Analysis
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max time kernel
148s -
max time network
146s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
03-08-2024 19:25
Static task
static1
Behavioral task
behavioral1
Sample
Loader V2.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
Loader V2.exe
Resource
win7-20240705-en
Behavioral task
behavioral3
Sample
Loader V2.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral4
Sample
Loader V2.exe
Resource
win11-20240802-en
General
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Target
Loader V2.exe
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Size
8.1MB
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MD5
70a8a700260d1bf5d40214b4d16f2a4d
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SHA1
888afda0f542f857c3627845abb17320c79348a3
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SHA256
14430e71914c83f8d1de8e66caa39d07ab782efb662245fb9eff6aa9fca7ce87
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SHA512
8d139e071d25106a30b3b00350fe08558bdaf884d039492611d90afd30c11ff08643560dc75ffaf7dafc0c53a96cf2b446239faf2fd8df9d0895d25b746d5d83
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SSDEEP
196608:X7fP69w9dHnln76gtmUd74JVCbkQqeDDFloLRj/UVn5HIL6qG:Nvnln7RmUuJVuk0DDFWJCnVGs
Malware Config
Extracted
xworm
147.185.221.20:13908
147.185.221.16:60401
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Install_directory
%AppData%
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install_file
svhost.exe
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telegram
https://api.telegram.org/bot7220907212:AAEOc5N7cpqGUVVvnWrzGHm8mdOrYN2e9mc/sendMessage?chat_id=6987872630
Extracted
44caliber
https://discord.com/api/webhooks/1267250103538810911/_8BMipnmgDV4n-Uu_YmzeHrxrFFQPSAoBBDlwlDVhsDsk_31uQMADxZw-pq563wCO5KV
Signatures
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Detect Xworm Payload 4 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\injectdll.exe family_xworm behavioral1/memory/1756-15-0x00000000001B0000-0x00000000001F2000-memory.dmp family_xworm C:\Users\Admin\AppData\Local\Temp\loaderr.exe family_xworm behavioral1/memory/828-37-0x0000000000AC0000-0x0000000000AD6000-memory.dmp family_xworm -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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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.
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepid process 3220 powershell.exe 2836 powershell.exe 4956 powershell.exe 3020 powershell.exe -
Drops startup file 4 IoCs
Processes:
injectdll.exeloaderr.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svhost.lnk injectdll.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk loaderr.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk loaderr.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svhost.lnk injectdll.exe -
Executes dropped EXE 10 IoCs
Processes:
Loader.exeinjectdll.exeloaderr.exefixer.exesvhost.exesvchost.exesvhost.exesvchost.exesvhost.exesvchost.exepid process 2264 Loader.exe 1756 injectdll.exe 828 loaderr.exe 308 fixer.exe 3296 svhost.exe 812 svchost.exe 4952 svhost.exe 596 svchost.exe 1540 svhost.exe 5068 svchost.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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
injectdll.exeloaderr.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1687926120-3022217735-1146543763-1000\Software\Microsoft\Windows\CurrentVersion\Run\svhost = "C:\\Users\\Admin\\AppData\\Roaming\\svhost.exe" injectdll.exe Set value (str) \REGISTRY\USER\S-1-5-21-1687926120-3022217735-1146543763-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Local\\svchost.exe" loaderr.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 7 ip-api.com 1 freegeoip.app 2 freegeoip.app -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
fixer.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier fixer.exe Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 fixer.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 5080 schtasks.exe 2576 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
Processes:
fixer.exepowershell.exepowershell.exeinjectdll.exepowershell.exepowershell.exeloaderr.exepid process 308 fixer.exe 308 fixer.exe 308 fixer.exe 308 fixer.exe 2836 powershell.exe 2836 powershell.exe 2836 powershell.exe 4956 powershell.exe 4956 powershell.exe 1756 injectdll.exe 4956 powershell.exe 3020 powershell.exe 3020 powershell.exe 3020 powershell.exe 3220 powershell.exe 3220 powershell.exe 3220 powershell.exe 828 loaderr.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
injectdll.exefixer.exeloaderr.exepowershell.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 1756 injectdll.exe Token: SeDebugPrivilege 308 fixer.exe Token: SeDebugPrivilege 828 loaderr.exe Token: SeDebugPrivilege 2836 powershell.exe Token: SeIncreaseQuotaPrivilege 2836 powershell.exe Token: SeSecurityPrivilege 2836 powershell.exe Token: SeTakeOwnershipPrivilege 2836 powershell.exe Token: SeLoadDriverPrivilege 2836 powershell.exe Token: SeSystemProfilePrivilege 2836 powershell.exe Token: SeSystemtimePrivilege 2836 powershell.exe Token: SeProfSingleProcessPrivilege 2836 powershell.exe Token: SeIncBasePriorityPrivilege 2836 powershell.exe Token: SeCreatePagefilePrivilege 2836 powershell.exe Token: SeBackupPrivilege 2836 powershell.exe Token: SeRestorePrivilege 2836 powershell.exe Token: SeShutdownPrivilege 2836 powershell.exe Token: SeDebugPrivilege 2836 powershell.exe Token: SeSystemEnvironmentPrivilege 2836 powershell.exe Token: SeRemoteShutdownPrivilege 2836 powershell.exe Token: SeUndockPrivilege 2836 powershell.exe Token: SeManageVolumePrivilege 2836 powershell.exe Token: 33 2836 powershell.exe Token: 34 2836 powershell.exe Token: 35 2836 powershell.exe Token: 36 2836 powershell.exe Token: SeDebugPrivilege 4956 powershell.exe Token: SeDebugPrivilege 1756 injectdll.exe Token: SeIncreaseQuotaPrivilege 4956 powershell.exe Token: SeSecurityPrivilege 4956 powershell.exe Token: SeTakeOwnershipPrivilege 4956 powershell.exe Token: SeLoadDriverPrivilege 4956 powershell.exe Token: SeSystemProfilePrivilege 4956 powershell.exe Token: SeSystemtimePrivilege 4956 powershell.exe Token: SeProfSingleProcessPrivilege 4956 powershell.exe Token: SeIncBasePriorityPrivilege 4956 powershell.exe Token: SeCreatePagefilePrivilege 4956 powershell.exe Token: SeBackupPrivilege 4956 powershell.exe Token: SeRestorePrivilege 4956 powershell.exe Token: SeShutdownPrivilege 4956 powershell.exe Token: SeDebugPrivilege 4956 powershell.exe Token: SeSystemEnvironmentPrivilege 4956 powershell.exe Token: SeRemoteShutdownPrivilege 4956 powershell.exe Token: SeUndockPrivilege 4956 powershell.exe Token: SeManageVolumePrivilege 4956 powershell.exe Token: 33 4956 powershell.exe Token: 34 4956 powershell.exe Token: 35 4956 powershell.exe Token: 36 4956 powershell.exe Token: SeDebugPrivilege 3020 powershell.exe Token: SeIncreaseQuotaPrivilege 3020 powershell.exe Token: SeSecurityPrivilege 3020 powershell.exe Token: SeTakeOwnershipPrivilege 3020 powershell.exe Token: SeLoadDriverPrivilege 3020 powershell.exe Token: SeSystemProfilePrivilege 3020 powershell.exe Token: SeSystemtimePrivilege 3020 powershell.exe Token: SeProfSingleProcessPrivilege 3020 powershell.exe Token: SeIncBasePriorityPrivilege 3020 powershell.exe Token: SeCreatePagefilePrivilege 3020 powershell.exe Token: SeBackupPrivilege 3020 powershell.exe Token: SeRestorePrivilege 3020 powershell.exe Token: SeShutdownPrivilege 3020 powershell.exe Token: SeDebugPrivilege 3020 powershell.exe Token: SeSystemEnvironmentPrivilege 3020 powershell.exe Token: SeRemoteShutdownPrivilege 3020 powershell.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
injectdll.exeloaderr.exepid process 1756 injectdll.exe 828 loaderr.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
Loader V2.exeLoader.exeloaderr.exeinjectdll.exedescription pid process target process PID 4780 wrote to memory of 2264 4780 Loader V2.exe Loader.exe PID 4780 wrote to memory of 2264 4780 Loader V2.exe Loader.exe PID 4780 wrote to memory of 1756 4780 Loader V2.exe injectdll.exe PID 4780 wrote to memory of 1756 4780 Loader V2.exe injectdll.exe PID 2264 wrote to memory of 828 2264 Loader.exe loaderr.exe PID 2264 wrote to memory of 828 2264 Loader.exe loaderr.exe PID 2264 wrote to memory of 308 2264 Loader.exe fixer.exe PID 2264 wrote to memory of 308 2264 Loader.exe fixer.exe PID 828 wrote to memory of 2836 828 loaderr.exe powershell.exe PID 828 wrote to memory of 2836 828 loaderr.exe powershell.exe PID 828 wrote to memory of 4956 828 loaderr.exe powershell.exe PID 828 wrote to memory of 4956 828 loaderr.exe powershell.exe PID 1756 wrote to memory of 5080 1756 injectdll.exe schtasks.exe PID 1756 wrote to memory of 5080 1756 injectdll.exe schtasks.exe PID 828 wrote to memory of 3020 828 loaderr.exe powershell.exe PID 828 wrote to memory of 3020 828 loaderr.exe powershell.exe PID 828 wrote to memory of 3220 828 loaderr.exe powershell.exe PID 828 wrote to memory of 3220 828 loaderr.exe powershell.exe PID 828 wrote to memory of 2576 828 loaderr.exe schtasks.exe PID 828 wrote to memory of 2576 828 loaderr.exe schtasks.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\Loader V2.exe"C:\Users\Admin\AppData\Local\Temp\Loader V2.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4780 -
C:\Users\Admin\AppData\Roaming\Loader.exe"C:\Users\Admin\AppData\Roaming\Loader.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2264 -
C:\Users\Admin\AppData\Local\Temp\loaderr.exe"C:\Users\Admin\AppData\Local\Temp\loaderr.exe"3⤵
- 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:828 -
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\Local\Temp\loaderr.exe'4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2836
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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 'loaderr.exe'4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4956
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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\Local\svchost.exe'4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3020
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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'4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:3220
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Local\svchost.exe"4⤵
- Scheduled Task/Job: Scheduled Task
PID:2576
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C:\Users\Admin\AppData\Local\Temp\fixer.exe"C:\Users\Admin\AppData\Local\Temp\fixer.exe"3⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:308
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C:\Users\Admin\AppData\Roaming\injectdll.exe"C:\Users\Admin\AppData\Roaming\injectdll.exe"2⤵
- 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:1756 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svhost" /tr "C:\Users\Admin\AppData\Roaming\svhost.exe"3⤵
- Scheduled Task/Job: Scheduled Task
PID:5080
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C:\Users\Admin\AppData\Roaming\svhost.exeC:\Users\Admin\AppData\Roaming\svhost.exe1⤵
- Executes dropped EXE
PID:3296
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C:\Users\Admin\AppData\Local\svchost.exeC:\Users\Admin\AppData\Local\svchost.exe1⤵
- Executes dropped EXE
PID:812
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C:\Users\Admin\AppData\Roaming\svhost.exeC:\Users\Admin\AppData\Roaming\svhost.exe1⤵
- Executes dropped EXE
PID:4952
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C:\Users\Admin\AppData\Local\svchost.exeC:\Users\Admin\AppData\Local\svchost.exe1⤵
- Executes dropped EXE
PID:596
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C:\Users\Admin\AppData\Roaming\svhost.exeC:\Users\Admin\AppData\Roaming\svhost.exe1⤵
- Executes dropped EXE
PID:1540
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C:\Users\Admin\AppData\Local\svchost.exeC:\Users\Admin\AppData\Local\svchost.exe1⤵
- Executes dropped EXE
PID:5068
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
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Downloads
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Filesize
3KB
MD58592ba100a78835a6b94d5949e13dfc1
SHA163e901200ab9a57c7dd4c078d7f75dcd3b357020
SHA256fdd7d9def6f9f0c0f2e60dbc8a2d1999071cd7d3095e9e087bb1cda7a614ac3c
SHA51287f98e6cb61b2a2a7d65710c4d33881d89715eb7a06e00d492259f35c3902498baabffc5886be0ec5a14312ad4c262e3fc40cd3a5cb91701af0fb229726b88c3
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Filesize
654B
MD516c5fce5f7230eea11598ec11ed42862
SHA175392d4824706090f5e8907eee1059349c927600
SHA25687ba77c13905298acbac72be90949c4fe0755b6eff9777615aa37f252515f151
SHA512153edd6da59beea6cc411ed7383c32916425d6ebb65f04c65aab7c1d6b25443d143aa8449aa92149de0ad8a975f6ecaa60f9f7574536eec6b38fe5fd3a6c6adc
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Filesize
1KB
MD5603651c39c9e292b514183a668e47efe
SHA1f4423dca6808bec14d60682be5c5ea2aa259aff4
SHA2567b0008ab40f178a6f5ecbb7a637c0e67c694b100ac638f8ddcaf3db96a4ea2be
SHA512160555acc7db21fe1c3339848e027bd2975578ab3dd14ec5530162a1f73e823ada6b0c97598908f97c9fc8a744d4abd28684e1f05d9be1fe7ceebde941b073c2
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Filesize
1KB
MD562a12ccd72784a36f1f8d6ddc9765e7d
SHA13c65122b88182ca84a7a39be442fb64c3509369f
SHA2560f41c0b6ef4af5b6850b827c314a00a7cc14ffc4872bff9372113cdf38ebaf9d
SHA51210154e2020251700445f1f3c7eed52cefd84af4866c4d6dce56c105404f6354e68c5b8a96e42abf9cd18315f4c86fe61a5e886e634f151ed540477b1aa619cc1
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Filesize
1KB
MD5459bc110dd8ac181dabe176b4972a2dd
SHA1983d607914093512acca04f1459fa3ed208927af
SHA256eea1e23b4d50a599557df28b60ada5599cadce8009f4f98fc9eea4cdf09d8cf0
SHA51265ea5f336633e571981ef6571ef516e9aeb20f46351af6f39eef3fe5f5b65cc64354a35b9af13c1847cbbccdbca8b727a07ddc3f6f7bb4e8b56f88e85993185f
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Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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Filesize
274KB
MD588505913c2c75f796c9a021aab2d356d
SHA15b5c06998d3e200c21c77ea4efaeaecdc7344e78
SHA25662e414e990e80c8203955b0e32948ddc64903b80a462c339f1babfb03e641204
SHA5126fa46be04c2693ea164fe52ddf3cca0bdafd1ab34d8c0f1c2bf3d361c6042f45375343f59e9474ded6718f8177a4f7eb19fddccd95f7fbb87aad12358b2d6905
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Filesize
65KB
MD595f8f28f5a8503461db6804cda9c4934
SHA181c0a30e498093d41948777135bbd407c7611cda
SHA256aa40b9b929868482be1daae474d7c93426cd049f844c956865709ff8b7f240c2
SHA5125c3460372a6640a98dd1b1d34a03b951ec4a8942e9065475e982a207881f290aedc3b51fe73c0da4c527e222addd1de2be7ba541e82287e43e16fc544ab34461
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Filesize
1KB
MD506df733e554215c2beb4fcdcae663e69
SHA12b7b6a4cfb650561bcfdc7d88ea51329cff60e36
SHA2568d259563434b854f0670ce93fc68a7b0d35e61bc1cc0ee911f54becfc9ba22eb
SHA51289ee26ed4f5bc02ffab33eabbd4e47f15a9b164160ef02883214976ab367e3781d593282585dfdf84b5af8657a0b0ebed196b54b213a3cd2f008d01bbe998a40
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Filesize
825B
MD58dc856010fbf399fc8463c633d8999ee
SHA1a15ddef26853f20d272ec2ed46c76ad1a6a893b2
SHA256130ba7ceb1be6de3b46600bdbc4d6e2f452b1a0270a1a79839b590103b8ee7b0
SHA51241382b24c3ba683bb880fe01e37dfcddac7d5d7d8808a7184a3c275497c43f856d478f46f19e4ad76848ec90526bc5a4419abf70ee0813646ecc3d6f26fb7841
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Filesize
7.6MB
MD5aa16f3774491b600121545a5f194cefc
SHA1c872fe765ecff1dada8378ad8a12cd5cf0425219
SHA256c0a2b824a0fd05854818bfb81b02bc6178db3f8519807b15d844580099428e1d
SHA5128b50e7c6eca25ecc2196fbfaf42079873e3c532a90e8d8b691fb594da3e067593f86f0d6488d0c314a27d78519f33fcbfb4532f811997891d55a47d582e1b3a8
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Filesize
244KB
MD574ffb0d60d647dd6ad8d00c1bee48011
SHA14c8a707a33b35b78f374c66d59f9c2314c20b25f
SHA256b481f1e0cfe25e5f19da0a0333c78661bf5c75c0b1c616ff4aaaa07aed31efd1
SHA512fc667f4560d6b19a9a4f37eb0e66c751eb348ffc0db69c7d0bd733dfd2df2dfdadc7b780cd93686350444cc14a54283bafe3afec611bcac3ad0239eda659f46c