phorphiex | 44ffdb33876a0ea3ceec4348686ea94d204ed62428929ed565ed5b5dde064558

Analysis

max time kernel
119s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-08-2024 17:22

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General

Target

2b17efc643286fc7e12691516863b240N.exe
Size

550KB
MD5

2b17efc643286fc7e12691516863b240
SHA1

bf132fd0430995ac7d147c6629266ed4d58831f9
SHA256

44ffdb33876a0ea3ceec4348686ea94d204ed62428929ed565ed5b5dde064558
SHA512

9ef18727a62cadffcd4d8a556c8c45d4015811cdc006eebddfecc6b58bb8fddf2ab373ea634300d0ad197affc449978558ceedc735516a4c402812e7990729e0
SSDEEP

12288:9vP+BNSebhEFoUbElY7dx0Gyz1batvexYw:YhiFoUbEwdngxYw

Score

10^/10

phorphiex xmrig discovery evasion execution loader miner persistence trojan worm

Malware Config

Extracted

Family

phorphiex

http://185.215.113.66/

http://91.202.233.141/

Wallets

0xCa90599132C4D88907Bd8E046540284aa468a035

TRuGGXNDM1cavQ1AqMQHG8yfxP4QWVSMN6

qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

XryzFMFVpDUvU7famUGf214EXD3xNUSmQf

LLeT2zkStY3cvxMBFhoWXkG5VuZPoezduv

rwc4LVd9ABpULQ1CuCpDkgX2xVB1fUijyb

4AtjkCVKbtEC3UEN77SQHuH9i1XkzNiRi5VCbA2XGsJh46nJSXfGQn4GjLuupCqmC57Lo7LvKmFUyRfhtJSvKvuw3h9ReKK

15TssKwtjMtwy4vDLcLsQUZUD2B9f7eDjw85sBNVC5LRPPnC

17hgMFyLDwMjxWqw5GhijhnPdJDyFDqecY

ltc1qt0n3f0t7vz9k0mvcswk477shrxwjhf9sj5ykrp

3PMiLynrGVZ8oEqvoqC4hXD67B1WoALR4pc

3FerB8kUraAVGCVCNkgv57zTBjUGjAUkU3

DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA

t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh

stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj

bnb1epx67ne4vckqmaj4gwke8m322f4yjr6eh52wqw

bc1qmpkehfffkr6phuklsksnd7nhgx0369sxu772m3

bitcoincash:qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

GBQJMXYXPRIWFMXIFJR35ZB7LRKMB4PHCIUAUFR3TKUL6RDBZVLZEUJ3

Attributes

mutex
x88767657x
user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Signatures

Modifies security service 2 TTPs 1 IoCs
evasion

Modify Registry
T1112

Windows Service
T1543.003

Processes:

sysmysldrv.exe

description ioc process

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

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

Phorphiex payload 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\643033748.exe	family_phorphiex

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

Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs

Processes:

3488632113.exewupgrdsv.exe

description	pid	process	target process
PID 2836 created 3596	2836	3488632113.exe	Explorer.EXE
PID 2836 created 3596	2836	3488632113.exe	Explorer.EXE
PID 2636 created 3596	2636	wupgrdsv.exe	Explorer.EXE
PID 2636 created 3596	2636	wupgrdsv.exe	Explorer.EXE

Windows security bypass 2 TTPs 6 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

sysmysldrv.exe

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

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

XMRig Miner payload 9 IoCs

miner

Processes:

resource	yara_rule
behavioral2/memory/2636-100-0x00007FF7EDC70000-0x00007FF7EE1E6000-memory.dmp	xmrig
behavioral2/memory/4024-102-0x00007FF67F5B0000-0x00007FF67FD9F000-memory.dmp	xmrig
behavioral2/memory/4024-103-0x00007FF67F5B0000-0x00007FF67FD9F000-memory.dmp	xmrig
behavioral2/memory/4024-104-0x00007FF67F5B0000-0x00007FF67FD9F000-memory.dmp	xmrig
behavioral2/memory/4024-105-0x00007FF67F5B0000-0x00007FF67FD9F000-memory.dmp	xmrig
behavioral2/memory/4024-107-0x00007FF67F5B0000-0x00007FF67FD9F000-memory.dmp	xmrig
behavioral2/memory/4024-108-0x00007FF67F5B0000-0x00007FF67FD9F000-memory.dmp	xmrig
behavioral2/memory/4024-109-0x00007FF67F5B0000-0x00007FF67FD9F000-memory.dmp	xmrig
behavioral2/memory/4024-110-0x00007FF67F5B0000-0x00007FF67FD9F000-memory.dmp	xmrig

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exepowershell.exe

pid process

4964 powershell.exe
4380 powershell.exe
2088 powershell.exe
Downloads MZ/PE file
Stops running service(s) 4 TTPs
evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

sysmysldrv.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	sysmysldrv.exe

Executes dropped EXE 6 IoCs

Processes:

5B79.exe643033748.exesysmysldrv.exe151145917.exe3488632113.exewupgrdsv.exe

pid process

2584 5B79.exe
3716 643033748.exe
3744 sysmysldrv.exe
4848 151145917.exe
2836 3488632113.exe
2636 wupgrdsv.exe

pid	process
2584	5B79.exe
3716	643033748.exe
3744	sysmysldrv.exe
4848	151145917.exe
2836	3488632113.exe
2636	wupgrdsv.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

sysmysldrv.exe

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

643033748.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysmysldrv.exe"	643033748.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

wupgrdsv.exe

description pid process target process

PID 2636 set thread context of 4024 2636 wupgrdsv.exe notepad.exe
Drops file in Windows directory 2 IoCs

Processes:

643033748.exe

description ioc process

File created C:\Windows\sysmysldrv.exe 643033748.exe
File opened for modification C:\Windows\sysmysldrv.exe 643033748.exe
Launches sc.exe 5 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exesc.exesc.exesc.exe

pid process

2728 sc.exe
2836 sc.exe
4824 sc.exe
4560 sc.exe
2024 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	pid	process	target process
PID 2636 set thread context of 4024	2636	wupgrdsv.exe	notepad.exe

description	ioc	process
File created	C:\Windows\sysmysldrv.exe	643033748.exe
File opened for modification	C:\Windows\sysmysldrv.exe	643033748.exe

pid	process
2728	sc.exe
2836	sc.exe
4824	sc.exe
4560	sc.exe
2024	sc.exe

System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

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

discovery

System Language Discovery

T1614.001

Processes:

643033748.exesysmysldrv.execmd.execmd.exepowershell.exesc.exe5B79.exesc.exesc.exesc.exesc.exe151145917.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	643033748.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sysmysldrv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5B79.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	151145917.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

Processes:

powershell.exe3488632113.exepowershell.exewupgrdsv.exepowershell.exe

pid	process
4964	powershell.exe
4964	powershell.exe
4964	powershell.exe
2836	3488632113.exe
2836	3488632113.exe
4380	powershell.exe
4380	powershell.exe
4380	powershell.exe
2836	3488632113.exe
2836	3488632113.exe
2636	wupgrdsv.exe
2636	wupgrdsv.exe
2088	powershell.exe
2088	powershell.exe
2088	powershell.exe
2636	wupgrdsv.exe
2636	wupgrdsv.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

powershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	4964	powershell.exe
Token: SeDebugPrivilege	4380	powershell.exe
Token: SeIncreaseQuotaPrivilege	4380	powershell.exe
Token: SeSecurityPrivilege	4380	powershell.exe
Token: SeTakeOwnershipPrivilege	4380	powershell.exe
Token: SeLoadDriverPrivilege	4380	powershell.exe
Token: SeSystemProfilePrivilege	4380	powershell.exe
Token: SeSystemtimePrivilege	4380	powershell.exe
Token: SeProfSingleProcessPrivilege	4380	powershell.exe
Token: SeIncBasePriorityPrivilege	4380	powershell.exe
Token: SeCreatePagefilePrivilege	4380	powershell.exe
Token: SeBackupPrivilege	4380	powershell.exe
Token: SeRestorePrivilege	4380	powershell.exe
Token: SeShutdownPrivilege	4380	powershell.exe
Token: SeDebugPrivilege	4380	powershell.exe
Token: SeSystemEnvironmentPrivilege	4380	powershell.exe
Token: SeRemoteShutdownPrivilege	4380	powershell.exe
Token: SeUndockPrivilege	4380	powershell.exe
Token: SeManageVolumePrivilege	4380	powershell.exe
Token: 33	4380	powershell.exe
Token: 34	4380	powershell.exe
Token: 35	4380	powershell.exe
Token: 36	4380	powershell.exe
Token: SeIncreaseQuotaPrivilege	4380	powershell.exe
Token: SeSecurityPrivilege	4380	powershell.exe
Token: SeTakeOwnershipPrivilege	4380	powershell.exe
Token: SeLoadDriverPrivilege	4380	powershell.exe
Token: SeSystemProfilePrivilege	4380	powershell.exe
Token: SeSystemtimePrivilege	4380	powershell.exe
Token: SeProfSingleProcessPrivilege	4380	powershell.exe
Token: SeIncBasePriorityPrivilege	4380	powershell.exe
Token: SeCreatePagefilePrivilege	4380	powershell.exe
Token: SeBackupPrivilege	4380	powershell.exe
Token: SeRestorePrivilege	4380	powershell.exe
Token: SeShutdownPrivilege	4380	powershell.exe
Token: SeDebugPrivilege	4380	powershell.exe
Token: SeSystemEnvironmentPrivilege	4380	powershell.exe
Token: SeRemoteShutdownPrivilege	4380	powershell.exe
Token: SeUndockPrivilege	4380	powershell.exe
Token: SeManageVolumePrivilege	4380	powershell.exe
Token: 33	4380	powershell.exe
Token: 34	4380	powershell.exe
Token: 35	4380	powershell.exe
Token: 36	4380	powershell.exe
Token: SeIncreaseQuotaPrivilege	4380	powershell.exe
Token: SeSecurityPrivilege	4380	powershell.exe
Token: SeTakeOwnershipPrivilege	4380	powershell.exe
Token: SeLoadDriverPrivilege	4380	powershell.exe
Token: SeSystemProfilePrivilege	4380	powershell.exe
Token: SeSystemtimePrivilege	4380	powershell.exe
Token: SeProfSingleProcessPrivilege	4380	powershell.exe
Token: SeIncBasePriorityPrivilege	4380	powershell.exe
Token: SeCreatePagefilePrivilege	4380	powershell.exe
Token: SeBackupPrivilege	4380	powershell.exe
Token: SeRestorePrivilege	4380	powershell.exe
Token: SeShutdownPrivilege	4380	powershell.exe
Token: SeDebugPrivilege	4380	powershell.exe
Token: SeSystemEnvironmentPrivilege	4380	powershell.exe
Token: SeRemoteShutdownPrivilege	4380	powershell.exe
Token: SeUndockPrivilege	4380	powershell.exe
Token: SeManageVolumePrivilege	4380	powershell.exe
Token: 33	4380	powershell.exe
Token: 34	4380	powershell.exe
Token: 35	4380	powershell.exe

Suspicious use of FindShellTrayWindow 59 IoCs

Processes:

notepad.exe

pid	process
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe

Suspicious use of SendNotifyMessage 59 IoCs

Processes:

notepad.exe

pid	process
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe
4024	notepad.exe

Suspicious use of WriteProcessMemory 39 IoCs

Processes:

2b17efc643286fc7e12691516863b240N.exe5B79.exe643033748.exesysmysldrv.execmd.execmd.exe151145917.exewupgrdsv.exe

description	pid	process	target process
PID 1988 wrote to memory of 2584	1988	2b17efc643286fc7e12691516863b240N.exe	5B79.exe
PID 1988 wrote to memory of 2584	1988	2b17efc643286fc7e12691516863b240N.exe	5B79.exe
PID 1988 wrote to memory of 2584	1988	2b17efc643286fc7e12691516863b240N.exe	5B79.exe
PID 2584 wrote to memory of 3716	2584	5B79.exe	643033748.exe
PID 2584 wrote to memory of 3716	2584	5B79.exe	643033748.exe
PID 2584 wrote to memory of 3716	2584	5B79.exe	643033748.exe
PID 3716 wrote to memory of 3744	3716	643033748.exe	sysmysldrv.exe
PID 3716 wrote to memory of 3744	3716	643033748.exe	sysmysldrv.exe
PID 3716 wrote to memory of 3744	3716	643033748.exe	sysmysldrv.exe
PID 3744 wrote to memory of 4528	3744	sysmysldrv.exe	cmd.exe
PID 3744 wrote to memory of 4528	3744	sysmysldrv.exe	cmd.exe
PID 3744 wrote to memory of 4528	3744	sysmysldrv.exe	cmd.exe
PID 3744 wrote to memory of 4532	3744	sysmysldrv.exe	cmd.exe
PID 3744 wrote to memory of 4532	3744	sysmysldrv.exe	cmd.exe
PID 3744 wrote to memory of 4532	3744	sysmysldrv.exe	cmd.exe
PID 4528 wrote to memory of 4964	4528	cmd.exe	powershell.exe
PID 4528 wrote to memory of 4964	4528	cmd.exe	powershell.exe
PID 4528 wrote to memory of 4964	4528	cmd.exe	powershell.exe
PID 4532 wrote to memory of 2024	4532	cmd.exe	sc.exe
PID 4532 wrote to memory of 2024	4532	cmd.exe	sc.exe
PID 4532 wrote to memory of 2024	4532	cmd.exe	sc.exe
PID 4532 wrote to memory of 2728	4532	cmd.exe	sc.exe
PID 4532 wrote to memory of 2728	4532	cmd.exe	sc.exe
PID 4532 wrote to memory of 2728	4532	cmd.exe	sc.exe
PID 4532 wrote to memory of 2836	4532	cmd.exe	sc.exe
PID 4532 wrote to memory of 2836	4532	cmd.exe	sc.exe
PID 4532 wrote to memory of 2836	4532	cmd.exe	sc.exe
PID 4532 wrote to memory of 4824	4532	cmd.exe	sc.exe
PID 4532 wrote to memory of 4824	4532	cmd.exe	sc.exe
PID 4532 wrote to memory of 4824	4532	cmd.exe	sc.exe
PID 4532 wrote to memory of 4560	4532	cmd.exe	sc.exe
PID 4532 wrote to memory of 4560	4532	cmd.exe	sc.exe
PID 4532 wrote to memory of 4560	4532	cmd.exe	sc.exe
PID 3744 wrote to memory of 4848	3744	sysmysldrv.exe	151145917.exe
PID 3744 wrote to memory of 4848	3744	sysmysldrv.exe	151145917.exe
PID 3744 wrote to memory of 4848	3744	sysmysldrv.exe	151145917.exe
PID 4848 wrote to memory of 2836	4848	151145917.exe	3488632113.exe
PID 4848 wrote to memory of 2836	4848	151145917.exe	3488632113.exe
PID 2636 wrote to memory of 4024	2636	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:3596
- C:\Users\Admin\AppData\Local\Temp\2b17efc643286fc7e12691516863b240N.exe
  "C:\Users\Admin\AppData\Local\Temp\2b17efc643286fc7e12691516863b240N.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1988
- - C:\Users\Admin\AppData\Local\Temp\5B79.exe
    "C:\Users\Admin\AppData\Local\Temp\5B79.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2584
  - - C:\Users\Admin\AppData\Local\Temp\643033748.exe
      C:\Users\Admin\AppData\Local\Temp\643033748.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3716
    - - C:\Windows\sysmysldrv.exe
        
        C:\Windows\sysmysldrv.exe
        5⤵
        Modifies security service
        Windows security bypass
        Checks computer location settings
        Executes dropped EXE
        Windows security modification
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:3744
      - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c powershell -Command "Add-MpPreference -ExclusionPath $env:windir; Add-MpPreference -ExclusionPath $env:TEMP; Add-MpPreference -ExclusionPath $env:USERPROFILE"
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4528
        
        C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -Command "Add-MpPreference -ExclusionPath $env:windir; Add-MpPreference -ExclusionPath $env:TEMP; Add-MpPreference -ExclusionPath $env:USERPROFILE"
        7⤵
        Command and Scripting Interpreter: PowerShell
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:4964
      - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c sc stop UsoSvc & sc stop WaaSMedicSvc & sc stop wuauserv & sc stop DoSvc & sc stop BITS
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4532
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop UsoSvc
        7⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:2024
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop WaaSMedicSvc
        7⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:2728
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop wuauserv
        7⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:2836
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop DoSvc
        7⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:4824
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop BITS
        7⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:4560
      - C:\Users\Admin\AppData\Local\Temp\151145917.exe
        
        C:\Users\Admin\AppData\Local\Temp\151145917.exe
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4848
        
        C:\Users\Admin\AppData\Local\Temp\3488632113.exe
        
        C:\Users\Admin\AppData\Local\Temp\3488632113.exe
        7⤵
        Suspicious use of NtCreateUserProcessOtherParentProcess
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        
        PID:2836
- 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⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4380
- C:\Windows\System32\schtasks.exe
  C:\Windows\System32\schtasks.exe /run /tn "Windows Upgrade Manager"
  2⤵
  PID:2432
- 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⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:2088
- C:\Windows\System32\notepad.exe
  C:\Windows\System32\notepad.exe
  2⤵
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:4024

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4324,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=4332 /prefetch:8
1⤵
PID:4484

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:2636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

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

Filesize
3KB

MD5
fee026663fcb662152188784794028ee

SHA1
3c02a26a9cb16648fad85c6477b68ced3cb0cb45

SHA256
dbd4136bc342e3e92902ec3a30d165452c82997a7ae24ac90775e42d88959e6b

SHA512
7b12bd5c8fc4356b9123d6586b4980cf76012663b41c0dab6f6f21567e2f4005c5bcea2cc2158d157e4f801a281f3e04bad3774cddb3122db309ccf662184bd6

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

Filesize
18KB

MD5
84b57b7ad7f9f1b8034c6bce774459ba

SHA1
d15e7156d8113109e3d87fb6d6c9954a8123bdab

SHA256
0dd1fa84c84796258bd5e8a1a2ef20bfb4a1708f95d226ab2155c340cb930c18

SHA512
f5a7e5c30a1397ff2d8e089c6806279ab4c8b968570b0564e6252616a006328bc0c362aa8a651316db109167e31d88530c8f10e9706657ab6839bf60caa75848

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

Filesize
1KB

MD5
d95b08252ed624f6d91b46523f110f29

SHA1
17577997bc1fb5d3fbe59be84013165534415dc3

SHA256
342ce7c39bf9992d31d4b61ef138b2b084c96c74736ed00bb19aae49be16ca02

SHA512
0c4288176d56f4ee6d8f08f568fba07ad859f50a395c39d2afd3baf55d3d29ca065a1ce305d1bd790477c35977c0ffa230543e805622f80a77bcee71b24eb257

Download Submit
C:\Users\Admin\AppData\Local\Temp\151145917.exe

Filesize
10KB

MD5
4fe8dc617311f7b6a4b8ebe0b1e24090

SHA1
2bd9341f17c8c0c62e56e1863b1d2f9c43cb30e5

SHA256
5016e413b0c563efc920165e7235c9f2706808877668bd297b41435acc7aade4

SHA512
910a12fbaffd45b0f797a95c6678a32c4a27adbb7d1474f183f8863d310d31fbba17d5d747da87ac4a30dd7cb22c67a4d1c25b302ef0c3f6954d91a459c692db

Download Submit
C:\Users\Admin\AppData\Local\Temp\3488632113.exe

Filesize
5.4MB

MD5
41ab08c1955fce44bfd0c76a64d1945a

SHA1
2b9cb05f4de5d98c541d15175d7f0199cbdd0eea

SHA256
dd12cb27b3867341bf6ca48715756500d3ec56c19b21bb1c1290806aa74cb493

SHA512
38834ae703a8541b4fec9a1db94cfe296ead58649bb1d4873b517df14d0c6a9d25e49ff04c2bf6bb0188845116a4e894aae930d849f9be8c98d2ce51da1ef116

Download Submit
C:\Users\Admin\AppData\Local\Temp\5B79.exe

Filesize
9KB

MD5
8d8e6c7952a9dc7c0c73911c4dbc5518

SHA1
9098da03b33b2c822065b49d5220359c275d5e94

SHA256
feb4c3ae4566f0acbb9e0f55417b61fefd89dc50a4e684df780813fb01d61278

SHA512
91a573843c28dd32a9f31a60ba977f9a3d4bb19ffd1b7254333e09bcecef348c1b3220a348ebb2cb08edb57d56cb7737f026519da52199c9dc62c10aea236645

Download Submit
C:\Users\Admin\AppData\Local\Temp\643033748.exe

Filesize
92KB

MD5
be9388b42333b3d4e163b0ace699897b

SHA1
4e1109772eb9cb59c557380822166fe1664403bd

SHA256
d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f

SHA512
5f887f1060b898c9a88745cde7cf509fdf42947ab8e5948b46c2df659468dc245b24d089bdbec0b314c40b83934698bf4b6feb8954e32810ff8f522aab0af19a

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kb0wjw5y.o3y.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2636-100-0x00007FF7EDC70000-0x00007FF7EE1E6000-memory.dmp

Filesize
5.5MB

Download
memory/2836-84-0x00007FF639D60000-0x00007FF63A2D6000-memory.dmp

Filesize
5.5MB

Download
memory/4024-103-0x00007FF67F5B0000-0x00007FF67FD9F000-memory.dmp

Filesize
7.9MB

Download
memory/4024-102-0x00007FF67F5B0000-0x00007FF67FD9F000-memory.dmp

Filesize
7.9MB

Download
memory/4024-107-0x00007FF67F5B0000-0x00007FF67FD9F000-memory.dmp

Filesize
7.9MB

Download
memory/4024-101-0x0000013B671A0000-0x0000013B671C0000-memory.dmp

Filesize
128KB

Download
memory/4024-108-0x00007FF67F5B0000-0x00007FF67FD9F000-memory.dmp

Filesize
7.9MB

Download
memory/4024-109-0x00007FF67F5B0000-0x00007FF67FD9F000-memory.dmp

Filesize
7.9MB

Download
memory/4024-105-0x00007FF67F5B0000-0x00007FF67FD9F000-memory.dmp

Filesize
7.9MB

Download
memory/4024-110-0x00007FF67F5B0000-0x00007FF67FD9F000-memory.dmp

Filesize
7.9MB

Download
memory/4024-104-0x00007FF67F5B0000-0x00007FF67FD9F000-memory.dmp

Filesize
7.9MB

Download
memory/4380-74-0x0000017D70D30000-0x0000017D70D52000-memory.dmp

Filesize
136KB

Download
memory/4964-33-0x0000000006670000-0x00000000066BC000-memory.dmp

Filesize
304KB

Download
memory/4964-45-0x0000000007600000-0x000000000761E000-memory.dmp

Filesize
120KB

Download
memory/4964-54-0x0000000007CA0000-0x0000000007CBA000-memory.dmp

Filesize
104KB

Download
memory/4964-55-0x0000000007C80000-0x0000000007C88000-memory.dmp

Filesize
32KB

Download
memory/4964-52-0x0000000007BA0000-0x0000000007BAE000-memory.dmp

Filesize
56KB

Download
memory/4964-51-0x0000000007B80000-0x0000000007B91000-memory.dmp

Filesize
68KB

Download
memory/4964-50-0x0000000007BE0000-0x0000000007C76000-memory.dmp

Filesize
600KB

Download
memory/4964-49-0x00000000079E0000-0x00000000079EA000-memory.dmp

Filesize
40KB

Download
memory/4964-48-0x0000000007960000-0x000000000797A000-memory.dmp

Filesize
104KB

Download
memory/4964-47-0x0000000008010000-0x000000000868A000-memory.dmp

Filesize
6.5MB

Download
memory/4964-46-0x0000000007830000-0x00000000078D3000-memory.dmp

Filesize
652KB

Download
memory/4964-53-0x0000000007BB0000-0x0000000007BC4000-memory.dmp

Filesize
80KB

Download
memory/4964-35-0x000000006F610000-0x000000006F65C000-memory.dmp

Filesize
304KB

Download
memory/4964-34-0x0000000006C10000-0x0000000006C42000-memory.dmp

Filesize
200KB

Download
memory/4964-32-0x0000000006630000-0x000000000664E000-memory.dmp

Filesize
120KB

Download
memory/4964-31-0x0000000006150000-0x00000000064A4000-memory.dmp

Filesize
3.3MB

Download
memory/4964-21-0x0000000005FE0000-0x0000000006046000-memory.dmp

Filesize
408KB

Download
memory/4964-20-0x0000000005F70000-0x0000000005FD6000-memory.dmp

Filesize
408KB

Download
memory/4964-19-0x0000000005D10000-0x0000000005D32000-memory.dmp

Filesize
136KB

Download
memory/4964-18-0x00000000056E0000-0x0000000005D08000-memory.dmp

Filesize
6.2MB

Download
memory/4964-17-0x0000000005060000-0x0000000005096000-memory.dmp

Filesize
216KB

Download