Analysis
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max time kernel
51s -
max time network
81s -
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
win7-20240704-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.
resource yara_rule behavioral2/memory/1540-325-0x00000000013A0000-0x00000000013AE000-memory.dmp disable_win_def -
Detect Xworm Payload 4 IoCs
resource yara_rule behavioral2/files/0x000900000001ac05-11.dat family_xworm behavioral2/memory/5100-14-0x0000000000330000-0x0000000000372000-memory.dmp family_xworm behavioral2/files/0x000700000001ac62-22.dat family_xworm behavioral2/memory/1540-33-0x0000000000A90000-0x0000000000AA6000-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 3032 powershell.exe 2188 powershell.exe 1512 powershell.exe 4588 powershell.exe -
Drops startup file 4 IoCs
description 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
pid Process 4424 Loader.exe 5100 injectdll.exe 1540 loaderr.exe 4876 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
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Local\\svchost.exe" loaderr.exe Set value (str) \REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000\Software\Microsoft\Windows\CurrentVersion\Run\svhost = "C:\\Users\\Admin\\AppData\\Roaming\\svhost.exe" injectdll.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 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.
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 2168 schtasks.exe 4680 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 4876 fixer.exe 4876 fixer.exe 4876 fixer.exe 4876 fixer.exe 3032 powershell.exe 3032 powershell.exe 3032 powershell.exe 2188 powershell.exe 2188 powershell.exe 2188 powershell.exe 5100 injectdll.exe 1512 powershell.exe 1512 powershell.exe 1512 powershell.exe 4588 powershell.exe 4588 powershell.exe 4588 powershell.exe 1540 loaderr.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 5100 injectdll.exe Token: SeDebugPrivilege 1540 loaderr.exe Token: SeDebugPrivilege 4876 fixer.exe Token: SeDebugPrivilege 3032 powershell.exe Token: SeIncreaseQuotaPrivilege 3032 powershell.exe Token: SeSecurityPrivilege 3032 powershell.exe Token: SeTakeOwnershipPrivilege 3032 powershell.exe Token: SeLoadDriverPrivilege 3032 powershell.exe Token: SeSystemProfilePrivilege 3032 powershell.exe Token: SeSystemtimePrivilege 3032 powershell.exe Token: SeProfSingleProcessPrivilege 3032 powershell.exe Token: SeIncBasePriorityPrivilege 3032 powershell.exe Token: SeCreatePagefilePrivilege 3032 powershell.exe Token: SeBackupPrivilege 3032 powershell.exe Token: SeRestorePrivilege 3032 powershell.exe Token: SeShutdownPrivilege 3032 powershell.exe Token: SeDebugPrivilege 3032 powershell.exe Token: SeSystemEnvironmentPrivilege 3032 powershell.exe Token: SeRemoteShutdownPrivilege 3032 powershell.exe Token: SeUndockPrivilege 3032 powershell.exe Token: SeManageVolumePrivilege 3032 powershell.exe Token: 33 3032 powershell.exe Token: 34 3032 powershell.exe Token: 35 3032 powershell.exe Token: 36 3032 powershell.exe Token: SeDebugPrivilege 2188 powershell.exe Token: SeDebugPrivilege 5100 injectdll.exe Token: SeIncreaseQuotaPrivilege 2188 powershell.exe Token: SeSecurityPrivilege 2188 powershell.exe Token: SeTakeOwnershipPrivilege 2188 powershell.exe Token: SeLoadDriverPrivilege 2188 powershell.exe Token: SeSystemProfilePrivilege 2188 powershell.exe Token: SeSystemtimePrivilege 2188 powershell.exe Token: SeProfSingleProcessPrivilege 2188 powershell.exe Token: SeIncBasePriorityPrivilege 2188 powershell.exe Token: SeCreatePagefilePrivilege 2188 powershell.exe Token: SeBackupPrivilege 2188 powershell.exe Token: SeRestorePrivilege 2188 powershell.exe Token: SeShutdownPrivilege 2188 powershell.exe Token: SeDebugPrivilege 2188 powershell.exe Token: SeSystemEnvironmentPrivilege 2188 powershell.exe Token: SeRemoteShutdownPrivilege 2188 powershell.exe Token: SeUndockPrivilege 2188 powershell.exe Token: SeManageVolumePrivilege 2188 powershell.exe Token: 33 2188 powershell.exe Token: 34 2188 powershell.exe Token: 35 2188 powershell.exe Token: 36 2188 powershell.exe Token: SeDebugPrivilege 1512 powershell.exe Token: SeIncreaseQuotaPrivilege 1512 powershell.exe Token: SeSecurityPrivilege 1512 powershell.exe Token: SeTakeOwnershipPrivilege 1512 powershell.exe Token: SeLoadDriverPrivilege 1512 powershell.exe Token: SeSystemProfilePrivilege 1512 powershell.exe Token: SeSystemtimePrivilege 1512 powershell.exe Token: SeProfSingleProcessPrivilege 1512 powershell.exe Token: SeIncBasePriorityPrivilege 1512 powershell.exe Token: SeCreatePagefilePrivilege 1512 powershell.exe Token: SeBackupPrivilege 1512 powershell.exe Token: SeRestorePrivilege 1512 powershell.exe Token: SeShutdownPrivilege 1512 powershell.exe Token: SeDebugPrivilege 1512 powershell.exe Token: SeSystemEnvironmentPrivilege 1512 powershell.exe Token: SeRemoteShutdownPrivilege 1512 powershell.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5100 injectdll.exe 1540 loaderr.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 3936 wrote to memory of 4424 3936 Loader V2.exe 72 PID 3936 wrote to memory of 4424 3936 Loader V2.exe 72 PID 3936 wrote to memory of 5100 3936 Loader V2.exe 73 PID 3936 wrote to memory of 5100 3936 Loader V2.exe 73 PID 4424 wrote to memory of 1540 4424 Loader.exe 74 PID 4424 wrote to memory of 1540 4424 Loader.exe 74 PID 4424 wrote to memory of 4876 4424 Loader.exe 75 PID 4424 wrote to memory of 4876 4424 Loader.exe 75 PID 1540 wrote to memory of 3032 1540 loaderr.exe 77 PID 1540 wrote to memory of 3032 1540 loaderr.exe 77 PID 1540 wrote to memory of 2188 1540 loaderr.exe 80 PID 1540 wrote to memory of 2188 1540 loaderr.exe 80 PID 5100 wrote to memory of 2168 5100 injectdll.exe 82 PID 5100 wrote to memory of 2168 5100 injectdll.exe 82 PID 1540 wrote to memory of 1512 1540 loaderr.exe 84 PID 1540 wrote to memory of 1512 1540 loaderr.exe 84 PID 1540 wrote to memory of 4588 1540 loaderr.exe 86 PID 1540 wrote to memory of 4588 1540 loaderr.exe 86 PID 1540 wrote to memory of 4680 1540 loaderr.exe 88 PID 1540 wrote to memory of 4680 1540 loaderr.exe 88 -
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:3936 -
C:\Users\Admin\AppData\Roaming\Loader.exe"C:\Users\Admin\AppData\Roaming\Loader.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4424 -
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:1540 -
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:3032
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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:2188
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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:1512
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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:4588
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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:4680
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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:4876
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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:5100 -
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:2168
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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
MD5221fb03600a996c45b14e0167ce84740
SHA1ef29f12fc5f422353d841801b3cbcb326dd7b2de
SHA256475a080f3df19ead725e61652c5131460f6eea68f783cb0be4bdb456c2875c92
SHA5126be2179443b533d9cabbf009a4444e4c333e4d03276ba40c1300d4650477b9c293ac12c4296d12d43a9d83efe2f422d892e4315429a29d44fbf3126f2e52bfb5
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Filesize
3KB
MD5ad5cd538ca58cb28ede39c108acb5785
SHA11ae910026f3dbe90ed025e9e96ead2b5399be877
SHA256c9e6cb04d6c893458d5a7e12eb575cf97c3172f5e312b1f63a667cbbc5f0c033
SHA512c066c5d9b276a68fa636647bb29aea05bfa2292217bc77f5324d9c1d93117772ee8277e1f7cff91ec8d6b7c05ca078f929cecfdbb09582522a9067f54740af13
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Filesize
1KB
MD557dd641bd4d331a8a917b7229c1cb2cb
SHA10efc905f26a7916ad671e0ca96f123c0ea5eb738
SHA256084d8f862c9176ba5ef3f0d2584037f2029a7382921dffbf988b596306dd1a1b
SHA512f8f0e7cac0137ef3209b6fe443f7035982237c1e2fce5e0bf07aa54718a947e42767a61e58f651f91dd3e14d08450400ecb29783ad5319d403ec1d22c9e99a3b
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Filesize
1KB
MD524879deb15d5c8aa09b55dc736cc875f
SHA1286b5f9e58cd3b766925e7ad25edc28c0cefd2c7
SHA25690bed28b4e3af2f4bfe681ccde3a5e22394f1d4ec96c137f3464bb1956b588f1
SHA512ee4d7b058885d8750422474327ed3bf42f0418c33bf576f0e42f1ee2fcaed48a1ffe4000820fb0db7530f0d1bb4d42098ec788dda6b52e3466d596f37b9cf4bd
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Filesize
1KB
MD5c662cce86605f3869adfffd68b6c7967
SHA14644b1f7c19dae30c44c6751923cb6ddbe81569d
SHA2565f77866f9cc62c6931c14986645e26c510d4441b3ce810f68f2af747967581e6
SHA512a84f998e86eb7e222163abb9d5f37bf3da6ce318b8bb1d9d48b87b228244e5398b8192ee7c36620a27eda9b9b3e2b563dbddc0d2f2a27fb7ee746c92a07d0b4c
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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