phorphiex | a09ca3676ec3b548c2c5329f062f3059fd99789ff2c971143763e0b6578c63dd

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-08-2024 09:09

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General

Target

2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exe
Size

2.7MB
MD5

466215044914bfb7feeca3db1675ec46
SHA1

ed03e0669c8f2de8e9eb9e48e8c53d12901a0291
SHA256

a09ca3676ec3b548c2c5329f062f3059fd99789ff2c971143763e0b6578c63dd
SHA512

36f28f14b965997035a372477d80097170ac02a897b99ab4a765907f62dc9af4c3b24d749a6592566d29086b4fe841326b59e296a3f77699c79acf4b2f39fe8e
SSDEEP

49152:xwwwwscKD0uDMPlGPgZrhsop5klgYe+l7slAZi1hjNXzZemXsOkX:rb4MP8PErdDYe+96AZinzZemuX

Score

10^/10

phorphiex xmrig discovery evasion execution loader miner persistence spyware stealer trojan worm

Malware Config

Extracted

Family

phorphiex

http://185.215.113.66/

http://91.202.233.141/

Wallets

0xCa90599132C4D88907Bd8E046540284aa468a035

TRuGGXNDM1cavQ1AqMQHG8yfxP4QWVSMN6

qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

XryzFMFVpDUvU7famUGf214EXD3xNUSmQf

LLeT2zkStY3cvxMBFhoWXkG5VuZPoezduv

rwc4LVd9ABpULQ1CuCpDkgX2xVB1fUijyb

4AtjkCVKbtEC3UEN77SQHuH9i1XkzNiRi5VCbA2XGsJh46nJSXfGQn4GjLuupCqmC57Lo7LvKmFUyRfhtJSvKvuw3h9ReKK

15TssKwtjMtwy4vDLcLsQUZUD2B9f7eDjw85sBNVC5LRPPnC

17hgMFyLDwMjxWqw5GhijhnPdJDyFDqecY

ltc1qt0n3f0t7vz9k0mvcswk477shrxwjhf9sj5ykrp

3PMiLynrGVZ8oEqvoqC4hXD67B1WoALR4pc

3FerB8kUraAVGCVCNkgv57zTBjUGjAUkU3

DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA

t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh

stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj

bnb1epx67ne4vckqmaj4gwke8m322f4yjr6eh52wqw

bc1qmpkehfffkr6phuklsksnd7nhgx0369sxu772m3

bitcoincash:qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

GBQJMXYXPRIWFMXIFJR35ZB7LRKMB4PHCIUAUFR3TKUL6RDBZVLZEUJ3

Attributes

mutex
x88767657x
user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Signatures

Modifies security service 2 TTPs 1 IoCs
evasion

Modify Registry
T1112

Windows Service
T1543.003

Processes:

sysmysldrv.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Start = "4" sysmysldrv.exe

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

Phorphiex payload 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\827319645.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:

3793431870.exewupgrdsv.exe

description	pid	process	target process
PID 4832 created 3552	4832	3793431870.exe	Explorer.EXE
PID 4832 created 3552	4832	3793431870.exe	Explorer.EXE
PID 3744 created 3552	3744	wupgrdsv.exe	Explorer.EXE
PID 3744 created 3552	3744	wupgrdsv.exe	Explorer.EXE

Windows security bypass 2 TTPs 6 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

sysmysldrv.exe

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

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

XMRig Miner payload 10 IoCs

miner

Processes:

resource	yara_rule
behavioral2/memory/3744-135-0x00007FF729AC0000-0x00007FF72A036000-memory.dmp	xmrig
behavioral2/memory/2708-137-0x00007FF62A500000-0x00007FF62ACEF000-memory.dmp	xmrig
behavioral2/memory/2708-139-0x00007FF62A500000-0x00007FF62ACEF000-memory.dmp	xmrig
behavioral2/memory/2708-140-0x00007FF62A500000-0x00007FF62ACEF000-memory.dmp	xmrig
behavioral2/memory/2708-141-0x00007FF62A500000-0x00007FF62ACEF000-memory.dmp	xmrig
behavioral2/memory/2708-142-0x00007FF62A500000-0x00007FF62ACEF000-memory.dmp	xmrig
behavioral2/memory/2708-143-0x00007FF62A500000-0x00007FF62ACEF000-memory.dmp	xmrig
behavioral2/memory/2708-144-0x00007FF62A500000-0x00007FF62ACEF000-memory.dmp	xmrig
behavioral2/memory/2708-146-0x00007FF62A500000-0x00007FF62ACEF000-memory.dmp	xmrig
behavioral2/memory/2708-147-0x00007FF62A500000-0x00007FF62ACEF000-memory.dmp	xmrig

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

PowerShell
T1059.001

Processes:

powershell.exepowershell.exepowershell.exe

pid process

2336 powershell.exe
4228 powershell.exe
2424 powershell.exe
Downloads MZ/PE file
Stops running service(s) 4 TTPs
evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

pid	process
2336	powershell.exe
4228	powershell.exe
2424	powershell.exe

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

Processes:

sysmysldrv.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	sysmysldrv.exe

Executes dropped EXE 10 IoCs

Processes:

D503.exe827319645.exesysmysldrv.exe579123562.exe1763014930.exe133897418.exe3105036929.exe262965725.exe3793431870.exewupgrdsv.exe

pid	process
3368	D503.exe
4620	827319645.exe
3760	sysmysldrv.exe
1064	579123562.exe
4736	1763014930.exe
552	133897418.exe
3412	3105036929.exe
1584	262965725.exe
4832	3793431870.exe
3744	wupgrdsv.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

sysmysldrv.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	sysmysldrv.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	sysmysldrv.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1"	sysmysldrv.exe
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

827319645.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysmysldrv.exe"	827319645.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

wupgrdsv.exe

description pid process target process

PID 3744 set thread context of 2708 3744 wupgrdsv.exe notepad.exe
Drops file in Windows directory 2 IoCs

Processes:

827319645.exe

description ioc process

File created C:\Windows\sysmysldrv.exe 827319645.exe
File opened for modification C:\Windows\sysmysldrv.exe 827319645.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

2308 sc.exe
1320 sc.exe
4796 sc.exe
4540 sc.exe
1760 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	pid	process	target process
PID 3744 set thread context of 2708	3744	wupgrdsv.exe	notepad.exe

description	ioc	process
File created	C:\Windows\sysmysldrv.exe	827319645.exe
File opened for modification	C:\Windows\sysmysldrv.exe	827319645.exe

pid	process
2308	sc.exe
1320	sc.exe
4796	sc.exe
4540	sc.exe
1760	sc.exe

System Location Discovery: System Language Discovery 1 TTPs 17 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:

2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.execmd.exesc.exesc.exe579123562.exesc.exesc.exe3105036929.exeD503.exe827319645.exepowershell.exesc.exe1763014930.exe133897418.exe262965725.exesysmysldrv.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.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	579123562.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	3105036929.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	D503.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	827319645.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1763014930.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	133897418.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	262965725.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sysmysldrv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exepowershell.exe3793431870.exepowershell.exewupgrdsv.exepowershell.exe

pid	process
4944	2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exe
4944	2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exe
4944	2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exe
4944	2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exe
2424	powershell.exe
2424	powershell.exe
4832	3793431870.exe
4832	3793431870.exe
2336	powershell.exe
2336	powershell.exe
4832	3793431870.exe
4832	3793431870.exe
3744	wupgrdsv.exe
3744	wupgrdsv.exe
4228	powershell.exe
4228	powershell.exe
3744	wupgrdsv.exe
3744	wupgrdsv.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

powershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2424	powershell.exe
Token: SeDebugPrivilege	2336	powershell.exe
Token: SeIncreaseQuotaPrivilege	2336	powershell.exe
Token: SeSecurityPrivilege	2336	powershell.exe
Token: SeTakeOwnershipPrivilege	2336	powershell.exe
Token: SeLoadDriverPrivilege	2336	powershell.exe
Token: SeSystemProfilePrivilege	2336	powershell.exe
Token: SeSystemtimePrivilege	2336	powershell.exe
Token: SeProfSingleProcessPrivilege	2336	powershell.exe
Token: SeIncBasePriorityPrivilege	2336	powershell.exe
Token: SeCreatePagefilePrivilege	2336	powershell.exe
Token: SeBackupPrivilege	2336	powershell.exe
Token: SeRestorePrivilege	2336	powershell.exe
Token: SeShutdownPrivilege	2336	powershell.exe
Token: SeDebugPrivilege	2336	powershell.exe
Token: SeSystemEnvironmentPrivilege	2336	powershell.exe
Token: SeRemoteShutdownPrivilege	2336	powershell.exe
Token: SeUndockPrivilege	2336	powershell.exe
Token: SeManageVolumePrivilege	2336	powershell.exe
Token: 33	2336	powershell.exe
Token: 34	2336	powershell.exe
Token: 35	2336	powershell.exe
Token: 36	2336	powershell.exe
Token: SeIncreaseQuotaPrivilege	2336	powershell.exe
Token: SeSecurityPrivilege	2336	powershell.exe
Token: SeTakeOwnershipPrivilege	2336	powershell.exe
Token: SeLoadDriverPrivilege	2336	powershell.exe
Token: SeSystemProfilePrivilege	2336	powershell.exe
Token: SeSystemtimePrivilege	2336	powershell.exe
Token: SeProfSingleProcessPrivilege	2336	powershell.exe
Token: SeIncBasePriorityPrivilege	2336	powershell.exe
Token: SeCreatePagefilePrivilege	2336	powershell.exe
Token: SeBackupPrivilege	2336	powershell.exe
Token: SeRestorePrivilege	2336	powershell.exe
Token: SeShutdownPrivilege	2336	powershell.exe
Token: SeDebugPrivilege	2336	powershell.exe
Token: SeSystemEnvironmentPrivilege	2336	powershell.exe
Token: SeRemoteShutdownPrivilege	2336	powershell.exe
Token: SeUndockPrivilege	2336	powershell.exe
Token: SeManageVolumePrivilege	2336	powershell.exe
Token: 33	2336	powershell.exe
Token: 34	2336	powershell.exe
Token: 35	2336	powershell.exe
Token: 36	2336	powershell.exe
Token: SeIncreaseQuotaPrivilege	2336	powershell.exe
Token: SeSecurityPrivilege	2336	powershell.exe
Token: SeTakeOwnershipPrivilege	2336	powershell.exe
Token: SeLoadDriverPrivilege	2336	powershell.exe
Token: SeSystemProfilePrivilege	2336	powershell.exe
Token: SeSystemtimePrivilege	2336	powershell.exe
Token: SeProfSingleProcessPrivilege	2336	powershell.exe
Token: SeIncBasePriorityPrivilege	2336	powershell.exe
Token: SeCreatePagefilePrivilege	2336	powershell.exe
Token: SeBackupPrivilege	2336	powershell.exe
Token: SeRestorePrivilege	2336	powershell.exe
Token: SeShutdownPrivilege	2336	powershell.exe
Token: SeDebugPrivilege	2336	powershell.exe
Token: SeSystemEnvironmentPrivilege	2336	powershell.exe
Token: SeRemoteShutdownPrivilege	2336	powershell.exe
Token: SeUndockPrivilege	2336	powershell.exe
Token: SeManageVolumePrivilege	2336	powershell.exe
Token: 33	2336	powershell.exe
Token: 34	2336	powershell.exe
Token: 35	2336	powershell.exe

Suspicious use of WriteProcessMemory 51 IoCs

Processes:

2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exeD503.exe827319645.exesysmysldrv.execmd.execmd.exe133897418.exe262965725.exewupgrdsv.exe

description	pid	process	target process
PID 4944 wrote to memory of 3368	4944	2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exe	D503.exe
PID 4944 wrote to memory of 3368	4944	2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exe	D503.exe
PID 4944 wrote to memory of 3368	4944	2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exe	D503.exe
PID 3368 wrote to memory of 4620	3368	D503.exe	827319645.exe
PID 3368 wrote to memory of 4620	3368	D503.exe	827319645.exe
PID 3368 wrote to memory of 4620	3368	D503.exe	827319645.exe
PID 4620 wrote to memory of 3760	4620	827319645.exe	sysmysldrv.exe
PID 4620 wrote to memory of 3760	4620	827319645.exe	sysmysldrv.exe
PID 4620 wrote to memory of 3760	4620	827319645.exe	sysmysldrv.exe
PID 3760 wrote to memory of 5048	3760	sysmysldrv.exe	cmd.exe
PID 3760 wrote to memory of 5048	3760	sysmysldrv.exe	cmd.exe
PID 3760 wrote to memory of 5048	3760	sysmysldrv.exe	cmd.exe
PID 3760 wrote to memory of 1664	3760	sysmysldrv.exe	cmd.exe
PID 3760 wrote to memory of 1664	3760	sysmysldrv.exe	cmd.exe
PID 3760 wrote to memory of 1664	3760	sysmysldrv.exe	cmd.exe
PID 5048 wrote to memory of 2424	5048	cmd.exe	powershell.exe
PID 5048 wrote to memory of 2424	5048	cmd.exe	powershell.exe
PID 5048 wrote to memory of 2424	5048	cmd.exe	powershell.exe
PID 1664 wrote to memory of 2308	1664	cmd.exe	sc.exe
PID 1664 wrote to memory of 2308	1664	cmd.exe	sc.exe
PID 1664 wrote to memory of 2308	1664	cmd.exe	sc.exe
PID 1664 wrote to memory of 1320	1664	cmd.exe	sc.exe
PID 1664 wrote to memory of 1320	1664	cmd.exe	sc.exe
PID 1664 wrote to memory of 1320	1664	cmd.exe	sc.exe
PID 1664 wrote to memory of 4796	1664	cmd.exe	sc.exe
PID 1664 wrote to memory of 4796	1664	cmd.exe	sc.exe
PID 1664 wrote to memory of 4796	1664	cmd.exe	sc.exe
PID 1664 wrote to memory of 4540	1664	cmd.exe	sc.exe
PID 1664 wrote to memory of 4540	1664	cmd.exe	sc.exe
PID 1664 wrote to memory of 4540	1664	cmd.exe	sc.exe
PID 1664 wrote to memory of 1760	1664	cmd.exe	sc.exe
PID 1664 wrote to memory of 1760	1664	cmd.exe	sc.exe
PID 1664 wrote to memory of 1760	1664	cmd.exe	sc.exe
PID 3760 wrote to memory of 1064	3760	sysmysldrv.exe	579123562.exe
PID 3760 wrote to memory of 1064	3760	sysmysldrv.exe	579123562.exe
PID 3760 wrote to memory of 1064	3760	sysmysldrv.exe	579123562.exe
PID 3760 wrote to memory of 4736	3760	sysmysldrv.exe	1763014930.exe
PID 3760 wrote to memory of 4736	3760	sysmysldrv.exe	1763014930.exe
PID 3760 wrote to memory of 4736	3760	sysmysldrv.exe	1763014930.exe
PID 3760 wrote to memory of 552	3760	sysmysldrv.exe	133897418.exe
PID 3760 wrote to memory of 552	3760	sysmysldrv.exe	133897418.exe
PID 3760 wrote to memory of 552	3760	sysmysldrv.exe	133897418.exe
PID 552 wrote to memory of 3412	552	133897418.exe	3105036929.exe
PID 552 wrote to memory of 3412	552	133897418.exe	3105036929.exe
PID 552 wrote to memory of 3412	552	133897418.exe	3105036929.exe
PID 3760 wrote to memory of 1584	3760	sysmysldrv.exe	262965725.exe
PID 3760 wrote to memory of 1584	3760	sysmysldrv.exe	262965725.exe
PID 3760 wrote to memory of 1584	3760	sysmysldrv.exe	262965725.exe
PID 1584 wrote to memory of 4832	1584	262965725.exe	3793431870.exe
PID 1584 wrote to memory of 4832	1584	262965725.exe	3793431870.exe
PID 3744 wrote to memory of 2708	3744	wupgrdsv.exe	notepad.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:3552
- C:\Users\Admin\AppData\Local\Temp\2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exe
  "C:\Users\Admin\AppData\Local\Temp\2024-08-03_466215044914bfb7feeca3db1675ec46_avoslocker_hijackloader.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4944
- - C:\Users\Admin\AppData\Local\Temp\D503.exe
    "C:\Users\Admin\AppData\Local\Temp\D503.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3368
  - - C:\Users\Admin\AppData\Local\Temp\827319645.exe
      C:\Users\Admin\AppData\Local\Temp\827319645.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4620
    - - C:\Windows\sysmysldrv.exe
        
        C:\Windows\sysmysldrv.exe
        5⤵
        Modifies security service
        Windows security bypass
        Checks computer location settings
        Executes dropped EXE
        Windows security modification
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:3760
      - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c powershell -Command "Add-MpPreference -ExclusionPath $env:windir; Add-MpPreference -ExclusionPath $env:TEMP; Add-MpPreference -ExclusionPath $env:USERPROFILE"
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:5048
        
        C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -Command "Add-MpPreference -ExclusionPath $env:windir; Add-MpPreference -ExclusionPath $env:TEMP; Add-MpPreference -ExclusionPath $env:USERPROFILE"
        7⤵
        Command and Scripting Interpreter: PowerShell
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2424
      - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c sc stop UsoSvc & sc stop WaaSMedicSvc & sc stop wuauserv & sc stop DoSvc & sc stop BITS
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1664
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop UsoSvc
        7⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:2308
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop WaaSMedicSvc
        7⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:1320
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop wuauserv
        7⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:4796
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop DoSvc
        7⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:4540
        
        C:\Windows\SysWOW64\sc.exe
        
        sc stop BITS
        7⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:1760
      - C:\Users\Admin\AppData\Local\Temp\579123562.exe
        
        C:\Users\Admin\AppData\Local\Temp\579123562.exe
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:1064
      - C:\Users\Admin\AppData\Local\Temp\1763014930.exe
        
        C:\Users\Admin\AppData\Local\Temp\1763014930.exe
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:4736
      - C:\Users\Admin\AppData\Local\Temp\133897418.exe
        
        C:\Users\Admin\AppData\Local\Temp\133897418.exe
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:552
        
        C:\Users\Admin\AppData\Local\Temp\3105036929.exe
        
        C:\Users\Admin\AppData\Local\Temp\3105036929.exe
        7⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:3412
      - C:\Users\Admin\AppData\Local\Temp\262965725.exe
        
        C:\Users\Admin\AppData\Local\Temp\262965725.exe
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1584
        
        C:\Users\Admin\AppData\Local\Temp\3793431870.exe
        
        C:\Users\Admin\AppData\Local\Temp\3793431870.exe
        7⤵
        Suspicious use of NtCreateUserProcessOtherParentProcess
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        
        PID:4832
- 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:2336
- C:\Windows\System32\schtasks.exe
  C:\Windows\System32\schtasks.exe /run /tn "Windows Upgrade Manager"
  2⤵
  PID:2332
- 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:4228
- C:\Windows\System32\notepad.exe
  C:\Windows\System32\notepad.exe
  2⤵
  PID:2708

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:3744

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
d0e7554c11984cbbfd42e8fbf58ffc47

SHA1
790b4e02d2005ef79f55293b686a02bf7493e435

SHA256
28612571b5f2ee8cc3b8699ce00eba5505582a18b54885c6fb0e18a1170ecf28

SHA512
19bb0e7761b9618e6a2240a62148cdde123ee52108e6f9ad27416596a96dfe743efffd3019ae45732bd37ab5b4b8a4df21aef1f8c01cd9e3e86f9ef4fc2c45d7

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
d31a2f97682d500794e44d85dfe41528

SHA1
880480fd56a458c535f0689ca40960934e609179

SHA256
a4927665db5819beeba6bcc5166f96f5c0170afe6d10e1a48aecc2367bd67a07

SHA512
a3ae32c253c62bc2d340ba0da20f40322f6256deb62f43fcde8c433c3e09c093fcd0eec07fa6532f20801410bee39c7ad12b3c3bacdfddc8313fda237d49aa9b

Download Submit
C:\Users\Admin\AppData\Local\Temp\133897418.exe

Filesize
10KB

MD5
d4039242a73ca683d220aa81a63bf628

SHA1
9f3e58b60b1d56c8461de59e780597e43653e4e9

SHA256
2edde7963b986d6f96c73fa0057a8b0ea163fcd06c9e52c2eeda0728d540955b

SHA512
bae49ddfc82ac532d177981f985f7ea9239fd09c6baa914b679d31aef7a8ee091478d83ac2d6f05c490297eeba5342a783ebbf2b143667b16eefff4cb84a21c7

Download Submit
C:\Users\Admin\AppData\Local\Temp\262965725.exe

Filesize
10KB

MD5
4fe8dc617311f7b6a4b8ebe0b1e24090

SHA1
2bd9341f17c8c0c62e56e1863b1d2f9c43cb30e5

SHA256
5016e413b0c563efc920165e7235c9f2706808877668bd297b41435acc7aade4

SHA512
910a12fbaffd45b0f797a95c6678a32c4a27adbb7d1474f183f8863d310d31fbba17d5d747da87ac4a30dd7cb22c67a4d1c25b302ef0c3f6954d91a459c692db

Download Submit
C:\Users\Admin\AppData\Local\Temp\3105036929.exe

Filesize
20KB

MD5
1382c0a4a9e0a9a2c942458652a4a0e4

SHA1
55ed8ebd6281c280c3e77763773d789a6057e743

SHA256
4cb590dfafb7653379326e840d9b904a3cf05451999c4f9eb66c6e7116b68875

SHA512
cc1ba7e779536b57409c974f16b0d8706fdf8749fb9eca36716d4e84d4f420a650b6476ac08570e684ad1e492da3bbacc15a4e5be4b94a1b708909d683da0b7e

Download Submit
C:\Users\Admin\AppData\Local\Temp\3793431870.exe

Filesize
5.4MB

MD5
41ab08c1955fce44bfd0c76a64d1945a

SHA1
2b9cb05f4de5d98c541d15175d7f0199cbdd0eea

SHA256
dd12cb27b3867341bf6ca48715756500d3ec56c19b21bb1c1290806aa74cb493

SHA512
38834ae703a8541b4fec9a1db94cfe296ead58649bb1d4873b517df14d0c6a9d25e49ff04c2bf6bb0188845116a4e894aae930d849f9be8c98d2ce51da1ef116

Download Submit
C:\Users\Admin\AppData\Local\Temp\579123562.exe

Filesize
7KB

MD5
af0622340ed8ba48efa92e0b2d9aca7b

SHA1
77e7181b4d4e6957cf13ba37f590cf219aac88cb

SHA256
7b7d433c6c204ed3bcd1ea74106592edfa1a30b6ef7bbc3ed21efcbadc51e526

SHA512
e1368c1c292789115b51cae549bd2d484dbc614eb3e57aa5fce324385d28e9fbddf60064b4c88237b38cded294d090d07c491b646651c45bcd6235630d94ef46

Download Submit
C:\Users\Admin\AppData\Local\Temp\827319645.exe

Filesize
92KB

MD5
be9388b42333b3d4e163b0ace699897b

SHA1
4e1109772eb9cb59c557380822166fe1664403bd

SHA256
d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f

SHA512
5f887f1060b898c9a88745cde7cf509fdf42947ab8e5948b46c2df659468dc245b24d089bdbec0b314c40b83934698bf4b6feb8954e32810ff8f522aab0af19a

Download Submit
C:\Users\Admin\AppData\Local\Temp\D503.exe

Filesize
9KB

MD5
8d8e6c7952a9dc7c0c73911c4dbc5518

SHA1
9098da03b33b2c822065b49d5220359c275d5e94

SHA256
feb4c3ae4566f0acbb9e0f55417b61fefd89dc50a4e684df780813fb01d61278

SHA512
91a573843c28dd32a9f31a60ba977f9a3d4bb19ffd1b7254333e09bcecef348c1b3220a348ebb2cb08edb57d56cb7737f026519da52199c9dc62c10aea236645

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_k20f20km.ees.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\wps\~e57d716\Au_.exe

Filesize
2.7MB

MD5
466215044914bfb7feeca3db1675ec46

SHA1
ed03e0669c8f2de8e9eb9e48e8c53d12901a0291

SHA256
a09ca3676ec3b548c2c5329f062f3059fd99789ff2c971143763e0b6578c63dd

SHA512
36f28f14b965997035a372477d80097170ac02a897b99ab4a765907f62dc9af4c3b24d749a6592566d29086b4fe841326b59e296a3f77699c79acf4b2f39fe8e

Download Submit
memory/2336-116-0x000001AF9E400000-0x000001AF9E422000-memory.dmp

Filesize
136KB

Download
memory/2424-45-0x0000000005FE0000-0x000000000602C000-memory.dmp

Filesize
304KB

Download
memory/2424-32-0x00000000058E0000-0x0000000005946000-memory.dmp

Filesize
408KB

Download
memory/2424-57-0x0000000006580000-0x000000000659E000-memory.dmp

Filesize
120KB

Download
memory/2424-58-0x00000000071A0000-0x0000000007243000-memory.dmp

Filesize
652KB

Download
memory/2424-59-0x0000000007980000-0x0000000007FFA000-memory.dmp

Filesize
6.5MB

Download
memory/2424-60-0x00000000072D0000-0x00000000072EA000-memory.dmp

Filesize
104KB

Download
memory/2424-61-0x0000000007350000-0x000000000735A000-memory.dmp

Filesize
40KB

Download
memory/2424-62-0x0000000007550000-0x00000000075E6000-memory.dmp

Filesize
600KB

Download
memory/2424-63-0x00000000074F0000-0x0000000007501000-memory.dmp

Filesize
68KB

Download
memory/2424-64-0x0000000007510000-0x000000000751E000-memory.dmp

Filesize
56KB

Download
memory/2424-65-0x0000000007520000-0x0000000007534000-memory.dmp

Filesize
80KB

Download
memory/2424-66-0x0000000007610000-0x000000000762A000-memory.dmp

Filesize
104KB

Download
memory/2424-67-0x00000000075F0000-0x00000000075F8000-memory.dmp

Filesize
32KB

Download
memory/2424-46-0x0000000006F60000-0x0000000006F92000-memory.dmp

Filesize
200KB

Download
memory/2424-44-0x0000000005FA0000-0x0000000005FBE000-memory.dmp

Filesize
120KB

Download
memory/2424-43-0x0000000005B30000-0x0000000005E84000-memory.dmp

Filesize
3.3MB

Download
memory/2424-33-0x00000000059C0000-0x0000000005A26000-memory.dmp

Filesize
408KB

Download
memory/2424-47-0x000000006FCA0000-0x000000006FCEC000-memory.dmp

Filesize
304KB

Download
memory/2424-31-0x0000000005030000-0x0000000005052000-memory.dmp

Filesize
136KB

Download
memory/2424-30-0x0000000005080000-0x00000000056A8000-memory.dmp

Filesize
6.2MB

Download
memory/2424-29-0x00000000049D0000-0x0000000004A06000-memory.dmp

Filesize
216KB

Download
memory/2708-136-0x000002AE7B000000-0x000002AE7B020000-memory.dmp

Filesize
128KB

Download
memory/2708-137-0x00007FF62A500000-0x00007FF62ACEF000-memory.dmp

Filesize
7.9MB

Download
memory/2708-139-0x00007FF62A500000-0x00007FF62ACEF000-memory.dmp

Filesize
7.9MB

Download
memory/2708-140-0x00007FF62A500000-0x00007FF62ACEF000-memory.dmp

Filesize
7.9MB

Download
memory/2708-141-0x00007FF62A500000-0x00007FF62ACEF000-memory.dmp

Filesize
7.9MB

Download
memory/2708-142-0x00007FF62A500000-0x00007FF62ACEF000-memory.dmp

Filesize
7.9MB

Download
memory/2708-143-0x00007FF62A500000-0x00007FF62ACEF000-memory.dmp

Filesize
7.9MB

Download
memory/2708-144-0x00007FF62A500000-0x00007FF62ACEF000-memory.dmp

Filesize
7.9MB

Download
memory/2708-146-0x00007FF62A500000-0x00007FF62ACEF000-memory.dmp

Filesize
7.9MB

Download
memory/2708-147-0x00007FF62A500000-0x00007FF62ACEF000-memory.dmp

Filesize
7.9MB

Download
memory/3744-135-0x00007FF729AC0000-0x00007FF72A036000-memory.dmp

Filesize
5.5MB

Download
memory/4832-120-0x00007FF7D8370000-0x00007FF7D88E6000-memory.dmp

Filesize
5.5MB

Download