Analysis
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max time kernel
42s -
max time network
79s -
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 11:11
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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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/1452-323-0x000000001BAA0000-0x000000001BAAE000-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/4884-16-0x00000000006F0000-0x0000000000732000-memory.dmp family_xworm C:\Users\Admin\AppData\Local\Temp\loaderr.exe family_xworm behavioral2/memory/1452-30-0x0000000000F10000-0x0000000000F26000-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 3564 powershell.exe 4372 powershell.exe 424 powershell.exe 1628 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 4 IoCs
Processes:
Loader.exeinjectdll.exeloaderr.exefixer.exepid process 2328 Loader.exe 4884 injectdll.exe 1452 loaderr.exe 4556 fixer.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 4292 schtasks.exe 760 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
Processes:
fixer.exeinjectdll.exepowershell.exepowershell.exepowershell.exepowershell.exeloaderr.exepid process 4556 fixer.exe 4556 fixer.exe 4556 fixer.exe 4556 fixer.exe 4884 injectdll.exe 3564 powershell.exe 3564 powershell.exe 3564 powershell.exe 4372 powershell.exe 4372 powershell.exe 4372 powershell.exe 424 powershell.exe 424 powershell.exe 424 powershell.exe 1628 powershell.exe 1628 powershell.exe 1628 powershell.exe 1452 loaderr.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
injectdll.exeloaderr.exefixer.exepowershell.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 4884 injectdll.exe Token: SeDebugPrivilege 1452 loaderr.exe Token: SeDebugPrivilege 4556 fixer.exe Token: SeDebugPrivilege 4884 injectdll.exe Token: SeDebugPrivilege 3564 powershell.exe Token: SeIncreaseQuotaPrivilege 3564 powershell.exe Token: SeSecurityPrivilege 3564 powershell.exe Token: SeTakeOwnershipPrivilege 3564 powershell.exe Token: SeLoadDriverPrivilege 3564 powershell.exe Token: SeSystemProfilePrivilege 3564 powershell.exe Token: SeSystemtimePrivilege 3564 powershell.exe Token: SeProfSingleProcessPrivilege 3564 powershell.exe Token: SeIncBasePriorityPrivilege 3564 powershell.exe Token: SeCreatePagefilePrivilege 3564 powershell.exe Token: SeBackupPrivilege 3564 powershell.exe Token: SeRestorePrivilege 3564 powershell.exe Token: SeShutdownPrivilege 3564 powershell.exe Token: SeDebugPrivilege 3564 powershell.exe Token: SeSystemEnvironmentPrivilege 3564 powershell.exe Token: SeRemoteShutdownPrivilege 3564 powershell.exe Token: SeUndockPrivilege 3564 powershell.exe Token: SeManageVolumePrivilege 3564 powershell.exe Token: 33 3564 powershell.exe Token: 34 3564 powershell.exe Token: 35 3564 powershell.exe Token: 36 3564 powershell.exe Token: SeDebugPrivilege 4372 powershell.exe Token: SeIncreaseQuotaPrivilege 4372 powershell.exe Token: SeSecurityPrivilege 4372 powershell.exe Token: SeTakeOwnershipPrivilege 4372 powershell.exe Token: SeLoadDriverPrivilege 4372 powershell.exe Token: SeSystemProfilePrivilege 4372 powershell.exe Token: SeSystemtimePrivilege 4372 powershell.exe Token: SeProfSingleProcessPrivilege 4372 powershell.exe Token: SeIncBasePriorityPrivilege 4372 powershell.exe Token: SeCreatePagefilePrivilege 4372 powershell.exe Token: SeBackupPrivilege 4372 powershell.exe Token: SeRestorePrivilege 4372 powershell.exe Token: SeShutdownPrivilege 4372 powershell.exe Token: SeDebugPrivilege 4372 powershell.exe Token: SeSystemEnvironmentPrivilege 4372 powershell.exe Token: SeRemoteShutdownPrivilege 4372 powershell.exe Token: SeUndockPrivilege 4372 powershell.exe Token: SeManageVolumePrivilege 4372 powershell.exe Token: 33 4372 powershell.exe Token: 34 4372 powershell.exe Token: 35 4372 powershell.exe Token: 36 4372 powershell.exe Token: SeDebugPrivilege 424 powershell.exe Token: SeIncreaseQuotaPrivilege 424 powershell.exe Token: SeSecurityPrivilege 424 powershell.exe Token: SeTakeOwnershipPrivilege 424 powershell.exe Token: SeLoadDriverPrivilege 424 powershell.exe Token: SeSystemProfilePrivilege 424 powershell.exe Token: SeSystemtimePrivilege 424 powershell.exe Token: SeProfSingleProcessPrivilege 424 powershell.exe Token: SeIncBasePriorityPrivilege 424 powershell.exe Token: SeCreatePagefilePrivilege 424 powershell.exe Token: SeBackupPrivilege 424 powershell.exe Token: SeRestorePrivilege 424 powershell.exe Token: SeShutdownPrivilege 424 powershell.exe Token: SeDebugPrivilege 424 powershell.exe Token: SeSystemEnvironmentPrivilege 424 powershell.exe Token: SeRemoteShutdownPrivilege 424 powershell.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
injectdll.exeloaderr.exepid process 4884 injectdll.exe 1452 loaderr.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
Loader V2.exeLoader.exeinjectdll.exeloaderr.exedescription pid process target process PID 1104 wrote to memory of 2328 1104 Loader V2.exe Loader.exe PID 1104 wrote to memory of 2328 1104 Loader V2.exe Loader.exe PID 1104 wrote to memory of 4884 1104 Loader V2.exe injectdll.exe PID 1104 wrote to memory of 4884 1104 Loader V2.exe injectdll.exe PID 2328 wrote to memory of 1452 2328 Loader.exe loaderr.exe PID 2328 wrote to memory of 1452 2328 Loader.exe loaderr.exe PID 2328 wrote to memory of 4556 2328 Loader.exe fixer.exe PID 2328 wrote to memory of 4556 2328 Loader.exe fixer.exe PID 4884 wrote to memory of 4292 4884 injectdll.exe schtasks.exe PID 4884 wrote to memory of 4292 4884 injectdll.exe schtasks.exe PID 1452 wrote to memory of 3564 1452 loaderr.exe powershell.exe PID 1452 wrote to memory of 3564 1452 loaderr.exe powershell.exe PID 1452 wrote to memory of 4372 1452 loaderr.exe powershell.exe PID 1452 wrote to memory of 4372 1452 loaderr.exe powershell.exe PID 1452 wrote to memory of 424 1452 loaderr.exe powershell.exe PID 1452 wrote to memory of 424 1452 loaderr.exe powershell.exe PID 1452 wrote to memory of 1628 1452 loaderr.exe powershell.exe PID 1452 wrote to memory of 1628 1452 loaderr.exe powershell.exe PID 1452 wrote to memory of 760 1452 loaderr.exe schtasks.exe PID 1452 wrote to memory of 760 1452 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:1104 -
C:\Users\Admin\AppData\Roaming\Loader.exe"C:\Users\Admin\AppData\Roaming\Loader.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2328 -
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:1452 -
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:3564
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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:4372
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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:424
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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:1628
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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:760
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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:4556
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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:4884 -
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:4292
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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
MD5c35b27b16f44aa2e1daced4497961210
SHA1fdcb64084350f9579193c310284ed6b34c40d82c
SHA256a1485f3cae0bf59a67667720f24e088abf1b7954a6dcd2a7bb32d2351281f9a3
SHA512f6f7927bfef2216e62d3b371bc575aa179b22ac0cb9cfaf5b7d240a477fbb54968f6d132be30374bb76129c65d2fcf71a6cdbd48a6ac596eaebbce7c81454b05
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Filesize
670B
MD5472bd24d8388674778e6de57227e18f0
SHA13397fdc6685592b1ae600918c5c2a13dd6923cd7
SHA256a8a88c7c1396342082fd02ddb3940d55ea7090c0320b4e61d45b45f45c4e08dd
SHA512006a0f29d0520213600fe0b710d92addee5bf5714b14336262fc2f9d531215fcb8e9abf13eb3b8df9c1af480703d919c2866384d2e1a7878af3c9696ad952ca6
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Filesize
3KB
MD58592ba100a78835a6b94d5949e13dfc1
SHA163e901200ab9a57c7dd4c078d7f75dcd3b357020
SHA256fdd7d9def6f9f0c0f2e60dbc8a2d1999071cd7d3095e9e087bb1cda7a614ac3c
SHA51287f98e6cb61b2a2a7d65710c4d33881d89715eb7a06e00d492259f35c3902498baabffc5886be0ec5a14312ad4c262e3fc40cd3a5cb91701af0fb229726b88c3
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Filesize
1KB
MD51eecdf947f7da295f59fc4d89b5d79c7
SHA15bda122547dc38753a94d5ffd182fa1807a59e5c
SHA256e97cba0eb49d8cce3c6535c580d99cb9081938a4e71400f1544e77fc84f2f0d8
SHA512f7860479b762c464c9fe3ca3fe50b40c65fec9b89028cf0fc000ac484ef7cd786af7038f3a401d9c2a419e4546327906806df5a66ca1661c3af016ca80fae868
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Filesize
1KB
MD5fe87ee0d5a4f26928be9a80ac3589be0
SHA1ee10880ff6d17fbc3777356b4e18f4833d4bb130
SHA256c662d46742de992655d3148ac1af343efa05fe618678ef2c5186fc3f557f6b13
SHA5124b134fd599550d187da732ed971549c416dc1e2b3cb00a892a4c69ce3affe38809f83a0aa84318f715b0511e75d975983a86fbad44ada31e5370038ae67e2bdf
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Filesize
1KB
MD54479243545fb772e00bf76e0f308db54
SHA14de76144f34e63afb263df2d43922ac065f8a920
SHA256f271a17cd4bf0227df1e2e643531a54bbcf4837ad11bd7c6eebdfc234dcd182e
SHA512904497bef2e283ffed217107a568271b869fdf16218ad6d1f1a80a81e3d21986c5ed796df9d4abf84fd2cf2a8dfb9111fe2c81bb1a7025c538099c901b6c5256
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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