phorphiex | 18e347c69ed48c07e979e9f5e9c4c478ecb9b32c402441b2913411b9d2c86100

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
05-08-2024 23:49

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General

Target

2768547bd585be3c6d69fe1e58719590N.exe
Size

974KB
MD5

2768547bd585be3c6d69fe1e58719590
SHA1

996d686744a032880841f777672f86752e34a236
SHA256

18e347c69ed48c07e979e9f5e9c4c478ecb9b32c402441b2913411b9d2c86100
SHA512

6f06c3afe7305de337b3c2b48adbf89ea5ab6bfcd0ce09f20112fc72195659acd7816d3bb4d9bee9d4f9431df86e8333cbb5644019165ec2992016e58f6dcb77
SSDEEP

24576:xtanV29ucPYLFlPzeejRPaV0cbZJlKFsu:o4wLFNeN0cNOsu

Score

10^/10

phorphiex xmrig discovery evasion execution loader miner persistence trojan worm

Malware Config

Extracted

Family

phorphiex

http://185.215.113.66/

http://77.91.77.92/

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
55a4er5wo
user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Signatures

Modifies security service 2 TTPs 2 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Processes:

sysmysldrv.exesysmablsvr.exe

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

Phorphiex payload 2 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\B74E.exe	family_phorphiex
\Users\Admin\AppData\Local\Temp\1215329509.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:

3985728092.exewupgrdsv.exe

description	pid	process	target process
PID 1348 created 1188	1348	3985728092.exe	Explorer.EXE
PID 1348 created 1188	1348	3985728092.exe	Explorer.EXE
PID 2064 created 1188	2064	wupgrdsv.exe	Explorer.EXE
PID 2064 created 1188	2064	wupgrdsv.exe	Explorer.EXE

Windows security bypass 2 TTPs 12 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

sysmablsvr.exesysmysldrv.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1"	sysmablsvr.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\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"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	sysmablsvr.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 7 IoCs

miner

Processes:

resource	yara_rule
behavioral1/memory/2064-113-0x000000013FF80000-0x00000001404F6000-memory.dmp	xmrig
behavioral1/memory/2520-121-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/2520-124-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/2520-126-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/2520-130-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/2520-132-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/2520-134-0x0000000140000000-0x00000001407EF000-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

1616 powershell.exe
900 powershell.exe
892 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 11 IoCs

Processes:

B74E.exesysmablsvr.exe173985667.exe1215329509.exesysmysldrv.exe295572128.exe241002435.exe3985728092.exe1624126326.exewupgrdsv.exe1714631817.exe

pid	process
2476	B74E.exe
2932	sysmablsvr.exe
2704	173985667.exe
3036	1215329509.exe
1236	sysmysldrv.exe
2920	295572128.exe
748	241002435.exe
1348	3985728092.exe
1272	1624126326.exe
2064	wupgrdsv.exe
2752	1714631817.exe

Loads dropped DLL 12 IoCs

Processes:

2768547bd585be3c6d69fe1e58719590N.exesysmablsvr.exesysmysldrv.exe295572128.exetaskeng.exe

pid	process
2236	2768547bd585be3c6d69fe1e58719590N.exe
2236	2768547bd585be3c6d69fe1e58719590N.exe
2932	sysmablsvr.exe
2932	sysmablsvr.exe
2932	sysmablsvr.exe
2932	sysmablsvr.exe
1236	sysmysldrv.exe
2920	295572128.exe
1236	sysmysldrv.exe
1236	sysmysldrv.exe
2184	taskeng.exe
1236	sysmysldrv.exe

Windows security modification 2 TTPs 14 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

sysmablsvr.exesysmysldrv.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	sysmablsvr.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\FirewallOverride = "1"	sysmablsvr.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\FirewallDisableNotify = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiSpywareOverride = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiSpywareOverride = "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\UpdatesDisableNotify = "1"	sysmysldrv.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	sysmablsvr.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 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

B74E.exe1215329509.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysmablsvr.exe"	B74E.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysmysldrv.exe"	1215329509.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 2064 set thread context of 2520 2064 wupgrdsv.exe notepad.exe

description	pid	process	target process
PID 2064 set thread context of 2520	2064	wupgrdsv.exe	notepad.exe

Drops file in Windows directory 4 IoCs

Processes:

1215329509.exeB74E.exe

description	ioc	process
File opened for modification	C:\Windows\sysmysldrv.exe	1215329509.exe
File created	C:\Windows\sysmablsvr.exe	B74E.exe
File opened for modification	C:\Windows\sysmablsvr.exe	B74E.exe
File created	C:\Windows\sysmysldrv.exe	1215329509.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

2312 sc.exe
1636 sc.exe
832 sc.exe
1740 sc.exe
1448 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2312	sc.exe
1636	sc.exe
832	sc.exe
1740	sc.exe
1448	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:

cmd.exesc.exesc.exesc.exe2768547bd585be3c6d69fe1e58719590N.exe1215329509.exepowershell.exe173985667.execmd.exesc.exesc.exe295572128.exesysmablsvr.exesysmysldrv.exeB74E.exe

description	ioc	process
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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2768547bd585be3c6d69fe1e58719590N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1215329509.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	173985667.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	295572128.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sysmablsvr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sysmysldrv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	B74E.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

2280 schtasks.exe
2992 schtasks.exe

pid	process
2280	schtasks.exe
2992	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

powershell.exe3985728092.exepowershell.exewupgrdsv.exepowershell.exe

pid	process
1616	powershell.exe
1348	3985728092.exe
1348	3985728092.exe
900	powershell.exe
1348	3985728092.exe
1348	3985728092.exe
2064	wupgrdsv.exe
2064	wupgrdsv.exe
892	powershell.exe
2064	wupgrdsv.exe
2064	wupgrdsv.exe

Suspicious behavior: SetClipboardViewer 1 IoCs

Processes:

sysmysldrv.exe

pid process

1236 sysmysldrv.exe

pid	process
1236	sysmysldrv.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

powershell.exepowershell.exepowershell.exenotepad.exe

description	pid	process
Token: SeDebugPrivilege	1616	powershell.exe
Token: SeDebugPrivilege	900	powershell.exe
Token: SeDebugPrivilege	892	powershell.exe
Token: SeLockMemoryPrivilege	2520	notepad.exe
Token: SeLockMemoryPrivilege	2520	notepad.exe

Suspicious use of FindShellTrayWindow 64 IoCs

Processes:

notepad.exe

pid	process
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe

Suspicious use of SendNotifyMessage 64 IoCs

Processes:

notepad.exe

pid	process
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe
2520	notepad.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

2768547bd585be3c6d69fe1e58719590N.exe

pid process

2236 2768547bd585be3c6d69fe1e58719590N.exe
2236 2768547bd585be3c6d69fe1e58719590N.exe
2236 2768547bd585be3c6d69fe1e58719590N.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

2768547bd585be3c6d69fe1e58719590N.exeB74E.exesysmablsvr.exe1215329509.exesysmysldrv.execmd.execmd.exe295572128.exe

description	pid	process	target process
PID 2236 wrote to memory of 2476	2236	2768547bd585be3c6d69fe1e58719590N.exe	B74E.exe
PID 2236 wrote to memory of 2476	2236	2768547bd585be3c6d69fe1e58719590N.exe	B74E.exe
PID 2236 wrote to memory of 2476	2236	2768547bd585be3c6d69fe1e58719590N.exe	B74E.exe
PID 2236 wrote to memory of 2476	2236	2768547bd585be3c6d69fe1e58719590N.exe	B74E.exe
PID 2476 wrote to memory of 2932	2476	B74E.exe	sysmablsvr.exe
PID 2476 wrote to memory of 2932	2476	B74E.exe	sysmablsvr.exe
PID 2476 wrote to memory of 2932	2476	B74E.exe	sysmablsvr.exe
PID 2476 wrote to memory of 2932	2476	B74E.exe	sysmablsvr.exe
PID 2932 wrote to memory of 2704	2932	sysmablsvr.exe	173985667.exe
PID 2932 wrote to memory of 2704	2932	sysmablsvr.exe	173985667.exe
PID 2932 wrote to memory of 2704	2932	sysmablsvr.exe	173985667.exe
PID 2932 wrote to memory of 2704	2932	sysmablsvr.exe	173985667.exe
PID 2932 wrote to memory of 3036	2932	sysmablsvr.exe	1215329509.exe
PID 2932 wrote to memory of 3036	2932	sysmablsvr.exe	1215329509.exe
PID 2932 wrote to memory of 3036	2932	sysmablsvr.exe	1215329509.exe
PID 2932 wrote to memory of 3036	2932	sysmablsvr.exe	1215329509.exe
PID 3036 wrote to memory of 1236	3036	1215329509.exe	sysmysldrv.exe
PID 3036 wrote to memory of 1236	3036	1215329509.exe	sysmysldrv.exe
PID 3036 wrote to memory of 1236	3036	1215329509.exe	sysmysldrv.exe
PID 3036 wrote to memory of 1236	3036	1215329509.exe	sysmysldrv.exe
PID 1236 wrote to memory of 1036	1236	sysmysldrv.exe	cmd.exe
PID 1236 wrote to memory of 1036	1236	sysmysldrv.exe	cmd.exe
PID 1236 wrote to memory of 1036	1236	sysmysldrv.exe	cmd.exe
PID 1236 wrote to memory of 1036	1236	sysmysldrv.exe	cmd.exe
PID 1236 wrote to memory of 1972	1236	sysmysldrv.exe	cmd.exe
PID 1236 wrote to memory of 1972	1236	sysmysldrv.exe	cmd.exe
PID 1236 wrote to memory of 1972	1236	sysmysldrv.exe	cmd.exe
PID 1236 wrote to memory of 1972	1236	sysmysldrv.exe	cmd.exe
PID 1036 wrote to memory of 1616	1036	cmd.exe	powershell.exe
PID 1036 wrote to memory of 1616	1036	cmd.exe	powershell.exe
PID 1036 wrote to memory of 1616	1036	cmd.exe	powershell.exe
PID 1036 wrote to memory of 1616	1036	cmd.exe	powershell.exe
PID 1972 wrote to memory of 2312	1972	cmd.exe	sc.exe
PID 1972 wrote to memory of 2312	1972	cmd.exe	sc.exe
PID 1972 wrote to memory of 2312	1972	cmd.exe	sc.exe
PID 1972 wrote to memory of 2312	1972	cmd.exe	sc.exe
PID 1972 wrote to memory of 1636	1972	cmd.exe	sc.exe
PID 1972 wrote to memory of 1636	1972	cmd.exe	sc.exe
PID 1972 wrote to memory of 1636	1972	cmd.exe	sc.exe
PID 1972 wrote to memory of 1636	1972	cmd.exe	sc.exe
PID 1972 wrote to memory of 832	1972	cmd.exe	sc.exe
PID 1972 wrote to memory of 832	1972	cmd.exe	sc.exe
PID 1972 wrote to memory of 832	1972	cmd.exe	sc.exe
PID 1972 wrote to memory of 832	1972	cmd.exe	sc.exe
PID 1972 wrote to memory of 1740	1972	cmd.exe	sc.exe
PID 1972 wrote to memory of 1740	1972	cmd.exe	sc.exe
PID 1972 wrote to memory of 1740	1972	cmd.exe	sc.exe
PID 1972 wrote to memory of 1740	1972	cmd.exe	sc.exe
PID 1972 wrote to memory of 1448	1972	cmd.exe	sc.exe
PID 1972 wrote to memory of 1448	1972	cmd.exe	sc.exe
PID 1972 wrote to memory of 1448	1972	cmd.exe	sc.exe
PID 1972 wrote to memory of 1448	1972	cmd.exe	sc.exe
PID 2932 wrote to memory of 2920	2932	sysmablsvr.exe	295572128.exe
PID 2932 wrote to memory of 2920	2932	sysmablsvr.exe	295572128.exe
PID 2932 wrote to memory of 2920	2932	sysmablsvr.exe	295572128.exe
PID 2932 wrote to memory of 2920	2932	sysmablsvr.exe	295572128.exe
PID 1236 wrote to memory of 748	1236	sysmysldrv.exe	241002435.exe
PID 1236 wrote to memory of 748	1236	sysmysldrv.exe	241002435.exe
PID 1236 wrote to memory of 748	1236	sysmysldrv.exe	241002435.exe
PID 1236 wrote to memory of 748	1236	sysmysldrv.exe	241002435.exe
PID 2920 wrote to memory of 1348	2920	295572128.exe	3985728092.exe
PID 2920 wrote to memory of 1348	2920	295572128.exe	3985728092.exe
PID 2920 wrote to memory of 1348	2920	295572128.exe	3985728092.exe
PID 2920 wrote to memory of 1348	2920	295572128.exe	3985728092.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:1188
- C:\Users\Admin\AppData\Local\Temp\2768547bd585be3c6d69fe1e58719590N.exe
  "C:\Users\Admin\AppData\Local\Temp\2768547bd585be3c6d69fe1e58719590N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2236
- - C:\Users\Admin\AppData\Local\Temp\B74E.exe
    "C:\Users\Admin\AppData\Local\Temp\B74E.exe"
    3⤵
    - 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:2476
  - - C:\Windows\sysmablsvr.exe
      C:\Windows\sysmablsvr.exe
      4⤵
      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:2932
    - - C:\Users\Admin\AppData\Local\Temp\173985667.exe
        
        C:\Users\Admin\AppData\Local\Temp\173985667.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:2704
    - - C:\Users\Admin\AppData\Local\Temp\1215329509.exe
        
        C:\Users\Admin\AppData\Local\Temp\1215329509.exe
        5⤵
        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:3036
      - C:\Windows\sysmysldrv.exe
        
        C:\Windows\sysmysldrv.exe
        6⤵
        Modifies security service
        Windows security bypass
        Executes dropped EXE
        Loads dropped DLL
        Windows security modification
        System Location Discovery: System Language Discovery
        Suspicious behavior: SetClipboardViewer
        Suspicious use of WriteProcessMemory
        
        PID:1236
        
        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"
        7⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1036
        
        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"
        8⤵
        Command and Scripting Interpreter: PowerShell
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1616
        
        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
        7⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1972
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop UsoSvc
        8⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:2312
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop WaaSMedicSvc
        8⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:1636
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop wuauserv
        8⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:832
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop DoSvc
        8⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:1740
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop BITS
        8⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:1448
        
        C:\Users\Admin\AppData\Local\Temp\241002435.exe
        
        C:\Users\Admin\AppData\Local\Temp\241002435.exe
        7⤵
        Executes dropped EXE
        
        PID:748
        
        C:\Users\Admin\AppData\Local\Temp\1624126326.exe
        
        C:\Users\Admin\AppData\Local\Temp\1624126326.exe
        7⤵
        Executes dropped EXE
        
        PID:1272
        
        C:\Users\Admin\AppData\Local\Temp\1714631817.exe
        
        C:\Users\Admin\AppData\Local\Temp\1714631817.exe
        7⤵
        Executes dropped EXE
        
        PID:2752
    - - C:\Users\Admin\AppData\Local\Temp\295572128.exe
        
        C:\Users\Admin\AppData\Local\Temp\295572128.exe
        5⤵
        Executes dropped EXE
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2920
      - C:\Users\Admin\AppData\Local\Temp\3985728092.exe
        
        C:\Users\Admin\AppData\Local\Temp\3985728092.exe
        6⤵
        Suspicious use of NtCreateUserProcessOtherParentProcess
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        
        PID:1348
- 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:900
- - 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:2280
- C:\Windows\System32\schtasks.exe
  C:\Windows\System32\schtasks.exe /run /tn "Windows Upgrade Manager"
  2⤵
  PID:1568
- 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:892
- - 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:2992
- C:\Windows\System32\notepad.exe
  C:\Windows\System32\notepad.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:2520

C:\Windows\system32\taskeng.exe
taskeng.exe {3F901480-FC0B-4C18-BD0A-0B2DA272AD3A} S-1-5-21-3294248377-1418901787-4083263181-1000:FMEDFXFE\Admin:Interactive:[1]
1⤵
- Loads dropped DLL
PID:2184
- 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:2064

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\1714631817.exe

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\UFPG0LGRCKPW6Z7LVVOA.temp

Filesize
7KB

MD5
9ca456df3780eb19b7d46aae3de8d776

SHA1
f54f5b4e8f5b30ca27bcc96ad1d22cb895f28ae0

SHA256
ee585add8e724ee0886dace00b7d2fb262c6a559e141b87b93d16904f27836a1

SHA512
1c7dfb4b0bc8d4e278bab6f63458e9bcb4b560558abba938f3923fc475866f0802e30140d5955ade44f7c47e35bc388b48c24a1fe78c6a9a8c5734c39ead076e

Download Submit
C:\Users\Admin\tbtnds.dat

Filesize
3KB

MD5
ebed95f4c04cfee102496cf1a19210ed

SHA1
4b9636046084e6d160d37a4d47f6b1688a80ce8d

SHA256
83b05e9886c50a4045e8de49a1452509b02311a19acbec3878e6dff5088e7420

SHA512
2341fe0d959dc20e46ab9cd35f9694be45c10f3ac733055b4e62ae23dcac56a2cf94d7cbda08e4dc90a36690cb492f51757685fdb03f622514ea10ea30834c36

Download Submit
\Users\Admin\AppData\Local\Temp\1215329509.exe

Filesize
92KB

MD5
be9388b42333b3d4e163b0ace699897b

SHA1
4e1109772eb9cb59c557380822166fe1664403bd

SHA256
d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f

SHA512
5f887f1060b898c9a88745cde7cf509fdf42947ab8e5948b46c2df659468dc245b24d089bdbec0b314c40b83934698bf4b6feb8954e32810ff8f522aab0af19a

Download Submit
\Users\Admin\AppData\Local\Temp\173985667.exe

Filesize
7KB

MD5
af0622340ed8ba48efa92e0b2d9aca7b

SHA1
77e7181b4d4e6957cf13ba37f590cf219aac88cb

SHA256
7b7d433c6c204ed3bcd1ea74106592edfa1a30b6ef7bbc3ed21efcbadc51e526

SHA512
e1368c1c292789115b51cae549bd2d484dbc614eb3e57aa5fce324385d28e9fbddf60064b4c88237b38cded294d090d07c491b646651c45bcd6235630d94ef46

Download Submit
\Users\Admin\AppData\Local\Temp\295572128.exe

Filesize
10KB

MD5
4fe8dc617311f7b6a4b8ebe0b1e24090

SHA1
2bd9341f17c8c0c62e56e1863b1d2f9c43cb30e5

SHA256
5016e413b0c563efc920165e7235c9f2706808877668bd297b41435acc7aade4

SHA512
910a12fbaffd45b0f797a95c6678a32c4a27adbb7d1474f183f8863d310d31fbba17d5d747da87ac4a30dd7cb22c67a4d1c25b302ef0c3f6954d91a459c692db

Download Submit
\Users\Admin\AppData\Local\Temp\3985728092.exe

Filesize
5.4MB

MD5
41ab08c1955fce44bfd0c76a64d1945a

SHA1
2b9cb05f4de5d98c541d15175d7f0199cbdd0eea

SHA256
dd12cb27b3867341bf6ca48715756500d3ec56c19b21bb1c1290806aa74cb493

SHA512
38834ae703a8541b4fec9a1db94cfe296ead58649bb1d4873b517df14d0c6a9d25e49ff04c2bf6bb0188845116a4e894aae930d849f9be8c98d2ce51da1ef116

Download Submit
\Users\Admin\AppData\Local\Temp\B74E.exe

Filesize
88KB

MD5
ababca6d12d96e8dd2f1d7114b406fae

SHA1
dcd9798e83ec688aacb3de8911492a232cb41a32

SHA256
a992920e64a64763f3dd8c2a431a0f5e56e5b3782a1496de92bc80ee71cca5ba

SHA512
b7fc70c176bdc74cf68b14e694f3e53142e64d39bd6d3e0f2e3a74ce3178ea606f92f760d21db69d72ae6677545a47c7bf390fb65cd5247a48e239f6ae8f7b8f

Download Submit
memory/892-110-0x0000000002820000-0x0000000002828000-memory.dmp

Filesize
32KB

Download
memory/892-109-0x000000001B4F0000-0x000000001B7D2000-memory.dmp

Filesize
2.9MB

Download
memory/900-93-0x0000000002920000-0x0000000002928000-memory.dmp

Filesize
32KB

Download
memory/900-92-0x000000001B510000-0x000000001B7F2000-memory.dmp

Filesize
2.9MB

Download
memory/1348-96-0x000000013F520000-0x000000013FA96000-memory.dmp

Filesize
5.5MB

Download
memory/2064-113-0x000000013FF80000-0x00000001404F6000-memory.dmp

Filesize
5.5MB

Download
memory/2236-11-0x0000000000B00000-0x0000000000B01000-memory.dmp

Filesize
4KB

Download
memory/2236-50-0x0000000000B00000-0x0000000000B01000-memory.dmp

Filesize
4KB

Download
memory/2236-20-0x0000000000400000-0x00000000006D9DA0-memory.dmp

Filesize
2.9MB

Download
memory/2520-114-0x0000000000050000-0x0000000000070000-memory.dmp

Filesize
128KB

Download
memory/2520-121-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/2520-124-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/2520-126-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/2520-130-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/2520-132-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/2520-134-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download