phorphiex | 8c4365d54648de2dc433943c0e7749b554b2e505541f4f45eacbf8357d4102ca

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-10-2024 19:25

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General

Target

2024-10-20_84a0e0284dd3fbda105bdacbfef58aa0_cobalt-strike_ryuk.exe
Size

618KB
MD5

84a0e0284dd3fbda105bdacbfef58aa0
SHA1

e9f37cede0f6f6d5b47b57a8d3bd5290029fa2fe
SHA256

8c4365d54648de2dc433943c0e7749b554b2e505541f4f45eacbf8357d4102ca
SHA512

67b34ab89b02de70d73bc9fed8630755ea187cd12b318a60b51e9d59861aee02276966eca91ccf1e7a7bab24cdf98d722f4c87a22a10de09d803281d1f3e3eb6
SSDEEP

12288:QmKt6DsU6ngc3kY+KC5gzwGKZ4cuQW8XQAL019bqoFARwp:QR8Y+sxYWkX019bqgWwp

Score

10^/10

phorphiex xmrig discovery evasion execution loader miner persistence trojan worm

Malware Config

Extracted

Family

phorphiex

http://185.215.113.66/

http://91.202.233.141/

Wallets

0xCa90599132C4D88907Bd8E046540284aa468a035

TRuGGXNDM1cavQ1AqMQHG8yfxP4QWVSMN6

qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

XryzFMFVpDUvU7famUGf214EXD3xNUSmQf

rsXCXBf9SagxV8JfC12d8Bybk84oPdMNN9

AULzfBuUAPfCGAXoG5Vq14aP9s6fx3AH4Z

LTK4xdKPAgFHPLan8kriAD7eY4heyy73mB

MP8GEm8QpYgQYaMo8oM5NQhRBgDGiLZW5Q

4BB7ckkaPTyADc8trtuwDoZxywaR4eNL5cDJ3KBjq9GraN4mUFztf7mLS7WgT7Bh7uPqpjvA4ypVwXKCJ1vvLWWAFvSmDoD

15TssKwtjMtwy4vDLcLsQUZUD2B9f7eDjw85sBNVC5LRPPnC

1BzmrjmKPKSR2hH5BeJySfiVA676E8DYaK

ltc1qt0n3f0t7vz9k0mvcswk477shrxwjhf9sj5ykrp

3PMiLynrGVZ8oEqvoqC4hXD67B1WoALR4pc

3ESHude8zUHksQg1h6hHmzY79BS36L91Yn

DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA

t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh

stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj

bnb1msyt0djx4ecspfxg5en0ye465kg3kmv9utzml2

bc1ppypcmu3684n648gyj62gjp2rw0xy7w3vwfamatlg29ajp4z52desafa0sr

bc1qc9edl4hzl9jyt8twdad3zjeh2df2znq96tdezd

Attributes

mutex
mmn7nnm8na
user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Signatures

Modifies security service 2 TTPs 1 IoCs
evasion

Modify Registry
T1112

Windows Service
T1543.003

Processes:

sysppvrdnvs.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Start = "4" sysppvrdnvs.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Start = "4"	sysppvrdnvs.exe

Phorphiex payload 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\930210601.exe	family_phorphiex

Phorphiex, Phorpiex
Phorphiex or Phorpiex Malware family which infects systems to distribute other malicious payloads such as ransomware, stealers and cryptominers.
worm trojan loader phorphiex

Suspicious use of NtCreateUserProcessOtherParentProcess 5 IoCs

Processes:

3303110113.exewinupsecvmgr.exe

description	pid	process	target process
PID 4936 created 3432	4936	3303110113.exe	Explorer.EXE
PID 4936 created 3432	4936	3303110113.exe	Explorer.EXE
PID 4736 created 3432	4736	winupsecvmgr.exe	Explorer.EXE
PID 4736 created 3432	4736	winupsecvmgr.exe	Explorer.EXE
PID 4736 created 3432	4736	winupsecvmgr.exe	Explorer.EXE

Windows security bypass 2 TTPs 6 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

sysppvrdnvs.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	sysppvrdnvs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	sysppvrdnvs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	sysppvrdnvs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	sysppvrdnvs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	sysppvrdnvs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	sysppvrdnvs.exe

xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
miner xmrig

XMRig Miner payload 8 IoCs

miner

Processes:

resource	yara_rule
behavioral2/memory/4736-133-0x00007FF7F8B10000-0x00007FF7F90A7000-memory.dmp	xmrig
behavioral2/memory/5052-136-0x00007FF6B55E0000-0x00007FF6B5DCF000-memory.dmp	xmrig
behavioral2/memory/5052-138-0x00007FF6B55E0000-0x00007FF6B5DCF000-memory.dmp	xmrig
behavioral2/memory/5052-140-0x00007FF6B55E0000-0x00007FF6B5DCF000-memory.dmp	xmrig
behavioral2/memory/5052-142-0x00007FF6B55E0000-0x00007FF6B5DCF000-memory.dmp	xmrig
behavioral2/memory/5052-145-0x00007FF6B55E0000-0x00007FF6B5DCF000-memory.dmp	xmrig
behavioral2/memory/5052-147-0x00007FF6B55E0000-0x00007FF6B5DCF000-memory.dmp	xmrig
behavioral2/memory/5052-155-0x00007FF6B55E0000-0x00007FF6B5DCF000-memory.dmp	xmrig

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Using powershell.exe command.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exepowershell.exe

pid process

4616 powershell.exe
5032 powershell.exe
644 powershell.exe
Downloads MZ/PE file
Stops running service(s) 4 TTPs
evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

pid	process
4616	powershell.exe
5032	powershell.exe
644	powershell.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

2205530981.exesysppvrdnvs.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	2205530981.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	sysppvrdnvs.exe

Executes dropped EXE 8 IoCs

Processes:

F155.exe930210601.exesysppvrdnvs.exe2205530981.exe2576022297.exe2400813920.exe3303110113.exewinupsecvmgr.exe

pid	process
552	F155.exe
2512	930210601.exe
4960	sysppvrdnvs.exe
2140	2205530981.exe
1820	2576022297.exe
1580	2400813920.exe
4936	3303110113.exe
4736	winupsecvmgr.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

sysppvrdnvs.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	sysppvrdnvs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1"	sysppvrdnvs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	sysppvrdnvs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	sysppvrdnvs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	sysppvrdnvs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	sysppvrdnvs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	sysppvrdnvs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

930210601.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysppvrdnvs.exe"	930210601.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

winupsecvmgr.exe

description	pid	process	target process
PID 4736 set thread context of 2320	4736	winupsecvmgr.exe	conhost.exe
PID 4736 set thread context of 5052	4736	winupsecvmgr.exe	dwm.exe

Drops file in Windows directory 2 IoCs

Processes:

930210601.exe

description ioc process

File created C:\Windows\sysppvrdnvs.exe 930210601.exe
File opened for modification C:\Windows\sysppvrdnvs.exe 930210601.exe
Launches sc.exe 5 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exesc.exesc.exesc.exe

pid process

2808 sc.exe
2564 sc.exe
2440 sc.exe
2084 sc.exe
3388 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
File created	C:\Windows\sysppvrdnvs.exe	930210601.exe
File opened for modification	C:\Windows\sysppvrdnvs.exe	930210601.exe

pid	process
2808	sc.exe
2564	sc.exe
2440	sc.exe
2084	sc.exe
3388	sc.exe

System Location Discovery: System Language Discovery 1 TTPs 13 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

2400813920.exeF155.exe930210601.execmd.execmd.exesc.exesc.exe2576022297.exesysppvrdnvs.exepowershell.exesc.exesc.exesc.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2400813920.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	F155.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	930210601.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2576022297.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sysppvrdnvs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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	sc.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

Processes:

powershell.exe2205530981.exe3303110113.exepowershell.exewinupsecvmgr.exepowershell.exe

pid	process
644	powershell.exe
644	powershell.exe
2140	2205530981.exe
4936	3303110113.exe
4936	3303110113.exe
4616	powershell.exe
4616	powershell.exe
4936	3303110113.exe
4936	3303110113.exe
4736	winupsecvmgr.exe
4736	winupsecvmgr.exe
5032	powershell.exe
5032	powershell.exe
4736	winupsecvmgr.exe
4736	winupsecvmgr.exe
4736	winupsecvmgr.exe
4736	winupsecvmgr.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

powershell.exe2205530981.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	644	powershell.exe
Token: SeDebugPrivilege	2140	2205530981.exe
Token: SeDebugPrivilege	4616	powershell.exe
Token: SeIncreaseQuotaPrivilege	4616	powershell.exe
Token: SeSecurityPrivilege	4616	powershell.exe
Token: SeTakeOwnershipPrivilege	4616	powershell.exe
Token: SeLoadDriverPrivilege	4616	powershell.exe
Token: SeSystemProfilePrivilege	4616	powershell.exe
Token: SeSystemtimePrivilege	4616	powershell.exe
Token: SeProfSingleProcessPrivilege	4616	powershell.exe
Token: SeIncBasePriorityPrivilege	4616	powershell.exe
Token: SeCreatePagefilePrivilege	4616	powershell.exe
Token: SeBackupPrivilege	4616	powershell.exe
Token: SeRestorePrivilege	4616	powershell.exe
Token: SeShutdownPrivilege	4616	powershell.exe
Token: SeDebugPrivilege	4616	powershell.exe
Token: SeSystemEnvironmentPrivilege	4616	powershell.exe
Token: SeRemoteShutdownPrivilege	4616	powershell.exe
Token: SeUndockPrivilege	4616	powershell.exe
Token: SeManageVolumePrivilege	4616	powershell.exe
Token: 33	4616	powershell.exe
Token: 34	4616	powershell.exe
Token: 35	4616	powershell.exe
Token: 36	4616	powershell.exe
Token: SeIncreaseQuotaPrivilege	4616	powershell.exe
Token: SeSecurityPrivilege	4616	powershell.exe
Token: SeTakeOwnershipPrivilege	4616	powershell.exe
Token: SeLoadDriverPrivilege	4616	powershell.exe
Token: SeSystemProfilePrivilege	4616	powershell.exe
Token: SeSystemtimePrivilege	4616	powershell.exe
Token: SeProfSingleProcessPrivilege	4616	powershell.exe
Token: SeIncBasePriorityPrivilege	4616	powershell.exe
Token: SeCreatePagefilePrivilege	4616	powershell.exe
Token: SeBackupPrivilege	4616	powershell.exe
Token: SeRestorePrivilege	4616	powershell.exe
Token: SeShutdownPrivilege	4616	powershell.exe
Token: SeDebugPrivilege	4616	powershell.exe
Token: SeSystemEnvironmentPrivilege	4616	powershell.exe
Token: SeRemoteShutdownPrivilege	4616	powershell.exe
Token: SeUndockPrivilege	4616	powershell.exe
Token: SeManageVolumePrivilege	4616	powershell.exe
Token: 33	4616	powershell.exe
Token: 34	4616	powershell.exe
Token: 35	4616	powershell.exe
Token: 36	4616	powershell.exe
Token: SeIncreaseQuotaPrivilege	4616	powershell.exe
Token: SeSecurityPrivilege	4616	powershell.exe
Token: SeTakeOwnershipPrivilege	4616	powershell.exe
Token: SeLoadDriverPrivilege	4616	powershell.exe
Token: SeSystemProfilePrivilege	4616	powershell.exe
Token: SeSystemtimePrivilege	4616	powershell.exe
Token: SeProfSingleProcessPrivilege	4616	powershell.exe
Token: SeIncBasePriorityPrivilege	4616	powershell.exe
Token: SeCreatePagefilePrivilege	4616	powershell.exe
Token: SeBackupPrivilege	4616	powershell.exe
Token: SeRestorePrivilege	4616	powershell.exe
Token: SeShutdownPrivilege	4616	powershell.exe
Token: SeDebugPrivilege	4616	powershell.exe
Token: SeSystemEnvironmentPrivilege	4616	powershell.exe
Token: SeRemoteShutdownPrivilege	4616	powershell.exe
Token: SeUndockPrivilege	4616	powershell.exe
Token: SeManageVolumePrivilege	4616	powershell.exe
Token: 33	4616	powershell.exe
Token: 34	4616	powershell.exe

Suspicious use of FindShellTrayWindow 51 IoCs

Processes:

dwm.exe

pid	process
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe

Suspicious use of SendNotifyMessage 51 IoCs

Processes:

dwm.exe

pid	process
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe
5052	dwm.exe

Suspicious use of WriteProcessMemory 53 IoCs

Processes:

2024-10-20_84a0e0284dd3fbda105bdacbfef58aa0_cobalt-strike_ryuk.exeF155.exe930210601.exesysppvrdnvs.execmd.execmd.exe2205530981.execmd.execmd.exe2400813920.exewinupsecvmgr.exe

description	pid	process	target process
PID 3532 wrote to memory of 552	3532	2024-10-20_84a0e0284dd3fbda105bdacbfef58aa0_cobalt-strike_ryuk.exe	F155.exe
PID 3532 wrote to memory of 552	3532	2024-10-20_84a0e0284dd3fbda105bdacbfef58aa0_cobalt-strike_ryuk.exe	F155.exe
PID 3532 wrote to memory of 552	3532	2024-10-20_84a0e0284dd3fbda105bdacbfef58aa0_cobalt-strike_ryuk.exe	F155.exe
PID 552 wrote to memory of 2512	552	F155.exe	930210601.exe
PID 552 wrote to memory of 2512	552	F155.exe	930210601.exe
PID 552 wrote to memory of 2512	552	F155.exe	930210601.exe
PID 2512 wrote to memory of 4960	2512	930210601.exe	sysppvrdnvs.exe
PID 2512 wrote to memory of 4960	2512	930210601.exe	sysppvrdnvs.exe
PID 2512 wrote to memory of 4960	2512	930210601.exe	sysppvrdnvs.exe
PID 4960 wrote to memory of 4584	4960	sysppvrdnvs.exe	cmd.exe
PID 4960 wrote to memory of 4584	4960	sysppvrdnvs.exe	cmd.exe
PID 4960 wrote to memory of 4584	4960	sysppvrdnvs.exe	cmd.exe
PID 4960 wrote to memory of 372	4960	sysppvrdnvs.exe	cmd.exe
PID 4960 wrote to memory of 372	4960	sysppvrdnvs.exe	cmd.exe
PID 4960 wrote to memory of 372	4960	sysppvrdnvs.exe	cmd.exe
PID 4584 wrote to memory of 644	4584	cmd.exe	powershell.exe
PID 4584 wrote to memory of 644	4584	cmd.exe	powershell.exe
PID 4584 wrote to memory of 644	4584	cmd.exe	powershell.exe
PID 372 wrote to memory of 2084	372	cmd.exe	sc.exe
PID 372 wrote to memory of 2084	372	cmd.exe	sc.exe
PID 372 wrote to memory of 2084	372	cmd.exe	sc.exe
PID 372 wrote to memory of 3388	372	cmd.exe	sc.exe
PID 372 wrote to memory of 3388	372	cmd.exe	sc.exe
PID 372 wrote to memory of 3388	372	cmd.exe	sc.exe
PID 372 wrote to memory of 2808	372	cmd.exe	sc.exe
PID 372 wrote to memory of 2808	372	cmd.exe	sc.exe
PID 372 wrote to memory of 2808	372	cmd.exe	sc.exe
PID 372 wrote to memory of 2564	372	cmd.exe	sc.exe
PID 372 wrote to memory of 2564	372	cmd.exe	sc.exe
PID 372 wrote to memory of 2564	372	cmd.exe	sc.exe
PID 372 wrote to memory of 2440	372	cmd.exe	sc.exe
PID 372 wrote to memory of 2440	372	cmd.exe	sc.exe
PID 372 wrote to memory of 2440	372	cmd.exe	sc.exe
PID 4960 wrote to memory of 2140	4960	sysppvrdnvs.exe	2205530981.exe
PID 4960 wrote to memory of 2140	4960	sysppvrdnvs.exe	2205530981.exe
PID 2140 wrote to memory of 2592	2140	2205530981.exe	cmd.exe
PID 2140 wrote to memory of 2592	2140	2205530981.exe	cmd.exe
PID 2140 wrote to memory of 4556	2140	2205530981.exe	cmd.exe
PID 2140 wrote to memory of 4556	2140	2205530981.exe	cmd.exe
PID 2592 wrote to memory of 2960	2592	cmd.exe	reg.exe
PID 2592 wrote to memory of 2960	2592	cmd.exe	reg.exe
PID 4556 wrote to memory of 4236	4556	cmd.exe	schtasks.exe
PID 4556 wrote to memory of 4236	4556	cmd.exe	schtasks.exe
PID 4960 wrote to memory of 1820	4960	sysppvrdnvs.exe	2576022297.exe
PID 4960 wrote to memory of 1820	4960	sysppvrdnvs.exe	2576022297.exe
PID 4960 wrote to memory of 1820	4960	sysppvrdnvs.exe	2576022297.exe
PID 4960 wrote to memory of 1580	4960	sysppvrdnvs.exe	2400813920.exe
PID 4960 wrote to memory of 1580	4960	sysppvrdnvs.exe	2400813920.exe
PID 4960 wrote to memory of 1580	4960	sysppvrdnvs.exe	2400813920.exe
PID 1580 wrote to memory of 4936	1580	2400813920.exe	3303110113.exe
PID 1580 wrote to memory of 4936	1580	2400813920.exe	3303110113.exe
PID 4736 wrote to memory of 2320	4736	winupsecvmgr.exe	conhost.exe
PID 4736 wrote to memory of 5052	4736	winupsecvmgr.exe	dwm.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.
persistence

Query Registry
T1012

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3432

C:\Users\Admin\AppData\Local\Temp\2024-10-20_84a0e0284dd3fbda105bdacbfef58aa0_cobalt-strike_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-20_84a0e0284dd3fbda105bdacbfef58aa0_cobalt-strike_ryuk.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3532

C:\Users\Admin\AppData\Local\Temp\F155.exe
"C:\Users\Admin\AppData\Local\Temp\F155.exe"
3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:552

C:\Users\Admin\AppData\Local\Temp\930210601.exe
C:\Users\Admin\AppData\Local\Temp\930210601.exe
4⤵
- 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:2512

C:\Windows\sysppvrdnvs.exe
C:\Windows\sysppvrdnvs.exe
5⤵
- Modifies security service
- Windows security bypass
- Checks computer location settings
- Executes dropped EXE
- Windows security modification
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4960

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:4584

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -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:644

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 BITS /wait
6⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:372

C:\Windows\SysWOW64\sc.exe
sc stop UsoSvc
7⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2084

C:\Windows\SysWOW64\sc.exe
sc stop WaaSMedicSvc
7⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:3388

C:\Windows\SysWOW64\sc.exe
sc stop wuauserv
7⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2808

C:\Windows\SysWOW64\sc.exe
sc stop DoSvc
7⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2564

C:\Windows\SysWOW64\sc.exe
sc stop BITS /wait
7⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2440

C:\Users\Admin\AppData\Local\Temp\2205530981.exe
C:\Users\Admin\AppData\Local\Temp\2205530981.exe
6⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2140

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f
7⤵
- Suspicious use of WriteProcessMemory
PID:2592

C:\Windows\system32\reg.exe
reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f
8⤵
PID:2960

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /delete /f /tn "Windows Upgrade Manager"
7⤵
- Suspicious use of WriteProcessMemory
PID:4556

C:\Windows\system32\schtasks.exe
schtasks /delete /f /tn "Windows Upgrade Manager"
8⤵
PID:4236

C:\Users\Admin\AppData\Local\Temp\2576022297.exe
C:\Users\Admin\AppData\Local\Temp\2576022297.exe
6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1820

C:\Users\Admin\AppData\Local\Temp\2400813920.exe
C:\Users\Admin\AppData\Local\Temp\2400813920.exe
6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1580

C:\Users\Admin\AppData\Local\Temp\3303110113.exe
C:\Users\Admin\AppData\Local\Temp\3303110113.exe
7⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4936

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#evrkcgqew#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /tn 'Microsoft Windows Security' /tr '''C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'Microsoft Windows Security' -RunLevel 'Highest' -Force; }
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4616

C:\Windows\System32\schtasks.exe
C:\Windows\System32\schtasks.exe /run /tn "Microsoft Windows Security"
2⤵
PID:4320

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#evrkcgqew#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /tn 'Microsoft Windows Security' /tr '''C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'Microsoft Windows Security' -RunLevel 'Highest' -Force; }
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:5032

C:\Windows\System32\conhost.exe
C:\Windows\System32\conhost.exe
2⤵
PID:2320

C:\Windows\System32\dwm.exe
C:\Windows\System32\dwm.exe
2⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:5052

C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe
"C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe"
1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
3KB

MD5
fee026663fcb662152188784794028ee

SHA1
3c02a26a9cb16648fad85c6477b68ced3cb0cb45

SHA256
dbd4136bc342e3e92902ec3a30d165452c82997a7ae24ac90775e42d88959e6b

SHA512
7b12bd5c8fc4356b9123d6586b4980cf76012663b41c0dab6f6f21567e2f4005c5bcea2cc2158d157e4f801a281f3e04bad3774cddb3122db309ccf662184bd6

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\H4VCA4X1\1[1]

Filesize
108KB

MD5
1fcb78fb6cf9720e9d9494c42142d885

SHA1
fef9c2e728ab9d56ce9ed28934b3182b6f1d5379

SHA256
84652bb8c63ca4fd7eb7a2d6ef44029801f3057aa2961867245a3a765928dd02

SHA512
cdf58e463af1784aea86995b3e5d6b07701c5c4095e30ec80cc901ffd448c6f4f714c521bf8796ffa8c47538bf8bf5351e157596efaa7ab88155d63dc33f7dc3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
5a0872d597bc204a26d6f6fe1f3dd0b8

SHA1
0dfb411d392385646a773ad6dcf8b26d33807909

SHA256
02f566455a0832945af22a15dbeb8e9153109494b379be537dc2dc3b275a761e

SHA512
84114db66c62b05d7dd0a3952b382d07707f65ac1a62a99c2e15e6bd5f4e25712f96952e50003b18d51b34cf4e4df20fad27c53832a7523d48b20c198c05498c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
d95b08252ed624f6d91b46523f110f29

SHA1
17577997bc1fb5d3fbe59be84013165534415dc3

SHA256
342ce7c39bf9992d31d4b61ef138b2b084c96c74736ed00bb19aae49be16ca02

SHA512
0c4288176d56f4ee6d8f08f568fba07ad859f50a395c39d2afd3baf55d3d29ca065a1ce305d1bd790477c35977c0ffa230543e805622f80a77bcee71b24eb257

Download Submit
C:\Users\Admin\AppData\Local\Temp\2205530981.exe

Filesize
8KB

MD5
cb8420e681f68db1bad5ed24e7b22114

SHA1
416fc65d538d3622f5ca71c667a11df88a927c31

SHA256
5850892f67f85991b31fc90f62c8b7791afeb3c08ae1877d857aa2b59471a2ea

SHA512
baaabcc4ad5d409267a34ed7b20e4afb4d247974bfc581d39aae945e5bf8a673a1f8eacae2e6783480c8baaeb0a80d028274a202d456f13d0af956afa0110fdf

Download Submit
C:\Users\Admin\AppData\Local\Temp\2400813920.exe

Filesize
10KB

MD5
96509ab828867d81c1693b614b22f41d

SHA1
c5f82005dbda43cedd86708cc5fc3635a781a67e

SHA256
a9de2927b0ec45cf900508fec18531c04ee9fa8a5dfe2fc82c67d9458cf4b744

SHA512
ff603117a06da8fb2386c1d2049a5896774e41f34d05951ecd4e7b5fc9da51a373e3fcf61af3577ff78490cf898471ce8e71eae848a12812fe98cd7e76e1a9ca

Download Submit
C:\Users\Admin\AppData\Local\Temp\2576022297.exe

Filesize
15KB

MD5
0c37ee292fec32dba0420e6c94224e28

SHA1
012cbdddaddab319a4b3ae2968b42950e929c46b

SHA256
981d724feebc36777e99513dc061d1f009e589f965c920797285c46d863060d1

SHA512
2b60b571c55d0441ba0cfc695f9db5cd12660ebec7effc7e893c3b7a1c6cb6149df487c31b8d748697e260cbc4af29331592b705ea9638f64a711c7a6164628b

Download Submit
C:\Users\Admin\AppData\Local\Temp\3303110113.exe

Filesize
5.6MB

MD5
13b26b2c7048a92d6a843c1302618fad

SHA1
89c2dfc01ac12ef2704c7669844ec69f1700c1ca

SHA256
1753ad35ece25ab9a19048c70062e9170f495e313d7355ebbba59c38f5d90256

SHA512
d6aff89b61c9945002a6798617ad304612460a607ef1cfbdcb32f8932ca648bcee1d5f2e0321bb4c58c1f4642b1e0ececc1eb82450fdec7dff69b5389f195455

Download Submit
C:\Users\Admin\AppData\Local\Temp\930210601.exe

Filesize
83KB

MD5
06560b5e92d704395bc6dae58bc7e794

SHA1
fbd3e4ae28620197d1f02bfc24adaf4ddacd2372

SHA256
9eaaadf3857e4a3e83f4f78d96ab185213b6528c8e470807f9d16035daadf33d

SHA512
b55b49fc1bd526c47d88fcf8a20fcaed900bfb291f2e3e1186ec196a87127ed24df71385ae04fedcc802c362c4ebf38edfc182013febf4496ddeb66ce5195ee3

Download Submit
C:\Users\Admin\AppData\Local\Temp\F155.exe

Filesize
9KB

MD5
8d8e6c7952a9dc7c0c73911c4dbc5518

SHA1
9098da03b33b2c822065b49d5220359c275d5e94

SHA256
feb4c3ae4566f0acbb9e0f55417b61fefd89dc50a4e684df780813fb01d61278

SHA512
91a573843c28dd32a9f31a60ba977f9a3d4bb19ffd1b7254333e09bcecef348c1b3220a348ebb2cb08edb57d56cb7737f026519da52199c9dc62c10aea236645

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xgqjqqv3.fez.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/644-34-0x0000000006630000-0x0000000006662000-memory.dmp

Filesize
200KB

Download
memory/644-20-0x0000000005360000-0x00000000053C6000-memory.dmp

Filesize
408KB

Download
memory/644-45-0x0000000006680000-0x000000000669E000-memory.dmp

Filesize
120KB

Download
memory/644-46-0x00000000072A0000-0x0000000007343000-memory.dmp

Filesize
652KB

Download
memory/644-47-0x0000000007A40000-0x00000000080BA000-memory.dmp

Filesize
6.5MB

Download
memory/644-48-0x00000000073C0000-0x00000000073DA000-memory.dmp

Filesize
104KB

Download
memory/644-49-0x0000000007410000-0x000000000741A000-memory.dmp

Filesize
40KB

Download
memory/644-50-0x0000000007620000-0x00000000076B6000-memory.dmp

Filesize
600KB

Download
memory/644-51-0x00000000075B0000-0x00000000075C1000-memory.dmp

Filesize
68KB

Download
memory/644-52-0x00000000075E0000-0x00000000075EE000-memory.dmp

Filesize
56KB

Download
memory/644-53-0x00000000075F0000-0x0000000007604000-memory.dmp

Filesize
80KB

Download
memory/644-56-0x00000000076E0000-0x00000000076FA000-memory.dmp

Filesize
104KB

Download
memory/644-57-0x00000000076C0000-0x00000000076C8000-memory.dmp

Filesize
32KB

Download
memory/644-33-0x00000000060B0000-0x00000000060FC000-memory.dmp

Filesize
304KB

Download
memory/644-32-0x0000000006070000-0x000000000608E000-memory.dmp

Filesize
120KB

Download
memory/644-17-0x0000000002A90000-0x0000000002AC6000-memory.dmp

Filesize
216KB

Download
memory/644-31-0x0000000005AB0000-0x0000000005E04000-memory.dmp

Filesize
3.3MB

Download
memory/644-35-0x00000000703A0000-0x00000000703EC000-memory.dmp

Filesize
304KB

Download
memory/644-21-0x00000000053D0000-0x0000000005436000-memory.dmp

Filesize
408KB

Download
memory/644-18-0x0000000005480000-0x0000000005AA8000-memory.dmp

Filesize
6.2MB

Download
memory/644-19-0x00000000050C0000-0x00000000050E2000-memory.dmp

Filesize
136KB

Download
memory/2140-75-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download
memory/2320-137-0x00007FF7A89A0000-0x00007FF7A89C9000-memory.dmp

Filesize
164KB

Download
memory/2320-135-0x00007FF7A89A0000-0x00007FF7A89C9000-memory.dmp

Filesize
164KB

Download
memory/4616-100-0x0000020F2EF90000-0x0000020F2EFB2000-memory.dmp

Filesize
136KB

Download
memory/4736-133-0x00007FF7F8B10000-0x00007FF7F90A7000-memory.dmp

Filesize
5.6MB

Download
memory/4936-115-0x00007FF7E4610000-0x00007FF7E4BA7000-memory.dmp

Filesize
5.6MB

Download
memory/5052-136-0x00007FF6B55E0000-0x00007FF6B5DCF000-memory.dmp

Filesize
7.9MB

Download
memory/5052-134-0x0000020D62E10000-0x0000020D62E30000-memory.dmp

Filesize
128KB

Download
memory/5052-138-0x00007FF6B55E0000-0x00007FF6B5DCF000-memory.dmp

Filesize
7.9MB

Download
memory/5052-140-0x00007FF6B55E0000-0x00007FF6B5DCF000-memory.dmp

Filesize
7.9MB

Download
memory/5052-142-0x00007FF6B55E0000-0x00007FF6B5DCF000-memory.dmp

Filesize
7.9MB

Download
memory/5052-145-0x00007FF6B55E0000-0x00007FF6B5DCF000-memory.dmp

Filesize
7.9MB

Download
memory/5052-147-0x00007FF6B55E0000-0x00007FF6B5DCF000-memory.dmp

Filesize
7.9MB

Download
memory/5052-155-0x00007FF6B55E0000-0x00007FF6B5DCF000-memory.dmp

Filesize
7.9MB

Download