Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
03-08-2024 19:25
Static task
static1
Behavioral task
behavioral1
Sample
Loader V2.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
Loader V2.exe
Resource
win7-20240729-en
Behavioral task
behavioral3
Sample
Loader V2.exe
Resource
win10v2004-20240802-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 behavioral1/files/0x000800000001ac25-11.dat family_xworm behavioral1/memory/1240-13-0x0000000000A60000-0x0000000000AA2000-memory.dmp family_xworm behavioral1/files/0x000700000001ac29-20.dat family_xworm behavioral1/memory/1616-29-0x00000000000F0000-0x0000000000106000-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 2916 powershell.exe 628 powershell.exe 2940 powershell.exe 4152 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 3456 Loader.exe 1240 injectdll.exe 1616 loaderr.exe 4068 fixer.exe 1360 svchost.exe 3788 svhost.exe 1352 svchost.exe 4968 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 168 schtasks.exe 1144 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
Processes:
fixer.exepowershell.exeinjectdll.exepowershell.exepowershell.exepowershell.exeloaderr.exepid Process 4068 fixer.exe 4068 fixer.exe 4068 fixer.exe 4068 fixer.exe 2916 powershell.exe 2916 powershell.exe 1240 injectdll.exe 2916 powershell.exe 628 powershell.exe 628 powershell.exe 628 powershell.exe 2940 powershell.exe 2940 powershell.exe 2940 powershell.exe 4152 powershell.exe 4152 powershell.exe 4152 powershell.exe 1616 loaderr.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
injectdll.exeloaderr.exefixer.exepowershell.exepowershell.exepowershell.exedescription pid Process Token: SeDebugPrivilege 1240 injectdll.exe Token: SeDebugPrivilege 1616 loaderr.exe Token: SeDebugPrivilege 4068 fixer.exe Token: SeDebugPrivilege 2916 powershell.exe Token: SeDebugPrivilege 1240 injectdll.exe Token: SeIncreaseQuotaPrivilege 2916 powershell.exe Token: SeSecurityPrivilege 2916 powershell.exe Token: SeTakeOwnershipPrivilege 2916 powershell.exe Token: SeLoadDriverPrivilege 2916 powershell.exe Token: SeSystemProfilePrivilege 2916 powershell.exe Token: SeSystemtimePrivilege 2916 powershell.exe Token: SeProfSingleProcessPrivilege 2916 powershell.exe Token: SeIncBasePriorityPrivilege 2916 powershell.exe Token: SeCreatePagefilePrivilege 2916 powershell.exe Token: SeBackupPrivilege 2916 powershell.exe Token: SeRestorePrivilege 2916 powershell.exe Token: SeShutdownPrivilege 2916 powershell.exe Token: SeDebugPrivilege 2916 powershell.exe Token: SeSystemEnvironmentPrivilege 2916 powershell.exe Token: SeRemoteShutdownPrivilege 2916 powershell.exe Token: SeUndockPrivilege 2916 powershell.exe Token: SeManageVolumePrivilege 2916 powershell.exe Token: 33 2916 powershell.exe Token: 34 2916 powershell.exe Token: 35 2916 powershell.exe Token: 36 2916 powershell.exe Token: SeDebugPrivilege 628 powershell.exe Token: SeIncreaseQuotaPrivilege 628 powershell.exe Token: SeSecurityPrivilege 628 powershell.exe Token: SeTakeOwnershipPrivilege 628 powershell.exe Token: SeLoadDriverPrivilege 628 powershell.exe Token: SeSystemProfilePrivilege 628 powershell.exe Token: SeSystemtimePrivilege 628 powershell.exe Token: SeProfSingleProcessPrivilege 628 powershell.exe Token: SeIncBasePriorityPrivilege 628 powershell.exe Token: SeCreatePagefilePrivilege 628 powershell.exe Token: SeBackupPrivilege 628 powershell.exe Token: SeRestorePrivilege 628 powershell.exe Token: SeShutdownPrivilege 628 powershell.exe Token: SeDebugPrivilege 628 powershell.exe Token: SeSystemEnvironmentPrivilege 628 powershell.exe Token: SeRemoteShutdownPrivilege 628 powershell.exe Token: SeUndockPrivilege 628 powershell.exe Token: SeManageVolumePrivilege 628 powershell.exe Token: 33 628 powershell.exe Token: 34 628 powershell.exe Token: 35 628 powershell.exe Token: 36 628 powershell.exe Token: SeDebugPrivilege 2940 powershell.exe Token: SeIncreaseQuotaPrivilege 2940 powershell.exe Token: SeSecurityPrivilege 2940 powershell.exe Token: SeTakeOwnershipPrivilege 2940 powershell.exe Token: SeLoadDriverPrivilege 2940 powershell.exe Token: SeSystemProfilePrivilege 2940 powershell.exe Token: SeSystemtimePrivilege 2940 powershell.exe Token: SeProfSingleProcessPrivilege 2940 powershell.exe Token: SeIncBasePriorityPrivilege 2940 powershell.exe Token: SeCreatePagefilePrivilege 2940 powershell.exe Token: SeBackupPrivilege 2940 powershell.exe Token: SeRestorePrivilege 2940 powershell.exe Token: SeShutdownPrivilege 2940 powershell.exe Token: SeDebugPrivilege 2940 powershell.exe Token: SeSystemEnvironmentPrivilege 2940 powershell.exe Token: SeRemoteShutdownPrivilege 2940 powershell.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
injectdll.exeloaderr.exepid Process 1240 injectdll.exe 1616 loaderr.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
Loader V2.exeLoader.exeinjectdll.exeloaderr.exedescription pid Process procid_target PID 2360 wrote to memory of 3456 2360 Loader V2.exe 73 PID 2360 wrote to memory of 3456 2360 Loader V2.exe 73 PID 2360 wrote to memory of 1240 2360 Loader V2.exe 74 PID 2360 wrote to memory of 1240 2360 Loader V2.exe 74 PID 3456 wrote to memory of 1616 3456 Loader.exe 75 PID 3456 wrote to memory of 1616 3456 Loader.exe 75 PID 3456 wrote to memory of 4068 3456 Loader.exe 76 PID 3456 wrote to memory of 4068 3456 Loader.exe 76 PID 1240 wrote to memory of 168 1240 injectdll.exe 78 PID 1240 wrote to memory of 168 1240 injectdll.exe 78 PID 1616 wrote to memory of 2916 1616 loaderr.exe 80 PID 1616 wrote to memory of 2916 1616 loaderr.exe 80 PID 1616 wrote to memory of 628 1616 loaderr.exe 83 PID 1616 wrote to memory of 628 1616 loaderr.exe 83 PID 1616 wrote to memory of 2940 1616 loaderr.exe 85 PID 1616 wrote to memory of 2940 1616 loaderr.exe 85 PID 1616 wrote to memory of 4152 1616 loaderr.exe 87 PID 1616 wrote to memory of 4152 1616 loaderr.exe 87 PID 1616 wrote to memory of 1144 1616 loaderr.exe 90 PID 1616 wrote to memory of 1144 1616 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:2360 -
C:\Users\Admin\AppData\Roaming\Loader.exe"C:\Users\Admin\AppData\Roaming\Loader.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3456 -
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:1616 -
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:2916
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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:628
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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:2940
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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:4152
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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:1144
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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:4068
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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:1240 -
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:168
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C:\Users\Admin\AppData\Local\svchost.exeC:\Users\Admin\AppData\Local\svchost.exe1⤵
- Executes dropped EXE
PID:1360
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C:\Users\Admin\AppData\Roaming\svhost.exeC:\Users\Admin\AppData\Roaming\svhost.exe1⤵
- Executes dropped EXE
PID:3788
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C:\Users\Admin\AppData\Local\svchost.exeC:\Users\Admin\AppData\Local\svchost.exe1⤵
- Executes dropped EXE
PID:1352
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C:\Users\Admin\AppData\Roaming\svhost.exeC:\Users\Admin\AppData\Roaming\svhost.exe1⤵
- Executes dropped EXE
PID:4968
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
MD5f914fdacc7dbbb32d8233e0f0b4e3681
SHA15428b84072c96f26911aa1e73bd86078b9369a06
SHA25602f985148be199f775c45968154bb1f39f61d213c0997df2112c3e3414a93e06
SHA5126076c617fba93a041e060305640b719b30cd79524be5b380710e4b3bf2d94c47b14bd50784e67f7836b9efde220026d3983db504784ed16831bcbb8cf6d8a2f8
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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
MD5301498b03265ecea590535ebe65a9aba
SHA151c361bf76724e3f6c7fc641d5c69b28e01d2368
SHA256ea47141164ded6dc137465be0554bd9bd13f9c17db9b5ac9e0bbc4cd287cd4ea
SHA512e7bad6c887851a2dc1c5716ebedec1d084b99a2bbe0919a88856c92ba284949452a339d31ed215288550cab1128f6eb96fcbbeb04e024ee702e0617d2f92deba
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Filesize
1KB
MD5a3e6615001f3647c55e3af5db44c0597
SHA11c88aaff9dc4de42ec63a6d16ef9f662c2bbbc9c
SHA2562e86275c18d6e0de257a551d2fc88114d10ced7247e05e921112ad6397022e49
SHA512e29dca878c47aea42ff6b7393f4877e9e98ec85cc8d286ee495cda06cfb10177fd0ec8d52925ac92fa409dcd187d084fbe3f0b2ab803370620de60ac4919ce6d
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Filesize
1KB
MD50639f0efb4cc8e75789238b57473d0bf
SHA1b705a2f7b23076fb576b925805a0304cf1c98e79
SHA256b347844a922e18dcb943cfc8f806fa60f800b5661e62ac473d94f29b30ab9d4b
SHA51226c1c8d744cc2f3120344575c5f95c06ffd867b8ff9e2254857baf467ae9a90f2db394a8908340aa95608342808cd9d415550c9b7fe0899c9db2c350ddda9b0b
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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