f189deabc5333fb1b0953c31e813a5f9e65c5473f12b4877d20b93c0b55b09c2

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
09/07/2026, 16:34

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General

Target
pirathook.exe
Size 5.2MB
Sample260709-t28rpsev71
SHA256 f189deabc5333fb1b0953c31e813a5f9e65c5473f12b4877d20b93c0b55b09c2
MD5 c691ffe2d99640230174d323dc32525b
SHA1 10aab2c86ef89648bcedc64991b107be3ae871e9
SHA512 23fc609b21aa14e86a2c0b10332a9c2afd3571bba27f7aaa45a105e8bb14e3783c875c44edcccdbdfaa53cc73eca54779893f66d3b1fe128c7664be6fbc3edac
SSDEEP 98304:NTLQUGqcqlHuNEJ87D4rmXP8HXPTkgOENFbypL727ekn0s9hnK3s+Wg1DRcrk2yp:p5cUg1GPwglnbyd27ekn0EA3syNekZFr
TLSH
T1A34633460F8AB969D64922B09205808F8340EB0E8F6B7E5DBC3BEF77954F14C5796B48
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

defense_evasion themida trojan

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	pirathook.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	pirathook.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	pirathook.exe

Themida packer 13 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/1248-0-0x00007FF722510000-0x00007FF7231A2000-memory.dmp	themida
behavioral1/memory/1248-2-0x00007FF722510000-0x00007FF7231A2000-memory.dmp	themida
behavioral1/memory/1248-3-0x00007FF722510000-0x00007FF7231A2000-memory.dmp	themida
behavioral1/memory/1248-1-0x00007FF722510000-0x00007FF7231A2000-memory.dmp	themida
behavioral1/memory/1248-7-0x00007FF722510000-0x00007FF7231A2000-memory.dmp	themida
behavioral1/memory/1248-6-0x00007FF722510000-0x00007FF7231A2000-memory.dmp	themida
behavioral1/memory/1248-5-0x00007FF722510000-0x00007FF7231A2000-memory.dmp	themida
behavioral1/memory/1248-4-0x00007FF722510000-0x00007FF7231A2000-memory.dmp	themida
behavioral1/memory/1248-9-0x00007FF722510000-0x00007FF7231A2000-memory.dmp	themida
behavioral1/memory/1248-10-0x00007FF722510000-0x00007FF7231A2000-memory.dmp	themida
behavioral1/memory/1248-11-0x00007FF722510000-0x00007FF7231A2000-memory.dmp	themida
behavioral1/memory/1248-12-0x00007FF722510000-0x00007FF7231A2000-memory.dmp	themida
behavioral1/memory/1248-13-0x00007FF722510000-0x00007FF7231A2000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

defense_evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	pirathook.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1248	pirathook.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3712	timeout.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1248	pirathook.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1248	pirathook.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1248 wrote to memory of 4292	1248	pirathook.exe	88
PID 4292 wrote to memory of 1552	4292	cmd.exe	90
PID 4292 wrote to memory of 5052	4292	cmd.exe	91
PID 4292 wrote to memory of 2740	4292	cmd.exe	92
PID 1248 wrote to memory of 4768	1248	pirathook.exe	93
PID 4768 wrote to memory of 2640	4768	cmd.exe	95
PID 2640 wrote to memory of 3712	2640	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\pirathook.exe
"C:\Users\Admin\AppData\Local\Temp\pirathook.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1248
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\pirathook.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4292
- - C:\Windows\system32\certutil.exe
    certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\pirathook.exe" MD5
    3⤵
    PID:1552
- - C:\Windows\system32\find.exe
    find /i /v "md5"
    3⤵
    PID:5052
- - C:\Windows\system32\find.exe
    find /i /v "certutil"
    3⤵
    PID:2740
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c start cmd /C "color b && title Error && echo You need to run the KeyAuthApp.init(); function before any other KeyAuth functions && timeout /t 5"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4768
- - C:\Windows\system32\cmd.exe
    cmd /C "color b && title Error && echo You need to run the KeyAuthApp.init(); function before any other KeyAuth functions && timeout /t 5"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2640
  - - C:\Windows\system32\timeout.exe
      timeout /t 5
      4⤵
      Delays execution with timeout.exe
      PID:3712

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1248-0-0x00007FF722510000-0x00007FF7231A2000-memory.dmp

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memory/1248-2-0x00007FF722510000-0x00007FF7231A2000-memory.dmp

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memory/1248-3-0x00007FF722510000-0x00007FF7231A2000-memory.dmp

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memory/1248-1-0x00007FF722510000-0x00007FF7231A2000-memory.dmp

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memory/1248-7-0x00007FF722510000-0x00007FF7231A2000-memory.dmp

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memory/1248-6-0x00007FF722510000-0x00007FF7231A2000-memory.dmp

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memory/1248-5-0x00007FF722510000-0x00007FF7231A2000-memory.dmp

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memory/1248-8-0x00007FF72271F000-0x00007FF722721000-memory.dmp

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memory/1248-4-0x00007FF722510000-0x00007FF7231A2000-memory.dmp

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memory/1248-9-0x00007FF722510000-0x00007FF7231A2000-memory.dmp

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memory/1248-10-0x00007FF722510000-0x00007FF7231A2000-memory.dmp

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memory/1248-11-0x00007FF722510000-0x00007FF7231A2000-memory.dmp

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memory/1248-12-0x00007FF722510000-0x00007FF7231A2000-memory.dmp

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memory/1248-13-0x00007FF722510000-0x00007FF7231A2000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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