phorphiex | 552ac0917f936b6075b045c778da6f150cde88ebd89c8dd98ab8d0f2bf6a9e17

Resubmissions

09-04-2024 12:52

240409-p4kqfaaf9y 10

09-04-2024 12:52

09-04-2024 12:52

09-04-2024 12:52

14-05-2021 19:03

Analysis

max time kernel
301s
max time network
309s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09-04-2024 12:52

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General

Target

4c80e5212c71b86274b03c7e90df62a6.exe
Size

100KB
MD5

4c80e5212c71b86274b03c7e90df62a6
SHA1

27fb49e915fba0537c26f2e3643c8ed079cd5e45
SHA256

552ac0917f936b6075b045c778da6f150cde88ebd89c8dd98ab8d0f2bf6a9e17
SHA512

4135fc58ae7e2b6ad2ca82d955d2028f12dcdb97ac8388811f5e7687b0fa8e1845f383862ba2afd1170c1832f47536c615c4817ead432e2773fe0d18b4684453
SSDEEP

3072:/3G8xswGZTYJWTbJPjMdhS3kxi/jrKwcNHjo86r8wLFS85F:/G8xo1qupjMrS3kxi/jrKwcNHjo86r8Q

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

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

Phorphiex payload 1 IoCs

Processes:

resource	yara_rule
\285482800611049\wininet.exe	family_phorphiex

Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs

Processes:

2161736688.exewupgrdsv.exe

description	pid	process	target process
PID 1468 created 1284	1468	2161736688.exe	Explorer.EXE
PID 1468 created 1284	1468	2161736688.exe	Explorer.EXE
PID 2648 created 1284	2648	wupgrdsv.exe	Explorer.EXE
PID 2648 created 1284	2648	wupgrdsv.exe	Explorer.EXE

Windows security bypass 2 TTPs 24 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

wininet.exesylsplvc.exe1509913006.exe154374590.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	wininet.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"	1509913006.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	1509913006.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	154374590.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	154374590.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1"	wininet.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\UpdatesOverride = "1"	sylsplvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	1509913006.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	1509913006.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	154374590.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1"	154374590.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	wininet.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\UpdatesDisableNotify = "1"	sylsplvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1"	1509913006.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	154374590.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	154374590.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	wininet.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	wininet.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	wininet.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\FirewallDisableNotify = "1"	1509913006.exe

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

XMRig Miner payload 3 IoCs

miner

Processes:

resource	yara_rule
behavioral1/memory/2648-185-0x000000013F190000-0x000000013F706000-memory.dmp	xmrig
behavioral1/memory/2440-192-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/2440-193-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig

Downloads MZ/PE file

Executes dropped EXE 15 IoCs

Processes:

wininet.exe1983218823.exesylsplvc.exe1509913006.exe154374590.exe1909919872.exe10342590.exe1640510489.exe398726892.exe291877980.exe1283831212.exe1725427398.exe646713270.exe2161736688.exewupgrdsv.exe

pid	process
2548	wininet.exe
2704	1983218823.exe
2180	sylsplvc.exe
1268	1509913006.exe
636	154374590.exe
1332	1909919872.exe
832	10342590.exe
1492	1640510489.exe
1884	398726892.exe
2688	291877980.exe
2508	1283831212.exe
3016	1725427398.exe
1412	646713270.exe
1468	2161736688.exe
2648	wupgrdsv.exe

Loads dropped DLL 20 IoCs

Processes:

4c80e5212c71b86274b03c7e90df62a6.exewininet.exesylsplvc.exe1509913006.exe646713270.exetaskeng.exe

pid	process
1940	4c80e5212c71b86274b03c7e90df62a6.exe
2548	wininet.exe
2548	wininet.exe
2180	sylsplvc.exe
2180	sylsplvc.exe
2180	sylsplvc.exe
1268	1509913006.exe
1268	1509913006.exe
2180	sylsplvc.exe
2180	sylsplvc.exe
1268	1509913006.exe
2180	sylsplvc.exe
1268	1509913006.exe
1268	1509913006.exe
1268	1509913006.exe
2548	wininet.exe
2548	wininet.exe
1268	1509913006.exe
1412	646713270.exe
1760	taskeng.exe

Windows security modification 2 TTPs 28 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

wininet.exe154374590.exe1509913006.exesylsplvc.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1"	wininet.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	154374590.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiSpywareOverride = "1"	wininet.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	154374590.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	1509913006.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	wininet.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	wininet.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1"	1509913006.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	154374590.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\AntiSpywareOverride = "1"	sylsplvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	154374590.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiSpywareOverride = "1"	1509913006.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\AntiVirusOverride = "1"	1509913006.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiSpywareOverride = "1"	154374590.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	154374590.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	wininet.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	wininet.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\FirewallOverride = "1"	1509913006.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	1509913006.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	1509913006.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1"	154374590.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	wininet.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\UpdatesOverride = "1"	sylsplvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	sylsplvc.exe

Adds Run key to start application 2 TTPs 7 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

1509913006.exe154374590.exe4c80e5212c71b86274b03c7e90df62a6.exe1983218823.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\syspplsvc.exe"	1509913006.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Users\\Admin\\syspplsvc.exe"	1509913006.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Service = "C:\\Windows\\winakrosvsa.exe"	154374590.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Service = "C:\\Users\\Admin\\winakrosvsa.exe"	154374590.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\285482800611049\\wininet.exe"	4c80e5212c71b86274b03c7e90df62a6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\285482800611049\\wininet.exe"	4c80e5212c71b86274b03c7e90df62a6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sylsplvc.exe"	1983218823.exe

Drops file in System32 directory 2 IoCs

Processes:

powershell.exepowershell.exe

description	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.exe

description pid process target process

PID 2648 set thread context of 2440 2648 wupgrdsv.exe notepad.exe

description	pid	process	target process
PID 2648 set thread context of 2440	2648	wupgrdsv.exe	notepad.exe

Drops file in Windows directory 6 IoCs

Processes:

1983218823.exe1509913006.exe154374590.exe

description	ioc	process
File opened for modification	C:\Windows\sylsplvc.exe	1983218823.exe
File created	C:\Windows\syspplsvc.exe	1509913006.exe
File opened for modification	C:\Windows\syspplsvc.exe	1509913006.exe
File created	C:\Windows\winakrosvsa.exe	154374590.exe
File opened for modification	C:\Windows\winakrosvsa.exe	154374590.exe
File created	C:\Windows\sylsplvc.exe	1983218823.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1016 schtasks.exe
2528 schtasks.exe

pid	process
1016	schtasks.exe
2528	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

2161736688.exepowershell.exewupgrdsv.exepowershell.exe

pid	process
1468	2161736688.exe
1468	2161736688.exe
2496	powershell.exe
1468	2161736688.exe
1468	2161736688.exe
2648	wupgrdsv.exe
2648	wupgrdsv.exe
3020	powershell.exe
2648	wupgrdsv.exe
2648	wupgrdsv.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

pid process

464
Suspicious behavior: SetClipboardViewer 1 IoCs

Processes:

1509913006.exe

pid process

1268 1509913006.exe

pid	process
464

pid	process
1268	1509913006.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exepowershell.exenotepad.exe

description	pid	process
Token: SeDebugPrivilege	2496	powershell.exe
Token: SeDebugPrivilege	3020	powershell.exe
Token: SeLockMemoryPrivilege	2440	notepad.exe
Token: SeLockMemoryPrivilege	2440	notepad.exe

Suspicious use of FindShellTrayWindow 23 IoCs

Processes:

notepad.exe

pid	process
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe

Suspicious use of SendNotifyMessage 23 IoCs

Processes:

notepad.exe

pid	process
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

4c80e5212c71b86274b03c7e90df62a6.exewininet.exe1983218823.exesylsplvc.exe1509913006.exe646713270.exepowershell.exetaskeng.exepowershell.exe

description	pid	process	target process
PID 1940 wrote to memory of 2548	1940	4c80e5212c71b86274b03c7e90df62a6.exe	wininet.exe
PID 1940 wrote to memory of 2548	1940	4c80e5212c71b86274b03c7e90df62a6.exe	wininet.exe
PID 1940 wrote to memory of 2548	1940	4c80e5212c71b86274b03c7e90df62a6.exe	wininet.exe
PID 1940 wrote to memory of 2548	1940	4c80e5212c71b86274b03c7e90df62a6.exe	wininet.exe
PID 2548 wrote to memory of 2704	2548	wininet.exe	1983218823.exe
PID 2548 wrote to memory of 2704	2548	wininet.exe	1983218823.exe
PID 2548 wrote to memory of 2704	2548	wininet.exe	1983218823.exe
PID 2548 wrote to memory of 2704	2548	wininet.exe	1983218823.exe
PID 2704 wrote to memory of 2180	2704	1983218823.exe	sylsplvc.exe
PID 2704 wrote to memory of 2180	2704	1983218823.exe	sylsplvc.exe
PID 2704 wrote to memory of 2180	2704	1983218823.exe	sylsplvc.exe
PID 2704 wrote to memory of 2180	2704	1983218823.exe	sylsplvc.exe
PID 2180 wrote to memory of 1268	2180	sylsplvc.exe	1509913006.exe
PID 2180 wrote to memory of 1268	2180	sylsplvc.exe	1509913006.exe
PID 2180 wrote to memory of 1268	2180	sylsplvc.exe	1509913006.exe
PID 2180 wrote to memory of 1268	2180	sylsplvc.exe	1509913006.exe
PID 2180 wrote to memory of 636	2180	sylsplvc.exe	154374590.exe
PID 2180 wrote to memory of 636	2180	sylsplvc.exe	154374590.exe
PID 2180 wrote to memory of 636	2180	sylsplvc.exe	154374590.exe
PID 2180 wrote to memory of 636	2180	sylsplvc.exe	154374590.exe
PID 1268 wrote to memory of 1332	1268	1509913006.exe	1909919872.exe
PID 1268 wrote to memory of 1332	1268	1509913006.exe	1909919872.exe
PID 1268 wrote to memory of 1332	1268	1509913006.exe	1909919872.exe
PID 1268 wrote to memory of 1332	1268	1509913006.exe	1909919872.exe
PID 2180 wrote to memory of 832	2180	sylsplvc.exe	10342590.exe
PID 2180 wrote to memory of 832	2180	sylsplvc.exe	10342590.exe
PID 2180 wrote to memory of 832	2180	sylsplvc.exe	10342590.exe
PID 2180 wrote to memory of 832	2180	sylsplvc.exe	10342590.exe
PID 1268 wrote to memory of 1492	1268	1509913006.exe	1640510489.exe
PID 1268 wrote to memory of 1492	1268	1509913006.exe	1640510489.exe
PID 1268 wrote to memory of 1492	1268	1509913006.exe	1640510489.exe
PID 1268 wrote to memory of 1492	1268	1509913006.exe	1640510489.exe
PID 2180 wrote to memory of 1884	2180	sylsplvc.exe	398726892.exe
PID 2180 wrote to memory of 1884	2180	sylsplvc.exe	398726892.exe
PID 2180 wrote to memory of 1884	2180	sylsplvc.exe	398726892.exe
PID 2180 wrote to memory of 1884	2180	sylsplvc.exe	398726892.exe
PID 1268 wrote to memory of 2688	1268	1509913006.exe	291877980.exe
PID 1268 wrote to memory of 2688	1268	1509913006.exe	291877980.exe
PID 1268 wrote to memory of 2688	1268	1509913006.exe	291877980.exe
PID 1268 wrote to memory of 2688	1268	1509913006.exe	291877980.exe
PID 1268 wrote to memory of 2508	1268	1509913006.exe	1283831212.exe
PID 1268 wrote to memory of 2508	1268	1509913006.exe	1283831212.exe
PID 1268 wrote to memory of 2508	1268	1509913006.exe	1283831212.exe
PID 1268 wrote to memory of 2508	1268	1509913006.exe	1283831212.exe
PID 2548 wrote to memory of 3016	2548	wininet.exe	1725427398.exe
PID 2548 wrote to memory of 3016	2548	wininet.exe	1725427398.exe
PID 2548 wrote to memory of 3016	2548	wininet.exe	1725427398.exe
PID 2548 wrote to memory of 3016	2548	wininet.exe	1725427398.exe
PID 1268 wrote to memory of 1412	1268	1509913006.exe	646713270.exe
PID 1268 wrote to memory of 1412	1268	1509913006.exe	646713270.exe
PID 1268 wrote to memory of 1412	1268	1509913006.exe	646713270.exe
PID 1268 wrote to memory of 1412	1268	1509913006.exe	646713270.exe
PID 1412 wrote to memory of 1468	1412	646713270.exe	2161736688.exe
PID 1412 wrote to memory of 1468	1412	646713270.exe	2161736688.exe
PID 1412 wrote to memory of 1468	1412	646713270.exe	2161736688.exe
PID 1412 wrote to memory of 1468	1412	646713270.exe	2161736688.exe
PID 2496 wrote to memory of 1016	2496	powershell.exe	schtasks.exe
PID 2496 wrote to memory of 1016	2496	powershell.exe	schtasks.exe
PID 2496 wrote to memory of 1016	2496	powershell.exe	schtasks.exe
PID 1760 wrote to memory of 2648	1760	taskeng.exe	wupgrdsv.exe
PID 1760 wrote to memory of 2648	1760	taskeng.exe	wupgrdsv.exe
PID 1760 wrote to memory of 2648	1760	taskeng.exe	wupgrdsv.exe
PID 3020 wrote to memory of 2528	3020	powershell.exe	schtasks.exe
PID 3020 wrote to memory of 2528	3020	powershell.exe	schtasks.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:1284

C:\Users\Admin\AppData\Local\Temp\4c80e5212c71b86274b03c7e90df62a6.exe
"C:\Users\Admin\AppData\Local\Temp\4c80e5212c71b86274b03c7e90df62a6.exe"
2⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1940

C:\285482800611049\wininet.exe
C:\285482800611049\wininet.exe
3⤵
- Windows security bypass
- Executes dropped EXE
- Loads dropped DLL
- Windows security modification
- Suspicious use of WriteProcessMemory
PID:2548

C:\Users\Admin\AppData\Local\Temp\1983218823.exe
C:\Users\Admin\AppData\Local\Temp\1983218823.exe
4⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2704

C:\Windows\sylsplvc.exe
C:\Windows\sylsplvc.exe
5⤵
- Windows security bypass
- Executes dropped EXE
- Loads dropped DLL
- Windows security modification
- Suspicious use of WriteProcessMemory
PID:2180

C:\Users\Admin\AppData\Local\Temp\1509913006.exe
C:\Users\Admin\AppData\Local\Temp\1509913006.exe
6⤵
- Windows security bypass
- Executes dropped EXE
- Loads dropped DLL
- Windows security modification
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: SetClipboardViewer
- Suspicious use of WriteProcessMemory
PID:1268

C:\Users\Admin\AppData\Local\Temp\1909919872.exe
C:\Users\Admin\AppData\Local\Temp\1909919872.exe
7⤵
- Executes dropped EXE
PID:1332

C:\Users\Admin\AppData\Local\Temp\1640510489.exe
C:\Users\Admin\AppData\Local\Temp\1640510489.exe
7⤵
- Executes dropped EXE
PID:1492

C:\Users\Admin\AppData\Local\Temp\291877980.exe
C:\Users\Admin\AppData\Local\Temp\291877980.exe
7⤵
- Executes dropped EXE
PID:2688

C:\Users\Admin\AppData\Local\Temp\1283831212.exe
C:\Users\Admin\AppData\Local\Temp\1283831212.exe
7⤵
- Executes dropped EXE
PID:2508

C:\Users\Admin\AppData\Local\Temp\646713270.exe
C:\Users\Admin\AppData\Local\Temp\646713270.exe
7⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1412

C:\Users\Admin\AppData\Local\Temp\2161736688.exe
C:\Users\Admin\AppData\Local\Temp\2161736688.exe
8⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1468

C:\Users\Admin\AppData\Local\Temp\154374590.exe
C:\Users\Admin\AppData\Local\Temp\154374590.exe
6⤵
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- Drops file in Windows directory
PID:636

C:\Users\Admin\AppData\Local\Temp\10342590.exe
C:\Users\Admin\AppData\Local\Temp\10342590.exe
6⤵
- Executes dropped EXE
PID:832

C:\Users\Admin\AppData\Local\Temp\398726892.exe
C:\Users\Admin\AppData\Local\Temp\398726892.exe
6⤵
- Executes dropped EXE
PID:1884

C:\Users\Admin\AppData\Local\Temp\1725427398.exe
C:\Users\Admin\AppData\Local\Temp\1725427398.exe
4⤵
- Executes dropped EXE
PID:3016

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⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2496

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⤵
- Creates scheduled task(s)
PID:1016

C:\Windows\System32\schtasks.exe
C:\Windows\System32\schtasks.exe /run /tn "Windows Upgrade Manager"
2⤵
PID:1976

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⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3020

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⤵
- Creates scheduled task(s)
PID:2528

C:\Windows\System32\notepad.exe
C:\Windows\System32\notepad.exe
2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2440

C:\Windows\system32\taskeng.exe
taskeng.exe {0DCC0E22-3055-4481-8955-D7B9C2C3BCA0} S-1-5-21-2461186416-2307104501-1787948496-1000:MGILJUBR\Admin:Interactive:[1]
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1760

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:2648

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\NXAFS242\1[1]
Filesize
85KB

MD5
34a87206cee71119a2c6a02e0129718e

SHA1
806643ae1b7685d64c2796227229461c8d526cd6

SHA256
ecea49f9a754af7055b60a860acfd8ce2bc63048c947c9ee6324f07d45c4787d

SHA512
e83b0e003687ebe5d5df5bd405b12b267e07252838d1575dc390b409e03279f9d0ce4a4691971a9601f58d52e55af2fa8ea9596ace4bef246f9ef511b65cdbc3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\U4VLHPRO\2[1]
Filesize
14KB

MD5
fce292c79288067dc17919ed588c161c

SHA1
bb44fa2c95af5bbd11e49264a40c16d6f343fa21

SHA256
4ef8146d85d60c2867bdbe44304b5ba00cceb208f4c10c9f91183308e1da3828

SHA512
73dac29753044a720fc43b4ee19d320e06855167cdf0ebf329207aa16faa13fd6d2937bd87b54e544dd8d4c3da634773abd73769d3915154099ff01e6e03033e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\U4VLHPRO\5[1]
Filesize
8KB

MD5
561816e1c4e7fedcd14342d0b203c48b

SHA1
c833316b6415f277eabaf66f6edc71d41770e094

SHA256
e0ad6f3d6e5cb162a1658ba96c04e4df39adcf593b28f5d07222dbb02d7fbb18

SHA512
25be65e63b5b6d3e6d510c0310e2e5c1cea876bdb72226d9a6dfc0feff4f12d11b7a776042b87c7774f69b174be4e28065988199049d6670198e9e330f067fd5

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize
7KB

MD5
da4059036e0e555d5f76074887fc91c4

SHA1
8fb0264bc57f9dd2c50233b63aeed1fa9083092c

SHA256
5557324359c375ce9def2dfd61c54557af3817a494aa946c3a16b3191a2136ff

SHA512
9f375744bb6ba80499c943d57bb8368403bf2a9357bedb59be2911de1298b6910ed1761a7ed790722711bd4e453f26d6252869af9bdec0f6379980b1641aa979

Download Submit
\285482800611049\wininet.exe
Filesize
100KB

MD5
4c80e5212c71b86274b03c7e90df62a6

SHA1
27fb49e915fba0537c26f2e3643c8ed079cd5e45

SHA256
552ac0917f936b6075b045c778da6f150cde88ebd89c8dd98ab8d0f2bf6a9e17

SHA512
4135fc58ae7e2b6ad2ca82d955d2028f12dcdb97ac8388811f5e7687b0fa8e1845f383862ba2afd1170c1832f47536c615c4817ead432e2773fe0d18b4684453

Download Submit
\Users\Admin\AppData\Local\Temp\1509913006.exe
Filesize
85KB

MD5
10ffc145e1c09190a496a0e0527b4f3f

SHA1
e21fba21a11eecb4bc37638f48aed9f09d8912f6

SHA256
80b7e224f28c6160737a313221b9fc94d5f5e933ae1438afef4b5fae33185b2d

SHA512
bec357e73376f2e9e2963db5f7110a4c90de31a94edfaa7bf59c2f01b7bdd0c33e9a8024e995b7f0e67e332bc4aa0ec1280c7c28a24ba554772f8325e1badd1d

Download Submit
\Users\Admin\AppData\Local\Temp\154374590.exe
Filesize
14KB

MD5
2f4ab1a4a57649200550c0906d57bc28

SHA1
94bc52ed3921791630b2a001d9565b8f1bd3bd17

SHA256
baa6149b5b917ea3af1f7c77a65e26a34a191a31a9c79726bd60baf4656701fa

SHA512
ab1a59aa4c48f6c7fcf7950f4a68c3b89a56f266681a5aabd0df947af8340676e209d82ddd1997bfebd972b35ca235233b61231335aec4567f7b031e786ea7e8

Download Submit
\Users\Admin\AppData\Local\Temp\1725427398.exe
Filesize
79KB

MD5
ca57b9f2c47ab7d459f6c88d550e3e32

SHA1
a179d0c011a06f02aa0b24fa9ceaea10429da078

SHA256
937faa2f94fd8bf084196a0b354bb2dc364e557b70d682f183caf8cb0fdbd77b

SHA512
7950798db7601b96a585fd4e7a8f471944e7d09fa3a1cbc4ae256eb6d4817850ab3454d83a06b7c8449f6cd190b8206b6497a8570a2f010456c14e48651331df

Download Submit
\Users\Admin\AppData\Local\Temp\1983218823.exe
Filesize
79KB

MD5
1e8a2ed2e3f35620fb6b8c2a782a57f3

SHA1
e924ce6d147ecc8b30b7c7cad02e5c9ae09a743a

SHA256
3f16f4550826076b2c8cd7b392ee649aeb06740328658a2d30c3d2002c6b7879

SHA512
ce4dc7fdd7f81a7a127d650f9175292b287b4803d815d74b64a4e5125cff66224d75e7ecade1d9c0e42f870bdb49a78e9613b1a49675ab5bc098611b99b49ade

Download Submit
\Users\Admin\AppData\Local\Temp\2161736688.exe
Filesize
5.4MB

MD5
41ab08c1955fce44bfd0c76a64d1945a

SHA1
2b9cb05f4de5d98c541d15175d7f0199cbdd0eea

SHA256
dd12cb27b3867341bf6ca48715756500d3ec56c19b21bb1c1290806aa74cb493

SHA512
38834ae703a8541b4fec9a1db94cfe296ead58649bb1d4873b517df14d0c6a9d25e49ff04c2bf6bb0188845116a4e894aae930d849f9be8c98d2ce51da1ef116

Download Submit
\Users\Admin\AppData\Local\Temp\398726892.exe
Filesize
8KB

MD5
11861ff368cdb82536b9313e7301ce4f

SHA1
7691adefb0d65fcdd7803ce8896d183cd4edc3cf

SHA256
38a5e274bd63a97d2075a0f24b521dcce4f63e8e5faf3a458da1f227d38f485e

SHA512
379e174a6bb0fabaa5ac2acebb30d6032992cd1c943f41ded4613697b11b88e2b14ee060b49c2d676253bc0ae8095ac0df4ea8948dfd464a812d7721cd61b7f2

Download Submit
\Users\Admin\AppData\Local\Temp\646713270.exe
Filesize
6KB

MD5
0d539e8277f20391a31babff8714fdb0

SHA1
a4e63870aa5fd258dde4f02be70732c27f556fa9

SHA256
669035f4f05fe6ffc7722987c41f802f3a11298cb3a154b00c4e76df2ae5fe32

SHA512
700ff1733a064ddda80c0ac4702e50a8c0ddd97f154ff894f89d16603c02076a13e1a93ca51224579898cdf69e560a69dff60d4f5e26a479e74a3e3350f822ff

Download Submit
memory/1468-165-0x000000013F370000-0x000000013F8E6000-memory.dmp

Filesize
5.5MB

Download
memory/2440-193-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/2440-192-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/2440-187-0x00000000001F0000-0x0000000000210000-memory.dmp

Filesize
128KB

Download
memory/2440-186-0x00000000000B0000-0x00000000000D0000-memory.dmp

Filesize
128KB

Download
memory/2496-161-0x00000000022B0000-0x0000000002330000-memory.dmp

Filesize
512KB

Download
memory/2496-155-0x00000000025D0000-0x00000000025D8000-memory.dmp

Filesize
32KB

Download
memory/2496-162-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

Filesize
9.6MB

Download
memory/2496-159-0x00000000022B0000-0x0000000002330000-memory.dmp

Filesize
512KB

Download
memory/2496-158-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

Filesize
9.6MB

Download
memory/2496-154-0x000000001B0A0000-0x000000001B382000-memory.dmp

Filesize
2.9MB

Download
memory/2496-156-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

Filesize
9.6MB

Download
memory/2496-157-0x00000000022B0000-0x0000000002330000-memory.dmp

Filesize
512KB

Download
memory/2496-160-0x00000000022B0000-0x0000000002330000-memory.dmp

Filesize
512KB

Download
memory/2648-185-0x000000013F190000-0x000000013F706000-memory.dmp

Filesize
5.5MB

Download
memory/3020-178-0x000007FEF54B0000-0x000007FEF5E4D000-memory.dmp

Filesize
9.6MB

Download
memory/3020-180-0x0000000002760000-0x00000000027E0000-memory.dmp

Filesize
512KB

Download
memory/3020-181-0x0000000002760000-0x00000000027E0000-memory.dmp

Filesize
512KB

Download
memory/3020-182-0x000007FEF54B0000-0x000007FEF5E4D000-memory.dmp

Filesize
9.6MB

Download
memory/3020-179-0x0000000002760000-0x00000000027E0000-memory.dmp

Filesize
512KB

Download
memory/3020-177-0x0000000002760000-0x00000000027E0000-memory.dmp

Filesize
512KB

Download
memory/3020-176-0x00000000022A0000-0x00000000022A8000-memory.dmp

Filesize
32KB

Download
memory/3020-175-0x000007FEF54B0000-0x000007FEF5E4D000-memory.dmp

Filesize
9.6MB

Download
memory/3020-174-0x000000001B1C0000-0x000000001B4A2000-memory.dmp

Filesize
2.9MB

Download