Analysis
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max time kernel
149s -
max time network
150s -
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 11:14
Static task
static1
Behavioral task
behavioral1
Sample
Loader V2.exe
Resource
win7-20240708-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 behavioral2/files/0x000800000001ac3e-10.dat family_xworm behavioral2/memory/816-13-0x0000000000180000-0x00000000001C2000-memory.dmp family_xworm behavioral2/files/0x000800000001ac3f-22.dat family_xworm behavioral2/memory/5080-25-0x0000000000770000-0x0000000000786000-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 2700 powershell.exe 3512 powershell.exe 1248 powershell.exe 2924 powershell.exe -
Drops startup file 4 IoCs
Processes:
injectdll.exeloaderr.exedescription ioc Process 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 File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svhost.lnk injectdll.exe -
Executes dropped EXE 8 IoCs
Processes:
Loader.exeinjectdll.exeloaderr.exefixer.exesvchost.exesvhost.exesvchost.exesvhost.exepid Process 4088 Loader.exe 816 injectdll.exe 5080 loaderr.exe 1980 fixer.exe 1984 svchost.exe 2420 svhost.exe 1896 svchost.exe 488 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-1-5-21-160447019-1232603106-4168707212-1000\Software\Microsoft\Windows\CurrentVersion\Run\svhost = "C:\\Users\\Admin\\AppData\\Roaming\\svhost.exe" injectdll.exe Set value (str) \REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\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 4624 schtasks.exe 4256 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
Processes:
fixer.exepowershell.exeinjectdll.exepowershell.exepowershell.exepowershell.exeloaderr.exepid Process 1980 fixer.exe 1980 fixer.exe 1980 fixer.exe 1980 fixer.exe 2924 powershell.exe 2924 powershell.exe 2924 powershell.exe 816 injectdll.exe 2700 powershell.exe 2700 powershell.exe 2700 powershell.exe 3512 powershell.exe 3512 powershell.exe 3512 powershell.exe 1248 powershell.exe 1248 powershell.exe 1248 powershell.exe 5080 loaderr.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
injectdll.exeloaderr.exefixer.exepowershell.exepowershell.exepowershell.exedescription pid Process Token: SeDebugPrivilege 816 injectdll.exe Token: SeDebugPrivilege 5080 loaderr.exe Token: SeDebugPrivilege 1980 fixer.exe Token: SeDebugPrivilege 2924 powershell.exe Token: SeDebugPrivilege 816 injectdll.exe Token: SeIncreaseQuotaPrivilege 2924 powershell.exe Token: SeSecurityPrivilege 2924 powershell.exe Token: SeTakeOwnershipPrivilege 2924 powershell.exe Token: SeLoadDriverPrivilege 2924 powershell.exe Token: SeSystemProfilePrivilege 2924 powershell.exe Token: SeSystemtimePrivilege 2924 powershell.exe Token: SeProfSingleProcessPrivilege 2924 powershell.exe Token: SeIncBasePriorityPrivilege 2924 powershell.exe Token: SeCreatePagefilePrivilege 2924 powershell.exe Token: SeBackupPrivilege 2924 powershell.exe Token: SeRestorePrivilege 2924 powershell.exe Token: SeShutdownPrivilege 2924 powershell.exe Token: SeDebugPrivilege 2924 powershell.exe Token: SeSystemEnvironmentPrivilege 2924 powershell.exe Token: SeRemoteShutdownPrivilege 2924 powershell.exe Token: SeUndockPrivilege 2924 powershell.exe Token: SeManageVolumePrivilege 2924 powershell.exe Token: 33 2924 powershell.exe Token: 34 2924 powershell.exe Token: 35 2924 powershell.exe Token: 36 2924 powershell.exe Token: SeDebugPrivilege 2700 powershell.exe Token: SeIncreaseQuotaPrivilege 2700 powershell.exe Token: SeSecurityPrivilege 2700 powershell.exe Token: SeTakeOwnershipPrivilege 2700 powershell.exe Token: SeLoadDriverPrivilege 2700 powershell.exe Token: SeSystemProfilePrivilege 2700 powershell.exe Token: SeSystemtimePrivilege 2700 powershell.exe Token: SeProfSingleProcessPrivilege 2700 powershell.exe Token: SeIncBasePriorityPrivilege 2700 powershell.exe Token: SeCreatePagefilePrivilege 2700 powershell.exe Token: SeBackupPrivilege 2700 powershell.exe Token: SeRestorePrivilege 2700 powershell.exe Token: SeShutdownPrivilege 2700 powershell.exe Token: SeDebugPrivilege 2700 powershell.exe Token: SeSystemEnvironmentPrivilege 2700 powershell.exe Token: SeRemoteShutdownPrivilege 2700 powershell.exe Token: SeUndockPrivilege 2700 powershell.exe Token: SeManageVolumePrivilege 2700 powershell.exe Token: 33 2700 powershell.exe Token: 34 2700 powershell.exe Token: 35 2700 powershell.exe Token: 36 2700 powershell.exe Token: SeDebugPrivilege 3512 powershell.exe Token: SeIncreaseQuotaPrivilege 3512 powershell.exe Token: SeSecurityPrivilege 3512 powershell.exe Token: SeTakeOwnershipPrivilege 3512 powershell.exe Token: SeLoadDriverPrivilege 3512 powershell.exe Token: SeSystemProfilePrivilege 3512 powershell.exe Token: SeSystemtimePrivilege 3512 powershell.exe Token: SeProfSingleProcessPrivilege 3512 powershell.exe Token: SeIncBasePriorityPrivilege 3512 powershell.exe Token: SeCreatePagefilePrivilege 3512 powershell.exe Token: SeBackupPrivilege 3512 powershell.exe Token: SeRestorePrivilege 3512 powershell.exe Token: SeShutdownPrivilege 3512 powershell.exe Token: SeDebugPrivilege 3512 powershell.exe Token: SeSystemEnvironmentPrivilege 3512 powershell.exe Token: SeRemoteShutdownPrivilege 3512 powershell.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
injectdll.exeloaderr.exepid Process 816 injectdll.exe 5080 loaderr.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
Loader V2.exeLoader.exeloaderr.exeinjectdll.exedescription pid Process procid_target PID 4672 wrote to memory of 4088 4672 Loader V2.exe 73 PID 4672 wrote to memory of 4088 4672 Loader V2.exe 73 PID 4672 wrote to memory of 816 4672 Loader V2.exe 74 PID 4672 wrote to memory of 816 4672 Loader V2.exe 74 PID 4088 wrote to memory of 5080 4088 Loader.exe 75 PID 4088 wrote to memory of 5080 4088 Loader.exe 75 PID 4088 wrote to memory of 1980 4088 Loader.exe 76 PID 4088 wrote to memory of 1980 4088 Loader.exe 76 PID 5080 wrote to memory of 2924 5080 loaderr.exe 78 PID 5080 wrote to memory of 2924 5080 loaderr.exe 78 PID 816 wrote to memory of 4624 816 injectdll.exe 80 PID 816 wrote to memory of 4624 816 injectdll.exe 80 PID 5080 wrote to memory of 2700 5080 loaderr.exe 83 PID 5080 wrote to memory of 2700 5080 loaderr.exe 83 PID 5080 wrote to memory of 3512 5080 loaderr.exe 85 PID 5080 wrote to memory of 3512 5080 loaderr.exe 85 PID 5080 wrote to memory of 1248 5080 loaderr.exe 87 PID 5080 wrote to memory of 1248 5080 loaderr.exe 87 PID 5080 wrote to memory of 4256 5080 loaderr.exe 90 PID 5080 wrote to memory of 4256 5080 loaderr.exe 90 -
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:4672 -
C:\Users\Admin\AppData\Roaming\Loader.exe"C:\Users\Admin\AppData\Roaming\Loader.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4088 -
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:5080 -
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:2924
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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:2700
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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:3512
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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:1248
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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:4256
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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:1980
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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:816 -
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:4624
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C:\Users\Admin\AppData\Local\svchost.exeC:\Users\Admin\AppData\Local\svchost.exe1⤵
- Executes dropped EXE
PID:1984
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C:\Users\Admin\AppData\Roaming\svhost.exeC:\Users\Admin\AppData\Roaming\svhost.exe1⤵
- Executes dropped EXE
PID:2420
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C:\Users\Admin\AppData\Local\svchost.exeC:\Users\Admin\AppData\Local\svchost.exe1⤵
- Executes dropped EXE
PID:1896
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C:\Users\Admin\AppData\Roaming\svhost.exeC:\Users\Admin\AppData\Roaming\svhost.exe1⤵
- Executes dropped EXE
PID:488
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
754B
MD5dd275ac2cea11002ede1e35edd4292e3
SHA1020333106a32d749e436abb714bd66ee152bfc72
SHA2561e3e295686dfc345293ee45b7db3d1177af024a86be111944ced76707d1f8d7e
SHA5129c204eee8af182131929c71b64c63cd099cf5c8a9e6b6862573a6a06ef7cb7c148d684ba1b50a84d1faa9078c05072f811f91a6dafb1ea52be8680e94a7af359
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Filesize
3KB
MD5ad5cd538ca58cb28ede39c108acb5785
SHA11ae910026f3dbe90ed025e9e96ead2b5399be877
SHA256c9e6cb04d6c893458d5a7e12eb575cf97c3172f5e312b1f63a667cbbc5f0c033
SHA512c066c5d9b276a68fa636647bb29aea05bfa2292217bc77f5324d9c1d93117772ee8277e1f7cff91ec8d6b7c05ca078f929cecfdbb09582522a9067f54740af13
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Filesize
654B
MD516c5fce5f7230eea11598ec11ed42862
SHA175392d4824706090f5e8907eee1059349c927600
SHA25687ba77c13905298acbac72be90949c4fe0755b6eff9777615aa37f252515f151
SHA512153edd6da59beea6cc411ed7383c32916425d6ebb65f04c65aab7c1d6b25443d143aa8449aa92149de0ad8a975f6ecaa60f9f7574536eec6b38fe5fd3a6c6adc
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Filesize
1KB
MD587ec7e8a59f7f1d388b31597aedf0a5e
SHA158f0fc538de4eb452aea90ccd083ec711d89d49c
SHA25628538c7f5929d17f9e85b43af7671288a0286fcfbdd0194f61e82a0eda081a98
SHA512eb3e0776903601040f1058f6915412f1d8292874d9b4a6a8e64962d311ad7488cd1dd6b6ce3776d24dc04cb631a9d675c27a329764a53b60e57502d6298c981b
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Filesize
1KB
MD52cb84936cc11997bcb7993a7d80d6de9
SHA11dd9789509b551f66d72fbae62e896c028be2cc4
SHA256dc9dc28d64d26d91dd81250dc88b905d64d7c5bb4b923d0bd7fca3a788d989f9
SHA51271921c6377c770ef0a71b833d1822111e68f52b43f29b2e1490ddc944180b37333969cb6f18398b38fc79fb5b7ccb88749230d76fee0adce68eb1c616e273e5c
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Filesize
1KB
MD5e1ea9bc00a990a68122263fbef2d28f8
SHA19fd209506c5c504ba22e7064169f50b0a7779dbb
SHA256d38777655e300670dcdeb4da29538114a7be6b3434a843da1a3f7da13b8f07da
SHA5126ee84033c5406c86c599b90d114b9b62d9be09349bc2dbd45c57af28f4bc688add36051fcbb3aea9b91e92dd6b0a5bf6f3f19c39bbd9c0affe4517868012caaf
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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