phorphiex | 00475e1ce0883ac76f08f6f2387496c8298902a34fa0631f3f45f38c48e3713b

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17-04-2024 12:41

240417-pwvknsfd74 10

17-04-2024 12:41

17-04-2024 12:41

17-04-2024 12:40

17-04-2024 12:40

16-04-2024 13:48

Analysis

max time kernel
300s
max time network
311s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
16-04-2024 13:48

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General

Target

00475e1ce0883ac76f08f6f2387496c8298902a34fa0631f3f45f38c48e3713b.exe
Size

100KB
MD5

1fe26231c66ad0b21e804a897e07f6ee
SHA1

7e5cc26fbf11c4e65291617722145be1e6872aed
SHA256

00475e1ce0883ac76f08f6f2387496c8298902a34fa0631f3f45f38c48e3713b
SHA512

35aa41be52995c97c25fe29efe6d9cad526368910bfbe99cf73a94917e7f65a2982f041f126a7f4433ab04770cd7bf8d45924d77aa99ac36e43adae30a9056a0
SSDEEP

3072:UlmICQuNwVOv/8I6WruEPJZDUXA2M1CUci6sUJW51TrFS83FoO:WmICRmgMtWruEhZDCA2M1CUci6sUJW5n

Score

10^/10

phorphiex xmrig evasion loader miner persistence trojan worm

Malware Config

Extracted

Family

phorphiex

http://185.215.113.66/

Wallets

0xAa3ea4838e8E3F6a1922c6B67E3cD6efD1ff175b

THRUoPK7oYqF7YyKZJvPYwTH35JsPZVPto

1Hw9tx4KyTq4oRoLVhPb4hjDJcLhEa4Tn6

qr89hag2967ef604ud3lw4pq8hmn69n46czwdnx3ut

XtxFdsKkRN3oVDXtN2ipcHeNi87basT2sL

LXMNcn9D8FQKzGNLjdSyR9dEM8Rsh9NzyX

rwn7tb5KQjXEjH42GgdHWHec5PPhVgqhSH

ARML6g7zynrwUHJbFJCCzMPiysUFXYBGgQ

48jYpFT6bT8MTeph7VsyzCQeDsGHqdQNc2kUkRFJPzfRHHjarBvBtudPUtParMkDzZbYBrd3yntWBQcsnVBNeeMbN9EXifg

3PL7YCa4akNYzuScqQwiSbtTP9q9E9PLreC

3FerB8kUraAVGCVCNkgv57zTBjUGjAUkU3

D9AJWrbYsidS9rAU146ifLRu1fzX9oQYSH

t1gvVWHnjbGTsoWXEyoTFojc2GqEzBgvbEn

bnb1cgttf7t5hu7ud3c436ufhcmy59qnkd09adqczd

bc1q0fusmmgycnhsd5cadsuz2hk8d4maausjfjypqg

bitcoincash:qr89hag2967ef604ud3lw4pq8hmn69n46czwdnx3ut

GAUCC7ZBSU2KJMHXOZD6AP5LOBGKNDPCDNRYP2CO2ACR63YCSUBNT5QE

Signatures

Modifies security service 2 TTPs 1 IoCs
evasion

Modify Registry
T1112

Windows Service
T1543.003

Processes:

831523593.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Start = "4" 831523593.exe
Phorphiex
Malware family which infects systems to distribute other malicious payloads such as ransomware, stealers and cryptominers.
worm trojan loader phorphiex

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Start = "4"	831523593.exe

Phorphiex payload 1 IoCs

Processes:

resource	yara_rule
C:\9767412322419\lsass.exe	family_phorphiex

Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs

Processes:

1142123390.exewupgrdsv.exe

description	pid	process	target process
PID 4072 created 3308	4072	1142123390.exe	Explorer.EXE
PID 4072 created 3308	4072	1142123390.exe	Explorer.EXE
PID 4436 created 3308	4436	wupgrdsv.exe	Explorer.EXE
PID 4436 created 3308	4436	wupgrdsv.exe	Explorer.EXE

Windows security bypass 2 TTPs 24 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

lsass.exesylsplvc.exe831523593.exe104215114.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	lsass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	lsass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	sylsplvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	sylsplvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	831523593.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	831523593.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	831523593.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	104215114.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	lsass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	sylsplvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	831523593.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	104215114.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	104215114.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	lsass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	lsass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	sylsplvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	sylsplvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	sylsplvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	831523593.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	104215114.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	104215114.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	lsass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	831523593.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	104215114.exe

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

XMRig Miner payload 1 IoCs

miner

Processes:

resource	yara_rule
behavioral1/memory/4436-200-0x00007FF6B6FA0000-0x00007FF6B7516000-memory.dmp	xmrig

Downloads MZ/PE file

Executes dropped EXE 13 IoCs

Processes:

lsass.exe3627435319.exesylsplvc.exe831523593.exe104215114.exe627230368.exe1786120103.exe1246620818.exe1556625245.exe1145031718.exe3305433280.exe1142123390.exewupgrdsv.exe

pid	process
380	lsass.exe
2212	3627435319.exe
5004	sylsplvc.exe
2952	831523593.exe
5100	104215114.exe
1852	627230368.exe
752	1786120103.exe
1772	1246620818.exe
2676	1556625245.exe
4976	1145031718.exe
4128	3305433280.exe
4072	1142123390.exe
4436	wupgrdsv.exe

Windows security modification 2 TTPs 28 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

104215114.exe831523593.exesylsplvc.exelsass.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	104215114.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	831523593.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1"	104215114.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	104215114.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	sylsplvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	sylsplvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	831523593.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	lsass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	lsass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	sylsplvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	lsass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	831523593.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	104215114.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1"	sylsplvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	831523593.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	831523593.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	sylsplvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	sylsplvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	104215114.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1"	831523593.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	104215114.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1"	lsass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	lsass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	sylsplvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	104215114.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	lsass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	lsass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	831523593.exe

Adds Run key to start application 2 TTPs 7 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

831523593.exe104215114.exe00475e1ce0883ac76f08f6f2387496c8298902a34fa0631f3f45f38c48e3713b.exe3627435319.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-81807878-2351072935-4259904108-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Users\\Admin\\sysvpplvcr.exe"	831523593.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Service = "C:\\Windows\\winakrosvsa.exe"	104215114.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-81807878-2351072935-4259904108-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Service = "C:\\Users\\Admin\\winakrosvsa.exe"	104215114.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\9767412322419\\lsass.exe"	00475e1ce0883ac76f08f6f2387496c8298902a34fa0631f3f45f38c48e3713b.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-81807878-2351072935-4259904108-1000\Software\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\9767412322419\\lsass.exe"	00475e1ce0883ac76f08f6f2387496c8298902a34fa0631f3f45f38c48e3713b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sylsplvc.exe"	3627435319.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysvpplvcr.exe"	831523593.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

wupgrdsv.exe

description pid process target process

PID 4436 set thread context of 3824 4436 wupgrdsv.exe notepad.exe

description	pid	process	target process
PID 4436 set thread context of 3824	4436	wupgrdsv.exe	notepad.exe

Drops file in Windows directory 6 IoCs

Processes:

3627435319.exe831523593.exe104215114.exe

description	ioc	process
File created	C:\Windows\sylsplvc.exe	3627435319.exe
File opened for modification	C:\Windows\sylsplvc.exe	3627435319.exe
File created	C:\Windows\sysvpplvcr.exe	831523593.exe
File opened for modification	C:\Windows\sysvpplvcr.exe	831523593.exe
File created	C:\Windows\winakrosvsa.exe	104215114.exe
File opened for modification	C:\Windows\winakrosvsa.exe	104215114.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

1142123390.exepowershell.exewupgrdsv.exepowershell.exe

pid	process
4072	1142123390.exe
4072	1142123390.exe
3508	powershell.exe
3508	powershell.exe
3508	powershell.exe
4072	1142123390.exe
4072	1142123390.exe
4436	wupgrdsv.exe
4436	wupgrdsv.exe
824	powershell.exe
824	powershell.exe
824	powershell.exe
4436	wupgrdsv.exe
4436	wupgrdsv.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

pid process

636
Suspicious behavior: SetClipboardViewer 1 IoCs

Processes:

831523593.exe

pid process

2952 831523593.exe

pid	process
636

pid	process
2952	831523593.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

powershell.exe

description	pid	process
Token: SeDebugPrivilege	3508	powershell.exe
Token: SeIncreaseQuotaPrivilege	3508	powershell.exe
Token: SeSecurityPrivilege	3508	powershell.exe
Token: SeTakeOwnershipPrivilege	3508	powershell.exe
Token: SeLoadDriverPrivilege	3508	powershell.exe
Token: SeSystemProfilePrivilege	3508	powershell.exe
Token: SeSystemtimePrivilege	3508	powershell.exe
Token: SeProfSingleProcessPrivilege	3508	powershell.exe
Token: SeIncBasePriorityPrivilege	3508	powershell.exe
Token: SeCreatePagefilePrivilege	3508	powershell.exe
Token: SeBackupPrivilege	3508	powershell.exe
Token: SeRestorePrivilege	3508	powershell.exe
Token: SeShutdownPrivilege	3508	powershell.exe
Token: SeDebugPrivilege	3508	powershell.exe
Token: SeSystemEnvironmentPrivilege	3508	powershell.exe
Token: SeRemoteShutdownPrivilege	3508	powershell.exe
Token: SeUndockPrivilege	3508	powershell.exe
Token: SeManageVolumePrivilege	3508	powershell.exe
Token: 33	3508	powershell.exe
Token: 34	3508	powershell.exe
Token: 35	3508	powershell.exe
Token: 36	3508	powershell.exe
Token: SeIncreaseQuotaPrivilege	3508	powershell.exe
Token: SeSecurityPrivilege	3508	powershell.exe
Token: SeTakeOwnershipPrivilege	3508	powershell.exe
Token: SeLoadDriverPrivilege	3508	powershell.exe
Token: SeSystemProfilePrivilege	3508	powershell.exe
Token: SeSystemtimePrivilege	3508	powershell.exe
Token: SeProfSingleProcessPrivilege	3508	powershell.exe
Token: SeIncBasePriorityPrivilege	3508	powershell.exe
Token: SeCreatePagefilePrivilege	3508	powershell.exe
Token: SeBackupPrivilege	3508	powershell.exe
Token: SeRestorePrivilege	3508	powershell.exe
Token: SeShutdownPrivilege	3508	powershell.exe
Token: SeDebugPrivilege	3508	powershell.exe
Token: SeSystemEnvironmentPrivilege	3508	powershell.exe
Token: SeRemoteShutdownPrivilege	3508	powershell.exe
Token: SeUndockPrivilege	3508	powershell.exe
Token: SeManageVolumePrivilege	3508	powershell.exe
Token: 33	3508	powershell.exe
Token: 34	3508	powershell.exe
Token: 35	3508	powershell.exe
Token: 36	3508	powershell.exe
Token: SeIncreaseQuotaPrivilege	3508	powershell.exe
Token: SeSecurityPrivilege	3508	powershell.exe
Token: SeTakeOwnershipPrivilege	3508	powershell.exe
Token: SeLoadDriverPrivilege	3508	powershell.exe
Token: SeSystemProfilePrivilege	3508	powershell.exe
Token: SeSystemtimePrivilege	3508	powershell.exe
Token: SeProfSingleProcessPrivilege	3508	powershell.exe
Token: SeIncBasePriorityPrivilege	3508	powershell.exe
Token: SeCreatePagefilePrivilege	3508	powershell.exe
Token: SeBackupPrivilege	3508	powershell.exe
Token: SeRestorePrivilege	3508	powershell.exe
Token: SeShutdownPrivilege	3508	powershell.exe
Token: SeDebugPrivilege	3508	powershell.exe
Token: SeSystemEnvironmentPrivilege	3508	powershell.exe
Token: SeRemoteShutdownPrivilege	3508	powershell.exe
Token: SeUndockPrivilege	3508	powershell.exe
Token: SeManageVolumePrivilege	3508	powershell.exe
Token: 33	3508	powershell.exe
Token: 34	3508	powershell.exe
Token: 35	3508	powershell.exe
Token: 36	3508	powershell.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

notepad.exe

pid process

3824 notepad.exe
3824 notepad.exe
3824 notepad.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

notepad.exe

pid process

3824 notepad.exe
3824 notepad.exe
3824 notepad.exe

pid	process
3824	notepad.exe
3824	notepad.exe
3824	notepad.exe

pid	process
3824	notepad.exe
3824	notepad.exe
3824	notepad.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

00475e1ce0883ac76f08f6f2387496c8298902a34fa0631f3f45f38c48e3713b.exelsass.exe3627435319.exesylsplvc.exe831523593.exe3305433280.exewupgrdsv.exe

description	pid	process	target process
PID 2188 wrote to memory of 380	2188	00475e1ce0883ac76f08f6f2387496c8298902a34fa0631f3f45f38c48e3713b.exe	lsass.exe
PID 2188 wrote to memory of 380	2188	00475e1ce0883ac76f08f6f2387496c8298902a34fa0631f3f45f38c48e3713b.exe	lsass.exe
PID 2188 wrote to memory of 380	2188	00475e1ce0883ac76f08f6f2387496c8298902a34fa0631f3f45f38c48e3713b.exe	lsass.exe
PID 380 wrote to memory of 2212	380	lsass.exe	3627435319.exe
PID 380 wrote to memory of 2212	380	lsass.exe	3627435319.exe
PID 380 wrote to memory of 2212	380	lsass.exe	3627435319.exe
PID 2212 wrote to memory of 5004	2212	3627435319.exe	sylsplvc.exe
PID 2212 wrote to memory of 5004	2212	3627435319.exe	sylsplvc.exe
PID 2212 wrote to memory of 5004	2212	3627435319.exe	sylsplvc.exe
PID 5004 wrote to memory of 2952	5004	sylsplvc.exe	831523593.exe
PID 5004 wrote to memory of 2952	5004	sylsplvc.exe	831523593.exe
PID 5004 wrote to memory of 2952	5004	sylsplvc.exe	831523593.exe
PID 5004 wrote to memory of 5100	5004	sylsplvc.exe	104215114.exe
PID 5004 wrote to memory of 5100	5004	sylsplvc.exe	104215114.exe
PID 5004 wrote to memory of 5100	5004	sylsplvc.exe	104215114.exe
PID 2952 wrote to memory of 1852	2952	831523593.exe	627230368.exe
PID 2952 wrote to memory of 1852	2952	831523593.exe	627230368.exe
PID 2952 wrote to memory of 1852	2952	831523593.exe	627230368.exe
PID 5004 wrote to memory of 752	5004	sylsplvc.exe	1786120103.exe
PID 5004 wrote to memory of 752	5004	sylsplvc.exe	1786120103.exe
PID 5004 wrote to memory of 752	5004	sylsplvc.exe	1786120103.exe
PID 2952 wrote to memory of 1772	2952	831523593.exe	1246620818.exe
PID 2952 wrote to memory of 1772	2952	831523593.exe	1246620818.exe
PID 2952 wrote to memory of 1772	2952	831523593.exe	1246620818.exe
PID 2952 wrote to memory of 2676	2952	831523593.exe	1556625245.exe
PID 2952 wrote to memory of 2676	2952	831523593.exe	1556625245.exe
PID 2952 wrote to memory of 2676	2952	831523593.exe	1556625245.exe
PID 380 wrote to memory of 4976	380	lsass.exe	1145031718.exe
PID 380 wrote to memory of 4976	380	lsass.exe	1145031718.exe
PID 380 wrote to memory of 4976	380	lsass.exe	1145031718.exe
PID 2952 wrote to memory of 4128	2952	831523593.exe	3305433280.exe
PID 2952 wrote to memory of 4128	2952	831523593.exe	3305433280.exe
PID 2952 wrote to memory of 4128	2952	831523593.exe	3305433280.exe
PID 4128 wrote to memory of 4072	4128	3305433280.exe	1142123390.exe
PID 4128 wrote to memory of 4072	4128	3305433280.exe	1142123390.exe
PID 4436 wrote to memory of 3824	4436	wupgrdsv.exe	notepad.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:3308
- C:\Users\Admin\AppData\Local\Temp\00475e1ce0883ac76f08f6f2387496c8298902a34fa0631f3f45f38c48e3713b.exe
  "C:\Users\Admin\AppData\Local\Temp\00475e1ce0883ac76f08f6f2387496c8298902a34fa0631f3f45f38c48e3713b.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2188
- - C:\9767412322419\lsass.exe
    C:\9767412322419\lsass.exe
    3⤵
    - Windows security bypass
    - Executes dropped EXE
    - Windows security modification
    - Suspicious use of WriteProcessMemory
    PID:380
  - - C:\Users\Admin\AppData\Local\Temp\3627435319.exe
      C:\Users\Admin\AppData\Local\Temp\3627435319.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Drops file in Windows directory
      Suspicious use of WriteProcessMemory
      PID:2212
    - - C:\Windows\sylsplvc.exe
        
        C:\Windows\sylsplvc.exe
        5⤵
        Windows security bypass
        Executes dropped EXE
        Windows security modification
        Suspicious use of WriteProcessMemory
        
        PID:5004
      - C:\Users\Admin\AppData\Local\Temp\831523593.exe
        
        C:\Users\Admin\AppData\Local\Temp\831523593.exe
        6⤵
        Modifies security service
        Windows security bypass
        Executes dropped EXE
        Windows security modification
        Adds Run key to start application
        Drops file in Windows directory
        Suspicious behavior: SetClipboardViewer
        Suspicious use of WriteProcessMemory
        
        PID:2952
        
        C:\Users\Admin\AppData\Local\Temp\627230368.exe
        
        C:\Users\Admin\AppData\Local\Temp\627230368.exe
        7⤵
        Executes dropped EXE
        
        PID:1852
        
        C:\Users\Admin\AppData\Local\Temp\1246620818.exe
        
        C:\Users\Admin\AppData\Local\Temp\1246620818.exe
        7⤵
        Executes dropped EXE
        
        PID:1772
        
        C:\Users\Admin\AppData\Local\Temp\1556625245.exe
        
        C:\Users\Admin\AppData\Local\Temp\1556625245.exe
        7⤵
        Executes dropped EXE
        
        PID:2676
        
        C:\Users\Admin\AppData\Local\Temp\3305433280.exe
        
        C:\Users\Admin\AppData\Local\Temp\3305433280.exe
        7⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:4128
        
        C:\Users\Admin\AppData\Local\Temp\1142123390.exe
        
        C:\Users\Admin\AppData\Local\Temp\1142123390.exe
        8⤵
        Suspicious use of NtCreateUserProcessOtherParentProcess
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        
        PID:4072
      - C:\Users\Admin\AppData\Local\Temp\104215114.exe
        
        C:\Users\Admin\AppData\Local\Temp\104215114.exe
        6⤵
        Windows security bypass
        Executes dropped EXE
        Windows security modification
        Adds Run key to start application
        Drops file in Windows directory
        
        PID:5100
      - C:\Users\Admin\AppData\Local\Temp\1786120103.exe
        
        C:\Users\Admin\AppData\Local\Temp\1786120103.exe
        6⤵
        Executes dropped EXE
        
        PID:752
  - - C:\Users\Admin\AppData\Local\Temp\1145031718.exe
      C:\Users\Admin\AppData\Local\Temp\1145031718.exe
      4⤵
      Executes dropped EXE
      PID:4976
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  C:\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⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3508
- C:\Windows\System32\schtasks.exe
  C:\Windows\System32\schtasks.exe /run /tn "Windows Upgrade Manager"
  2⤵
  PID:3604
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  C:\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⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:824
- C:\Windows\System32\notepad.exe
  C:\Windows\System32\notepad.exe
  2⤵
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:3824

C:\Users\Admin\Windows Upgrade\wupgrdsv.exe
"C:\Users\Admin\Windows Upgrade\wupgrdsv.exe"
1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4436

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\9767412322419\lsass.exe

Filesize
100KB

MD5
1fe26231c66ad0b21e804a897e07f6ee

SHA1
7e5cc26fbf11c4e65291617722145be1e6872aed

SHA256
00475e1ce0883ac76f08f6f2387496c8298902a34fa0631f3f45f38c48e3713b

SHA512
35aa41be52995c97c25fe29efe6d9cad526368910bfbe99cf73a94917e7f65a2982f041f126a7f4433ab04770cd7bf8d45924d77aa99ac36e43adae30a9056a0

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

Filesize
3KB

MD5
39707b7265bbe2adef00d9915f61b4e9

SHA1
63437ea875211141e8b69df04783a940c6940fa5

SHA256
646c544310171e543923f41907c7163da352bb06facf281b0edf05e24104a892

SHA512
133b47657499283baf270ceb56818e0d0a949f704105af9cb56518ea76e5fea8748d80cb0f1afc33f1bf4b12ec51601cd96b71978a7b35b88296e599f374d450

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\52PHU5Y2\1[1]

Filesize
81KB

MD5
01e5faba64d8e9a9c187831fdc819f4c

SHA1
350a1a2bf237e64f43716262f99c632f5e01ba62

SHA256
7f4f76bd8fa91a71ce7999f9bbd0f7a63ca82d4e96b4d99cfad98edde1d85450

SHA512
f4bc09ab9e4579b82707d6420e3b9df9ec4fd77e11ce5eb8304b45e3b5c9403c01de4e50f3c7f03f00f3ebc921646794638dccfded199bfe5f3fd727f3e57782

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\52PHU5Y2\5[1]

Filesize
8KB

MD5
145fc3dbf778aa2ba80af3d74eabfad6

SHA1
13dfeadb4b38c461f8b9d25853c0cae5d9a65f7c

SHA256
5ab3bcaff0514c89388ea4958197ab0ff5bcc5999e1b95d830bc72da94bd4200

SHA512
9bd7d50d489c4fc57ee1a0d3ad3cd2d29ca20f8ad1e46668a36d7ecced42db03a6980b039a2aeb7a1e1761aef89d994d73a497043ba744678290a8a9772a6306

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\SZ0J8JUE\2[1]

Filesize
14KB

MD5
fce292c79288067dc17919ed588c161c

SHA1
bb44fa2c95af5bbd11e49264a40c16d6f343fa21

SHA256
4ef8146d85d60c2867bdbe44304b5ba00cceb208f4c10c9f91183308e1da3828

SHA512
73dac29753044a720fc43b4ee19d320e06855167cdf0ebf329207aa16faa13fd6d2937bd87b54e544dd8d4c3da634773abd73769d3915154099ff01e6e03033e

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

Filesize
1KB

MD5
7cab9628be21d95e7bd66988a3447ee2

SHA1
a55f9afc4e9ede970efa6973fe4657ace3aea28e

SHA256
9867ed4d19972f97433cc7d82a604e5b1fad55337d74c872bf727b71d96a1485

SHA512
8b9e38cb3f79c8f76f9413457e10c340d0393e48e35eff54ea1ced3087beafd8c2957a3a5f3e103bc0cf5b2dade3c17433c863ed2e8ec9c86c82428f1b976390

Download Submit
C:\Users\Admin\AppData\Local\Temp\104215114.exe

Filesize
14KB

MD5
2f4ab1a4a57649200550c0906d57bc28

SHA1
94bc52ed3921791630b2a001d9565b8f1bd3bd17

SHA256
baa6149b5b917ea3af1f7c77a65e26a34a191a31a9c79726bd60baf4656701fa

SHA512
ab1a59aa4c48f6c7fcf7950f4a68c3b89a56f266681a5aabd0df947af8340676e209d82ddd1997bfebd972b35ca235233b61231335aec4567f7b031e786ea7e8

Download Submit
C:\Users\Admin\AppData\Local\Temp\1142123390.exe

Filesize
5.4MB

MD5
41ab08c1955fce44bfd0c76a64d1945a

SHA1
2b9cb05f4de5d98c541d15175d7f0199cbdd0eea

SHA256
dd12cb27b3867341bf6ca48715756500d3ec56c19b21bb1c1290806aa74cb493

SHA512
38834ae703a8541b4fec9a1db94cfe296ead58649bb1d4873b517df14d0c6a9d25e49ff04c2bf6bb0188845116a4e894aae930d849f9be8c98d2ce51da1ef116

Download Submit
C:\Users\Admin\AppData\Local\Temp\1145031718.exe

Filesize
79KB

MD5
ca57b9f2c47ab7d459f6c88d550e3e32

SHA1
a179d0c011a06f02aa0b24fa9ceaea10429da078

SHA256
937faa2f94fd8bf084196a0b354bb2dc364e557b70d682f183caf8cb0fdbd77b

SHA512
7950798db7601b96a585fd4e7a8f471944e7d09fa3a1cbc4ae256eb6d4817850ab3454d83a06b7c8449f6cd190b8206b6497a8570a2f010456c14e48651331df

Download Submit
C:\Users\Admin\AppData\Local\Temp\1786120103.exe

Filesize
8KB

MD5
c34a248f132e739652407b0aa8c978cd

SHA1
f7f05357fd6ab2d1a11e3427ee46626bb6ad94ee

SHA256
4c9c53256ff65c9930c38b193537ad510930c25052231c7eef3715057b79e578

SHA512
f7999e8b903fbc2e715d6d7e7bb0bc421cef79dbd61f6d94f18fa63c99a420d2a70d4b23fa0b8ec05d073c954aec718be588ada718bb0f5aacd618ad815f2703

Download Submit
C:\Users\Admin\AppData\Local\Temp\3305433280.exe

Filesize
6KB

MD5
0d539e8277f20391a31babff8714fdb0

SHA1
a4e63870aa5fd258dde4f02be70732c27f556fa9

SHA256
669035f4f05fe6ffc7722987c41f802f3a11298cb3a154b00c4e76df2ae5fe32

SHA512
700ff1733a064ddda80c0ac4702e50a8c0ddd97f154ff894f89d16603c02076a13e1a93ca51224579898cdf69e560a69dff60d4f5e26a479e74a3e3350f822ff

Download Submit
C:\Users\Admin\AppData\Local\Temp\3627435319.exe

Filesize
79KB

MD5
1e8a2ed2e3f35620fb6b8c2a782a57f3

SHA1
e924ce6d147ecc8b30b7c7cad02e5c9ae09a743a

SHA256
3f16f4550826076b2c8cd7b392ee649aeb06740328658a2d30c3d2002c6b7879

SHA512
ce4dc7fdd7f81a7a127d650f9175292b287b4803d815d74b64a4e5125cff66224d75e7ecade1d9c0e42f870bdb49a78e9613b1a49675ab5bc098611b99b49ade

Download Submit
C:\Users\Admin\AppData\Local\Temp\627230368.exe

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
C:\Users\Admin\AppData\Local\Temp\831523593.exe

Filesize
81KB

MD5
f4713c8ac5fc1e4919156157e7bece19

SHA1
7bd9e35b1d1210183bbb4fe1995895cbc1692c62

SHA256
2be2206e079516c8cfa50bbc86f8a431898aa90dd73f7cfc6af1d21573247c4b

SHA512
ecff8f3af212f444b5f44fd3bfd922556a49b9156fd7a20e13ebc60b4abe08b9d193a49556d4a8e776ef8083db77ab9667ec537dd44f863719e83cb3899cb46f

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0mypkpnw.g3d.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
memory/824-158-0x000001EDEA5B0000-0x000001EDEA5C0000-memory.dmp

Filesize
64KB

Download
memory/824-157-0x00007FF842AB0000-0x00007FF84349C000-memory.dmp

Filesize
9.9MB

Download
memory/824-197-0x00007FF842AB0000-0x00007FF84349C000-memory.dmp

Filesize
9.9MB

Download
memory/824-194-0x000001EDEA5B0000-0x000001EDEA5C0000-memory.dmp

Filesize
64KB

Download
memory/824-175-0x000001EDEA5B0000-0x000001EDEA5C0000-memory.dmp

Filesize
64KB

Download
memory/824-159-0x000001EDEA5B0000-0x000001EDEA5C0000-memory.dmp

Filesize
64KB

Download
memory/3508-147-0x00007FF842AB0000-0x00007FF84349C000-memory.dmp

Filesize
9.9MB

Download
memory/3508-107-0x0000016078840000-0x0000016078850000-memory.dmp

Filesize
64KB

Download
memory/3508-105-0x00000160789C0000-0x00000160789E2000-memory.dmp

Filesize
136KB

Download
memory/3508-111-0x0000016078B70000-0x0000016078BE6000-memory.dmp

Filesize
472KB

Download
memory/3508-106-0x00007FF842AB0000-0x00007FF84349C000-memory.dmp

Filesize
9.9MB

Download
memory/3508-143-0x0000016078840000-0x0000016078850000-memory.dmp

Filesize
64KB

Download
memory/3508-124-0x0000016078840000-0x0000016078850000-memory.dmp

Filesize
64KB

Download
memory/3508-108-0x0000016078840000-0x0000016078850000-memory.dmp

Filesize
64KB

Download
memory/3824-201-0x000001F754AB0000-0x000001F754AD0000-memory.dmp

Filesize
128KB

Download
memory/3824-204-0x000001F754B40000-0x000001F754B80000-memory.dmp

Filesize
256KB

Download
memory/4072-150-0x00007FF761F60000-0x00007FF7624D6000-memory.dmp

Filesize
5.5MB

Download
memory/4436-200-0x00007FF6B6FA0000-0x00007FF6B7516000-memory.dmp

Filesize
5.5MB

Download