Analysis
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max time kernel
149s -
max time network
147s -
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 11:15
Static task
static1
Behavioral task
behavioral1
Sample
Loader V2.exe
Resource
win7-20240705-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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Detect Xworm Payload 4 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\injectdll.exe family_xworm behavioral2/memory/2316-13-0x0000000000550000-0x0000000000592000-memory.dmp family_xworm C:\Users\Admin\AppData\Local\Temp\loaderr.exe family_xworm behavioral2/memory/3088-28-0x0000000000E50000-0x0000000000E66000-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 2440 powershell.exe 1628 powershell.exe 4356 powershell.exe 2884 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.exesvchost.exesvhost.exesvchost.exesvhost.exepid process 3724 Loader.exe 2316 injectdll.exe 3088 loaderr.exe 4220 fixer.exe 1924 svchost.exe 2428 svhost.exe 3060 svchost.exe 4244 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
Processes:
injectdll.exeloaderr.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-873560699-1074803302-2326074425-1000\Software\Microsoft\Windows\CurrentVersion\Run\svhost = "C:\\Users\\Admin\\AppData\\Roaming\\svhost.exe" injectdll.exe Set value (str) \REGISTRY\USER\S-1-5-21-873560699-1074803302-2326074425-1000\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 7 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 4548 schtasks.exe 4436 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
Processes:
fixer.exepowershell.exeinjectdll.exepowershell.exepowershell.exepowershell.exeloaderr.exepid process 4220 fixer.exe 4220 fixer.exe 4220 fixer.exe 4220 fixer.exe 1628 powershell.exe 1628 powershell.exe 1628 powershell.exe 2316 injectdll.exe 4356 powershell.exe 4356 powershell.exe 4356 powershell.exe 2884 powershell.exe 2884 powershell.exe 2884 powershell.exe 2440 powershell.exe 2440 powershell.exe 2440 powershell.exe 3088 loaderr.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
injectdll.exeloaderr.exefixer.exepowershell.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 2316 injectdll.exe Token: SeDebugPrivilege 3088 loaderr.exe Token: SeDebugPrivilege 4220 fixer.exe Token: SeDebugPrivilege 1628 powershell.exe Token: SeDebugPrivilege 2316 injectdll.exe Token: SeIncreaseQuotaPrivilege 1628 powershell.exe Token: SeSecurityPrivilege 1628 powershell.exe Token: SeTakeOwnershipPrivilege 1628 powershell.exe Token: SeLoadDriverPrivilege 1628 powershell.exe Token: SeSystemProfilePrivilege 1628 powershell.exe Token: SeSystemtimePrivilege 1628 powershell.exe Token: SeProfSingleProcessPrivilege 1628 powershell.exe Token: SeIncBasePriorityPrivilege 1628 powershell.exe Token: SeCreatePagefilePrivilege 1628 powershell.exe Token: SeBackupPrivilege 1628 powershell.exe Token: SeRestorePrivilege 1628 powershell.exe Token: SeShutdownPrivilege 1628 powershell.exe Token: SeDebugPrivilege 1628 powershell.exe Token: SeSystemEnvironmentPrivilege 1628 powershell.exe Token: SeRemoteShutdownPrivilege 1628 powershell.exe Token: SeUndockPrivilege 1628 powershell.exe Token: SeManageVolumePrivilege 1628 powershell.exe Token: 33 1628 powershell.exe Token: 34 1628 powershell.exe Token: 35 1628 powershell.exe Token: 36 1628 powershell.exe Token: SeDebugPrivilege 4356 powershell.exe Token: SeIncreaseQuotaPrivilege 4356 powershell.exe Token: SeSecurityPrivilege 4356 powershell.exe Token: SeTakeOwnershipPrivilege 4356 powershell.exe Token: SeLoadDriverPrivilege 4356 powershell.exe Token: SeSystemProfilePrivilege 4356 powershell.exe Token: SeSystemtimePrivilege 4356 powershell.exe Token: SeProfSingleProcessPrivilege 4356 powershell.exe Token: SeIncBasePriorityPrivilege 4356 powershell.exe Token: SeCreatePagefilePrivilege 4356 powershell.exe Token: SeBackupPrivilege 4356 powershell.exe Token: SeRestorePrivilege 4356 powershell.exe Token: SeShutdownPrivilege 4356 powershell.exe Token: SeDebugPrivilege 4356 powershell.exe Token: SeSystemEnvironmentPrivilege 4356 powershell.exe Token: SeRemoteShutdownPrivilege 4356 powershell.exe Token: SeUndockPrivilege 4356 powershell.exe Token: SeManageVolumePrivilege 4356 powershell.exe Token: 33 4356 powershell.exe Token: 34 4356 powershell.exe Token: 35 4356 powershell.exe Token: 36 4356 powershell.exe Token: SeDebugPrivilege 2884 powershell.exe Token: SeIncreaseQuotaPrivilege 2884 powershell.exe Token: SeSecurityPrivilege 2884 powershell.exe Token: SeTakeOwnershipPrivilege 2884 powershell.exe Token: SeLoadDriverPrivilege 2884 powershell.exe Token: SeSystemProfilePrivilege 2884 powershell.exe Token: SeSystemtimePrivilege 2884 powershell.exe Token: SeProfSingleProcessPrivilege 2884 powershell.exe Token: SeIncBasePriorityPrivilege 2884 powershell.exe Token: SeCreatePagefilePrivilege 2884 powershell.exe Token: SeBackupPrivilege 2884 powershell.exe Token: SeRestorePrivilege 2884 powershell.exe Token: SeShutdownPrivilege 2884 powershell.exe Token: SeDebugPrivilege 2884 powershell.exe Token: SeSystemEnvironmentPrivilege 2884 powershell.exe Token: SeRemoteShutdownPrivilege 2884 powershell.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
injectdll.exeloaderr.exepid process 2316 injectdll.exe 3088 loaderr.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
Loader V2.exeLoader.exeloaderr.exeinjectdll.exedescription pid process target process PID 2612 wrote to memory of 3724 2612 Loader V2.exe Loader.exe PID 2612 wrote to memory of 3724 2612 Loader V2.exe Loader.exe PID 2612 wrote to memory of 2316 2612 Loader V2.exe injectdll.exe PID 2612 wrote to memory of 2316 2612 Loader V2.exe injectdll.exe PID 3724 wrote to memory of 3088 3724 Loader.exe loaderr.exe PID 3724 wrote to memory of 3088 3724 Loader.exe loaderr.exe PID 3724 wrote to memory of 4220 3724 Loader.exe fixer.exe PID 3724 wrote to memory of 4220 3724 Loader.exe fixer.exe PID 3088 wrote to memory of 1628 3088 loaderr.exe powershell.exe PID 3088 wrote to memory of 1628 3088 loaderr.exe powershell.exe PID 2316 wrote to memory of 4548 2316 injectdll.exe schtasks.exe PID 2316 wrote to memory of 4548 2316 injectdll.exe schtasks.exe PID 3088 wrote to memory of 4356 3088 loaderr.exe powershell.exe PID 3088 wrote to memory of 4356 3088 loaderr.exe powershell.exe PID 3088 wrote to memory of 2884 3088 loaderr.exe powershell.exe PID 3088 wrote to memory of 2884 3088 loaderr.exe powershell.exe PID 3088 wrote to memory of 2440 3088 loaderr.exe powershell.exe PID 3088 wrote to memory of 2440 3088 loaderr.exe powershell.exe PID 3088 wrote to memory of 4436 3088 loaderr.exe schtasks.exe PID 3088 wrote to memory of 4436 3088 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:2612 -
C:\Users\Admin\AppData\Roaming\Loader.exe"C:\Users\Admin\AppData\Roaming\Loader.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3724 -
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:3088 -
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:1628
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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:4356
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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:2884
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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:2440
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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:4436
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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:4220
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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:2316 -
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:4548
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C:\Users\Admin\AppData\Local\svchost.exeC:\Users\Admin\AppData\Local\svchost.exe1⤵
- Executes dropped EXE
PID:1924
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C:\Users\Admin\AppData\Roaming\svhost.exeC:\Users\Admin\AppData\Roaming\svhost.exe1⤵
- Executes dropped EXE
PID:2428
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C:\Users\Admin\AppData\Local\svchost.exeC:\Users\Admin\AppData\Local\svchost.exe1⤵
- Executes dropped EXE
PID:3060
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C:\Users\Admin\AppData\Roaming\svhost.exeC:\Users\Admin\AppData\Roaming\svhost.exe1⤵
- Executes dropped EXE
PID:4244
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
1KB
MD54b47eb897e18c8535977cec58f9c98f6
SHA175fc9f749e7e903566b75a73c022955430415f15
SHA2569f2693eac715d6d2bddfcdb2982c9da599d56e93be50669382a0bb52f3cc76e7
SHA512a46e26f557a676e60f514f4a8b4fa34c241535152c5ae2823c6f4db47e7116428052c33f07077d148d2994380721287ba079cc1afd731a78e08e9934fbfb256d
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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
MD5d9f1fc2920bdea3a41de548fa7ce691d
SHA1723f76c0b18948fcd41aa2bd43034c9f56b63e58
SHA256fa820e5f337aa0d5a28e4aa4bb98d5651c5f1d58b2e7abc59847b05ada18fe2d
SHA512ed6606eb0b82051704742768aad78edde797e888f516e147ba16b4658f61e47166d2e3ed828f3796c484d67eb0c4057eb9473c72b93459fd65ba3a1ccdca948f
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Filesize
1KB
MD5f54e044bfe1ed5d0334507e6d8607d02
SHA17837acd9e03b5066a05ba5c65aac969437704131
SHA25630e8269315ee30fb9c82c7da3dc281b8372505d3d64f4bcd884a4d71b44e25f5
SHA512d49bf0050b815a9b0cc9e0be33e45cb3509209c4084c30aca49e5369d24303aa3b7a93debb92d000f64ab970add10e6c9488d5481eb2cb00428bc4e65e65ab8a
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Filesize
1KB
MD58010f84c2600cf4d775cc14de62af2a2
SHA1513a7265b769d1d62c112ea1bf81071e25c46514
SHA2567bee31e3123952b38232c81e29794d9919faa992fbd759a622a1110a2302d8b7
SHA5128d707582ccaddfdb1f6da8583d19feefb581c8c0286750b9e31d6a395a7aa7ed0c35d55675c0180c82bb8809219215de092e82cf5a9913348a4f1b155eb4f56f
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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
7.6MB
MD5aa16f3774491b600121545a5f194cefc
SHA1c872fe765ecff1dada8378ad8a12cd5cf0425219
SHA256c0a2b824a0fd05854818bfb81b02bc6178db3f8519807b15d844580099428e1d
SHA5128b50e7c6eca25ecc2196fbfaf42079873e3c532a90e8d8b691fb594da3e067593f86f0d6488d0c314a27d78519f33fcbfb4532f811997891d55a47d582e1b3a8
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Filesize
244KB
MD574ffb0d60d647dd6ad8d00c1bee48011
SHA14c8a707a33b35b78f374c66d59f9c2314c20b25f
SHA256b481f1e0cfe25e5f19da0a0333c78661bf5c75c0b1c616ff4aaaa07aed31efd1
SHA512fc667f4560d6b19a9a4f37eb0e66c751eb348ffc0db69c7d0bd733dfd2df2dfdadc7b780cd93686350444cc14a54283bafe3afec611bcac3ad0239eda659f46c