umbral.exe 108 PID 1064 wrote to memory of 2904 1064 Umbral.exe 108 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 2080 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:4140 -
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:1144 -
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:2940
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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
- Suspicious use of AdjustPrivilegeToken
PID:4776
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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
- Suspicious use of AdjustPrivilegeToken
PID:4052
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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
- Suspicious use of AdjustPrivilegeToken
PID:2336
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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:1064 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid3⤵
- Suspicious use of AdjustPrivilegeToken
PID:5096
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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:2080
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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
- Suspicious use of AdjustPrivilegeToken
PID:2540
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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:1188
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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:5112
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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:2904
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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
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
944B
MD5eb033be02578f9635ec47bdc1de5c3fb
SHA1ec356bc87381354a06baa9c30e8c3ac3d30e0f6f
SHA256bd827af3192bf83c75a32e51ed2de83bd3b90d6b99350721a189a57cec15d063
SHA5124d8778503646f7016df73ff9d204760f4fe4d2b24157920ac3e5651653373975b2f2d229530143059f11b16c42822ad7963e628ad6066022ee712c17d90595ed
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Filesize
948B
MD58bbd6908e148d61010a3130cb6aae4a0
SHA1e74bcc1b0f762fcd7469d0621b9c7fe50b0c365d
SHA25679c8ed7085737723dbc7c40b32d01ea400171787259b7458561cd5db60401023
SHA51238057edb5f2ce86329f558bf34224c6110443635756b1b26da99f89b13e3f971bf602939f40d3fce8459cfdab4ad4fa4928ecb933ff045173535fcc46fe4855f
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Filesize
1KB
MD5276798eeb29a49dc6e199768bc9c2e71
SHA15fdc8ccb897ac2df7476fbb07517aca5b7a6205b
SHA256cd0a1056e8f1b6cb5cb328532239d802f4e2aa8f8fcdc0fcb487684bd68e0dcc
SHA5120d34fce64bbefc57d64fa6e03ca886952263d5f24df9c1c4cce6a1e8f5a47a9a21e9820f8d38caa7f7b43a52336ce00b738ea18419aaa7c788b72e04ce19e4f2
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Filesize
944B
MD5731e9e4becec0b1ef9caad4b3562d4b4
SHA16dffb77aba4e92ad5bd4b7c02fdee6f328bcd457
SHA25671c7eca538938fa4d5b470fee41cfe43734e9beb9ae409d5b41111fa1a15c2d5
SHA512841cf559ae5b0feec4be43018717641399b3602a553112e98b07d498f1a44169924466abc7e2313b8e8cf1c0fdc1bb7635e2818aab8269b0ef349a0ba0cd6ae5
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Filesize
944B
MD534f595487e6bfd1d11c7de88ee50356a
SHA14caad088c15766cc0fa1f42009260e9a02f953bb
SHA2560f9a4b52e01cb051052228a55d0515911b7ef5a8db3cf925528c746df511424d
SHA51210976c5deaf9fac449e703e852c3b08d099f430de2d7c7b8e2525c35d63e28b890e5aab63feff9b20bca0aaf9f35a3ba411aee3fbeee9ea59f90ed25bd617a0b
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Filesize
944B
MD510890cda4b6eab618e926c4118ab0647
SHA11e1d63b73a0e6c7575f458b3c7917a9ce5ba776d
SHA25600f8a035324d39bd62e6dee5e1b480069015471c487ebee4479e6990ea9ddb14
SHA512a2ee84006c24a36f25e0bca0772430d64e3791f233da916aecdeae6712763e77d55bbbd00dc8f6b2b3887f3c26ab3980b96c5f46cc823e81e28abbbc5fc78221
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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