Analysis
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max time kernel
149s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
02-08-2024 11:15
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 8 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\injectdll.exe family_xworm behavioral1/memory/2476-12-0x0000000000180000-0x00000000001C2000-memory.dmp family_xworm C:\Users\Admin\AppData\Local\Temp\loaderr.exe family_xworm behavioral1/memory/1872-27-0x0000000000070000-0x0000000000086000-memory.dmp family_xworm behavioral1/memory/1692-133-0x0000000000B30000-0x0000000000B46000-memory.dmp family_xworm behavioral1/memory/2080-132-0x0000000000A20000-0x0000000000A62000-memory.dmp family_xworm behavioral1/memory/3048-138-0x00000000012E0000-0x0000000001322000-memory.dmp family_xworm behavioral1/memory/2856-139-0x0000000000F50000-0x0000000000F66000-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 1740 powershell.exe 2124 powershell.exe 1764 powershell.exe 948 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.exesvhost.exesvchost.exesvchost.exesvhost.exepid process 1120 Loader.exe 2476 injectdll.exe 1872 loaderr.exe 2676 fixer.exe 2080 svhost.exe 1692 svchost.exe 2856 svchost.exe 3048 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-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\svhost = "C:\\Users\\Admin\\AppData\\Roaming\\svhost.exe" injectdll.exe Set value (str) \REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Local\\svchost.exe" loaderr.exe -
Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 freegeoip.app 5 freegeoip.app 10 ip-api.com 11 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 2112 schtasks.exe 1804 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
fixer.exepowershell.exepowershell.exepowershell.exepowershell.exeinjectdll.exeloaderr.exepid process 2676 fixer.exe 2676 fixer.exe 2676 fixer.exe 2676 fixer.exe 2124 powershell.exe 1764 powershell.exe 948 powershell.exe 1740 powershell.exe 2476 injectdll.exe 1872 loaderr.exe -
Suspicious use of AdjustPrivilegeToken 13 IoCs
Processes:
injectdll.exeloaderr.exefixer.exepowershell.exepowershell.exepowershell.exepowershell.exesvchost.exesvhost.exesvhost.exesvchost.exedescription pid process Token: SeDebugPrivilege 2476 injectdll.exe Token: SeDebugPrivilege 1872 loaderr.exe Token: SeDebugPrivilege 2676 fixer.exe Token: SeDebugPrivilege 2124 powershell.exe Token: SeDebugPrivilege 1764 powershell.exe Token: SeDebugPrivilege 948 powershell.exe Token: SeDebugPrivilege 1740 powershell.exe Token: SeDebugPrivilege 2476 injectdll.exe Token: SeDebugPrivilege 1872 loaderr.exe Token: SeDebugPrivilege 1692 svchost.exe Token: SeDebugPrivilege 2080 svhost.exe Token: SeDebugPrivilege 3048 svhost.exe Token: SeDebugPrivilege 2856 svchost.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
injectdll.exeloaderr.exepid process 2476 injectdll.exe 1872 loaderr.exe -
Suspicious use of WriteProcessMemory 42 IoCs
Processes:
Loader V2.exeLoader.exeloaderr.exeinjectdll.exetaskeng.exedescription pid process target process PID 484 wrote to memory of 1120 484 Loader V2.exe Loader.exe PID 484 wrote to memory of 1120 484 Loader V2.exe Loader.exe PID 484 wrote to memory of 1120 484 Loader V2.exe Loader.exe PID 484 wrote to memory of 2476 484 Loader V2.exe injectdll.exe PID 484 wrote to memory of 2476 484 Loader V2.exe injectdll.exe PID 484 wrote to memory of 2476 484 Loader V2.exe injectdll.exe PID 1120 wrote to memory of 1872 1120 Loader.exe loaderr.exe PID 1120 wrote to memory of 1872 1120 Loader.exe loaderr.exe PID 1120 wrote to memory of 1872 1120 Loader.exe loaderr.exe PID 1120 wrote to memory of 2676 1120 Loader.exe fixer.exe PID 1120 wrote to memory of 2676 1120 Loader.exe fixer.exe PID 1120 wrote to memory of 2676 1120 Loader.exe fixer.exe PID 1872 wrote to memory of 2124 1872 loaderr.exe powershell.exe PID 1872 wrote to memory of 2124 1872 loaderr.exe powershell.exe PID 1872 wrote to memory of 2124 1872 loaderr.exe powershell.exe PID 1872 wrote to memory of 1764 1872 loaderr.exe powershell.exe PID 1872 wrote to memory of 1764 1872 loaderr.exe powershell.exe PID 1872 wrote to memory of 1764 1872 loaderr.exe powershell.exe PID 1872 wrote to memory of 948 1872 loaderr.exe powershell.exe PID 1872 wrote to memory of 948 1872 loaderr.exe powershell.exe PID 1872 wrote to memory of 948 1872 loaderr.exe powershell.exe PID 1872 wrote to memory of 1740 1872 loaderr.exe powershell.exe PID 1872 wrote to memory of 1740 1872 loaderr.exe powershell.exe PID 1872 wrote to memory of 1740 1872 loaderr.exe powershell.exe PID 2476 wrote to memory of 2112 2476 injectdll.exe schtasks.exe PID 2476 wrote to memory of 2112 2476 injectdll.exe schtasks.exe PID 2476 wrote to memory of 2112 2476 injectdll.exe schtasks.exe PID 1872 wrote to memory of 1804 1872 loaderr.exe schtasks.exe PID 1872 wrote to memory of 1804 1872 loaderr.exe schtasks.exe PID 1872 wrote to memory of 1804 1872 loaderr.exe schtasks.exe PID 2760 wrote to memory of 1692 2760 taskeng.exe svchost.exe PID 2760 wrote to memory of 1692 2760 taskeng.exe svchost.exe PID 2760 wrote to memory of 1692 2760 taskeng.exe svchost.exe PID 2760 wrote to memory of 2080 2760 taskeng.exe svhost.exe PID 2760 wrote to memory of 2080 2760 taskeng.exe svhost.exe PID 2760 wrote to memory of 2080 2760 taskeng.exe svhost.exe PID 2760 wrote to memory of 2856 2760 taskeng.exe svchost.exe PID 2760 wrote to memory of 2856 2760 taskeng.exe svchost.exe PID 2760 wrote to memory of 2856 2760 taskeng.exe svchost.exe PID 2760 wrote to memory of 3048 2760 taskeng.exe svhost.exe PID 2760 wrote to memory of 3048 2760 taskeng.exe svhost.exe PID 2760 wrote to memory of 3048 2760 taskeng.exe svhost.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:484 -
C:\Users\Admin\AppData\Roaming\Loader.exe"C:\Users\Admin\AppData\Roaming\Loader.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1120 -
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:1872 -
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:2124
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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:1764
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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:948
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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
- Suspicious use of AdjustPrivilegeToken
PID:1740
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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:1804
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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:2676
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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:2476 -
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:2112
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C:\Windows\system32\taskeng.exetaskeng.exe {3945AD9D-D46E-44D3-ADE6-E14407D5D0A9} S-1-5-21-3502430532-24693940-2469786940-1000:PSBQWFYT\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:2760 -
C:\Users\Admin\AppData\Local\svchost.exeC:\Users\Admin\AppData\Local\svchost.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1692
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C:\Users\Admin\AppData\Roaming\svhost.exeC:\Users\Admin\AppData\Roaming\svhost.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2080
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C:\Users\Admin\AppData\Local\svchost.exeC:\Users\Admin\AppData\Local\svchost.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2856
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C:\Users\Admin\AppData\Roaming\svhost.exeC:\Users\Admin\AppData\Roaming\svhost.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3048
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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
132B
MD58e8927be1ae6820b5ae37c3d427638f9
SHA199f1f869b0f17ef8254f6dc3958a886308f6a648
SHA25654ff84aa165b7c8da6ba5c018712e58f24be6b1c4a348710f0ec7ba97b9f3f79
SHA5121543d628c138d49c54da9b1cef38b9dc5ead806229a0234d4957ed352c90e839e2a82ea53dbfe81376274ee3397eafb2e104e96d16732df6cb013c622063d0db
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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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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\JB97OURWNBZV0EVJ7SIJ.temp
Filesize7KB
MD5f67aa79ad0396c4ca15f3ac32090cebd
SHA1a5057034950577859f7c0eef95209c4e385bc810
SHA256c0eade1223d77e2b4cc03f9be90f7f2b4d2bb045f77b9b74fdb7d4d1d3b6c7fc
SHA512a309a963f60b6a8e04dfc7b03807f8818ba72dae0beff75d262b1872e7d2c2cd34b90db68c3d3db037175c842f95d9edf54932bcf9a90e13a44f0a94e99f15d2
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Filesize
244KB
MD574ffb0d60d647dd6ad8d00c1bee48011
SHA14c8a707a33b35b78f374c66d59f9c2314c20b25f
SHA256b481f1e0cfe25e5f19da0a0333c78661bf5c75c0b1c616ff4aaaa07aed31efd1
SHA512fc667f4560d6b19a9a4f37eb0e66c751eb348ffc0db69c7d0bd733dfd2df2dfdadc7b780cd93686350444cc14a54283bafe3afec611bcac3ad0239eda659f46c