Analysis
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max time kernel
145s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-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 7 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\injectdll.exe family_xworm behavioral1/memory/2416-13-0x0000000000060000-0x00000000000A2000-memory.dmp family_xworm C:\Users\Admin\AppData\Local\Temp\loaderr.exe family_xworm behavioral1/memory/2648-31-0x0000000000090000-0x00000000000A6000-memory.dmp family_xworm behavioral1/memory/1032-131-0x0000000001300000-0x0000000001316000-memory.dmp family_xworm behavioral1/memory/2972-133-0x0000000001060000-0x00000000010A2000-memory.dmp family_xworm behavioral1/memory/2832-138-0x00000000003A0000-0x00000000003B6000-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 1316 powershell.exe 1284 powershell.exe 848 powershell.exe 3016 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.exesvhost.exesvchost.exepid process 2436 Loader.exe 2416 injectdll.exe 2648 loaderr.exe 2652 fixer.exe 1032 svchost.exe 2972 svhost.exe 2164 svhost.exe 2832 svchost.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 2092 schtasks.exe 2292 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
fixer.exepowershell.exepowershell.exepowershell.exepowershell.exeinjectdll.exeloaderr.exepid process 2652 fixer.exe 2652 fixer.exe 2652 fixer.exe 2652 fixer.exe 1316 powershell.exe 1284 powershell.exe 848 powershell.exe 3016 powershell.exe 2416 injectdll.exe 2648 loaderr.exe -
Suspicious use of AdjustPrivilegeToken 13 IoCs
Processes:
injectdll.exeloaderr.exefixer.exepowershell.exepowershell.exepowershell.exepowershell.exesvchost.exesvhost.exesvchost.exesvhost.exedescription pid process Token: SeDebugPrivilege 2416 injectdll.exe Token: SeDebugPrivilege 2648 loaderr.exe Token: SeDebugPrivilege 2652 fixer.exe Token: SeDebugPrivilege 1316 powershell.exe Token: SeDebugPrivilege 1284 powershell.exe Token: SeDebugPrivilege 848 powershell.exe Token: SeDebugPrivilege 3016 powershell.exe Token: SeDebugPrivilege 2416 injectdll.exe Token: SeDebugPrivilege 2648 loaderr.exe Token: SeDebugPrivilege 1032 svchost.exe Token: SeDebugPrivilege 2972 svhost.exe Token: SeDebugPrivilege 2832 svchost.exe Token: SeDebugPrivilege 2164 svhost.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
injectdll.exeloaderr.exepid process 2416 injectdll.exe 2648 loaderr.exe -
Suspicious use of WriteProcessMemory 42 IoCs
Processes:
Loader V2.exeLoader.exeloaderr.exeinjectdll.exetaskeng.exedescription pid process target process PID 2028 wrote to memory of 2436 2028 Loader V2.exe Loader.exe PID 2028 wrote to memory of 2436 2028 Loader V2.exe Loader.exe PID 2028 wrote to memory of 2436 2028 Loader V2.exe Loader.exe PID 2028 wrote to memory of 2416 2028 Loader V2.exe injectdll.exe PID 2028 wrote to memory of 2416 2028 Loader V2.exe injectdll.exe PID 2028 wrote to memory of 2416 2028 Loader V2.exe injectdll.exe PID 2436 wrote to memory of 2648 2436 Loader.exe loaderr.exe PID 2436 wrote to memory of 2648 2436 Loader.exe loaderr.exe PID 2436 wrote to memory of 2648 2436 Loader.exe loaderr.exe PID 2436 wrote to memory of 2652 2436 Loader.exe fixer.exe PID 2436 wrote to memory of 2652 2436 Loader.exe fixer.exe PID 2436 wrote to memory of 2652 2436 Loader.exe fixer.exe PID 2648 wrote to memory of 1316 2648 loaderr.exe powershell.exe PID 2648 wrote to memory of 1316 2648 loaderr.exe powershell.exe PID 2648 wrote to memory of 1316 2648 loaderr.exe powershell.exe PID 2648 wrote to memory of 1284 2648 loaderr.exe powershell.exe PID 2648 wrote to memory of 1284 2648 loaderr.exe powershell.exe PID 2648 wrote to memory of 1284 2648 loaderr.exe powershell.exe PID 2648 wrote to memory of 848 2648 loaderr.exe powershell.exe PID 2648 wrote to memory of 848 2648 loaderr.exe powershell.exe PID 2648 wrote to memory of 848 2648 loaderr.exe powershell.exe PID 2648 wrote to memory of 3016 2648 loaderr.exe powershell.exe PID 2648 wrote to memory of 3016 2648 loaderr.exe powershell.exe PID 2648 wrote to memory of 3016 2648 loaderr.exe powershell.exe PID 2416 wrote to memory of 2092 2416 injectdll.exe schtasks.exe PID 2416 wrote to memory of 2092 2416 injectdll.exe schtasks.exe PID 2416 wrote to memory of 2092 2416 injectdll.exe schtasks.exe PID 2648 wrote to memory of 2292 2648 loaderr.exe schtasks.exe PID 2648 wrote to memory of 2292 2648 loaderr.exe schtasks.exe PID 2648 wrote to memory of 2292 2648 loaderr.exe schtasks.exe PID 1620 wrote to memory of 1032 1620 taskeng.exe svchost.exe PID 1620 wrote to memory of 1032 1620 taskeng.exe svchost.exe PID 1620 wrote to memory of 1032 1620 taskeng.exe svchost.exe PID 1620 wrote to memory of 2972 1620 taskeng.exe svhost.exe PID 1620 wrote to memory of 2972 1620 taskeng.exe svhost.exe PID 1620 wrote to memory of 2972 1620 taskeng.exe svhost.exe PID 1620 wrote to memory of 2832 1620 taskeng.exe svchost.exe PID 1620 wrote to memory of 2832 1620 taskeng.exe svchost.exe PID 1620 wrote to memory of 2832 1620 taskeng.exe svchost.exe PID 1620 wrote to memory of 2164 1620 taskeng.exe svhost.exe PID 1620 wrote to memory of 2164 1620 taskeng.exe svhost.exe PID 1620 wrote to memory of 2164 1620 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:2028 -
C:\Users\Admin\AppData\Roaming\Loader.exe"C:\Users\Admin\AppData\Roaming\Loader.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2436 -
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:2648 -
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:1316 -
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:1284 -
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:848 -
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:3016 -
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:2292 -
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:2652 -
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:2416 -
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:2092
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C:\Windows\system32\taskeng.exetaskeng.exe {65DB049E-9BE8-4684-B5F3-D6E815E25690} S-1-5-21-3502430532-24693940-2469786940-1000:PSBQWFYT\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:1620 -
C:\Users\Admin\AppData\Local\svchost.exeC:\Users\Admin\AppData\Local\svchost.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1032 -
C:\Users\Admin\AppData\Roaming\svhost.exeC:\Users\Admin\AppData\Roaming\svhost.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2972 -
C:\Users\Admin\AppData\Local\svchost.exeC:\Users\Admin\AppData\Local\svchost.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2832 -
C:\Users\Admin\AppData\Roaming\svhost.exeC:\Users\Admin\AppData\Roaming\svhost.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2164
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
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Downloads
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Filesize
479B
MD5647de2a87844cb5090bf83d51d60d886
SHA1014c1a56470f94fb73f39a477eaf2f422908549c
SHA256151dc4f84869b11583a8a87e1b5749a9fd8a3f2b1b1570ff6fb47eab807d81fd
SHA5123bd87dce658cfda3581f47e4c56751de1ea1da2a00c94491846746ba36c5c8c0ea1ae22f9c6dd7b81660db0a4ec2d24c162e6d56bfada84b6350c48a0e91af42
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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\590aee7bdd69b59b.customDestinations-ms
Filesize7KB
MD57693b3e743c2ca2d1249f50ff3653579
SHA15d54a19587156bdca123081c2384dcd3080fd4cf
SHA256496b86f88791654a832e0e0869287c06dea3f00e0184812f63539ea43aaff874
SHA512515e8c372803a8a8a2559dc90efe75fd5d41dfe9694df2e550ccc1e4ff9f7f68287a0cc665733c1ab9be87be049fb9b4d7172f46233a4b56d2b0672ea846f7a5
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Filesize
244KB
MD574ffb0d60d647dd6ad8d00c1bee48011
SHA14c8a707a33b35b78f374c66d59f9c2314c20b25f
SHA256b481f1e0cfe25e5f19da0a0333c78661bf5c75c0b1c616ff4aaaa07aed31efd1
SHA512fc667f4560d6b19a9a4f37eb0e66c751eb348ffc0db69c7d0bd733dfd2df2dfdadc7b780cd93686350444cc14a54283bafe3afec611bcac3ad0239eda659f46c
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e