phorphiex | 73781e5d1dec36623b34bea8869720423d535ceaad374873aa063e6902d7a7a4

Resubmissions

12/08/2024, 15:00

240812-sdmc5a1amd10

11/08/2024, 22:36

240811-2h7passckm10

Analysis

max time kernel
150s
max time network
149s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
12/08/2024, 15:00

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General

Target
73781e5d1dec36623b34bea8869720423d535ceaad374873aa063e6902d7a7a4.exe
Size 2.6MB
Sample240812-sdmc5a1amd
SHA256 73781e5d1dec36623b34bea8869720423d535ceaad374873aa063e6902d7a7a4
MD5 4880d653fe05521ce2bc23d8017c6f3e
SHA1 0b00c10fd7c796f62d5ef95010f1fd448016b3f3
SHA512 82ac91fe4d553f8cbb9c323bd1c7f26ff2cf8a007663c0536e938d57ec8392d7f97847bb7fa0477654fa4960a0e73f5428dc7621ce5152d1c8d085a20f4b9f15
SSDEEP 49152:TSL5CzlMktoOxSO8N806RDnVyTG066LqS8IBUYyaLAH8MCpeELjW27c4inkRYROl:TSEzikGhLwyTG06i1oUv7Lj1OpvdsxJC
MD5 SHA1 SHA512 SSDEEP

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

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

Phorphiex payload 2 IoCs

resource	yara_rule
behavioral1/files/0x00080000000143c3-4.dat	family_phorphiex
behavioral1/files/0x0009000000014726-32.dat	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

description	pid	Process	procid_target
PID 2180 created 1200	2180	3665124956.exe	21
PID 2180 created 1200	2180	3665124956.exe	21
PID 2644 created 1200	2644	wupgrdsv.exe	21
PID 2644 created 1200	2644	wupgrdsv.exe	21

Windows security bypass 2 TTPs 12 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

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\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\UpdatesDisableNotify = "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\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\UpdatesOverride = "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\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 9 IoCs

miner

resource	yara_rule
behavioral1/memory/2644-112-0x000000013FA20000-0x000000013FF96000-memory.dmp	xmrig
behavioral1/memory/2432-115-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/2432-116-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/2432-117-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/2432-120-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/2432-121-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/2432-122-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/2432-125-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/2432-126-0x0000000140000000-0x00000001407EF000-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

pid	Process
1192	powershell.exe
2028	powershell.exe
2188	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

pid	Process
2416	A7E3.exe
2912	sysmablsvr.exe
2704	179104935.exe
1952	2370628979.exe
2008	sysmysldrv.exe
656	1531131556.exe
572	2635231759.exe
2132	1564923140.exe
2180	3665124956.exe
2644	wupgrdsv.exe
1136	1138929138.exe

Loads dropped DLL 12 IoCs

pid	Process
2560	73781e5d1dec36623b34bea8869720423d535ceaad374873aa063e6902d7a7a4.exe
2560	73781e5d1dec36623b34bea8869720423d535ceaad374873aa063e6902d7a7a4.exe
2912	sysmablsvr.exe
2912	sysmablsvr.exe
2912	sysmablsvr.exe
2912	sysmablsvr.exe
2008	sysmysldrv.exe
2008	sysmysldrv.exe
2008	sysmysldrv.exe
656	1531131556.exe
2668	taskeng.exe
2008	sysmysldrv.exe

Windows security modification 2 TTPs 14 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysmablsvr.exe"	A7E3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysmysldrv.exe"	2370628979.exe

Drops file in System32 directory 2 IoCs

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

description	pid	Process	procid_target
PID 2644 set thread context of 2432	2644	wupgrdsv.exe	64

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\sysmysldrv.exe	2370628979.exe
File created	C:\Windows\sysmablsvr.exe	A7E3.exe
File opened for modification	C:\Windows\sysmablsvr.exe	A7E3.exe
File created	C:\Windows\sysmysldrv.exe	2370628979.exe

Launches sc.exe 5 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2288	sc.exe
1988	sc.exe
2596	sc.exe
748	sc.exe
1788	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sysmysldrv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	179104935.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	A7E3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1531131556.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sysmablsvr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2370628979.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	73781e5d1dec36623b34bea8869720423d535ceaad374873aa063e6902d7a7a4.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

pid	Process
1752	schtasks.exe
2004	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1192	powershell.exe
2180	3665124956.exe
2180	3665124956.exe
2028	powershell.exe
2180	3665124956.exe
2180	3665124956.exe
2644	wupgrdsv.exe
2644	wupgrdsv.exe
2188	powershell.exe
2644	wupgrdsv.exe
2644	wupgrdsv.exe

Suspicious behavior: SetClipboardViewer 1 IoCs

pid	Process
2008	sysmysldrv.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1192	powershell.exe
Token: SeDebugPrivilege	2028	powershell.exe
Token: SeDebugPrivilege	2188	powershell.exe
Token: SeLockMemoryPrivilege	2432	notepad.exe
Token: SeLockMemoryPrivilege	2432	notepad.exe

Suspicious use of FindShellTrayWindow 64 IoCs

pid	Process
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe

Suspicious use of SendNotifyMessage 64 IoCs

pid	Process
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe
2432	notepad.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 2416	2560	73781e5d1dec36623b34bea8869720423d535ceaad374873aa063e6902d7a7a4.exe	30
PID 2560 wrote to memory of 2416	2560	73781e5d1dec36623b34bea8869720423d535ceaad374873aa063e6902d7a7a4.exe	30
PID 2560 wrote to memory of 2416	2560	73781e5d1dec36623b34bea8869720423d535ceaad374873aa063e6902d7a7a4.exe	30
PID 2560 wrote to memory of 2416	2560	73781e5d1dec36623b34bea8869720423d535ceaad374873aa063e6902d7a7a4.exe	30
PID 2560 wrote to memory of 2416	2560	73781e5d1dec36623b34bea8869720423d535ceaad374873aa063e6902d7a7a4.exe	30
PID 2560 wrote to memory of 2416	2560	73781e5d1dec36623b34bea8869720423d535ceaad374873aa063e6902d7a7a4.exe	30
PID 2560 wrote to memory of 2416	2560	73781e5d1dec36623b34bea8869720423d535ceaad374873aa063e6902d7a7a4.exe	30
PID 2416 wrote to memory of 2912	2416	A7E3.exe	31
PID 2416 wrote to memory of 2912	2416	A7E3.exe	31
PID 2416 wrote to memory of 2912	2416	A7E3.exe	31
PID 2416 wrote to memory of 2912	2416	A7E3.exe	31
PID 2416 wrote to memory of 2912	2416	A7E3.exe	31
PID 2416 wrote to memory of 2912	2416	A7E3.exe	31
PID 2416 wrote to memory of 2912	2416	A7E3.exe	31
PID 2912 wrote to memory of 2704	2912	sysmablsvr.exe	34
PID 2912 wrote to memory of 2704	2912	sysmablsvr.exe	34
PID 2912 wrote to memory of 2704	2912	sysmablsvr.exe	34
PID 2912 wrote to memory of 2704	2912	sysmablsvr.exe	34
PID 2912 wrote to memory of 1952	2912	sysmablsvr.exe	35
PID 2912 wrote to memory of 1952	2912	sysmablsvr.exe	35
PID 2912 wrote to memory of 1952	2912	sysmablsvr.exe	35
PID 2912 wrote to memory of 1952	2912	sysmablsvr.exe	35
PID 1952 wrote to memory of 2008	1952	2370628979.exe	36
PID 1952 wrote to memory of 2008	1952	2370628979.exe	36
PID 1952 wrote to memory of 2008	1952	2370628979.exe	36
PID 1952 wrote to memory of 2008	1952	2370628979.exe	36
PID 2008 wrote to memory of 2076	2008	sysmysldrv.exe	37
PID 2008 wrote to memory of 2076	2008	sysmysldrv.exe	37
PID 2008 wrote to memory of 2076	2008	sysmysldrv.exe	37
PID 2008 wrote to memory of 2076	2008	sysmysldrv.exe	37
PID 2008 wrote to memory of 316	2008	sysmysldrv.exe	39
PID 2008 wrote to memory of 316	2008	sysmysldrv.exe	39
PID 2008 wrote to memory of 316	2008	sysmysldrv.exe	39
PID 2008 wrote to memory of 316	2008	sysmysldrv.exe	39
PID 2076 wrote to memory of 1192	2076	cmd.exe	41
PID 2076 wrote to memory of 1192	2076	cmd.exe	41
PID 2076 wrote to memory of 1192	2076	cmd.exe	41
PID 2076 wrote to memory of 1192	2076	cmd.exe	41
PID 316 wrote to memory of 2288	316	cmd.exe	42
PID 316 wrote to memory of 2288	316	cmd.exe	42
PID 316 wrote to memory of 2288	316	cmd.exe	42
PID 316 wrote to memory of 2288	316	cmd.exe	42
PID 316 wrote to memory of 1988	316	cmd.exe	43
PID 316 wrote to memory of 1988	316	cmd.exe	43
PID 316 wrote to memory of 1988	316	cmd.exe	43
PID 316 wrote to memory of 1988	316	cmd.exe	43
PID 316 wrote to memory of 2596	316	cmd.exe	44
PID 316 wrote to memory of 2596	316	cmd.exe	44
PID 316 wrote to memory of 2596	316	cmd.exe	44
PID 316 wrote to memory of 2596	316	cmd.exe	44
PID 316 wrote to memory of 748	316	cmd.exe	45
PID 316 wrote to memory of 748	316	cmd.exe	45
PID 316 wrote to memory of 748	316	cmd.exe	45
PID 316 wrote to memory of 748	316	cmd.exe	45
PID 316 wrote to memory of 1788	316	cmd.exe	46
PID 316 wrote to memory of 1788	316	cmd.exe	46
PID 316 wrote to memory of 1788	316	cmd.exe	46
PID 316 wrote to memory of 1788	316	cmd.exe	46
PID 2912 wrote to memory of 656	2912	sysmablsvr.exe	48
PID 2912 wrote to memory of 656	2912	sysmablsvr.exe	48
PID 2912 wrote to memory of 656	2912	sysmablsvr.exe	48
PID 2912 wrote to memory of 656	2912	sysmablsvr.exe	48
PID 2008 wrote to memory of 572	2008	sysmysldrv.exe	49
PID 2008 wrote to memory of 572	2008	sysmysldrv.exe	49

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:1200
- C:\Users\Admin\AppData\Local\Temp\73781e5d1dec36623b34bea8869720423d535ceaad374873aa063e6902d7a7a4.exe
  "C:\Users\Admin\AppData\Local\Temp\73781e5d1dec36623b34bea8869720423d535ceaad374873aa063e6902d7a7a4.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2560
- - C:\Users\Admin\AppData\Local\Temp\A7E3.exe
    "C:\Users\Admin\AppData\Local\Temp\A7E3.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:2416
  - - 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:2912
    - - C:\Users\Admin\AppData\Local\Temp\179104935.exe
        
        C:\Users\Admin\AppData\Local\Temp\179104935.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:2704
    - - C:\Users\Admin\AppData\Local\Temp\2370628979.exe
        
        C:\Users\Admin\AppData\Local\Temp\2370628979.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:1952
      - 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:2008
        
        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:2076
        
        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:1192
        
        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:316
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop UsoSvc
        8⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:2288
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop WaaSMedicSvc
        8⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:1988
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop wuauserv
        8⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:2596
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop DoSvc
        8⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:748
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop BITS
        8⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:1788
        
        C:\Users\Admin\AppData\Local\Temp\2635231759.exe
        
        C:\Users\Admin\AppData\Local\Temp\2635231759.exe
        7⤵
        Executes dropped EXE
        
        PID:572
        
        C:\Users\Admin\AppData\Local\Temp\1564923140.exe
        
        C:\Users\Admin\AppData\Local\Temp\1564923140.exe
        7⤵
        Executes dropped EXE
        
        PID:2132
        
        C:\Users\Admin\AppData\Local\Temp\1138929138.exe
        
        C:\Users\Admin\AppData\Local\Temp\1138929138.exe
        7⤵
        Executes dropped EXE
        
        PID:1136
    - - C:\Users\Admin\AppData\Local\Temp\1531131556.exe
        
        C:\Users\Admin\AppData\Local\Temp\1531131556.exe
        5⤵
        Executes dropped EXE
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        
        PID:656
      - C:\Users\Admin\AppData\Local\Temp\3665124956.exe
        
        C:\Users\Admin\AppData\Local\Temp\3665124956.exe
        6⤵
        Suspicious use of NtCreateUserProcessOtherParentProcess
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        
        PID:2180
- 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:2028
- - 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:1752
- C:\Windows\System32\schtasks.exe
  C:\Windows\System32\schtasks.exe /run /tn "Windows Upgrade Manager"
  2⤵
  PID:2212
- 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:2188
- - 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:2004
- C:\Windows\System32\notepad.exe
  C:\Windows\System32\notepad.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:2432

C:\Windows\system32\taskeng.exe
taskeng.exe {E557E507-B8EF-49D2-87D6-DD569EF8A081} S-1-5-21-1506706701-1246725540-2219210854-1000:MUYDDIIS\Admin:Interactive:[1]
1⤵
- Loads dropped DLL
PID:2668
- 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:2644

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

2Q714CSQ9FPDN73KRG10.temp

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\2Q714CSQ9FPDN73KRG10.temp
Size 7KB
SHA256 0fa7187d4efe00af1aaf6b38d00a018931be438f3cd8243a46f6346262946f49
MD5 6ab14d3b9d8e6ef37599bc87c762335e
SHA1 42bdbeb8499e69f2d5375bcbdc64ced3e0951a0e
SHA512 bcc6888f000dc071885667cad8bfcf825e2a2eaea755590ca9a08c210c737b9148bb8ac9a5e2fce766960eee66f2b5eebce58372fa1493367851a4d2237dc824
SSDEEP 96:gJaCweM8TnqvsqvJCwo5JaCweM8TnqvsEHyqvJCworriuXQHbE7BqXlUVc3l:QPvUoHPvAHnorrrGE7BqL
MD5 SHA1 SHA512 SSDEEP

Submit Download

tbtnds.dat

Path C:\Users\Admin\tbtnds.dat
Size 3KB
SHA256 9fe63f3bb2d7a142c208fe8e9978b8cc2a7de22cf5256fd60581bb461614d1be
MD5 8f585cfd4bcb25d0c06778ef82f37804
SHA1 3e7f6d52f672a3f17d7da0d2f141fcb44d621b0a
SHA512 057a5c7985a9ccab37258b5f49a7bfe814b82e4bcddef200ab1ee19e78bc61c173821059e0b410cb3cb44c2dd55adc72300ed8b2908da596d64eb8ad36d1532a
MD5 SHA1 SHA512

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1531131556.exe

Path \Users\Admin\AppData\Local\Temp\1531131556.exe
Size 10KB
SHA256 5016e413b0c563efc920165e7235c9f2706808877668bd297b41435acc7aade4
MD5 4fe8dc617311f7b6a4b8ebe0b1e24090
SHA1 2bd9341f17c8c0c62e56e1863b1d2f9c43cb30e5
SHA512 910a12fbaffd45b0f797a95c6678a32c4a27adbb7d1474f183f8863d310d31fbba17d5d747da87ac4a30dd7cb22c67a4d1c25b302ef0c3f6954d91a459c692db
SSDEEP 96:vdHiIV5H6c10lqo9ZYAoQdVDCcJ+587tGWAuJxGE9btz2qhRC7tCEOhd1Q:vdHiQ5HV1wr9KA/J+inJxTZtzthyOhd
MD5 SHA1 SHA512 SSDEEP

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179104935.exe

Path \Users\Admin\AppData\Local\Temp\179104935.exe
Size 7KB
SHA256 7b7d433c6c204ed3bcd1ea74106592edfa1a30b6ef7bbc3ed21efcbadc51e526
MD5 af0622340ed8ba48efa92e0b2d9aca7b
SHA1 77e7181b4d4e6957cf13ba37f590cf219aac88cb
SHA512 e1368c1c292789115b51cae549bd2d484dbc614eb3e57aa5fce324385d28e9fbddf60064b4c88237b38cded294d090d07c491b646651c45bcd6235630d94ef46
SSDEEP 96:mzwFX3bMUk2d5BDHN9LT+9AjXwL/vjZCJxSEcUOy2qp3C7tCEI4LO:MwFnQUk4vJ+6ooJx3cUOytpcI4K
MD5 SHA1 SHA512 SSDEEP

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2370628979.exe

Path \Users\Admin\AppData\Local\Temp\2370628979.exe
Size 92KB
SHA256 d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f
MD5 be9388b42333b3d4e163b0ace699897b
SHA1 4e1109772eb9cb59c557380822166fe1664403bd
SHA512 5f887f1060b898c9a88745cde7cf509fdf42947ab8e5948b46c2df659468dc245b24d089bdbec0b314c40b83934698bf4b6feb8954e32810ff8f522aab0af19a
SSDEEP 1536:s9Ww4/inFmav82M1KeKKHqW4KYFqkKUSne1wjAUG94wU3K:UWwohOT44KktKGa87U3K
MD5 SHA1 SHA512 SSDEEP

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3665124956.exe

Path \Users\Admin\AppData\Local\Temp\3665124956.exe
Size 5.4MB
SHA256 dd12cb27b3867341bf6ca48715756500d3ec56c19b21bb1c1290806aa74cb493
MD5 41ab08c1955fce44bfd0c76a64d1945a
SHA1 2b9cb05f4de5d98c541d15175d7f0199cbdd0eea
SHA512 38834ae703a8541b4fec9a1db94cfe296ead58649bb1d4873b517df14d0c6a9d25e49ff04c2bf6bb0188845116a4e894aae930d849f9be8c98d2ce51da1ef116
SSDEEP 98304:vavlQIN33nVKboT7MAwtCUxDwoQtKjnX6Og6X2XcNlfYWzdgIT3:vIlQIN33nVKboT7MAwtCYzQQjn46yQls
MD5 SHA1 SHA512 SSDEEP

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A7E3.exe

Path \Users\Admin\AppData\Local\Temp\A7E3.exe
Size 88KB
SHA256 a992920e64a64763f3dd8c2a431a0f5e56e5b3782a1496de92bc80ee71cca5ba
MD5 ababca6d12d96e8dd2f1d7114b406fae
SHA1 dcd9798e83ec688aacb3de8911492a232cb41a32
SHA512 b7fc70c176bdc74cf68b14e694f3e53142e64d39bd6d3e0f2e3a74ce3178ea606f92f760d21db69d72ae6677545a47c7bf390fb65cd5247a48e239f6ae8f7b8f
SSDEEP 1536:wL0IGzbFmav82XwudP6+0MTqEjXm/D5AKHK:c0poOfP6+JuEjaaKHK
MD5 SHA1 SHA512 SSDEEP

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memory/2028-90-0x000000001B4A0000-0x000000001B782000-memory.dmp

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memory/2028-91-0x00000000028A0000-0x00000000028A8000-memory.dmp

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memory/2180-94-0x000000013FFA0000-0x0000000140516000-memory.dmp

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memory/2188-108-0x000000001B4E0000-0x000000001B7C2000-memory.dmp

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memory/2188-109-0x0000000001F80000-0x0000000001F88000-memory.dmp

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memory/2432-113-0x00000000000B0000-0x00000000000D0000-memory.dmp

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memory/2432-115-0x0000000140000000-0x00000001407EF000-memory.dmp

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memory/2432-116-0x0000000140000000-0x00000001407EF000-memory.dmp

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memory/2432-117-0x0000000140000000-0x00000001407EF000-memory.dmp

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memory/2432-120-0x0000000140000000-0x00000001407EF000-memory.dmp

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memory/2432-121-0x0000000140000000-0x00000001407EF000-memory.dmp

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memory/2432-122-0x0000000140000000-0x00000001407EF000-memory.dmp

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memory/2432-125-0x0000000140000000-0x00000001407EF000-memory.dmp

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memory/2432-126-0x0000000140000000-0x00000001407EF000-memory.dmp

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memory/2644-112-0x000000013FA20000-0x000000013FF96000-memory.dmp

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