Analysis
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max time kernel
150s -
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
win7-20240705-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/3272-14-0x0000000000030000-0x0000000000072000-memory.dmp family_xworm C:\Users\Admin\AppData\Local\Temp\loaderr.exe family_xworm behavioral2/memory/4880-30-0x0000000000B60000-0x0000000000B76000-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 2628 powershell.exe 4260 powershell.exe 4188 powershell.exe 4372 powershell.exe -
Drops startup file 4 IoCs
Processes:
loaderr.exeinjectdll.exedescription ioc process 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 File created 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 3428 Loader.exe 3272 injectdll.exe 4880 loaderr.exe 4564 fixer.exe 632 svchost.exe 1076 svhost.exe 4480 svchost.exe 2252 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-1-5-21-3968772205-1713802336-1776639840-1000\Software\Microsoft\Windows\CurrentVersion\Run\svhost = "C:\\Users\\Admin\\AppData\\Roaming\\svhost.exe" injectdll.exe Set value (str) \REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000\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 2840 schtasks.exe 2148 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
Processes:
fixer.exepowershell.exeinjectdll.exepowershell.exepowershell.exepowershell.exeloaderr.exepid process 4564 fixer.exe 4564 fixer.exe 4564 fixer.exe 4564 fixer.exe 4188 powershell.exe 4188 powershell.exe 4188 powershell.exe 3272 injectdll.exe 4372 powershell.exe 4372 powershell.exe 4372 powershell.exe 2628 powershell.exe 2628 powershell.exe 2628 powershell.exe 4260 powershell.exe 4260 powershell.exe 4260 powershell.exe 4880 loaderr.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
injectdll.exeloaderr.exefixer.exepowershell.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 3272 injectdll.exe Token: SeDebugPrivilege 4880 loaderr.exe Token: SeDebugPrivilege 4564 fixer.exe Token: SeDebugPrivilege 4188 powershell.exe Token: SeDebugPrivilege 3272 injectdll.exe Token: SeIncreaseQuotaPrivilege 4188 powershell.exe Token: SeSecurityPrivilege 4188 powershell.exe Token: SeTakeOwnershipPrivilege 4188 powershell.exe Token: SeLoadDriverPrivilege 4188 powershell.exe Token: SeSystemProfilePrivilege 4188 powershell.exe Token: SeSystemtimePrivilege 4188 powershell.exe Token: SeProfSingleProcessPrivilege 4188 powershell.exe Token: SeIncBasePriorityPrivilege 4188 powershell.exe Token: SeCreatePagefilePrivilege 4188 powershell.exe Token: SeBackupPrivilege 4188 powershell.exe Token: SeRestorePrivilege 4188 powershell.exe Token: SeShutdownPrivilege 4188 powershell.exe Token: SeDebugPrivilege 4188 powershell.exe Token: SeSystemEnvironmentPrivilege 4188 powershell.exe Token: SeRemoteShutdownPrivilege 4188 powershell.exe Token: SeUndockPrivilege 4188 powershell.exe Token: SeManageVolumePrivilege 4188 powershell.exe Token: 33 4188 powershell.exe Token: 34 4188 powershell.exe Token: 35 4188 powershell.exe Token: 36 4188 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 2628 powershell.exe Token: SeIncreaseQuotaPrivilege 2628 powershell.exe Token: SeSecurityPrivilege 2628 powershell.exe Token: SeTakeOwnershipPrivilege 2628 powershell.exe Token: SeLoadDriverPrivilege 2628 powershell.exe Token: SeSystemProfilePrivilege 2628 powershell.exe Token: SeSystemtimePrivilege 2628 powershell.exe Token: SeProfSingleProcessPrivilege 2628 powershell.exe Token: SeIncBasePriorityPrivilege 2628 powershell.exe Token: SeCreatePagefilePrivilege 2628 powershell.exe Token: SeBackupPrivilege 2628 powershell.exe Token: SeRestorePrivilege 2628 powershell.exe Token: SeShutdownPrivilege 2628 powershell.exe Token: SeDebugPrivilege 2628 powershell.exe Token: SeSystemEnvironmentPrivilege 2628 powershell.exe Token: SeRemoteShutdownPrivilege 2628 powershell.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
injectdll.exeloaderr.exepid process 3272 injectdll.exe 4880 loaderr.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
Loader V2.exeLoader.exeloaderr.exeinjectdll.exedescription pid process target process PID 4864 wrote to memory of 3428 4864 Loader V2.exe Loader.exe PID 4864 wrote to memory of 3428 4864 Loader V2.exe Loader.exe PID 4864 wrote to memory of 3272 4864 Loader V2.exe injectdll.exe PID 4864 wrote to memory of 3272 4864 Loader V2.exe injectdll.exe PID 3428 wrote to memory of 4880 3428 Loader.exe loaderr.exe PID 3428 wrote to memory of 4880 3428 Loader.exe loaderr.exe PID 3428 wrote to memory of 4564 3428 Loader.exe fixer.exe PID 3428 wrote to memory of 4564 3428 Loader.exe fixer.exe PID 4880 wrote to memory of 4188 4880 loaderr.exe powershell.exe PID 4880 wrote to memory of 4188 4880 loaderr.exe powershell.exe PID 3272 wrote to memory of 2840 3272 injectdll.exe schtasks.exe PID 3272 wrote to memory of 2840 3272 injectdll.exe schtasks.exe PID 4880 wrote to memory of 4372 4880 loaderr.exe powershell.exe PID 4880 wrote to memory of 4372 4880 loaderr.exe powershell.exe PID 4880 wrote to memory of 2628 4880 loaderr.exe powershell.exe PID 4880 wrote to memory of 2628 4880 loaderr.exe powershell.exe PID 4880 wrote to memory of 4260 4880 loaderr.exe powershell.exe PID 4880 wrote to memory of 4260 4880 loaderr.exe powershell.exe PID 4880 wrote to memory of 2148 4880 loaderr.exe schtasks.exe PID 4880 wrote to memory of 2148 4880 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:4864 -
C:\Users\Admin\AppData\Roaming\Loader.exe"C:\Users\Admin\AppData\Roaming\Loader.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3428 -
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:4880 -
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:4188
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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:2628
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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:4260
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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:2148
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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:4564
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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:3272 -
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:2840
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C:\Users\Admin\AppData\Local\svchost.exeC:\Users\Admin\AppData\Local\svchost.exe1⤵
- Executes dropped EXE
PID:632
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C:\Users\Admin\AppData\Roaming\svhost.exeC:\Users\Admin\AppData\Roaming\svhost.exe1⤵
- Executes dropped EXE
PID:1076
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C:\Users\Admin\AppData\Local\svchost.exeC:\Users\Admin\AppData\Local\svchost.exe1⤵
- Executes dropped EXE
PID:4480
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C:\Users\Admin\AppData\Roaming\svhost.exeC:\Users\Admin\AppData\Roaming\svhost.exe1⤵
- Executes dropped EXE
PID:2252
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
711B
MD5adce54a69ab83f788cc4ba5011d5d529
SHA1610c3e1d87c6439230ba67ccbced5338ddc353b5
SHA2561610076a3055734f41d5186fc8f68d7221cc8cc12e8de3e31908fc58f63611d2
SHA51224c0da383beb7aa6e7fd9e83e8c8a002ec5755bcba7ed281c4b9acab8996f6e4c8572d8e492239237e6fc8b84ef8e9881d0c8e6bb11ff2f7684e67fd54bff406
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Filesize
1KB
MD5f0b7f1a91820921304b53ce64268e80e
SHA1e929a389ebba1e9fc949091b81945aa90ef10028
SHA25650bd1580431d3767fd93b769a87a687e953454be06000312c53a4f726193fc93
SHA512a69b6dbeef2f5390e3ce23bfd01dfe5ce9827ad61dbdd16f908c0f051f799f223a1573cddce764ca56e8c083de75459c7b3d4e9b58295fb54245b1f2d52af62c
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Filesize
696B
MD5eee4b5a0cc7feba35fe5a31722c3a4c2
SHA10b89e08569cf964b03b2270e8f586e517fc7456a
SHA256f8298b16ba3ba3ce10247d5da3e739e6d8f87963236a35d2f42caf3556f5f267
SHA51211b4dd9f7d8029ec49d6a70e4aac537053612b4194cf6bd5efb2949e08595faa4d3264dfd7fb635eab3906fa823b7ab63c02cf38ea906e48f32c185b8aacf77d
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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
MD575fb32838782e16fb5c814c30e277e69
SHA18512a3c22b51dbb5fc2a77c775e2e2cbbe0df934
SHA256333b5df4e2e5e32327dc82dca1b7e3c54466f7e0240e624c0a6d8375edbc7289
SHA512a2febf8c40ad86df8fe1ea3b99619d765b05b5e59e7619bcd6273ddd405feb06e8e09252e959cd0f713af4ca74cdde850c17c0166b362dc5b4369159c5ee0743
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Filesize
1KB
MD560d6b831641175ae60a1c016d0ca5963
SHA1856ec3190c65732f34aa6b6cec21af5a88ec03be
SHA256284bd8c2e0a896d2bc9b001b91d7c66fe339ccd33891c879f96411e12fd8411b
SHA512aadb55fa0442f0bb54dfecf485f958950614d2c12947d8f85a32a23325d7458c8b80f9d74a6bf19f060a95852c845b2548047c1495543f2182ee61579997ab25
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Filesize
1KB
MD59486e5f06cfaadfab59c4b9ea1b4cba4
SHA1be3f01b101c458209c5cb4e9b0e31b0ac68af02e
SHA256bc60c27de499c6e93baba3cd747e8608ef84c7ae7cb455cb565b4f3287b26051
SHA51243e2678d8122107e2c6b47489d58400f1041266681e8b2bc2b5e98cf742a8d6f28225357f79a16c06dc62e6c92cb78645bf81f7dfd54a058ba9c4733fc2fe001
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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