Analysis
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max time kernel
149s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
03-08-2024 09:09
Static task
static1
Behavioral task
behavioral1
Sample
2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exe
Resource
win7-20240704-en
General
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Target
2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exe
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Size
2.7MB
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MD5
466215044914bfb7feeca3db1675ec46
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SHA1
ed03e0669c8f2de8e9eb9e48e8c53d12901a0291
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SHA256
a09ca3676ec3b548c2c5329f062f3059fd99789ff2c971143763e0b6578c63dd
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SHA512
36f28f14b965997035a372477d80097170ac02a897b99ab4a765907f62dc9af4c3b24d749a6592566d29086b4fe841326b59e296a3f77699c79acf4b2f39fe8e
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SSDEEP
49152:xwwwwscKD0uDMPlGPgZrhsop5klgYe+l7slAZi1hjNXzZemXsOkX:rb4MP8PErdDYe+96AZinzZemuX
Malware Config
Extracted
phorphiex
http://185.215.113.66/
http://91.202.233.141/
0xCa90599132C4D88907Bd8E046540284aa468a035
TRuGGXNDM1cavQ1AqMQHG8yfxP4QWVSMN6
qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r
XryzFMFVpDUvU7famUGf214EXD3xNUSmQf
LLeT2zkStY3cvxMBFhoWXkG5VuZPoezduv
rwc4LVd9ABpULQ1CuCpDkgX2xVB1fUijyb
4AtjkCVKbtEC3UEN77SQHuH9i1XkzNiRi5VCbA2XGsJh46nJSXfGQn4GjLuupCqmC57Lo7LvKmFUyRfhtJSvKvuw3h9ReKK
15TssKwtjMtwy4vDLcLsQUZUD2B9f7eDjw85sBNVC5LRPPnC
17hgMFyLDwMjxWqw5GhijhnPdJDyFDqecY
ltc1qt0n3f0t7vz9k0mvcswk477shrxwjhf9sj5ykrp
3PMiLynrGVZ8oEqvoqC4hXD67B1WoALR4pc
3FerB8kUraAVGCVCNkgv57zTBjUGjAUkU3
DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA
t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh
stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj
bnb1epx67ne4vckqmaj4gwke8m322f4yjr6eh52wqw
bc1qmpkehfffkr6phuklsksnd7nhgx0369sxu772m3
bitcoincash:qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r
GBQJMXYXPRIWFMXIFJR35ZB7LRKMB4PHCIUAUFR3TKUL6RDBZVLZEUJ3
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mutex
x88767657x
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user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
Signatures
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Modifies security service 2 TTPs 1 IoCs
Processes:
sysmysldrv.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Start = "4" sysmysldrv.exe -
Phorphiex payload 1 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\69P6875H\newtpp[1].exe family_phorphiex -
Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs
Processes:
2570527725.exewupgrdsv.exedescription pid process target process PID 3000 created 1196 3000 2570527725.exe Explorer.EXE PID 3000 created 1196 3000 2570527725.exe Explorer.EXE PID 2720 created 1196 2720 wupgrdsv.exe Explorer.EXE PID 2720 created 1196 2720 wupgrdsv.exe Explorer.EXE -
Processes:
sysmysldrv.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" sysmysldrv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" sysmysldrv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1" sysmysldrv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" sysmysldrv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" sysmysldrv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" sysmysldrv.exe -
XMRig Miner payload 9 IoCs
Processes:
resource yara_rule behavioral1/memory/2720-165-0x000000013FE10000-0x0000000140386000-memory.dmp xmrig behavioral1/memory/1568-167-0x0000000140000000-0x00000001407EF000-memory.dmp xmrig behavioral1/memory/1568-169-0x0000000140000000-0x00000001407EF000-memory.dmp xmrig behavioral1/memory/1568-170-0x0000000140000000-0x00000001407EF000-memory.dmp xmrig behavioral1/memory/1568-171-0x0000000140000000-0x00000001407EF000-memory.dmp xmrig behavioral1/memory/1568-172-0x0000000140000000-0x00000001407EF000-memory.dmp xmrig behavioral1/memory/1568-173-0x0000000140000000-0x00000001407EF000-memory.dmp xmrig behavioral1/memory/1568-174-0x0000000140000000-0x00000001407EF000-memory.dmp xmrig behavioral1/memory/1568-176-0x0000000140000000-0x00000001407EF000-memory.dmp xmrig -
Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Processes:
powershell.exepowershell.exepowershell.exepid process 1916 powershell.exe 2792 powershell.exe 1260 powershell.exe -
Downloads MZ/PE file
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Executes dropped EXE 16 IoCs
Processes:
B339.exeAu_.exeBF49.exeAu_.exeC024.exe3065213828.exe2567515559.exe2816414694.exesysmysldrv.exe1461916567.exe204157844.exe24983453.exe3561232880.exe319051656.exe2570527725.exewupgrdsv.exepid process 2920 B339.exe 2720 Au_.exe 2748 BF49.exe 2908 Au_.exe 2784 C024.exe 2872 3065213828.exe 2860 2567515559.exe 1244 2816414694.exe 1524 sysmysldrv.exe 920 1461916567.exe 1536 204157844.exe 2528 24983453.exe 1608 3561232880.exe 2288 319051656.exe 3000 2570527725.exe 2720 wupgrdsv.exe -
Loads dropped DLL 19 IoCs
Processes:
2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exeAu_.exeAu_.exeB339.exeC024.exeBF49.exesysmysldrv.exe24983453.exe319051656.exetaskeng.exepid process 328 2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exe 328 2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exe 2720 Au_.exe 2720 Au_.exe 2908 Au_.exe 2920 B339.exe 2920 B339.exe 2784 C024.exe 2784 C024.exe 2748 BF49.exe 2748 BF49.exe 1524 sysmysldrv.exe 1524 sysmysldrv.exe 1524 sysmysldrv.exe 1524 sysmysldrv.exe 2528 24983453.exe 1524 sysmysldrv.exe 2288 319051656.exe 2892 taskeng.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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Processes:
sysmysldrv.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" sysmysldrv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1" sysmysldrv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" sysmysldrv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" sysmysldrv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" sysmysldrv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiSpywareOverride = "1" sysmysldrv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" sysmysldrv.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
3065213828.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysmysldrv.exe" 3065213828.exe -
Processes:
Au_.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Au_.exe -
Drops file in System32 directory 2 IoCs
Processes:
powershell.exepowershell.exedescription ioc process File opened for modification C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe File opened for modification C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
wupgrdsv.exedescription pid process target process PID 2720 set thread context of 1568 2720 wupgrdsv.exe notepad.exe -
Drops file in Windows directory 2 IoCs
Processes:
3065213828.exedescription ioc process File created C:\Windows\sysmysldrv.exe 3065213828.exe File opened for modification C:\Windows\sysmysldrv.exe 3065213828.exe -
Launches sc.exe 5 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exesc.exesc.exesc.exesc.exepid process 2492 sc.exe 1776 sc.exe 2348 sc.exe 964 sc.exe 700 sc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 19 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
B339.exesysmysldrv.execmd.exesc.exe1461916567.exe24983453.exe3065213828.exesc.exesc.exe319051656.exe2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exeBF49.exeC024.execmd.exepowershell.exeAu_.exeAu_.exesc.exesc.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language B339.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sysmysldrv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1461916567.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 24983453.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3065213828.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 319051656.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language BF49.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C024.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Au_.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Au_.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.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 2656 schtasks.exe 1580 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 17 IoCs
Processes:
2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exeAu_.exepowershell.exe2570527725.exepowershell.exewupgrdsv.exepowershell.exepid process 328 2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exe 328 2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exe 2720 Au_.exe 2720 Au_.exe 2720 Au_.exe 2720 Au_.exe 1916 powershell.exe 3000 2570527725.exe 3000 2570527725.exe 2792 powershell.exe 3000 2570527725.exe 3000 2570527725.exe 2720 wupgrdsv.exe 2720 wupgrdsv.exe 1260 powershell.exe 2720 wupgrdsv.exe 2720 wupgrdsv.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
Au_.exepowershell.exepowershell.exepowershell.exenotepad.exedescription pid process Token: SeDebugPrivilege 2720 Au_.exe Token: SeDebugPrivilege 1916 powershell.exe Token: SeDebugPrivilege 2792 powershell.exe Token: SeDebugPrivilege 1260 powershell.exe Token: SeLockMemoryPrivilege 1568 notepad.exe Token: SeLockMemoryPrivilege 1568 notepad.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
Processes:
notepad.exepid process 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe -
Suspicious use of SendNotifyMessage 64 IoCs
Processes:
notepad.exepid process 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe 1568 notepad.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exeAu_.exeAu_.exeB339.exeC024.exeBF49.exe3065213828.exesysmysldrv.execmd.execmd.exedescription pid process target process PID 328 wrote to memory of 2920 328 2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exe B339.exe PID 328 wrote to memory of 2920 328 2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exe B339.exe PID 328 wrote to memory of 2920 328 2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exe B339.exe PID 328 wrote to memory of 2920 328 2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exe B339.exe PID 328 wrote to memory of 2720 328 2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exe Au_.exe PID 328 wrote to memory of 2720 328 2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exe Au_.exe PID 328 wrote to memory of 2720 328 2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exe Au_.exe PID 328 wrote to memory of 2720 328 2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exe Au_.exe PID 328 wrote to memory of 2720 328 2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exe Au_.exe PID 328 wrote to memory of 2720 328 2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exe Au_.exe PID 328 wrote to memory of 2720 328 2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exe Au_.exe PID 2720 wrote to memory of 2748 2720 Au_.exe BF49.exe PID 2720 wrote to memory of 2748 2720 Au_.exe BF49.exe PID 2720 wrote to memory of 2748 2720 Au_.exe BF49.exe PID 2720 wrote to memory of 2748 2720 Au_.exe BF49.exe PID 2720 wrote to memory of 2908 2720 Au_.exe Au_.exe PID 2720 wrote to memory of 2908 2720 Au_.exe Au_.exe PID 2720 wrote to memory of 2908 2720 Au_.exe Au_.exe PID 2720 wrote to memory of 2908 2720 Au_.exe Au_.exe PID 2720 wrote to memory of 2908 2720 Au_.exe Au_.exe PID 2720 wrote to memory of 2908 2720 Au_.exe Au_.exe PID 2720 wrote to memory of 2908 2720 Au_.exe Au_.exe PID 2908 wrote to memory of 2784 2908 Au_.exe C024.exe PID 2908 wrote to memory of 2784 2908 Au_.exe C024.exe PID 2908 wrote to memory of 2784 2908 Au_.exe C024.exe PID 2908 wrote to memory of 2784 2908 Au_.exe C024.exe PID 2920 wrote to memory of 2872 2920 B339.exe 3065213828.exe PID 2920 wrote to memory of 2872 2920 B339.exe 3065213828.exe PID 2920 wrote to memory of 2872 2920 B339.exe 3065213828.exe PID 2920 wrote to memory of 2872 2920 B339.exe 3065213828.exe PID 2784 wrote to memory of 2860 2784 C024.exe 2567515559.exe PID 2784 wrote to memory of 2860 2784 C024.exe 2567515559.exe PID 2784 wrote to memory of 2860 2784 C024.exe 2567515559.exe PID 2784 wrote to memory of 2860 2784 C024.exe 2567515559.exe PID 2748 wrote to memory of 1244 2748 BF49.exe 2816414694.exe PID 2748 wrote to memory of 1244 2748 BF49.exe 2816414694.exe PID 2748 wrote to memory of 1244 2748 BF49.exe 2816414694.exe PID 2748 wrote to memory of 1244 2748 BF49.exe 2816414694.exe PID 2872 wrote to memory of 1524 2872 3065213828.exe sysmysldrv.exe PID 2872 wrote to memory of 1524 2872 3065213828.exe sysmysldrv.exe PID 2872 wrote to memory of 1524 2872 3065213828.exe sysmysldrv.exe PID 2872 wrote to memory of 1524 2872 3065213828.exe sysmysldrv.exe PID 1524 wrote to memory of 2440 1524 sysmysldrv.exe cmd.exe PID 1524 wrote to memory of 2440 1524 sysmysldrv.exe cmd.exe PID 1524 wrote to memory of 2440 1524 sysmysldrv.exe cmd.exe PID 1524 wrote to memory of 2440 1524 sysmysldrv.exe cmd.exe PID 1524 wrote to memory of 2168 1524 sysmysldrv.exe cmd.exe PID 1524 wrote to memory of 2168 1524 sysmysldrv.exe cmd.exe PID 1524 wrote to memory of 2168 1524 sysmysldrv.exe cmd.exe PID 1524 wrote to memory of 2168 1524 sysmysldrv.exe cmd.exe PID 2168 wrote to memory of 2492 2168 cmd.exe sc.exe PID 2168 wrote to memory of 2492 2168 cmd.exe sc.exe PID 2168 wrote to memory of 2492 2168 cmd.exe sc.exe PID 2168 wrote to memory of 2492 2168 cmd.exe sc.exe PID 2440 wrote to memory of 1916 2440 cmd.exe powershell.exe PID 2440 wrote to memory of 1916 2440 cmd.exe powershell.exe PID 2440 wrote to memory of 1916 2440 cmd.exe powershell.exe PID 2440 wrote to memory of 1916 2440 cmd.exe powershell.exe PID 2168 wrote to memory of 1776 2168 cmd.exe sc.exe PID 2168 wrote to memory of 1776 2168 cmd.exe sc.exe PID 2168 wrote to memory of 1776 2168 cmd.exe sc.exe PID 2168 wrote to memory of 1776 2168 cmd.exe sc.exe PID 2168 wrote to memory of 2348 2168 cmd.exe sc.exe PID 2168 wrote to memory of 2348 2168 cmd.exe sc.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:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1196
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C:\Users\Admin\AppData\Local\Temp\2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exe"C:\Users\Admin\AppData\Local\Temp\2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:328 -
C:\Users\Admin\AppData\Local\Temp\B339.exe"C:\Users\Admin\AppData\Local\Temp\B339.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2920 -
C:\Users\Admin\AppData\Local\Temp\3065213828.exeC:\Users\Admin\AppData\Local\Temp\3065213828.exe4⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2872 -
C:\Windows\sysmysldrv.exeC:\Windows\sysmysldrv.exe5⤵
- Modifies security service
- Windows security bypass
- Executes dropped EXE
- Loads dropped DLL
- Windows security modification
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1524 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c powershell -Command "Add-MpPreference -ExclusionPath $env:windir; Add-MpPreference -ExclusionPath $env:TEMP; Add-MpPreference -ExclusionPath $env:USERPROFILE"6⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2440 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -Command "Add-MpPreference -ExclusionPath $env:windir; Add-MpPreference -ExclusionPath $env:TEMP; Add-MpPreference -ExclusionPath $env:USERPROFILE"7⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1916
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c sc stop UsoSvc & sc stop WaaSMedicSvc & sc stop wuauserv & sc stop DoSvc & sc stop BITS6⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2168 -
C:\Windows\SysWOW64\sc.exesc stop UsoSvc7⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2492
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C:\Windows\SysWOW64\sc.exesc stop WaaSMedicSvc7⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1776
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C:\Windows\SysWOW64\sc.exesc stop wuauserv7⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2348
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C:\Windows\SysWOW64\sc.exesc stop DoSvc7⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:964
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C:\Windows\SysWOW64\sc.exesc stop BITS7⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:700
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C:\Users\Admin\AppData\Local\Temp\1461916567.exeC:\Users\Admin\AppData\Local\Temp\1461916567.exe6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:920
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C:\Users\Admin\AppData\Local\Temp\204157844.exeC:\Users\Admin\AppData\Local\Temp\204157844.exe6⤵
- Executes dropped EXE
PID:1536
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C:\Users\Admin\AppData\Local\Temp\24983453.exeC:\Users\Admin\AppData\Local\Temp\24983453.exe6⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2528 -
C:\Users\Admin\AppData\Local\Temp\3561232880.exeC:\Users\Admin\AppData\Local\Temp\3561232880.exe7⤵
- Executes dropped EXE
PID:1608
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C:\Users\Admin\AppData\Local\Temp\319051656.exeC:\Users\Admin\AppData\Local\Temp\319051656.exe6⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2288 -
C:\Users\Admin\AppData\Local\Temp\2570527725.exeC:\Users\Admin\AppData\Local\Temp\2570527725.exe7⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:3000
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C:\Users\Admin\AppData\Local\Temp\wps\~f76bead\Au_.exe"C:\Users\Admin\AppData\Local\Temp\wps\~f76bead\Au_.exe" /from="explorer.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2720 -
C:\Users\Admin\AppData\Local\Temp\BF49.exe"C:\Users\Admin\AppData\Local\Temp\BF49.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2748 -
C:\Users\Admin\AppData\Local\Temp\2816414694.exeC:\Users\Admin\AppData\Local\Temp\2816414694.exe5⤵
- Executes dropped EXE
PID:1244
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C:\Users\Admin\AppData\Local\Temp\wps\~f76bead\Au_.exe"C:\Users\Admin\AppData\Local\Temp\wps\~f76bead\Au_.exe" -downpower /from=explorer.exe -msgwndname=uninstallsend_message_F76BFA74⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2908 -
C:\Users\Admin\AppData\Local\Temp\C024.exe"C:\Users\Admin\AppData\Local\Temp\C024.exe"5⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2784 -
C:\Users\Admin\AppData\Local\Temp\2567515559.exeC:\Users\Admin\AppData\Local\Temp\2567515559.exe6⤵
- Executes dropped EXE
PID:2860
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeC:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#llzqlmcx#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /tn 'Windows Upgrade Manager' /tr '''C:\Users\Admin\Windows Upgrade\wupgrdsv.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\Windows Upgrade\wupgrdsv.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'Windows Upgrade Manager' -RunLevel 'Highest' -Force; }2⤵
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2792 -
C:\Windows\system32\schtasks.exe"C:\Windows\system32\schtasks.exe" /create /f /sc onlogon /rl highest /tn "Windows Upgrade Manager" /tr "'C:\Users\Admin\Windows Upgrade\wupgrdsv.exe'"3⤵
- Scheduled Task/Job: Scheduled Task
PID:2656
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C:\Windows\System32\schtasks.exeC:\Windows\System32\schtasks.exe /run /tn "Windows Upgrade Manager"2⤵PID:2800
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeC:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#llzqlmcx#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /tn 'Windows Upgrade Manager' /tr '''C:\Users\Admin\Windows Upgrade\wupgrdsv.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\Windows Upgrade\wupgrdsv.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'Windows Upgrade Manager' -RunLevel 'Highest' -Force; }2⤵
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1260 -
C:\Windows\system32\schtasks.exe"C:\Windows\system32\schtasks.exe" /create /f /sc onlogon /rl highest /tn "Windows Upgrade Manager" /tr "'C:\Users\Admin\Windows Upgrade\wupgrdsv.exe'"3⤵
- Scheduled Task/Job: Scheduled Task
PID:1580
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C:\Windows\System32\notepad.exeC:\Windows\System32\notepad.exe2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1568
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C:\Windows\system32\taskeng.exetaskeng.exe {8BA4F554-7A03-4660-9EEF-70E82C90CE98} S-1-5-21-3450744190-3404161390-554719085-1000:PDIZKVQX\Admin:Interactive:[1]1⤵
- Loads dropped DLL
PID:2892 -
C:\Users\Admin\Windows Upgrade\wupgrdsv.exe"C:\Users\Admin\Windows Upgrade\wupgrdsv.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
PID:2720
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1System Services
1Service Execution
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Scheduled Task
1Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\69P6875H\newtpp[1].exe
Filesize92KB
MD5be9388b42333b3d4e163b0ace699897b
SHA14e1109772eb9cb59c557380822166fe1664403bd
SHA256d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f
SHA5125f887f1060b898c9a88745cde7cf509fdf42947ab8e5948b46c2df659468dc245b24d089bdbec0b314c40b83934698bf4b6feb8954e32810ff8f522aab0af19a
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Filesize
9KB
MD58d8e6c7952a9dc7c0c73911c4dbc5518
SHA19098da03b33b2c822065b49d5220359c275d5e94
SHA256feb4c3ae4566f0acbb9e0f55417b61fefd89dc50a4e684df780813fb01d61278
SHA51291a573843c28dd32a9f31a60ba977f9a3d4bb19ffd1b7254333e09bcecef348c1b3220a348ebb2cb08edb57d56cb7737f026519da52199c9dc62c10aea236645
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Filesize
2.7MB
MD5466215044914bfb7feeca3db1675ec46
SHA1ed03e0669c8f2de8e9eb9e48e8c53d12901a0291
SHA256a09ca3676ec3b548c2c5329f062f3059fd99789ff2c971143763e0b6578c63dd
SHA51236f28f14b965997035a372477d80097170ac02a897b99ab4a765907f62dc9af4c3b24d749a6592566d29086b4fe841326b59e296a3f77699c79acf4b2f39fe8e
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Filesize
317B
MD5db40ec764b2e435da14c92b72308ed6e
SHA17e95a22b15d20f736d7298bf545e0a73b08e6633
SHA256859f1c7a7143c049084f7033a6da8bc94d519ec439d668520654f0a4073ed910
SHA5124ec66c8febce5574dadeaddadec76256a3dd26f9e9dfca40fb57f8fada1e53e05ad2aa8ed743ff6704a5ec2b5cc4238636ee8241f3e04cdbf99a092b09a0ef91
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\9VCTUMLJSOX9P1M3XLQN.temp
Filesize7KB
MD5d4b2d1da0323080fea3ee21053489758
SHA1623792034e2240fba789b95be6d95ba98f599789
SHA256c517569c0822e998a304e8ec2371a1bec7fd7febfc2da60714ab71ebf5079dd1
SHA512c4560b47fcc15d25fe8dffe5796a5a9c641ed8cc348ba73172de24ce072010965cf36e93753973ff37cd02681cae07e32ce1968aaa5ed9e08c3b05ec88479887
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Filesize
1KB
MD5927248f2212b744d3e15f4fcb6265653
SHA12df9fc2e1006795b921d55e312ca605d348cd41e
SHA25653520dc531702ffc8374e860d06302c8013ab4910147c3fb7c19b5dbcd850d74
SHA5121aca5b22bc5b2fb6495f8a866e0c1d8219a35d88546367bbfbec053a346a5c6c06c1ba943f7cba66e40c4ed895eae014acfae70f8ce7c0cefb35b2837dd6aef0
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Filesize
1KB
MD583347624af80d53ab9c516180bad12f0
SHA16525e3868c6c0633713726cb252e2e781df8d086
SHA256b981343a12be35151296ea5e94f6ae777b8a4f29361660b1bdbb5e8682e1661e
SHA512149614eabfc5800771b927fa2b627cb4a7aeae293b543ba19001c59011e550e74883272986ac2e8297d39c928106be092ebcf8a2b7a4e58d68c24971649a0bc6
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Filesize
1KB
MD569f03ee51faed4274de5aa950b613955
SHA1fdbc42e7fad1312e5ac6170bf4200b1186911383
SHA256ba0b55980ae45fdd6e01e78ba767fd7835a9517dee3d4cd0b979802ea9d09e38
SHA5124bbba95cf3d4c9ca8d8150c1362b2e15435b8db108d193e5c633e4b023c06295aa3240d2f60c509a20a905614b89ca2fa695104a2b5f4e2061be332f9b1f82d7
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
7KB
MD5af0622340ed8ba48efa92e0b2d9aca7b
SHA177e7181b4d4e6957cf13ba37f590cf219aac88cb
SHA2567b7d433c6c204ed3bcd1ea74106592edfa1a30b6ef7bbc3ed21efcbadc51e526
SHA512e1368c1c292789115b51cae549bd2d484dbc614eb3e57aa5fce324385d28e9fbddf60064b4c88237b38cded294d090d07c491b646651c45bcd6235630d94ef46
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Filesize
10KB
MD5d4039242a73ca683d220aa81a63bf628
SHA19f3e58b60b1d56c8461de59e780597e43653e4e9
SHA2562edde7963b986d6f96c73fa0057a8b0ea163fcd06c9e52c2eeda0728d540955b
SHA512bae49ddfc82ac532d177981f985f7ea9239fd09c6baa914b679d31aef7a8ee091478d83ac2d6f05c490297eeba5342a783ebbf2b143667b16eefff4cb84a21c7
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Filesize
5.4MB
MD541ab08c1955fce44bfd0c76a64d1945a
SHA12b9cb05f4de5d98c541d15175d7f0199cbdd0eea
SHA256dd12cb27b3867341bf6ca48715756500d3ec56c19b21bb1c1290806aa74cb493
SHA51238834ae703a8541b4fec9a1db94cfe296ead58649bb1d4873b517df14d0c6a9d25e49ff04c2bf6bb0188845116a4e894aae930d849f9be8c98d2ce51da1ef116
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Filesize
10KB
MD54fe8dc617311f7b6a4b8ebe0b1e24090
SHA12bd9341f17c8c0c62e56e1863b1d2f9c43cb30e5
SHA2565016e413b0c563efc920165e7235c9f2706808877668bd297b41435acc7aade4
SHA512910a12fbaffd45b0f797a95c6678a32c4a27adbb7d1474f183f8863d310d31fbba17d5d747da87ac4a30dd7cb22c67a4d1c25b302ef0c3f6954d91a459c692db
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Filesize
20KB
MD51382c0a4a9e0a9a2c942458652a4a0e4
SHA155ed8ebd6281c280c3e77763773d789a6057e743
SHA2564cb590dfafb7653379326e840d9b904a3cf05451999c4f9eb66c6e7116b68875
SHA512cc1ba7e779536b57409c974f16b0d8706fdf8749fb9eca36716d4e84d4f420a650b6476ac08570e684ad1e492da3bbacc15a4e5be4b94a1b708909d683da0b7e