Analysis
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max time kernel
146s -
max time network
155s -
platform
windows10-1703_x64 -
resource
win10-20240611-en -
resource tags
arch:x64arch:x86image:win10-20240611-enlocale:en-usos:windows10-1703-x64system -
submitted
02-08-2024 11:15
Static task
static1
Behavioral task
behavioral1
Sample
Loader V2.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
Loader V2.exe
Resource
win10-20240611-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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Detect Xworm Payload 4 IoCs
resource yara_rule behavioral2/memory/5116-13-0x0000000000360000-0x00000000003A2000-memory.dmp family_xworm behavioral2/files/0x000800000001aadc-11.dat family_xworm behavioral2/files/0x000800000001aadd-21.dat family_xworm behavioral2/memory/4296-34-0x0000000000290000-0x00000000002A6000-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.
pid Process 3284 powershell.exe 4284 powershell.exe 5052 powershell.exe 1896 powershell.exe -
Drops startup file 4 IoCs
description ioc Process 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 File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svhost.lnk injectdll.exe -
Executes dropped EXE 8 IoCs
pid Process 5104 Loader.exe 5116 injectdll.exe 4296 loaderr.exe 4496 fixer.exe 4136 svchost.exe 1320 svhost.exe 4800 svchost.exe 2168 svhost.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
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Windows\CurrentVersion\Run\svhost = "C:\\Users\\Admin\\AppData\\Roaming\\svhost.exe" injectdll.exe Set value (str) \REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\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.
flow ioc 2 freegeoip.app 7 ip-api.com 1 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.
description 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.
pid Process 3164 schtasks.exe 3420 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 4496 fixer.exe 4496 fixer.exe 4496 fixer.exe 4496 fixer.exe 1896 powershell.exe 1896 powershell.exe 1896 powershell.exe 5116 injectdll.exe 3284 powershell.exe 3284 powershell.exe 3284 powershell.exe 4284 powershell.exe 4284 powershell.exe 4284 powershell.exe 5052 powershell.exe 5052 powershell.exe 5052 powershell.exe 4296 loaderr.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 5116 injectdll.exe Token: SeDebugPrivilege 4296 loaderr.exe Token: SeDebugPrivilege 4496 fixer.exe Token: SeDebugPrivilege 1896 powershell.exe Token: SeDebugPrivilege 5116 injectdll.exe Token: SeIncreaseQuotaPrivilege 1896 powershell.exe Token: SeSecurityPrivilege 1896 powershell.exe Token: SeTakeOwnershipPrivilege 1896 powershell.exe Token: SeLoadDriverPrivilege 1896 powershell.exe Token: SeSystemProfilePrivilege 1896 powershell.exe Token: SeSystemtimePrivilege 1896 powershell.exe Token: SeProfSingleProcessPrivilege 1896 powershell.exe Token: SeIncBasePriorityPrivilege 1896 powershell.exe Token: SeCreatePagefilePrivilege 1896 powershell.exe Token: SeBackupPrivilege 1896 powershell.exe Token: SeRestorePrivilege 1896 powershell.exe Token: SeShutdownPrivilege 1896 powershell.exe Token: SeDebugPrivilege 1896 powershell.exe Token: SeSystemEnvironmentPrivilege 1896 powershell.exe Token: SeRemoteShutdownPrivilege 1896 powershell.exe Token: SeUndockPrivilege 1896 powershell.exe Token: SeManageVolumePrivilege 1896 powershell.exe Token: 33 1896 powershell.exe Token: 34 1896 powershell.exe Token: 35 1896 powershell.exe Token: 36 1896 powershell.exe Token: SeDebugPrivilege 3284 powershell.exe Token: SeIncreaseQuotaPrivilege 3284 powershell.exe Token: SeSecurityPrivilege 3284 powershell.exe Token: SeTakeOwnershipPrivilege 3284 powershell.exe Token: SeLoadDriverPrivilege 3284 powershell.exe Token: SeSystemProfilePrivilege 3284 powershell.exe Token: SeSystemtimePrivilege 3284 powershell.exe Token: SeProfSingleProcessPrivilege 3284 powershell.exe Token: SeIncBasePriorityPrivilege 3284 powershell.exe Token: SeCreatePagefilePrivilege 3284 powershell.exe Token: SeBackupPrivilege 3284 powershell.exe Token: SeRestorePrivilege 3284 powershell.exe Token: SeShutdownPrivilege 3284 powershell.exe Token: SeDebugPrivilege 3284 powershell.exe Token: SeSystemEnvironmentPrivilege 3284 powershell.exe Token: SeRemoteShutdownPrivilege 3284 powershell.exe Token: SeUndockPrivilege 3284 powershell.exe Token: SeManageVolumePrivilege 3284 powershell.exe Token: 33 3284 powershell.exe Token: 34 3284 powershell.exe Token: 35 3284 powershell.exe Token: 36 3284 powershell.exe Token: SeDebugPrivilege 4284 powershell.exe Token: SeIncreaseQuotaPrivilege 4284 powershell.exe Token: SeSecurityPrivilege 4284 powershell.exe Token: SeTakeOwnershipPrivilege 4284 powershell.exe Token: SeLoadDriverPrivilege 4284 powershell.exe Token: SeSystemProfilePrivilege 4284 powershell.exe Token: SeSystemtimePrivilege 4284 powershell.exe Token: SeProfSingleProcessPrivilege 4284 powershell.exe Token: SeIncBasePriorityPrivilege 4284 powershell.exe Token: SeCreatePagefilePrivilege 4284 powershell.exe Token: SeBackupPrivilege 4284 powershell.exe Token: SeRestorePrivilege 4284 powershell.exe Token: SeShutdownPrivilege 4284 powershell.exe Token: SeDebugPrivilege 4284 powershell.exe Token: SeSystemEnvironmentPrivilege 4284 powershell.exe Token: SeRemoteShutdownPrivilege 4284 powershell.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5116 injectdll.exe 4296 loaderr.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 440 wrote to memory of 5104 440 Loader V2.exe 70 PID 440 wrote to memory of 5104 440 Loader V2.exe 70 PID 440 wrote to memory of 5116 440 Loader V2.exe 71 PID 440 wrote to memory of 5116 440 Loader V2.exe 71 PID 5104 wrote to memory of 4296 5104 Loader.exe 72 PID 5104 wrote to memory of 4296 5104 Loader.exe 72 PID 5104 wrote to memory of 4496 5104 Loader.exe 73 PID 5104 wrote to memory of 4496 5104 Loader.exe 73 PID 4296 wrote to memory of 1896 4296 loaderr.exe 75 PID 4296 wrote to memory of 1896 4296 loaderr.exe 75 PID 5116 wrote to memory of 3164 5116 injectdll.exe 77 PID 5116 wrote to memory of 3164 5116 injectdll.exe 77 PID 4296 wrote to memory of 3284 4296 loaderr.exe 80 PID 4296 wrote to memory of 3284 4296 loaderr.exe 80 PID 4296 wrote to memory of 4284 4296 loaderr.exe 82 PID 4296 wrote to memory of 4284 4296 loaderr.exe 82 PID 4296 wrote to memory of 5052 4296 loaderr.exe 84 PID 4296 wrote to memory of 5052 4296 loaderr.exe 84 PID 4296 wrote to memory of 3420 4296 loaderr.exe 86 PID 4296 wrote to memory of 3420 4296 loaderr.exe 86 -
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:440 -
C:\Users\Admin\AppData\Roaming\Loader.exe"C:\Users\Admin\AppData\Roaming\Loader.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5104 -
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:4296 -
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:1896
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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:3284
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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:4284
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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:5052
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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:3420
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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:4496
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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:5116 -
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:3164
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C:\Users\Admin\AppData\Local\svchost.exeC:\Users\Admin\AppData\Local\svchost.exe1⤵
- Executes dropped EXE
PID:4136
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C:\Users\Admin\AppData\Roaming\svhost.exeC:\Users\Admin\AppData\Roaming\svhost.exe1⤵
- Executes dropped EXE
PID:1320
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C:\Users\Admin\AppData\Local\svchost.exeC:\Users\Admin\AppData\Local\svchost.exe1⤵
- Executes dropped EXE
PID:4800
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C:\Users\Admin\AppData\Roaming\svhost.exeC:\Users\Admin\AppData\Roaming\svhost.exe1⤵
- Executes dropped EXE
PID:2168
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
Loading Replay Monitor...
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
MD5136297279c34ec394e8c6fb5e179a2a5
SHA1338c7e4a2494bfe9b7d85adbc62fcab37a9c6507
SHA2566b4daa017841a1d6e81eb799f4c5f9a4b4aabdc0f1f4b6220f65f28336153c42
SHA5127684a4083887d4b3a3f9bba41a166ee7346148adfe48536b1940880fab32ba931f3644cbf36e672ecea9d4f15220a6db25a77f81f3c57e3549a9dac4915fb139
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Filesize
1KB
MD5975cf74be5ba74749f84a82d5958d52d
SHA1b4155a6ce07a5f8692ac4715dc96d40dd6e58476
SHA256c02366fe483ec297952ce4f8299b0ce56e506b4ebebd03df6aad6c0aaa404388
SHA512c64ef36993a239dedee173e00e3779baff0ec8b812ae48baf3da5c2b817db9b3a38408e80fb68a62e66e0388e501875175aadb636568a23ae7eba0ec2ebef078
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Filesize
1KB
MD53986f845a4f04c479b13062777f7263f
SHA1dd66663aeb0c6f7dd9d53a34f0bf369403b84215
SHA2566e66680c4ea020a5701f5da6c07ef6f972339f8e0ab4540b5b763cb8ab352bd8
SHA5128c57572fc136ccd982b380a01a3f98f0f5ff646bd857730586ea13fae2bc56f07fd0e63091818ce775d33b99e80103c26c52214dc1da92e30a93297ec4b1049d
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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
765B
MD57aaef61087d31d879519d0e33fbdc38c
SHA14ad883b756fb2f43f5abd9a452d4f93cff1c48c0
SHA2560557cabf0fac8cd4eb9137d87c4512f01a6407109dcbd05de37e3f97ff751812
SHA5122ac7c3231ce713466e2714e4fef4e009b55a5a00c0ab79cff851e786b1aa39f75879e4537d5cb0567b4ce898a06a5e17b77da44aa3ef525fb70fe657a0e63802
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Filesize
1KB
MD5c2161831c0d89a9f6ca14eed1723cdec
SHA176988219f2f29e6c69c7990a96081ecdaa4daebf
SHA256e9e75f630ba34f44dc87bb50fb4bb941b2d07435f792a0b7584f449a777680b6
SHA512d8680845212a2614565722f52f0a158673c07a4f71f8681fc6af6834d6e417792c95e6eda32e9bc1d6f60c2cbacc0b214d957391badb10d2aea69924d9f83696
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Filesize
263B
MD542a7a146c75fb985f160679d1bfc4b83
SHA1d5e83a7437c33cdada230851a6f42c9f80b1c4d3
SHA256f8212d5dc4b8a07c1fe4cb7e80ad4372f0feab8681be5d7d77cfd96ecd73a016
SHA512282d5c33490e0af082e50145139750e91778691e2e1c091b1449678f15fa1cd59acc292cd354376626c250ccbb4e35d4e1d66dddd21d76ff8b8c4d7e49341216
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Filesize
7.6MB
MD5aa16f3774491b600121545a5f194cefc
SHA1c872fe765ecff1dada8378ad8a12cd5cf0425219
SHA256c0a2b824a0fd05854818bfb81b02bc6178db3f8519807b15d844580099428e1d
SHA5128b50e7c6eca25ecc2196fbfaf42079873e3c532a90e8d8b691fb594da3e067593f86f0d6488d0c314a27d78519f33fcbfb4532f811997891d55a47d582e1b3a8
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Filesize
244KB
MD574ffb0d60d647dd6ad8d00c1bee48011
SHA14c8a707a33b35b78f374c66d59f9c2314c20b25f
SHA256b481f1e0cfe25e5f19da0a0333c78661bf5c75c0b1c616ff4aaaa07aed31efd1
SHA512fc667f4560d6b19a9a4f37eb0e66c751eb348ffc0db69c7d0bd733dfd2df2dfdadc7b780cd93686350444cc14a54283bafe3afec611bcac3ad0239eda659f46c