Analysis
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max time kernel
140s -
max time network
151s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
02-08-2024 11:08
Static task
static1
Behavioral task
behavioral1
Sample
Loader V2.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
Loader V2.exe
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
Loader V2.exe
Resource
win10v2004-20240730-en
Behavioral task
behavioral4
Sample
Loader V2.exe
Resource
win11-20240730-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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Contains code to disable Windows Defender 1 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
Processes:
resource yara_rule behavioral2/memory/5068-336-0x0000000000A70000-0x0000000000A7E000-memory.dmp disable_win_def -
Detect Xworm Payload 4 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\injectdll.exe family_xworm behavioral2/memory/3164-13-0x00000000000D0000-0x0000000000112000-memory.dmp family_xworm C:\Users\Admin\AppData\Local\Temp\loaderr.exe family_xworm behavioral2/memory/5068-29-0x0000000000430000-0x0000000000446000-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 3744 powershell.exe 3852 powershell.exe 1404 powershell.exe 4324 powershell.exe -
Drops startup file 4 IoCs
Processes:
injectdll.exeloaderr.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svhost.lnk injectdll.exe 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 -
Executes dropped EXE 8 IoCs
Processes:
Loader.exeinjectdll.exeloaderr.exefixer.exesvhost.exesvchost.exesvhost.exesvchost.exepid process 392 Loader.exe 3164 injectdll.exe 5068 loaderr.exe 4792 fixer.exe 3784 svhost.exe 1132 svchost.exe 1916 svhost.exe 1512 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-1-5-21-4106386276-4127174233-3637007343-1000\Software\Microsoft\Windows\CurrentVersion\Run\svhost = "C:\\Users\\Admin\\AppData\\Roaming\\svhost.exe" injectdll.exe Set value (str) \REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000\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 1 freegeoip.app 2 freegeoip.app 6 ip-api.com -
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 opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 fixer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 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 4200 schtasks.exe 792 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
Processes:
fixer.exeinjectdll.exepowershell.exepowershell.exepowershell.exepowershell.exeloaderr.exepid process 4792 fixer.exe 4792 fixer.exe 4792 fixer.exe 4792 fixer.exe 3164 injectdll.exe 3744 powershell.exe 3744 powershell.exe 3744 powershell.exe 3852 powershell.exe 3852 powershell.exe 3852 powershell.exe 1404 powershell.exe 1404 powershell.exe 1404 powershell.exe 4324 powershell.exe 4324 powershell.exe 4324 powershell.exe 5068 loaderr.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
injectdll.exeloaderr.exefixer.exepowershell.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 3164 injectdll.exe Token: SeDebugPrivilege 5068 loaderr.exe Token: SeDebugPrivilege 4792 fixer.exe Token: SeDebugPrivilege 3164 injectdll.exe Token: SeDebugPrivilege 3744 powershell.exe Token: SeIncreaseQuotaPrivilege 3744 powershell.exe Token: SeSecurityPrivilege 3744 powershell.exe Token: SeTakeOwnershipPrivilege 3744 powershell.exe Token: SeLoadDriverPrivilege 3744 powershell.exe Token: SeSystemProfilePrivilege 3744 powershell.exe Token: SeSystemtimePrivilege 3744 powershell.exe Token: SeProfSingleProcessPrivilege 3744 powershell.exe Token: SeIncBasePriorityPrivilege 3744 powershell.exe Token: SeCreatePagefilePrivilege 3744 powershell.exe Token: SeBackupPrivilege 3744 powershell.exe Token: SeRestorePrivilege 3744 powershell.exe Token: SeShutdownPrivilege 3744 powershell.exe Token: SeDebugPrivilege 3744 powershell.exe Token: SeSystemEnvironmentPrivilege 3744 powershell.exe Token: SeRemoteShutdownPrivilege 3744 powershell.exe Token: SeUndockPrivilege 3744 powershell.exe Token: SeManageVolumePrivilege 3744 powershell.exe Token: 33 3744 powershell.exe Token: 34 3744 powershell.exe Token: 35 3744 powershell.exe Token: 36 3744 powershell.exe Token: SeDebugPrivilege 3852 powershell.exe Token: SeIncreaseQuotaPrivilege 3852 powershell.exe Token: SeSecurityPrivilege 3852 powershell.exe Token: SeTakeOwnershipPrivilege 3852 powershell.exe Token: SeLoadDriverPrivilege 3852 powershell.exe Token: SeSystemProfilePrivilege 3852 powershell.exe Token: SeSystemtimePrivilege 3852 powershell.exe Token: SeProfSingleProcessPrivilege 3852 powershell.exe Token: SeIncBasePriorityPrivilege 3852 powershell.exe Token: SeCreatePagefilePrivilege 3852 powershell.exe Token: SeBackupPrivilege 3852 powershell.exe Token: SeRestorePrivilege 3852 powershell.exe Token: SeShutdownPrivilege 3852 powershell.exe Token: SeDebugPrivilege 3852 powershell.exe Token: SeSystemEnvironmentPrivilege 3852 powershell.exe Token: SeRemoteShutdownPrivilege 3852 powershell.exe Token: SeUndockPrivilege 3852 powershell.exe Token: SeManageVolumePrivilege 3852 powershell.exe Token: 33 3852 powershell.exe Token: 34 3852 powershell.exe Token: 35 3852 powershell.exe Token: 36 3852 powershell.exe Token: SeDebugPrivilege 1404 powershell.exe Token: SeIncreaseQuotaPrivilege 1404 powershell.exe Token: SeSecurityPrivilege 1404 powershell.exe Token: SeTakeOwnershipPrivilege 1404 powershell.exe Token: SeLoadDriverPrivilege 1404 powershell.exe Token: SeSystemProfilePrivilege 1404 powershell.exe Token: SeSystemtimePrivilege 1404 powershell.exe Token: SeProfSingleProcessPrivilege 1404 powershell.exe Token: SeIncBasePriorityPrivilege 1404 powershell.exe Token: SeCreatePagefilePrivilege 1404 powershell.exe Token: SeBackupPrivilege 1404 powershell.exe Token: SeRestorePrivilege 1404 powershell.exe Token: SeShutdownPrivilege 1404 powershell.exe Token: SeDebugPrivilege 1404 powershell.exe Token: SeSystemEnvironmentPrivilege 1404 powershell.exe Token: SeRemoteShutdownPrivilege 1404 powershell.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
injectdll.exeloaderr.exepid process 3164 injectdll.exe 5068 loaderr.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
Loader V2.exeLoader.exeinjectdll.exeloaderr.exedescription pid process target process PID 2232 wrote to memory of 392 2232 Loader V2.exe Loader.exe PID 2232 wrote to memory of 392 2232 Loader V2.exe Loader.exe PID 2232 wrote to memory of 3164 2232 Loader V2.exe injectdll.exe PID 2232 wrote to memory of 3164 2232 Loader V2.exe injectdll.exe PID 392 wrote to memory of 5068 392 Loader.exe loaderr.exe PID 392 wrote to memory of 5068 392 Loader.exe loaderr.exe PID 392 wrote to memory of 4792 392 Loader.exe fixer.exe PID 392 wrote to memory of 4792 392 Loader.exe fixer.exe PID 3164 wrote to memory of 4200 3164 injectdll.exe schtasks.exe PID 3164 wrote to memory of 4200 3164 injectdll.exe schtasks.exe PID 5068 wrote to memory of 3744 5068 loaderr.exe powershell.exe PID 5068 wrote to memory of 3744 5068 loaderr.exe powershell.exe PID 5068 wrote to memory of 3852 5068 loaderr.exe powershell.exe PID 5068 wrote to memory of 3852 5068 loaderr.exe powershell.exe PID 5068 wrote to memory of 1404 5068 loaderr.exe powershell.exe PID 5068 wrote to memory of 1404 5068 loaderr.exe powershell.exe PID 5068 wrote to memory of 4324 5068 loaderr.exe powershell.exe PID 5068 wrote to memory of 4324 5068 loaderr.exe powershell.exe PID 5068 wrote to memory of 792 5068 loaderr.exe schtasks.exe PID 5068 wrote to memory of 792 5068 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:2232 -
C:\Users\Admin\AppData\Roaming\Loader.exe"C:\Users\Admin\AppData\Roaming\Loader.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:392 -
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:5068 -
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:3744
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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:3852
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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:1404
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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:4324
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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:792
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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:4792
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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:3164 -
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:4200
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C:\Users\Admin\AppData\Roaming\svhost.exeC:\Users\Admin\AppData\Roaming\svhost.exe1⤵
- Executes dropped EXE
PID:3784
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C:\Users\Admin\AppData\Local\svchost.exeC:\Users\Admin\AppData\Local\svchost.exe1⤵
- Executes dropped EXE
PID:1132
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C:\Users\Admin\AppData\Roaming\svhost.exeC:\Users\Admin\AppData\Roaming\svhost.exe1⤵
- Executes dropped EXE
PID:1916
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C:\Users\Admin\AppData\Local\svchost.exeC:\Users\Admin\AppData\Local\svchost.exe1⤵
- Executes dropped EXE
PID:1512
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
MD5150a1cb3ab9c1a6a5abe9546f7e49bc9
SHA1fcafaac126eeacf0e39a7bd58228d7a0140c7435
SHA25637d405c00e9963ce094654c557fcede8b5fd1789050cc3e6eeb080313e64affd
SHA51215b88ee280de3a3b7052bf1ba7fcba1982e3554d9303511713051c55ec179b4bfcf0b1de689e19106c9d53709f60dff1eef101da04f8b3e73a37eb58d1931696
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Filesize
1KB
MD543dae3e092de54f471b70e2bae25eaaf
SHA1c6d84536fc53a5d40de779ff9f77b15cb7d1ab4a
SHA256cfeee9bbb69bece3bdcba4af6bf3d20e9a9bd70c4dcf2328a44eac6a6958af07
SHA51229542bdc0a632e143ed24baa03f6f1221028fb3fbbf254e2c844a003a9978b2d5cc9183a0afbe8ced2a62b822071b354cef41d9475ac9b0b28cb9380da121e52
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Filesize
1KB
MD508d3955388d8915851e297c5e3bff460
SHA1482887ce784f0368cf9d69d7268c0903bd78fc4d
SHA256ca30a0712f7c2a43ae3177dae97f0533331bb40fd5a65aec027ed1011baad610
SHA51294d11907b2dfbd9ef05444cbb5a2d3fa26e0bf10e533fa9467775fe51ab039f9d86bb4871713d1e312df084e6613e9abf6177281328f47d1185f74a7912a44c4
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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
MD50b7ab59aa09df76435ef393b1f58081d
SHA1e32716694aa8469c360df64a6e9fef467eb73105
SHA256ec99f1c006a99f3883473e82d9ab12ddfb3357dc3b367d6f5cce4115b890995f
SHA512c0a470c537ea51234555da9288c186bf4160e81affb5a697ac4602da43611d70aac714e89be5c358af55ff85ddc159a384cdb5121cb47dd3b8f86a42b0f6e935
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Filesize
7.6MB
MD5aa16f3774491b600121545a5f194cefc
SHA1c872fe765ecff1dada8378ad8a12cd5cf0425219
SHA256c0a2b824a0fd05854818bfb81b02bc6178db3f8519807b15d844580099428e1d
SHA5128b50e7c6eca25ecc2196fbfaf42079873e3c532a90e8d8b691fb594da3e067593f86f0d6488d0c314a27d78519f33fcbfb4532f811997891d55a47d582e1b3a8
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Filesize
244KB
MD574ffb0d60d647dd6ad8d00c1bee48011
SHA14c8a707a33b35b78f374c66d59f9c2314c20b25f
SHA256b481f1e0cfe25e5f19da0a0333c78661bf5c75c0b1c616ff4aaaa07aed31efd1
SHA512fc667f4560d6b19a9a4f37eb0e66c751eb348ffc0db69c7d0bd733dfd2df2dfdadc7b780cd93686350444cc14a54283bafe3afec611bcac3ad0239eda659f46c