phorphiex | a3696b5b8b4ae68810aac3f537a8c800248f7cef38a1ad657b3572515a121bdc

Analysis

max time kernel
119s
max time network
116s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
07-08-2024 03:50

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General

Target

5d1135b32b4af8708f9ad6aea8db3d00N.exe
Size

766KB
MD5

5d1135b32b4af8708f9ad6aea8db3d00
SHA1

68b22e4d635dfc45683b88717d78ecaf94027a12
SHA256

a3696b5b8b4ae68810aac3f537a8c800248f7cef38a1ad657b3572515a121bdc
SHA512

bc71416f7707767ea6b1ff4609734a8f0f9a259e670c7627a22f5468e97278e8f78f3a21824ad677d4d771ecc342761c1638aa40180f1321ad5155a537be81a0
SSDEEP

12288:nSxGGU888888888888W88888888888S/1PZDmuli7hCXGo0XCBlfLj9oZok19FhQ:SxGcn5ilUG1CBVLj9o6k1vh/BZS0hU

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\137285145.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:

3684031430.exewupgrdsv.exe

description	pid	process	target process
PID 2192 created 1428	2192	3684031430.exe	Explorer.EXE
PID 2192 created 1428	2192	3684031430.exe	Explorer.EXE
PID 1512 created 1428	1512	wupgrdsv.exe	Explorer.EXE
PID 1512 created 1428	1512	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\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\AntiVirusOverride = "1"	sysmysldrv.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	sysmysldrv.exe

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

XMRig Miner payload 6 IoCs

miner

Processes:

resource	yara_rule
behavioral1/memory/1512-109-0x000000013FB10000-0x0000000140086000-memory.dmp	xmrig
behavioral1/memory/2592-113-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/2592-117-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/2592-120-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/2592-123-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/2592-126-0x0000000140000000-0x00000001407EF000-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

1936 powershell.exe
1212 powershell.exe
1244 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

Executes dropped EXE 9 IoCs

Processes:

6059.exe5d1135b32b4af8708f9ad6aea8db3d00N.tmp137285145.exesysmysldrv.exe143829004.exe100232794.exe19085517.exe3684031430.exewupgrdsv.exe

pid	process
2796	6059.exe
3040	5d1135b32b4af8708f9ad6aea8db3d00N.tmp
2784	137285145.exe
2768	sysmysldrv.exe
2636	143829004.exe
1940	100232794.exe
1984	19085517.exe
2192	3684031430.exe
1512	wupgrdsv.exe

Loads dropped DLL 12 IoCs

Processes:

5d1135b32b4af8708f9ad6aea8db3d00N.exe6059.exe5d1135b32b4af8708f9ad6aea8db3d00N.tmpsysmysldrv.exe19085517.exetaskeng.exe

pid	process
1724	5d1135b32b4af8708f9ad6aea8db3d00N.exe
1724	5d1135b32b4af8708f9ad6aea8db3d00N.exe
2796	6059.exe
2796	6059.exe
3040	5d1135b32b4af8708f9ad6aea8db3d00N.tmp
3040	5d1135b32b4af8708f9ad6aea8db3d00N.tmp
2768	sysmysldrv.exe
2768	sysmysldrv.exe
2768	sysmysldrv.exe
2768	sysmysldrv.exe
1984	19085517.exe
808	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:

137285145.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysmysldrv.exe"	137285145.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 1512 set thread context of 2592 1512 wupgrdsv.exe notepad.exe
Drops file in Windows directory 2 IoCs

Processes:

137285145.exe

description ioc process

File opened for modification C:\Windows\sysmysldrv.exe 137285145.exe
File created C:\Windows\sysmysldrv.exe 137285145.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

2128 sc.exe
1900 sc.exe
2688 sc.exe
2744 sc.exe
356 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 1512 set thread context of 2592	1512	wupgrdsv.exe	notepad.exe

description	ioc	process
File opened for modification	C:\Windows\sysmysldrv.exe	137285145.exe
File created	C:\Windows\sysmysldrv.exe	137285145.exe

pid	process
2128	sc.exe
1900	sc.exe
2688	sc.exe
2744	sc.exe
356	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:

sc.exe143829004.exesc.exe5d1135b32b4af8708f9ad6aea8db3d00N.exe5d1135b32b4af8708f9ad6aea8db3d00N.tmpsysmysldrv.execmd.exepowershell.exe137285145.exesc.exesc.exesc.exe6059.execmd.exe19085517.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	143829004.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5d1135b32b4af8708f9ad6aea8db3d00N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5d1135b32b4af8708f9ad6aea8db3d00N.tmp
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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	137285145.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	6059.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	19085517.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

1772 schtasks.exe
480 schtasks.exe

pid	process
1772	schtasks.exe
480	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

powershell.exe3684031430.exepowershell.exewupgrdsv.exepowershell.exe

pid	process
1936	powershell.exe
2192	3684031430.exe
2192	3684031430.exe
1212	powershell.exe
2192	3684031430.exe
2192	3684031430.exe
1512	wupgrdsv.exe
1512	wupgrdsv.exe
1244	powershell.exe
1512	wupgrdsv.exe
1512	wupgrdsv.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

5d1135b32b4af8708f9ad6aea8db3d00N.tmp

pid process

3040 5d1135b32b4af8708f9ad6aea8db3d00N.tmp

pid	process
3040	5d1135b32b4af8708f9ad6aea8db3d00N.tmp

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

powershell.exepowershell.exepowershell.exenotepad.exe

description	pid	process
Token: SeDebugPrivilege	1936	powershell.exe
Token: SeDebugPrivilege	1212	powershell.exe
Token: SeDebugPrivilege	1244	powershell.exe
Token: SeLockMemoryPrivilege	2592	notepad.exe
Token: SeLockMemoryPrivilege	2592	notepad.exe

Suspicious use of FindShellTrayWindow 56 IoCs

Processes:

notepad.exe

pid	process
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe

Suspicious use of SendNotifyMessage 56 IoCs

Processes:

notepad.exe

pid	process
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe
2592	notepad.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

5d1135b32b4af8708f9ad6aea8db3d00N.exe6059.exe137285145.exesysmysldrv.execmd.execmd.exe19085517.exe

description	pid	process	target process
PID 1724 wrote to memory of 2796	1724	5d1135b32b4af8708f9ad6aea8db3d00N.exe	6059.exe
PID 1724 wrote to memory of 2796	1724	5d1135b32b4af8708f9ad6aea8db3d00N.exe	6059.exe
PID 1724 wrote to memory of 2796	1724	5d1135b32b4af8708f9ad6aea8db3d00N.exe	6059.exe
PID 1724 wrote to memory of 2796	1724	5d1135b32b4af8708f9ad6aea8db3d00N.exe	6059.exe
PID 1724 wrote to memory of 3040	1724	5d1135b32b4af8708f9ad6aea8db3d00N.exe	5d1135b32b4af8708f9ad6aea8db3d00N.tmp
PID 1724 wrote to memory of 3040	1724	5d1135b32b4af8708f9ad6aea8db3d00N.exe	5d1135b32b4af8708f9ad6aea8db3d00N.tmp
PID 1724 wrote to memory of 3040	1724	5d1135b32b4af8708f9ad6aea8db3d00N.exe	5d1135b32b4af8708f9ad6aea8db3d00N.tmp
PID 1724 wrote to memory of 3040	1724	5d1135b32b4af8708f9ad6aea8db3d00N.exe	5d1135b32b4af8708f9ad6aea8db3d00N.tmp
PID 1724 wrote to memory of 3040	1724	5d1135b32b4af8708f9ad6aea8db3d00N.exe	5d1135b32b4af8708f9ad6aea8db3d00N.tmp
PID 1724 wrote to memory of 3040	1724	5d1135b32b4af8708f9ad6aea8db3d00N.exe	5d1135b32b4af8708f9ad6aea8db3d00N.tmp
PID 1724 wrote to memory of 3040	1724	5d1135b32b4af8708f9ad6aea8db3d00N.exe	5d1135b32b4af8708f9ad6aea8db3d00N.tmp
PID 2796 wrote to memory of 2784	2796	6059.exe	137285145.exe
PID 2796 wrote to memory of 2784	2796	6059.exe	137285145.exe
PID 2796 wrote to memory of 2784	2796	6059.exe	137285145.exe
PID 2796 wrote to memory of 2784	2796	6059.exe	137285145.exe
PID 2784 wrote to memory of 2768	2784	137285145.exe	sysmysldrv.exe
PID 2784 wrote to memory of 2768	2784	137285145.exe	sysmysldrv.exe
PID 2784 wrote to memory of 2768	2784	137285145.exe	sysmysldrv.exe
PID 2784 wrote to memory of 2768	2784	137285145.exe	sysmysldrv.exe
PID 2768 wrote to memory of 772	2768	sysmysldrv.exe	cmd.exe
PID 2768 wrote to memory of 772	2768	sysmysldrv.exe	cmd.exe
PID 2768 wrote to memory of 772	2768	sysmysldrv.exe	cmd.exe
PID 2768 wrote to memory of 772	2768	sysmysldrv.exe	cmd.exe
PID 2768 wrote to memory of 1920	2768	sysmysldrv.exe	cmd.exe
PID 2768 wrote to memory of 1920	2768	sysmysldrv.exe	cmd.exe
PID 2768 wrote to memory of 1920	2768	sysmysldrv.exe	cmd.exe
PID 2768 wrote to memory of 1920	2768	sysmysldrv.exe	cmd.exe
PID 772 wrote to memory of 1936	772	cmd.exe	powershell.exe
PID 772 wrote to memory of 1936	772	cmd.exe	powershell.exe
PID 772 wrote to memory of 1936	772	cmd.exe	powershell.exe
PID 772 wrote to memory of 1936	772	cmd.exe	powershell.exe
PID 1920 wrote to memory of 1900	1920	cmd.exe	sc.exe
PID 1920 wrote to memory of 1900	1920	cmd.exe	sc.exe
PID 1920 wrote to memory of 1900	1920	cmd.exe	sc.exe
PID 1920 wrote to memory of 1900	1920	cmd.exe	sc.exe
PID 1920 wrote to memory of 2688	1920	cmd.exe	sc.exe
PID 1920 wrote to memory of 2688	1920	cmd.exe	sc.exe
PID 1920 wrote to memory of 2688	1920	cmd.exe	sc.exe
PID 1920 wrote to memory of 2688	1920	cmd.exe	sc.exe
PID 1920 wrote to memory of 2744	1920	cmd.exe	sc.exe
PID 1920 wrote to memory of 2744	1920	cmd.exe	sc.exe
PID 1920 wrote to memory of 2744	1920	cmd.exe	sc.exe
PID 1920 wrote to memory of 2744	1920	cmd.exe	sc.exe
PID 1920 wrote to memory of 356	1920	cmd.exe	sc.exe
PID 1920 wrote to memory of 356	1920	cmd.exe	sc.exe
PID 1920 wrote to memory of 356	1920	cmd.exe	sc.exe
PID 1920 wrote to memory of 356	1920	cmd.exe	sc.exe
PID 1920 wrote to memory of 2128	1920	cmd.exe	sc.exe
PID 1920 wrote to memory of 2128	1920	cmd.exe	sc.exe
PID 1920 wrote to memory of 2128	1920	cmd.exe	sc.exe
PID 1920 wrote to memory of 2128	1920	cmd.exe	sc.exe
PID 2768 wrote to memory of 2636	2768	sysmysldrv.exe	143829004.exe
PID 2768 wrote to memory of 2636	2768	sysmysldrv.exe	143829004.exe
PID 2768 wrote to memory of 2636	2768	sysmysldrv.exe	143829004.exe
PID 2768 wrote to memory of 2636	2768	sysmysldrv.exe	143829004.exe
PID 2768 wrote to memory of 1940	2768	sysmysldrv.exe	100232794.exe
PID 2768 wrote to memory of 1940	2768	sysmysldrv.exe	100232794.exe
PID 2768 wrote to memory of 1940	2768	sysmysldrv.exe	100232794.exe
PID 2768 wrote to memory of 1940	2768	sysmysldrv.exe	100232794.exe
PID 2768 wrote to memory of 1984	2768	sysmysldrv.exe	19085517.exe
PID 2768 wrote to memory of 1984	2768	sysmysldrv.exe	19085517.exe
PID 2768 wrote to memory of 1984	2768	sysmysldrv.exe	19085517.exe
PID 2768 wrote to memory of 1984	2768	sysmysldrv.exe	19085517.exe
PID 1984 wrote to memory of 2192	1984	19085517.exe	3684031430.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:1428
- C:\Users\Admin\AppData\Local\Temp\5d1135b32b4af8708f9ad6aea8db3d00N.exe
  "C:\Users\Admin\AppData\Local\Temp\5d1135b32b4af8708f9ad6aea8db3d00N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1724
- - C:\Users\Admin\AppData\Local\Temp\6059.exe
    "C:\Users\Admin\AppData\Local\Temp\6059.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2796
  - - C:\Users\Admin\AppData\Local\Temp\137285145.exe
      C:\Users\Admin\AppData\Local\Temp\137285145.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:2784
    - - 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:2768
      - 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:772
        
        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:1936
      - 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:1920
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop UsoSvc
        7⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:1900
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop WaaSMedicSvc
        7⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:2688
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop wuauserv
        7⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:2744
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop DoSvc
        7⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:356
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop BITS
        7⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:2128
      - C:\Users\Admin\AppData\Local\Temp\143829004.exe
        
        C:\Users\Admin\AppData\Local\Temp\143829004.exe
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:2636
      - C:\Users\Admin\AppData\Local\Temp\100232794.exe
        
        C:\Users\Admin\AppData\Local\Temp\100232794.exe
        6⤵
        Executes dropped EXE
        
        PID:1940
      - C:\Users\Admin\AppData\Local\Temp\19085517.exe
        
        C:\Users\Admin\AppData\Local\Temp\19085517.exe
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1984
        
        C:\Users\Admin\AppData\Local\Temp\3684031430.exe
        
        C:\Users\Admin\AppData\Local\Temp\3684031430.exe
        7⤵
        Suspicious use of NtCreateUserProcessOtherParentProcess
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        
        PID:2192
- - C:\Users\Admin\AppData\Local\Temp\is-DSTHU.tmp\5d1135b32b4af8708f9ad6aea8db3d00N.tmp
    "C:\Users\Admin\AppData\Local\Temp\is-DSTHU.tmp\5d1135b32b4af8708f9ad6aea8db3d00N.tmp" /SL5="$301C6,299791,119296,C:\Users\Admin\AppData\Local\Temp\5d1135b32b4af8708f9ad6aea8db3d00N.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    PID:3040
- 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:1212
- - 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:1772
- C:\Windows\System32\schtasks.exe
  C:\Windows\System32\schtasks.exe /run /tn "Windows Upgrade Manager"
  2⤵
  PID:1536
- 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:1244
- - 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:480
- C:\Windows\System32\notepad.exe
  C:\Windows\System32\notepad.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:2592

C:\Windows\system32\taskeng.exe
taskeng.exe {2CF16CF7-6100-4401-97F2-9B17F9388520} S-1-5-21-2257386474-3982792636-3902186748-1000:CTBHAMHL\Admin:Interactive:[1]
1⤵
- Loads dropped DLL
PID:808
- 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:1512

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\6059.exe

Filesize
9KB

MD5
8d8e6c7952a9dc7c0c73911c4dbc5518

SHA1
9098da03b33b2c822065b49d5220359c275d5e94

SHA256
feb4c3ae4566f0acbb9e0f55417b61fefd89dc50a4e684df780813fb01d61278

SHA512
91a573843c28dd32a9f31a60ba977f9a3d4bb19ffd1b7254333e09bcecef348c1b3220a348ebb2cb08edb57d56cb7737f026519da52199c9dc62c10aea236645

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\B05805YJ7JGTDVUR49J1.temp

Filesize
7KB

MD5
372df9c36c5bb8e39b943dd10e60b9af

SHA1
37ff23c5123516dca8928234cc207cb4e79c884b

SHA256
702d1aa7fb37764a0f3314b99ad010c24eabef67270dbe0393db57169addbc06

SHA512
17889d8c85dacc4bd5f6be99ef7bbb57e14092d9626ea80f04c94dc35be6d84a09354ef4524034e20c6ed50fe905eef005f9196ab65ebbb4992ace402f001f76

Download Submit
\??\PIPE\srvsvc

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
\Users\Admin\AppData\Local\Temp\137285145.exe

Filesize
92KB

MD5
be9388b42333b3d4e163b0ace699897b

SHA1
4e1109772eb9cb59c557380822166fe1664403bd

SHA256
d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f

SHA512
5f887f1060b898c9a88745cde7cf509fdf42947ab8e5948b46c2df659468dc245b24d089bdbec0b314c40b83934698bf4b6feb8954e32810ff8f522aab0af19a

Download Submit
\Users\Admin\AppData\Local\Temp\143829004.exe

Filesize
7KB

MD5
af0622340ed8ba48efa92e0b2d9aca7b

SHA1
77e7181b4d4e6957cf13ba37f590cf219aac88cb

SHA256
7b7d433c6c204ed3bcd1ea74106592edfa1a30b6ef7bbc3ed21efcbadc51e526

SHA512
e1368c1c292789115b51cae549bd2d484dbc614eb3e57aa5fce324385d28e9fbddf60064b4c88237b38cded294d090d07c491b646651c45bcd6235630d94ef46

Download Submit
\Users\Admin\AppData\Local\Temp\19085517.exe

Filesize
10KB

MD5
4fe8dc617311f7b6a4b8ebe0b1e24090

SHA1
2bd9341f17c8c0c62e56e1863b1d2f9c43cb30e5

SHA256
5016e413b0c563efc920165e7235c9f2706808877668bd297b41435acc7aade4

SHA512
910a12fbaffd45b0f797a95c6678a32c4a27adbb7d1474f183f8863d310d31fbba17d5d747da87ac4a30dd7cb22c67a4d1c25b302ef0c3f6954d91a459c692db

Download Submit
\Users\Admin\AppData\Local\Temp\3684031430.exe

Filesize
5.4MB

MD5
41ab08c1955fce44bfd0c76a64d1945a

SHA1
2b9cb05f4de5d98c541d15175d7f0199cbdd0eea

SHA256
dd12cb27b3867341bf6ca48715756500d3ec56c19b21bb1c1290806aa74cb493

SHA512
38834ae703a8541b4fec9a1db94cfe296ead58649bb1d4873b517df14d0c6a9d25e49ff04c2bf6bb0188845116a4e894aae930d849f9be8c98d2ce51da1ef116

Download Submit
\Users\Admin\AppData\Local\Temp\is-DSTHU.tmp\5d1135b32b4af8708f9ad6aea8db3d00N.tmp

Filesize
1.1MB

MD5
6a96bef4679e16a54b4090e74664dcca

SHA1
c8631c1624b98f6709b1ac37ce3956faed29bc30

SHA256
cb095356ddcfcbace96c6252fb73a267ed011c15ff206a7a9302007baa68a783

SHA512
924ab1e5c6ea72342eab6e78899a56c415e90020c46d3d8a81ae4da9276db7ea1df9684965a81fb95a6f2f9cf103b31413d67770eb15725ad04198c5d00037d0

Download Submit
\Users\Admin\AppData\Local\Temp\is-KFLLP.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1212-90-0x000000001B760000-0x000000001BA42000-memory.dmp

Filesize
2.9MB

Download
memory/1212-91-0x00000000003C0000-0x00000000003C8000-memory.dmp

Filesize
32KB

Download
memory/1244-106-0x0000000002750000-0x0000000002758000-memory.dmp

Filesize
32KB

Download
memory/1244-105-0x000000001B490000-0x000000001B772000-memory.dmp

Filesize
2.9MB

Download
memory/1512-109-0x000000013FB10000-0x0000000140086000-memory.dmp

Filesize
5.5MB

Download
memory/1724-8-0x0000000000400000-0x0000000000428DB0-memory.dmp

Filesize
163KB

Download
memory/1724-10-0x0000000000401000-0x0000000000412000-memory.dmp

Filesize
68KB

Download
memory/1724-40-0x0000000000400000-0x0000000000428DB0-memory.dmp

Filesize
163KB

Download
memory/2192-94-0x000000013FDD0000-0x0000000140346000-memory.dmp

Filesize
5.5MB

Download
memory/2592-110-0x0000000000330000-0x0000000000350000-memory.dmp

Filesize
128KB

Download
memory/2592-113-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/2592-117-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/2592-120-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/2592-123-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/2592-126-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/3040-43-0x0000000000400000-0x000000000052C000-memory.dmp

Filesize
1.2MB

Download
memory/3040-16-0x0000000000400000-0x000000000052C000-memory.dmp

Filesize
1.2MB

Download