phorphiex | 18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
02-08-2024 19:16

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General

Target

18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.exe
Size

2.7MB
MD5

b8d9d380a99d6ab4e1b7057a5e2ce1fc
SHA1

547a856aa5696d0fced42876e6c2599fa94d75d9
SHA256

18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493
SHA512

16744ac25c80124ad69052c6b6729f55f1c78d26ed741f7dbb8be6815a586f665fe21c9d394eb14ad8c246a3d3bc93fb435fc5191f3731591b4d070fdd6d6ff8
SSDEEP

49152:li/5nVhfVnQiGmEwZbyVKf3tOOr/o2rm0mMXgT11rNjiG0C+0LRzas:c/5nVZarmEwZecPzJWDLN+GwOn

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
\Users\Admin\AppData\Local\Temp\1140527662.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:

3436012549.exewupgrdsv.exe

description	pid	process	target process
PID 1188 created 1172	1188	3436012549.exe	Explorer.EXE
PID 1188 created 1172	1188	3436012549.exe	Explorer.EXE
PID 880 created 1172	880	wupgrdsv.exe	Explorer.EXE
PID 880 created 1172	880	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\FirewallOverride = "1"	sysmysldrv.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "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

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

XMRig Miner payload 8 IoCs

miner

Processes:

resource	yara_rule
behavioral1/memory/880-105-0x000000013F1E0000-0x000000013F756000-memory.dmp	xmrig
behavioral1/memory/2736-110-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/2736-113-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/2736-116-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/2736-119-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/2736-122-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/2736-125-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/2736-129-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig

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

PowerShell
T1059.001

Processes:

powershell.exepowershell.exepowershell.exe

pid process

2660 powershell.exe
652 powershell.exe
3056 powershell.exe
Downloads MZ/PE file
Stops running service(s) 4 TTPs
evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

pid	process
2660	powershell.exe
652	powershell.exe
3056	powershell.exe

Executes dropped EXE 9 IoCs

Processes:

1C66.exe18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.tmp1140527662.exesysmysldrv.exe259501750.exe67592705.exe475918281.exe3436012549.exewupgrdsv.exe

pid	process
2792	1C66.exe
3048	18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.tmp
2576	1140527662.exe
2260	sysmysldrv.exe
2456	259501750.exe
1544	67592705.exe
1012	475918281.exe
1188	3436012549.exe
880	wupgrdsv.exe

Loads dropped DLL 10 IoCs

Processes:

18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.exe1C66.exesysmysldrv.exe475918281.exetaskeng.exe

pid	process
2264	18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.exe
2264	18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.exe
2792	1C66.exe
2792	1C66.exe
2260	sysmysldrv.exe
2260	sysmysldrv.exe
2260	sysmysldrv.exe
2260	sysmysldrv.exe
1012	475918281.exe
776	taskeng.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\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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiSpywareOverride = "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:

1140527662.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysmysldrv.exe"	1140527662.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 880 set thread context of 2736 880 wupgrdsv.exe notepad.exe
Drops file in Windows directory 2 IoCs

Processes:

1140527662.exe

description ioc process

File created C:\Windows\sysmysldrv.exe 1140527662.exe
File opened for modification C:\Windows\sysmysldrv.exe 1140527662.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

3068 sc.exe
2208 sc.exe
1240 sc.exe
2828 sc.exe
1868 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 880 set thread context of 2736	880	wupgrdsv.exe	notepad.exe

description	ioc	process
File created	C:\Windows\sysmysldrv.exe	1140527662.exe
File opened for modification	C:\Windows\sysmysldrv.exe	1140527662.exe

pid	process
3068	sc.exe
2208	sc.exe
1240	sc.exe
2828	sc.exe
1868	sc.exe

System Location Discovery: System Language Discovery 1 TTPs 15 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:

18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.execmd.execmd.exesc.exe259501750.exe1C66.exe1140527662.exesc.exe475918281.exe18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.tmpsysmysldrv.exesc.exesc.exepowershell.exesc.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	259501750.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1C66.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1140527662.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	475918281.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sysmysldrv.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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exeschtasks.exe

pid process

1152 schtasks.exe
2796 schtasks.exe

pid	process
1152	schtasks.exe
2796	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

powershell.exe3436012549.exepowershell.exewupgrdsv.exepowershell.exe

pid	process
3056	powershell.exe
1188	3436012549.exe
1188	3436012549.exe
2660	powershell.exe
1188	3436012549.exe
1188	3436012549.exe
880	wupgrdsv.exe
880	wupgrdsv.exe
652	powershell.exe
880	wupgrdsv.exe
880	wupgrdsv.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

powershell.exepowershell.exepowershell.exenotepad.exe

description	pid	process
Token: SeDebugPrivilege	3056	powershell.exe
Token: SeDebugPrivilege	2660	powershell.exe
Token: SeDebugPrivilege	652	powershell.exe
Token: SeLockMemoryPrivilege	2736	notepad.exe
Token: SeLockMemoryPrivilege	2736	notepad.exe

Suspicious use of FindShellTrayWindow 64 IoCs

Processes:

notepad.exe

pid	process
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe

Suspicious use of SendNotifyMessage 64 IoCs

Processes:

notepad.exe

pid	process
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe
2736	notepad.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.exe1C66.exe1140527662.exesysmysldrv.execmd.execmd.exe475918281.exe

description	pid	process	target process
PID 2264 wrote to memory of 2792	2264	18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.exe	1C66.exe
PID 2264 wrote to memory of 2792	2264	18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.exe	1C66.exe
PID 2264 wrote to memory of 2792	2264	18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.exe	1C66.exe
PID 2264 wrote to memory of 2792	2264	18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.exe	1C66.exe
PID 2264 wrote to memory of 3048	2264	18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.exe	18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.tmp
PID 2264 wrote to memory of 3048	2264	18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.exe	18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.tmp
PID 2264 wrote to memory of 3048	2264	18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.exe	18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.tmp
PID 2264 wrote to memory of 3048	2264	18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.exe	18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.tmp
PID 2264 wrote to memory of 3048	2264	18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.exe	18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.tmp
PID 2264 wrote to memory of 3048	2264	18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.exe	18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.tmp
PID 2264 wrote to memory of 3048	2264	18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.exe	18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.tmp
PID 2792 wrote to memory of 2576	2792	1C66.exe	1140527662.exe
PID 2792 wrote to memory of 2576	2792	1C66.exe	1140527662.exe
PID 2792 wrote to memory of 2576	2792	1C66.exe	1140527662.exe
PID 2792 wrote to memory of 2576	2792	1C66.exe	1140527662.exe
PID 2576 wrote to memory of 2260	2576	1140527662.exe	sysmysldrv.exe
PID 2576 wrote to memory of 2260	2576	1140527662.exe	sysmysldrv.exe
PID 2576 wrote to memory of 2260	2576	1140527662.exe	sysmysldrv.exe
PID 2576 wrote to memory of 2260	2576	1140527662.exe	sysmysldrv.exe
PID 2260 wrote to memory of 1844	2260	sysmysldrv.exe	cmd.exe
PID 2260 wrote to memory of 1844	2260	sysmysldrv.exe	cmd.exe
PID 2260 wrote to memory of 1844	2260	sysmysldrv.exe	cmd.exe
PID 2260 wrote to memory of 1844	2260	sysmysldrv.exe	cmd.exe
PID 2260 wrote to memory of 1872	2260	sysmysldrv.exe	cmd.exe
PID 2260 wrote to memory of 1872	2260	sysmysldrv.exe	cmd.exe
PID 2260 wrote to memory of 1872	2260	sysmysldrv.exe	cmd.exe
PID 2260 wrote to memory of 1872	2260	sysmysldrv.exe	cmd.exe
PID 1872 wrote to memory of 3068	1872	cmd.exe	sc.exe
PID 1872 wrote to memory of 3068	1872	cmd.exe	sc.exe
PID 1872 wrote to memory of 3068	1872	cmd.exe	sc.exe
PID 1872 wrote to memory of 3068	1872	cmd.exe	sc.exe
PID 1844 wrote to memory of 3056	1844	cmd.exe	powershell.exe
PID 1844 wrote to memory of 3056	1844	cmd.exe	powershell.exe
PID 1844 wrote to memory of 3056	1844	cmd.exe	powershell.exe
PID 1844 wrote to memory of 3056	1844	cmd.exe	powershell.exe
PID 1872 wrote to memory of 2208	1872	cmd.exe	sc.exe
PID 1872 wrote to memory of 2208	1872	cmd.exe	sc.exe
PID 1872 wrote to memory of 2208	1872	cmd.exe	sc.exe
PID 1872 wrote to memory of 2208	1872	cmd.exe	sc.exe
PID 1872 wrote to memory of 1240	1872	cmd.exe	sc.exe
PID 1872 wrote to memory of 1240	1872	cmd.exe	sc.exe
PID 1872 wrote to memory of 1240	1872	cmd.exe	sc.exe
PID 1872 wrote to memory of 1240	1872	cmd.exe	sc.exe
PID 1872 wrote to memory of 2828	1872	cmd.exe	sc.exe
PID 1872 wrote to memory of 2828	1872	cmd.exe	sc.exe
PID 1872 wrote to memory of 2828	1872	cmd.exe	sc.exe
PID 1872 wrote to memory of 2828	1872	cmd.exe	sc.exe
PID 1872 wrote to memory of 1868	1872	cmd.exe	sc.exe
PID 1872 wrote to memory of 1868	1872	cmd.exe	sc.exe
PID 1872 wrote to memory of 1868	1872	cmd.exe	sc.exe
PID 1872 wrote to memory of 1868	1872	cmd.exe	sc.exe
PID 2260 wrote to memory of 2456	2260	sysmysldrv.exe	259501750.exe
PID 2260 wrote to memory of 2456	2260	sysmysldrv.exe	259501750.exe
PID 2260 wrote to memory of 2456	2260	sysmysldrv.exe	259501750.exe
PID 2260 wrote to memory of 2456	2260	sysmysldrv.exe	259501750.exe
PID 2260 wrote to memory of 1544	2260	sysmysldrv.exe	67592705.exe
PID 2260 wrote to memory of 1544	2260	sysmysldrv.exe	67592705.exe
PID 2260 wrote to memory of 1544	2260	sysmysldrv.exe	67592705.exe
PID 2260 wrote to memory of 1544	2260	sysmysldrv.exe	67592705.exe
PID 2260 wrote to memory of 1012	2260	sysmysldrv.exe	475918281.exe
PID 2260 wrote to memory of 1012	2260	sysmysldrv.exe	475918281.exe
PID 2260 wrote to memory of 1012	2260	sysmysldrv.exe	475918281.exe
PID 2260 wrote to memory of 1012	2260	sysmysldrv.exe	475918281.exe
PID 1012 wrote to memory of 1188	1012	475918281.exe	3436012549.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:1172
- C:\Users\Admin\AppData\Local\Temp\18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.exe
  "C:\Users\Admin\AppData\Local\Temp\18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2264
- - C:\Users\Admin\AppData\Local\Temp\1C66.exe
    "C:\Users\Admin\AppData\Local\Temp\1C66.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2792
  - - C:\Users\Admin\AppData\Local\Temp\1140527662.exe
      C:\Users\Admin\AppData\Local\Temp\1140527662.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:2576
    - - C:\Windows\sysmysldrv.exe
        
        C:\Windows\sysmysldrv.exe
        5⤵
        Modifies security service
        Windows security bypass
        Executes dropped EXE
        Loads dropped DLL
        Windows security modification
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2260
      - 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:1844
        
        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:3056
      - 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:1872
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop UsoSvc
        7⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:3068
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop WaaSMedicSvc
        7⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:2208
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop wuauserv
        7⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:1240
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop DoSvc
        7⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:2828
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop BITS
        7⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:1868
      - C:\Users\Admin\AppData\Local\Temp\259501750.exe
        
        C:\Users\Admin\AppData\Local\Temp\259501750.exe
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:2456
      - C:\Users\Admin\AppData\Local\Temp\67592705.exe
        
        C:\Users\Admin\AppData\Local\Temp\67592705.exe
        6⤵
        Executes dropped EXE
        
        PID:1544
      - C:\Users\Admin\AppData\Local\Temp\475918281.exe
        
        C:\Users\Admin\AppData\Local\Temp\475918281.exe
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1012
        
        C:\Users\Admin\AppData\Local\Temp\3436012549.exe
        
        C:\Users\Admin\AppData\Local\Temp\3436012549.exe
        7⤵
        Suspicious use of NtCreateUserProcessOtherParentProcess
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        
        PID:1188
- - C:\Users\Admin\AppData\Local\Temp\is-12ST6.tmp\18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.tmp
    "C:\Users\Admin\AppData\Local\Temp\is-12ST6.tmp\18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.tmp" /SL5="$30156,2148280,486912,C:\Users\Admin\AppData\Local\Temp\18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3048
- 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
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2660
- - 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⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1152
- C:\Windows\System32\schtasks.exe
  C:\Windows\System32\schtasks.exe /run /tn "Windows Upgrade Manager"
  2⤵
  PID:3012
- 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
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:652
- - 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⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2796
- C:\Windows\System32\notepad.exe
  C:\Windows\System32\notepad.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:2736

C:\Windows\system32\taskeng.exe
taskeng.exe {D52FD9EF-007B-4F76-BD7A-B1F9812EC181} S-1-5-21-2703099537-420551529-3771253338-1000:XECUDNCD\Admin:Interactive:[1]
1⤵
- Loads dropped DLL
PID:776
- 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:880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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\Temp\1C66.exe

Filesize
9KB

MD5
8d8e6c7952a9dc7c0c73911c4dbc5518

SHA1
9098da03b33b2c822065b49d5220359c275d5e94

SHA256
feb4c3ae4566f0acbb9e0f55417b61fefd89dc50a4e684df780813fb01d61278

SHA512
91a573843c28dd32a9f31a60ba977f9a3d4bb19ffd1b7254333e09bcecef348c1b3220a348ebb2cb08edb57d56cb7737f026519da52199c9dc62c10aea236645

Download Submit
C:\Users\Admin\AppData\Local\Temp\3436012549.exe

Filesize
5.4MB

MD5
41ab08c1955fce44bfd0c76a64d1945a

SHA1
2b9cb05f4de5d98c541d15175d7f0199cbdd0eea

SHA256
dd12cb27b3867341bf6ca48715756500d3ec56c19b21bb1c1290806aa74cb493

SHA512
38834ae703a8541b4fec9a1db94cfe296ead58649bb1d4873b517df14d0c6a9d25e49ff04c2bf6bb0188845116a4e894aae930d849f9be8c98d2ce51da1ef116

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\2M45RCRYWDRS2N5MLRZ2.temp

Filesize
7KB

MD5
3d2c215a21b81cf02ff1cbbbb02c690b

SHA1
9dfdea61bd432a66e22323c2fda73b4e0fda1b62

SHA256
53f66c326006b4468ee5a82acf9fd54b19f7379dd879c0041ce9cb296613aeeb

SHA512
65245b25ff463866a07fb802e3923a5431f84255430742ee400632f845294979aec85060abad6ea580d49a465669f534796fc62b946890ac34b5696cf573e76d

Download Submit
\Users\Admin\AppData\Local\Temp\1140527662.exe

Filesize
92KB

MD5
be9388b42333b3d4e163b0ace699897b

SHA1
4e1109772eb9cb59c557380822166fe1664403bd

SHA256
d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f

SHA512
5f887f1060b898c9a88745cde7cf509fdf42947ab8e5948b46c2df659468dc245b24d089bdbec0b314c40b83934698bf4b6feb8954e32810ff8f522aab0af19a

Download Submit
\Users\Admin\AppData\Local\Temp\259501750.exe

Filesize
7KB

MD5
af0622340ed8ba48efa92e0b2d9aca7b

SHA1
77e7181b4d4e6957cf13ba37f590cf219aac88cb

SHA256
7b7d433c6c204ed3bcd1ea74106592edfa1a30b6ef7bbc3ed21efcbadc51e526

SHA512
e1368c1c292789115b51cae549bd2d484dbc614eb3e57aa5fce324385d28e9fbddf60064b4c88237b38cded294d090d07c491b646651c45bcd6235630d94ef46

Download Submit
\Users\Admin\AppData\Local\Temp\475918281.exe

Filesize
10KB

MD5
4fe8dc617311f7b6a4b8ebe0b1e24090

SHA1
2bd9341f17c8c0c62e56e1863b1d2f9c43cb30e5

SHA256
5016e413b0c563efc920165e7235c9f2706808877668bd297b41435acc7aade4

SHA512
910a12fbaffd45b0f797a95c6678a32c4a27adbb7d1474f183f8863d310d31fbba17d5d747da87ac4a30dd7cb22c67a4d1c25b302ef0c3f6954d91a459c692db

Download Submit
\Users\Admin\AppData\Local\Temp\is-12ST6.tmp\18347a1245d3b3f89c564c0f7e9c1cd656208e9a82cde9e7ad35038ed49ec493.tmp

Filesize
1.5MB

MD5
c6bffd4da620b07cb214f1bd8e7f21d2

SHA1
054221dc0c8a686e0d17edd6e02c06458b1395c3

SHA256
55dbb288d5df6df375487bae50661dbf530fd43a7e96017b7183a54db8fc376a

SHA512
91e50df87a6e42b01e24accead25726047a641c3960fa3336f560168ed68356e6992d289a0a71b629d74ad7b00bbdbf7e6e909a4c8b5b1616fbf3b0cc63210ab

Download Submit
memory/652-102-0x0000000001D40000-0x0000000001D48000-memory.dmp

Filesize
32KB

Download
memory/652-101-0x000000001B4C0000-0x000000001B7A2000-memory.dmp

Filesize
2.9MB

Download
memory/880-105-0x000000013F1E0000-0x000000013F756000-memory.dmp

Filesize
5.5MB

Download
memory/1188-90-0x000000013F230000-0x000000013F7A6000-memory.dmp

Filesize
5.5MB

Download
memory/2264-37-0x0000000000400000-0x0000000000481DB0-memory.dmp

Filesize
519KB

Download
memory/2264-10-0x0000000000401000-0x0000000000412000-memory.dmp

Filesize
68KB

Download
memory/2264-8-0x0000000000400000-0x0000000000481DB0-memory.dmp

Filesize
519KB

Download
memory/2660-86-0x000000001B5C0000-0x000000001B8A2000-memory.dmp

Filesize
2.9MB

Download
memory/2660-87-0x00000000026D0000-0x00000000026D8000-memory.dmp

Filesize
32KB

Download
memory/2736-106-0x00000000000C0000-0x00000000000E0000-memory.dmp

Filesize
128KB

Download
memory/2736-110-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/2736-113-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/2736-116-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/2736-119-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/2736-122-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/2736-125-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/2736-129-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/3048-38-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/3048-16-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download