phorphiex | 73781e5d1dec36623b34bea8869720423d535ceaad374873aa063e6902d7a7a4

Resubmissions

12/08/2024, 15:00

240812-sdmc5a1amd10

11/08/2024, 22:36

240811-2h7passckm10

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/08/2024, 22:36

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General

Target
73781e5d1dec36623b34bea8869720423d535ceaad374873aa063e6902d7a7a4.exe
Size 2.6MB
Sample240811-2h7passckm
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://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 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
behavioral2/files/0x00070000000235f1-4.dat	family_phorphiex
behavioral2/files/0x0007000000023602-24.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 1632 created 3532	1632	3014321336.exe	56
PID 1632 created 3532	1632	3014321336.exe	56
PID 3764 created 3532	3764	wupgrdsv.exe	56
PID 3764 created 3532	3764	wupgrdsv.exe	56

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

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

XMRig Miner payload 10 IoCs

miner

resource	yara_rule
behavioral2/memory/3764-135-0x00007FF77AC50000-0x00007FF77B1C6000-memory.dmp	xmrig
behavioral2/memory/4764-137-0x00007FF747A50000-0x00007FF74823F000-memory.dmp	xmrig
behavioral2/memory/4764-139-0x00007FF747A50000-0x00007FF74823F000-memory.dmp	xmrig
behavioral2/memory/4764-140-0x00007FF747A50000-0x00007FF74823F000-memory.dmp	xmrig
behavioral2/memory/4764-143-0x00007FF747A50000-0x00007FF74823F000-memory.dmp	xmrig
behavioral2/memory/4764-144-0x00007FF747A50000-0x00007FF74823F000-memory.dmp	xmrig
behavioral2/memory/4764-145-0x00007FF747A50000-0x00007FF74823F000-memory.dmp	xmrig
behavioral2/memory/4764-146-0x00007FF747A50000-0x00007FF74823F000-memory.dmp	xmrig
behavioral2/memory/4764-149-0x00007FF747A50000-0x00007FF74823F000-memory.dmp	xmrig
behavioral2/memory/4764-150-0x00007FF747A50000-0x00007FF74823F000-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
3568	powershell.exe
1652	powershell.exe
4428	powershell.exe

Downloads MZ/PE file
Stops running service(s) 4 TTPs
evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

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

Executes dropped EXE 11 IoCs

pid	Process
4732	3DFE.exe
4060	sysmablsvr.exe
4112	3056130431.exe
2428	149821746.exe
1112	sysmysldrv.exe
4792	2111927910.exe
4936	3285132603.exe
2492	1192323971.exe
1632	3014321336.exe
3764	wupgrdsv.exe
3444	2340930083.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\AntiVirusOverride = "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\UpdatesDisableNotify = "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\UpdatesDisableNotify = "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\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"	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\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\FirewallOverride = "1"	sysmysldrv.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"	3DFE.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysmysldrv.exe"	149821746.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3764 set thread context of 4764	3764	wupgrdsv.exe	133

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\sysmablsvr.exe	3DFE.exe
File opened for modification	C:\Windows\sysmablsvr.exe	3DFE.exe
File created	C:\Windows\sysmysldrv.exe	149821746.exe
File opened for modification	C:\Windows\sysmysldrv.exe	149821746.exe

Launches sc.exe 5 IoCs

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

pid	Process
2408	sc.exe
3352	sc.exe
4424	sc.exe
548	sc.exe
4528	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 18 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	1192323971.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2340930083.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	149821746.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	3285132603.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	73781e5d1dec36623b34bea8869720423d535ceaad374873aa063e6902d7a7a4.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	3DFE.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3056130431.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sysmysldrv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2111927910.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sysmablsvr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
3568	powershell.exe
3568	powershell.exe
3568	powershell.exe
1632	3014321336.exe
1632	3014321336.exe
1652	powershell.exe
1652	powershell.exe
1652	powershell.exe
1632	3014321336.exe
1632	3014321336.exe
3764	wupgrdsv.exe
3764	wupgrdsv.exe
4428	powershell.exe
4428	powershell.exe
4428	powershell.exe
3764	wupgrdsv.exe
3764	wupgrdsv.exe

Suspicious behavior: SetClipboardViewer 1 IoCs

pid	Process
1112	sysmysldrv.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3568	powershell.exe
Token: SeDebugPrivilege	1652	powershell.exe
Token: SeIncreaseQuotaPrivilege	1652	powershell.exe
Token: SeSecurityPrivilege	1652	powershell.exe
Token: SeTakeOwnershipPrivilege	1652	powershell.exe
Token: SeLoadDriverPrivilege	1652	powershell.exe
Token: SeSystemProfilePrivilege	1652	powershell.exe
Token: SeSystemtimePrivilege	1652	powershell.exe
Token: SeProfSingleProcessPrivilege	1652	powershell.exe
Token: SeIncBasePriorityPrivilege	1652	powershell.exe
Token: SeCreatePagefilePrivilege	1652	powershell.exe
Token: SeBackupPrivilege	1652	powershell.exe
Token: SeRestorePrivilege	1652	powershell.exe
Token: SeShutdownPrivilege	1652	powershell.exe
Token: SeDebugPrivilege	1652	powershell.exe
Token: SeSystemEnvironmentPrivilege	1652	powershell.exe
Token: SeRemoteShutdownPrivilege	1652	powershell.exe
Token: SeUndockPrivilege	1652	powershell.exe
Token: SeManageVolumePrivilege	1652	powershell.exe
Token: 33	1652	powershell.exe
Token: 34	1652	powershell.exe
Token: 35	1652	powershell.exe
Token: 36	1652	powershell.exe
Token: SeIncreaseQuotaPrivilege	1652	powershell.exe
Token: SeSecurityPrivilege	1652	powershell.exe
Token: SeTakeOwnershipPrivilege	1652	powershell.exe
Token: SeLoadDriverPrivilege	1652	powershell.exe
Token: SeSystemProfilePrivilege	1652	powershell.exe
Token: SeSystemtimePrivilege	1652	powershell.exe
Token: SeProfSingleProcessPrivilege	1652	powershell.exe
Token: SeIncBasePriorityPrivilege	1652	powershell.exe
Token: SeCreatePagefilePrivilege	1652	powershell.exe
Token: SeBackupPrivilege	1652	powershell.exe
Token: SeRestorePrivilege	1652	powershell.exe
Token: SeShutdownPrivilege	1652	powershell.exe
Token: SeDebugPrivilege	1652	powershell.exe
Token: SeSystemEnvironmentPrivilege	1652	powershell.exe
Token: SeRemoteShutdownPrivilege	1652	powershell.exe
Token: SeUndockPrivilege	1652	powershell.exe
Token: SeManageVolumePrivilege	1652	powershell.exe
Token: 33	1652	powershell.exe
Token: 34	1652	powershell.exe
Token: 35	1652	powershell.exe
Token: 36	1652	powershell.exe
Token: SeIncreaseQuotaPrivilege	1652	powershell.exe
Token: SeSecurityPrivilege	1652	powershell.exe
Token: SeTakeOwnershipPrivilege	1652	powershell.exe
Token: SeLoadDriverPrivilege	1652	powershell.exe
Token: SeSystemProfilePrivilege	1652	powershell.exe
Token: SeSystemtimePrivilege	1652	powershell.exe
Token: SeProfSingleProcessPrivilege	1652	powershell.exe
Token: SeIncBasePriorityPrivilege	1652	powershell.exe
Token: SeCreatePagefilePrivilege	1652	powershell.exe
Token: SeBackupPrivilege	1652	powershell.exe
Token: SeRestorePrivilege	1652	powershell.exe
Token: SeShutdownPrivilege	1652	powershell.exe
Token: SeDebugPrivilege	1652	powershell.exe
Token: SeSystemEnvironmentPrivilege	1652	powershell.exe
Token: SeRemoteShutdownPrivilege	1652	powershell.exe
Token: SeUndockPrivilege	1652	powershell.exe
Token: SeManageVolumePrivilege	1652	powershell.exe
Token: 33	1652	powershell.exe
Token: 34	1652	powershell.exe
Token: 35	1652	powershell.exe

Suspicious use of WriteProcessMemory 54 IoCs

description	pid	Process	procid_target
PID 1832 wrote to memory of 4732	1832	73781e5d1dec36623b34bea8869720423d535ceaad374873aa063e6902d7a7a4.exe	94
PID 1832 wrote to memory of 4732	1832	73781e5d1dec36623b34bea8869720423d535ceaad374873aa063e6902d7a7a4.exe	94
PID 1832 wrote to memory of 4732	1832	73781e5d1dec36623b34bea8869720423d535ceaad374873aa063e6902d7a7a4.exe	94
PID 4732 wrote to memory of 4060	4732	3DFE.exe	95
PID 4732 wrote to memory of 4060	4732	3DFE.exe	95
PID 4732 wrote to memory of 4060	4732	3DFE.exe	95
PID 4060 wrote to memory of 4112	4060	sysmablsvr.exe	103
PID 4060 wrote to memory of 4112	4060	sysmablsvr.exe	103
PID 4060 wrote to memory of 4112	4060	sysmablsvr.exe	103
PID 4060 wrote to memory of 2428	4060	sysmablsvr.exe	105
PID 4060 wrote to memory of 2428	4060	sysmablsvr.exe	105
PID 4060 wrote to memory of 2428	4060	sysmablsvr.exe	105
PID 2428 wrote to memory of 1112	2428	149821746.exe	106
PID 2428 wrote to memory of 1112	2428	149821746.exe	106
PID 2428 wrote to memory of 1112	2428	149821746.exe	106
PID 1112 wrote to memory of 4428	1112	sysmysldrv.exe	107
PID 1112 wrote to memory of 4428	1112	sysmysldrv.exe	107
PID 1112 wrote to memory of 4428	1112	sysmysldrv.exe	107
PID 1112 wrote to memory of 3384	1112	sysmysldrv.exe	109
PID 1112 wrote to memory of 3384	1112	sysmysldrv.exe	109
PID 1112 wrote to memory of 3384	1112	sysmysldrv.exe	109
PID 3384 wrote to memory of 2408	3384	cmd.exe	112
PID 3384 wrote to memory of 2408	3384	cmd.exe	112
PID 3384 wrote to memory of 2408	3384	cmd.exe	112
PID 4428 wrote to memory of 3568	4428	cmd.exe	111
PID 4428 wrote to memory of 3568	4428	cmd.exe	111
PID 4428 wrote to memory of 3568	4428	cmd.exe	111
PID 3384 wrote to memory of 3352	3384	cmd.exe	113
PID 3384 wrote to memory of 3352	3384	cmd.exe	113
PID 3384 wrote to memory of 3352	3384	cmd.exe	113
PID 3384 wrote to memory of 4424	3384	cmd.exe	114
PID 3384 wrote to memory of 4424	3384	cmd.exe	114
PID 3384 wrote to memory of 4424	3384	cmd.exe	114
PID 3384 wrote to memory of 548	3384	cmd.exe	115
PID 3384 wrote to memory of 548	3384	cmd.exe	115
PID 3384 wrote to memory of 548	3384	cmd.exe	115
PID 3384 wrote to memory of 4528	3384	cmd.exe	116
PID 3384 wrote to memory of 4528	3384	cmd.exe	116
PID 3384 wrote to memory of 4528	3384	cmd.exe	116
PID 4060 wrote to memory of 4792	4060	sysmablsvr.exe	118
PID 4060 wrote to memory of 4792	4060	sysmablsvr.exe	118
PID 4060 wrote to memory of 4792	4060	sysmablsvr.exe	118
PID 1112 wrote to memory of 4936	1112	sysmysldrv.exe	120
PID 1112 wrote to memory of 4936	1112	sysmysldrv.exe	120
PID 1112 wrote to memory of 4936	1112	sysmysldrv.exe	120
PID 1112 wrote to memory of 2492	1112	sysmysldrv.exe	123
PID 1112 wrote to memory of 2492	1112	sysmysldrv.exe	123
PID 1112 wrote to memory of 2492	1112	sysmysldrv.exe	123
PID 4792 wrote to memory of 1632	4792	2111927910.exe	124
PID 4792 wrote to memory of 1632	4792	2111927910.exe	124
PID 1112 wrote to memory of 3444	1112	sysmysldrv.exe	130
PID 1112 wrote to memory of 3444	1112	sysmysldrv.exe	130
PID 1112 wrote to memory of 3444	1112	sysmysldrv.exe	130
PID 3764 wrote to memory of 4764	3764	wupgrdsv.exe	133

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:3532
- C:\Users\Admin\AppData\Local\Temp\73781e5d1dec36623b34bea8869720423d535ceaad374873aa063e6902d7a7a4.exe
  "C:\Users\Admin\AppData\Local\Temp\73781e5d1dec36623b34bea8869720423d535ceaad374873aa063e6902d7a7a4.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1832
- - C:\Users\Admin\AppData\Local\Temp\3DFE.exe
    "C:\Users\Admin\AppData\Local\Temp\3DFE.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:4732
  - - C:\Windows\sysmablsvr.exe
      C:\Windows\sysmablsvr.exe
      4⤵
      Modifies security service
      Windows security bypass
      Executes dropped EXE
      Windows security modification
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4060
    - - C:\Users\Admin\AppData\Local\Temp\3056130431.exe
        
        C:\Users\Admin\AppData\Local\Temp\3056130431.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:4112
    - - C:\Users\Admin\AppData\Local\Temp\149821746.exe
        
        C:\Users\Admin\AppData\Local\Temp\149821746.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:2428
      - C:\Windows\sysmysldrv.exe
        
        C:\Windows\sysmysldrv.exe
        6⤵
        Modifies security service
        Windows security bypass
        Checks computer location settings
        Executes dropped EXE
        Windows security modification
        System Location Discovery: System Language Discovery
        Suspicious behavior: SetClipboardViewer
        Suspicious use of WriteProcessMemory
        
        PID:1112
        
        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:4428
        
        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:3568
        
        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:3384
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop UsoSvc
        8⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:2408
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop WaaSMedicSvc
        8⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:3352
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop wuauserv
        8⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:4424
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop DoSvc
        8⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:548
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop BITS
        8⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:4528
        
        C:\Users\Admin\AppData\Local\Temp\3285132603.exe
        
        C:\Users\Admin\AppData\Local\Temp\3285132603.exe
        7⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:4936
        
        C:\Users\Admin\AppData\Local\Temp\1192323971.exe
        
        C:\Users\Admin\AppData\Local\Temp\1192323971.exe
        7⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:2492
        
        C:\Users\Admin\AppData\Local\Temp\2340930083.exe
        
        C:\Users\Admin\AppData\Local\Temp\2340930083.exe
        7⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:3444
    - - C:\Users\Admin\AppData\Local\Temp\2111927910.exe
        
        C:\Users\Admin\AppData\Local\Temp\2111927910.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4792
      - C:\Users\Admin\AppData\Local\Temp\3014321336.exe
        
        C:\Users\Admin\AppData\Local\Temp\3014321336.exe
        6⤵
        Suspicious use of NtCreateUserProcessOtherParentProcess
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        
        PID:1632
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#llzqlmcx#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /tn 'Windows Upgrade Manager' /tr '''C:\Users\Admin\Windows Upgrade\wupgrdsv.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\Windows Upgrade\wupgrdsv.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'Windows Upgrade Manager' -RunLevel 'Highest' -Force; }
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1652
- C:\Windows\System32\schtasks.exe
  C:\Windows\System32\schtasks.exe /run /tn "Windows Upgrade Manager"
  2⤵
  PID:2824
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#llzqlmcx#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /tn 'Windows Upgrade Manager' /tr '''C:\Users\Admin\Windows Upgrade\wupgrdsv.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\Windows Upgrade\wupgrdsv.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'Windows Upgrade Manager' -RunLevel 'Highest' -Force; }
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:4428
- C:\Windows\System32\notepad.exe
  C:\Windows\System32\notepad.exe
  2⤵
  PID:4764

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4276,i,13995403245988825027,7033610968827661507,262144 --variations-seed-version --mojo-platform-channel-handle=3864 /prefetch:8
1⤵
PID:1064

C:\Users\Admin\Windows Upgrade\wupgrdsv.exe
"C:\Users\Admin\Windows Upgrade\wupgrdsv.exe"
1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3764

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

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powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 3KB
SHA256 dbd4136bc342e3e92902ec3a30d165452c82997a7ae24ac90775e42d88959e6b
MD5 fee026663fcb662152188784794028ee
SHA1 3c02a26a9cb16648fad85c6477b68ced3cb0cb45
SHA512 7b12bd5c8fc4356b9123d6586b4980cf76012663b41c0dab6f6f21567e2f4005c5bcea2cc2158d157e4f801a281f3e04bad3774cddb3122db309ccf662184bd6
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 18KB
SHA256 7cdb061738946154f9f215c5790238ffdce32dd40622df9a3d585afe57860667
MD5 d7948308aeeb1804017f0b346a0a9e1b
SHA1 e57161c7514ed1a6f50214329a9eac545ea9da7b
SHA512 903070cdad47f8965bdbe2607ddd4d9988b29f94de1ec1e33558adb432096faf96f0e0ddbcddf3a3aa0d57ebc0761e41339d47d52ba214df37afecf772311916
SSDEEP 384:msf+BG9i++trnDYnFDKqAk+o9o2TVK6seYM60uKk3SoEAofYL2Oz/spQ0gDF+PKl:jfmtYFB7jo2TVNklSz8Fz/MI4m
MD5 SHA1 SHA512 SSDEEP

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 342ce7c39bf9992d31d4b61ef138b2b084c96c74736ed00bb19aae49be16ca02
MD5 d95b08252ed624f6d91b46523f110f29
SHA1 17577997bc1fb5d3fbe59be84013165534415dc3
SHA512 0c4288176d56f4ee6d8f08f568fba07ad859f50a395c39d2afd3baf55d3d29ca065a1ce305d1bd790477c35977c0ffa230543e805622f80a77bcee71b24eb257
MD5 SHA1 SHA512

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149821746.exe

Path C:\Users\Admin\AppData\Local\Temp\149821746.exe
Size 92KB
SHA256 d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f
MD5 be9388b42333b3d4e163b0ace699897b
SHA1 4e1109772eb9cb59c557380822166fe1664403bd
SHA512 5f887f1060b898c9a88745cde7cf509fdf42947ab8e5948b46c2df659468dc245b24d089bdbec0b314c40b83934698bf4b6feb8954e32810ff8f522aab0af19a
SSDEEP 1536:s9Ww4/inFmav82M1KeKKHqW4KYFqkKUSne1wjAUG94wU3K:UWwohOT44KktKGa87U3K
MD5 SHA1 SHA512 SSDEEP

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2111927910.exe

Path C:\Users\Admin\AppData\Local\Temp\2111927910.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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3014321336.exe

Path C:\Users\Admin\AppData\Local\Temp\3014321336.exe
Size 5.4MB
SHA256 dd12cb27b3867341bf6ca48715756500d3ec56c19b21bb1c1290806aa74cb493
MD5 41ab08c1955fce44bfd0c76a64d1945a
SHA1 2b9cb05f4de5d98c541d15175d7f0199cbdd0eea
SHA512 38834ae703a8541b4fec9a1db94cfe296ead58649bb1d4873b517df14d0c6a9d25e49ff04c2bf6bb0188845116a4e894aae930d849f9be8c98d2ce51da1ef116
SSDEEP 98304:vavlQIN33nVKboT7MAwtCUxDwoQtKjnX6Og6X2XcNlfYWzdgIT3:vIlQIN33nVKboT7MAwtCYzQQjn46yQls
MD5 SHA1 SHA512 SSDEEP

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3056130431.exe

Path C:\Users\Admin\AppData\Local\Temp\3056130431.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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3285132603.exe

Path C:\Users\Admin\AppData\Local\Temp\3285132603.exe
Size 7KB
SHA256 17711519f3938ee9c93e1b15ade22a17cfa70fffce02c2b1b2c77959626ab6de
MD5 acc5e9f20ef10165ff0f014f9600e868
SHA1 64dc1414b419e218ab03a7036e3236eaccd3fc68
SHA512 7b6d0416c5a29891f1b19c0b40c7ff7c88b56543e35e69b4abec0707f6a64987e367a194379eddd0b3a68c2e6db4acaaf5c949a8cbccf790d7017563363023a3
SSDEEP 192:tsztnX6R5c+CxR0kYJtTdrhfaN9Jkt7yVYboneGb0:ezhpbjQTdr1aCt7x1Gw
MD5 SHA1 SHA512 SSDEEP

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3DFE.exe

Path C:\Users\Admin\AppData\Local\Temp\3DFE.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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__PSScriptPolicyTest_1pq323nk.wmh.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1pq323nk.wmh.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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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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memory/1632-114-0x00007FF6455C0000-0x00007FF645B36000-memory.dmp

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memory/1652-106-0x00000157F87B0000-0x00000157F87D2000-memory.dmp

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memory/3568-69-0x00000000072D0000-0x00000000072E4000-memory.dmp

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memory/3568-45-0x00000000057A0000-0x0000000005AF4000-memory.dmp

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memory/3568-60-0x0000000006F40000-0x0000000006FE3000-memory.dmp

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memory/3568-61-0x0000000007720000-0x0000000007D9A000-memory.dmp

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memory/3568-62-0x00000000070A0000-0x00000000070BA000-memory.dmp

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memory/3568-63-0x00000000070F0000-0x00000000070FA000-memory.dmp

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memory/3568-64-0x0000000007300000-0x0000000007396000-memory.dmp

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memory/3568-65-0x0000000007290000-0x00000000072A1000-memory.dmp

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memory/3568-68-0x00000000072C0000-0x00000000072CE000-memory.dmp

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memory/3568-59-0x0000000006F10000-0x0000000006F2E000-memory.dmp

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memory/3568-70-0x00000000073C0000-0x00000000073DA000-memory.dmp

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memory/3568-71-0x00000000073A0000-0x00000000073A8000-memory.dmp

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memory/3568-48-0x0000000006CD0000-0x0000000006D02000-memory.dmp

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memory/3568-47-0x0000000005D80000-0x0000000005DCC000-memory.dmp

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memory/3568-46-0x0000000005D40000-0x0000000005D5E000-memory.dmp

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memory/3568-49-0x000000006E800000-0x000000006E84C000-memory.dmp

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memory/3568-35-0x0000000005730000-0x0000000005796000-memory.dmp

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memory/3568-34-0x0000000004E40000-0x0000000004EA6000-memory.dmp

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memory/3568-33-0x0000000004DA0000-0x0000000004DC2000-memory.dmp

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memory/3568-32-0x0000000004ED0000-0x00000000054F8000-memory.dmp

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memory/3568-31-0x0000000002760000-0x0000000002796000-memory.dmp

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memory/3764-135-0x00007FF77AC50000-0x00007FF77B1C6000-memory.dmp

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memory/4764-137-0x00007FF747A50000-0x00007FF74823F000-memory.dmp

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memory/4764-139-0x00007FF747A50000-0x00007FF74823F000-memory.dmp

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memory/4764-140-0x00007FF747A50000-0x00007FF74823F000-memory.dmp

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memory/4764-136-0x000001A6791B0000-0x000001A6791D0000-memory.dmp

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memory/4764-143-0x00007FF747A50000-0x00007FF74823F000-memory.dmp

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memory/4764-144-0x00007FF747A50000-0x00007FF74823F000-memory.dmp

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memory/4764-145-0x00007FF747A50000-0x00007FF74823F000-memory.dmp

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memory/4764-146-0x00007FF747A50000-0x00007FF74823F000-memory.dmp

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memory/4764-149-0x00007FF747A50000-0x00007FF74823F000-memory.dmp

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memory/4764-150-0x00007FF747A50000-0x00007FF74823F000-memory.dmp

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