phorphiex | 0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73

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18-04-2024 11:23

240418-nhhhhscg6v 10

18-04-2024 11:22

18-04-2024 11:22

18-04-2024 11:22

18-04-2024 11:22

18-04-2024 10:00

Analysis

max time kernel
300s
max time network
306s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
18-04-2024 10:00

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General

Target

0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exe
Size

104KB
MD5

e28889b5f98d8ed1a00835e1ca8a3b21
SHA1

b665e89468ac7ae566aa996aeec203b25bf24b0c
SHA256

0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73
SHA512

d3f1708274dd84045c46c3315aeba5c16f890d94ddfcda0df29e96bc3a0159ead0f8945898d6dde25ad01981e385a41b69b1bdfd700e08f47249bffece941cbd
SSDEEP

3072:Xl58BV2ZjooGTb5PjMdhS3KV3/jjKwcNHjo86r8X7FS8EFc:158BIFveZjMrS3q3/jjKwcNHjo86r8r6

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:

2942132728.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Start = "4" 2942132728.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"	2942132728.exe

Phorphiex payload 1 IoCs

Processes:

resource	yara_rule
C:\34731127130082\smss.exe	family_phorphiex

Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs

Processes:

1314511522.exewupgrdsv.exe

description	pid	process	target process
PID 4432 created 3548	4432	1314511522.exe	Explorer.EXE
PID 4432 created 3548	4432	1314511522.exe	Explorer.EXE
PID 4896 created 3548	4896	wupgrdsv.exe	Explorer.EXE
PID 4896 created 3548	4896	wupgrdsv.exe	Explorer.EXE

Windows security bypass 2 TTPs 24 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

smss.exesylsplvc.exe2942132728.exe594224553.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	smss.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\AntiVirusOverride = "1"	sylsplvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	2942132728.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	2942132728.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	594224553.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	594224553.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	smss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	594224553.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	594224553.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	smss.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\AntiVirusOverride = "1"	2942132728.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	2942132728.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	594224553.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	smss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	smss.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\AntiVirusDisableNotify = "1"	2942132728.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	2942132728.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	594224553.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	smss.exe

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

XMRig Miner payload 2 IoCs

miner

Processes:

resource	yara_rule
behavioral4/memory/4896-131-0x00007FF7F7F60000-0x00007FF7F84D6000-memory.dmp	xmrig
behavioral4/memory/5032-134-0x00007FF713410000-0x00007FF713BFF000-memory.dmp	xmrig

Downloads MZ/PE file

Executes dropped EXE 12 IoCs

Processes:

smss.exe1945026532.exesylsplvc.exe2942132728.exe594224553.exe274417143.exe364729695.exe3363430361.exe176222173.exe2664321359.exe1314511522.exewupgrdsv.exe

pid	process
1996	smss.exe
224	1945026532.exe
4564	sylsplvc.exe
1512	2942132728.exe
4216	594224553.exe
4376	274417143.exe
4484	364729695.exe
408	3363430361.exe
4088	176222173.exe
2448	2664321359.exe
4432	1314511522.exe
4896	wupgrdsv.exe

Windows security modification 2 TTPs 28 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

sylsplvc.exe2942132728.exesmss.exe594224553.exe

description	ioc	process
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"	2942132728.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	2942132728.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	smss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	smss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1"	594224553.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	smss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	smss.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"	2942132728.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	594224553.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1"	smss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	smss.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"	2942132728.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	smss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1"	2942132728.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	2942132728.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"	594224553.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\FirewallOverride = "1"	594224553.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"	2942132728.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	594224553.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	594224553.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	594224553.exe

Adds Run key to start application 2 TTPs 7 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exe1945026532.exe2942132728.exe594224553.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\34731127130082\\smss.exe"	0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\34731127130082\\smss.exe"	0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sylsplvc.exe"	1945026532.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysvpplvcr.exe"	2942132728.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Users\\Admin\\sysvpplvcr.exe"	2942132728.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Service = "C:\\Windows\\winakrosvsa.exe"	594224553.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Service = "C:\\Users\\Admin\\winakrosvsa.exe"	594224553.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

wupgrdsv.exe

description pid process target process

PID 4896 set thread context of 5032 4896 wupgrdsv.exe notepad.exe

description	pid	process	target process
PID 4896 set thread context of 5032	4896	wupgrdsv.exe	notepad.exe

Drops file in Windows directory 6 IoCs

Processes:

1945026532.exe2942132728.exe594224553.exe

description	ioc	process
File created	C:\Windows\sylsplvc.exe	1945026532.exe
File opened for modification	C:\Windows\sylsplvc.exe	1945026532.exe
File created	C:\Windows\sysvpplvcr.exe	2942132728.exe
File opened for modification	C:\Windows\sysvpplvcr.exe	2942132728.exe
File created	C:\Windows\winakrosvsa.exe	594224553.exe
File opened for modification	C:\Windows\winakrosvsa.exe	594224553.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

1314511522.exepowershell.exewupgrdsv.exepowershell.exe

pid	process
4432	1314511522.exe
4432	1314511522.exe
4276	powershell.exe
4276	powershell.exe
4432	1314511522.exe
4432	1314511522.exe
4896	wupgrdsv.exe
4896	wupgrdsv.exe
4080	powershell.exe
4080	powershell.exe
4896	wupgrdsv.exe
4896	wupgrdsv.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

pid process

656
Suspicious behavior: SetClipboardViewer 1 IoCs

Processes:

2942132728.exe

pid process

1512 2942132728.exe

pid	process
656

pid	process
1512	2942132728.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

powershell.exe

description	pid	process
Token: SeDebugPrivilege	4276	powershell.exe
Token: SeIncreaseQuotaPrivilege	4276	powershell.exe
Token: SeSecurityPrivilege	4276	powershell.exe
Token: SeTakeOwnershipPrivilege	4276	powershell.exe
Token: SeLoadDriverPrivilege	4276	powershell.exe
Token: SeSystemProfilePrivilege	4276	powershell.exe
Token: SeSystemtimePrivilege	4276	powershell.exe
Token: SeProfSingleProcessPrivilege	4276	powershell.exe
Token: SeIncBasePriorityPrivilege	4276	powershell.exe
Token: SeCreatePagefilePrivilege	4276	powershell.exe
Token: SeBackupPrivilege	4276	powershell.exe
Token: SeRestorePrivilege	4276	powershell.exe
Token: SeShutdownPrivilege	4276	powershell.exe
Token: SeDebugPrivilege	4276	powershell.exe
Token: SeSystemEnvironmentPrivilege	4276	powershell.exe
Token: SeRemoteShutdownPrivilege	4276	powershell.exe
Token: SeUndockPrivilege	4276	powershell.exe
Token: SeManageVolumePrivilege	4276	powershell.exe
Token: 33	4276	powershell.exe
Token: 34	4276	powershell.exe
Token: 35	4276	powershell.exe
Token: 36	4276	powershell.exe
Token: SeIncreaseQuotaPrivilege	4276	powershell.exe
Token: SeSecurityPrivilege	4276	powershell.exe
Token: SeTakeOwnershipPrivilege	4276	powershell.exe
Token: SeLoadDriverPrivilege	4276	powershell.exe
Token: SeSystemProfilePrivilege	4276	powershell.exe
Token: SeSystemtimePrivilege	4276	powershell.exe
Token: SeProfSingleProcessPrivilege	4276	powershell.exe
Token: SeIncBasePriorityPrivilege	4276	powershell.exe
Token: SeCreatePagefilePrivilege	4276	powershell.exe
Token: SeBackupPrivilege	4276	powershell.exe
Token: SeRestorePrivilege	4276	powershell.exe
Token: SeShutdownPrivilege	4276	powershell.exe
Token: SeDebugPrivilege	4276	powershell.exe
Token: SeSystemEnvironmentPrivilege	4276	powershell.exe
Token: SeRemoteShutdownPrivilege	4276	powershell.exe
Token: SeUndockPrivilege	4276	powershell.exe
Token: SeManageVolumePrivilege	4276	powershell.exe
Token: 33	4276	powershell.exe
Token: 34	4276	powershell.exe
Token: 35	4276	powershell.exe
Token: 36	4276	powershell.exe
Token: SeIncreaseQuotaPrivilege	4276	powershell.exe
Token: SeSecurityPrivilege	4276	powershell.exe
Token: SeTakeOwnershipPrivilege	4276	powershell.exe
Token: SeLoadDriverPrivilege	4276	powershell.exe
Token: SeSystemProfilePrivilege	4276	powershell.exe
Token: SeSystemtimePrivilege	4276	powershell.exe
Token: SeProfSingleProcessPrivilege	4276	powershell.exe
Token: SeIncBasePriorityPrivilege	4276	powershell.exe
Token: SeCreatePagefilePrivilege	4276	powershell.exe
Token: SeBackupPrivilege	4276	powershell.exe
Token: SeRestorePrivilege	4276	powershell.exe
Token: SeShutdownPrivilege	4276	powershell.exe
Token: SeDebugPrivilege	4276	powershell.exe
Token: SeSystemEnvironmentPrivilege	4276	powershell.exe
Token: SeRemoteShutdownPrivilege	4276	powershell.exe
Token: SeUndockPrivilege	4276	powershell.exe
Token: SeManageVolumePrivilege	4276	powershell.exe
Token: 33	4276	powershell.exe
Token: 34	4276	powershell.exe
Token: 35	4276	powershell.exe
Token: 36	4276	powershell.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exesmss.exe1945026532.exesylsplvc.exe2942132728.exe2664321359.exewupgrdsv.exe

description	pid	process	target process
PID 1736 wrote to memory of 1996	1736	0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exe	smss.exe
PID 1736 wrote to memory of 1996	1736	0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exe	smss.exe
PID 1736 wrote to memory of 1996	1736	0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exe	smss.exe
PID 1996 wrote to memory of 224	1996	smss.exe	1945026532.exe
PID 1996 wrote to memory of 224	1996	smss.exe	1945026532.exe
PID 1996 wrote to memory of 224	1996	smss.exe	1945026532.exe
PID 224 wrote to memory of 4564	224	1945026532.exe	sylsplvc.exe
PID 224 wrote to memory of 4564	224	1945026532.exe	sylsplvc.exe
PID 224 wrote to memory of 4564	224	1945026532.exe	sylsplvc.exe
PID 4564 wrote to memory of 1512	4564	sylsplvc.exe	2942132728.exe
PID 4564 wrote to memory of 1512	4564	sylsplvc.exe	2942132728.exe
PID 4564 wrote to memory of 1512	4564	sylsplvc.exe	2942132728.exe
PID 4564 wrote to memory of 4216	4564	sylsplvc.exe	594224553.exe
PID 4564 wrote to memory of 4216	4564	sylsplvc.exe	594224553.exe
PID 4564 wrote to memory of 4216	4564	sylsplvc.exe	594224553.exe
PID 1512 wrote to memory of 4376	1512	2942132728.exe	274417143.exe
PID 1512 wrote to memory of 4376	1512	2942132728.exe	274417143.exe
PID 1512 wrote to memory of 4376	1512	2942132728.exe	274417143.exe
PID 4564 wrote to memory of 4484	4564	sylsplvc.exe	364729695.exe
PID 4564 wrote to memory of 4484	4564	sylsplvc.exe	364729695.exe
PID 4564 wrote to memory of 4484	4564	sylsplvc.exe	364729695.exe
PID 1512 wrote to memory of 408	1512	2942132728.exe	3363430361.exe
PID 1512 wrote to memory of 408	1512	2942132728.exe	3363430361.exe
PID 1512 wrote to memory of 408	1512	2942132728.exe	3363430361.exe
PID 1512 wrote to memory of 4088	1512	2942132728.exe	176222173.exe
PID 1512 wrote to memory of 4088	1512	2942132728.exe	176222173.exe
PID 1512 wrote to memory of 4088	1512	2942132728.exe	176222173.exe
PID 1512 wrote to memory of 2448	1512	2942132728.exe	2664321359.exe
PID 1512 wrote to memory of 2448	1512	2942132728.exe	2664321359.exe
PID 1512 wrote to memory of 2448	1512	2942132728.exe	2664321359.exe
PID 2448 wrote to memory of 4432	2448	2664321359.exe	1314511522.exe
PID 2448 wrote to memory of 4432	2448	2664321359.exe	1314511522.exe
PID 4896 wrote to memory of 5032	4896	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:3548

C:\Users\Admin\AppData\Local\Temp\0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exe
"C:\Users\Admin\AppData\Local\Temp\0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1736

C:\34731127130082\smss.exe
C:\34731127130082\smss.exe
3⤵
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Suspicious use of WriteProcessMemory
PID:1996

C:\Users\Admin\AppData\Local\Temp\1945026532.exe
C:\Users\Admin\AppData\Local\Temp\1945026532.exe
4⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:224

C:\Windows\sylsplvc.exe
C:\Windows\sylsplvc.exe
5⤵
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Suspicious use of WriteProcessMemory
PID:4564

C:\Users\Admin\AppData\Local\Temp\2942132728.exe
C:\Users\Admin\AppData\Local\Temp\2942132728.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:1512

C:\Users\Admin\AppData\Local\Temp\274417143.exe
C:\Users\Admin\AppData\Local\Temp\274417143.exe
7⤵
- Executes dropped EXE
PID:4376

C:\Users\Admin\AppData\Local\Temp\3363430361.exe
C:\Users\Admin\AppData\Local\Temp\3363430361.exe
7⤵
- Executes dropped EXE
PID:408

C:\Users\Admin\AppData\Local\Temp\176222173.exe
C:\Users\Admin\AppData\Local\Temp\176222173.exe
7⤵
- Executes dropped EXE
PID:4088

C:\Users\Admin\AppData\Local\Temp\2664321359.exe
C:\Users\Admin\AppData\Local\Temp\2664321359.exe
7⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2448

C:\Users\Admin\AppData\Local\Temp\1314511522.exe
C:\Users\Admin\AppData\Local\Temp\1314511522.exe
8⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4432

C:\Users\Admin\AppData\Local\Temp\594224553.exe
C:\Users\Admin\AppData\Local\Temp\594224553.exe
6⤵
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- Drops file in Windows directory
PID:4216

C:\Users\Admin\AppData\Local\Temp\364729695.exe
C:\Users\Admin\AppData\Local\Temp\364729695.exe
6⤵
- Executes dropped EXE
PID:4484

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:4276

C:\Windows\System32\schtasks.exe
C:\Windows\System32\schtasks.exe /run /tn "Windows Upgrade Manager"
2⤵
PID:4044

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:4080

C:\Windows\System32\notepad.exe
C:\Windows\System32\notepad.exe
2⤵
PID:5032

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:4896

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\34731127130082\smss.exe
Filesize
104KB

MD5
e28889b5f98d8ed1a00835e1ca8a3b21

SHA1
b665e89468ac7ae566aa996aeec203b25bf24b0c

SHA256
0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73

SHA512
d3f1708274dd84045c46c3315aeba5c16f890d94ddfcda0df29e96bc3a0159ead0f8945898d6dde25ad01981e385a41b69b1bdfd700e08f47249bffece941cbd

Download Submit
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\KSFFBTFL\2[1]
Filesize
14KB

MD5
fce292c79288067dc17919ed588c161c

SHA1
bb44fa2c95af5bbd11e49264a40c16d6f343fa21

SHA256
4ef8146d85d60c2867bdbe44304b5ba00cceb208f4c10c9f91183308e1da3828

SHA512
73dac29753044a720fc43b4ee19d320e06855167cdf0ebf329207aa16faa13fd6d2937bd87b54e544dd8d4c3da634773abd73769d3915154099ff01e6e03033e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\Z8NKIUZO\1[1]
Filesize
81KB

MD5
01e5faba64d8e9a9c187831fdc819f4c

SHA1
350a1a2bf237e64f43716262f99c632f5e01ba62

SHA256
7f4f76bd8fa91a71ce7999f9bbd0f7a63ca82d4e96b4d99cfad98edde1d85450

SHA512
f4bc09ab9e4579b82707d6420e3b9df9ec4fd77e11ce5eb8304b45e3b5c9403c01de4e50f3c7f03f00f3ebc921646794638dccfded199bfe5f3fd727f3e57782

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\Z8NKIUZO\5[1]
Filesize
8KB

MD5
145fc3dbf778aa2ba80af3d74eabfad6

SHA1
13dfeadb4b38c461f8b9d25853c0cae5d9a65f7c

SHA256
5ab3bcaff0514c89388ea4958197ab0ff5bcc5999e1b95d830bc72da94bd4200

SHA512
9bd7d50d489c4fc57ee1a0d3ad3cd2d29ca20f8ad1e46668a36d7ecced42db03a6980b039a2aeb7a1e1761aef89d994d73a497043ba744678290a8a9772a6306

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
1KB

MD5
2ac3c9ba89b8c2ef19c601ecebb82157

SHA1
a239a4b11438c00e5ff89ebd4a804ede6a01935b

SHA256
3c2714ce07f8c04b3f8222dfe50d8ae08f548b0e6e79fe33d08bf6f4c2e5143e

SHA512
b1221d29e747b37071761b2509e9109b522cce6411f73f27c9428ac332d26b9f413ae6b8c0aeac1afb7fab2d0b3b1c4af189da12fe506287596df2ef8f083432

Download Submit
C:\Users\Admin\AppData\Local\Temp\1314511522.exe
Filesize
5.4MB

MD5
41ab08c1955fce44bfd0c76a64d1945a

SHA1
2b9cb05f4de5d98c541d15175d7f0199cbdd0eea

SHA256
dd12cb27b3867341bf6ca48715756500d3ec56c19b21bb1c1290806aa74cb493

SHA512
38834ae703a8541b4fec9a1db94cfe296ead58649bb1d4873b517df14d0c6a9d25e49ff04c2bf6bb0188845116a4e894aae930d849f9be8c98d2ce51da1ef116

Download Submit
C:\Users\Admin\AppData\Local\Temp\1945026532.exe
Filesize
79KB

MD5
1e8a2ed2e3f35620fb6b8c2a782a57f3

SHA1
e924ce6d147ecc8b30b7c7cad02e5c9ae09a743a

SHA256
3f16f4550826076b2c8cd7b392ee649aeb06740328658a2d30c3d2002c6b7879

SHA512
ce4dc7fdd7f81a7a127d650f9175292b287b4803d815d74b64a4e5125cff66224d75e7ecade1d9c0e42f870bdb49a78e9613b1a49675ab5bc098611b99b49ade

Download Submit
C:\Users\Admin\AppData\Local\Temp\2664321359.exe
Filesize
6KB

MD5
0d539e8277f20391a31babff8714fdb0

SHA1
a4e63870aa5fd258dde4f02be70732c27f556fa9

SHA256
669035f4f05fe6ffc7722987c41f802f3a11298cb3a154b00c4e76df2ae5fe32

SHA512
700ff1733a064ddda80c0ac4702e50a8c0ddd97f154ff894f89d16603c02076a13e1a93ca51224579898cdf69e560a69dff60d4f5e26a479e74a3e3350f822ff

Download Submit
C:\Users\Admin\AppData\Local\Temp\2942132728.exe
Filesize
81KB

MD5
f4713c8ac5fc1e4919156157e7bece19

SHA1
7bd9e35b1d1210183bbb4fe1995895cbc1692c62

SHA256
2be2206e079516c8cfa50bbc86f8a431898aa90dd73f7cfc6af1d21573247c4b

SHA512
ecff8f3af212f444b5f44fd3bfd922556a49b9156fd7a20e13ebc60b4abe08b9d193a49556d4a8e776ef8083db77ab9667ec537dd44f863719e83cb3899cb46f

Download Submit
C:\Users\Admin\AppData\Local\Temp\3363430361.exe
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
C:\Users\Admin\AppData\Local\Temp\364729695.exe
Filesize
8KB

MD5
c34a248f132e739652407b0aa8c978cd

SHA1
f7f05357fd6ab2d1a11e3427ee46626bb6ad94ee

SHA256
4c9c53256ff65c9930c38b193537ad510930c25052231c7eef3715057b79e578

SHA512
f7999e8b903fbc2e715d6d7e7bb0bc421cef79dbd61f6d94f18fa63c99a420d2a70d4b23fa0b8ec05d073c954aec718be588ada718bb0f5aacd618ad815f2703

Download Submit
C:\Users\Admin\AppData\Local\Temp\594224553.exe
Filesize
14KB

MD5
2f4ab1a4a57649200550c0906d57bc28

SHA1
94bc52ed3921791630b2a001d9565b8f1bd3bd17

SHA256
baa6149b5b917ea3af1f7c77a65e26a34a191a31a9c79726bd60baf4656701fa

SHA512
ab1a59aa4c48f6c7fcf7950f4a68c3b89a56f266681a5aabd0df947af8340676e209d82ddd1997bfebd972b35ca235233b61231335aec4567f7b031e786ea7e8

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kb2nk0tg.sn0.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4080-114-0x0000020DBB430000-0x0000020DBB440000-memory.dmp

Filesize
64KB

Download
memory/4080-113-0x00007FFFF0130000-0x00007FFFF0BF1000-memory.dmp

Filesize
10.8MB

Download
memory/4080-128-0x00007FFFF0130000-0x00007FFFF0BF1000-memory.dmp

Filesize
10.8MB

Download
memory/4080-126-0x0000020DBB430000-0x0000020DBB440000-memory.dmp

Filesize
64KB

Download
memory/4080-120-0x0000020DBB430000-0x0000020DBB440000-memory.dmp

Filesize
64KB

Download
memory/4276-101-0x00007FFFF0130000-0x00007FFFF0BF1000-memory.dmp

Filesize
10.8MB

Download
memory/4276-103-0x000001E0A7920000-0x000001E0A7930000-memory.dmp

Filesize
64KB

Download
memory/4276-102-0x000001E0A7920000-0x000001E0A7930000-memory.dmp

Filesize
64KB

Download
memory/4276-91-0x000001E0A78F0000-0x000001E0A7912000-memory.dmp

Filesize
136KB

Download
memory/4276-107-0x00007FFFF0130000-0x00007FFFF0BF1000-memory.dmp

Filesize
10.8MB

Download
memory/4276-104-0x000001E0A7920000-0x000001E0A7930000-memory.dmp

Filesize
64KB

Download
memory/4432-110-0x00007FF78B290000-0x00007FF78B806000-memory.dmp

Filesize
5.5MB

Download
memory/4896-131-0x00007FF7F7F60000-0x00007FF7F84D6000-memory.dmp

Filesize
5.5MB

Download
memory/5032-132-0x000001D97EDE0000-0x000001D97EE00000-memory.dmp

Filesize
128KB

Download
memory/5032-133-0x000001D97EE20000-0x000001D97EE60000-memory.dmp

Filesize
256KB

Download
memory/5032-134-0x00007FF713410000-0x00007FF713BFF000-memory.dmp

Filesize
7.9MB

Download