f189deabc5333fb1b0953c31e813a5f9e65c5473f12b4877d20b93c0b55b09c2

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 11 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/3052-0-0x00007FF7B64E0000-0x00007FF7B7172000-memory.dmp	themida
behavioral2/memory/3052-1-0x00007FF7B64E0000-0x00007FF7B7172000-memory.dmp	themida
behavioral2/memory/3052-2-0x00007FF7B64E0000-0x00007FF7B7172000-memory.dmp	themida
behavioral2/memory/3052-3-0x00007FF7B64E0000-0x00007FF7B7172000-memory.dmp	themida
behavioral2/memory/3052-5-0x00007FF7B64E0000-0x00007FF7B7172000-memory.dmp	themida
behavioral2/memory/3052-7-0x00007FF7B64E0000-0x00007FF7B7172000-memory.dmp	themida
behavioral2/memory/3052-9-0x00007FF7B64E0000-0x00007FF7B7172000-memory.dmp	themida
behavioral2/memory/3052-6-0x00007FF7B64E0000-0x00007FF7B7172000-memory.dmp	themida
behavioral2/memory/3052-4-0x00007FF7B64E0000-0x00007FF7B7172000-memory.dmp	themida
behavioral2/memory/3052-10-0x00007FF7B64E0000-0x00007FF7B7172000-memory.dmp	themida
behavioral2/memory/3052-11-0x00007FF7B64E0000-0x00007FF7B7172000-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
3052	pirathook.exe

Delays execution with timeout.exe 2 IoCs

defense_evasion

pid	Process
4476	timeout.exe
1380	timeout.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3052	pirathook.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3052	pirathook.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 4104	3052	pirathook.exe	86
PID 4104 wrote to memory of 5796	4104	cmd.exe	88
PID 4104 wrote to memory of 3800	4104	cmd.exe	89
PID 4104 wrote to memory of 2796	4104	cmd.exe	90
PID 3052 wrote to memory of 2320	3052	pirathook.exe	91
PID 2320 wrote to memory of 2556	2320	cmd.exe	93
PID 2556 wrote to memory of 4476	2556	cmd.exe	96
PID 3052 wrote to memory of 2388	3052	pirathook.exe	99
PID 2388 wrote to memory of 1420	2388	cmd.exe	101
PID 1420 wrote to memory of 1380	1420	cmd.exe	105

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:3052
- 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:4104
- - C:\Windows\system32\certutil.exe
    certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\pirathook.exe" MD5
    3⤵
    PID:5796
- - C:\Windows\system32\find.exe
    find /i /v "md5"
    3⤵
    PID:3800
- - C:\Windows\system32\find.exe
    find /i /v "certutil"
    3⤵
    PID:2796
- 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:2320
- - 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:2556
  - - C:\Windows\system32\timeout.exe
      timeout /t 5
      4⤵
      Delays execution with timeout.exe
      PID:4476
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c start cmd /C "color b && title Error && echo CURL Error: SSL connect error && timeout /t 5"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2388
- - C:\Windows\system32\cmd.exe
    cmd /C "color b && title Error && echo CURL Error: SSL connect error && timeout /t 5"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1420
  - - C:\Windows\system32\timeout.exe
      timeout /t 5
      4⤵
      Delays execution with timeout.exe
      PID:1380

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3052-0-0x00007FF7B64E0000-0x00007FF7B7172000-memory.dmp

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memory/3052-1-0x00007FF7B64E0000-0x00007FF7B7172000-memory.dmp

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memory/3052-2-0x00007FF7B64E0000-0x00007FF7B7172000-memory.dmp

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memory/3052-3-0x00007FF7B64E0000-0x00007FF7B7172000-memory.dmp

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memory/3052-5-0x00007FF7B64E0000-0x00007FF7B7172000-memory.dmp

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memory/3052-7-0x00007FF7B64E0000-0x00007FF7B7172000-memory.dmp

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memory/3052-9-0x00007FF7B64E0000-0x00007FF7B7172000-memory.dmp

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memory/3052-6-0x00007FF7B64E0000-0x00007FF7B7172000-memory.dmp

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memory/3052-4-0x00007FF7B64E0000-0x00007FF7B7172000-memory.dmp

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memory/3052-8-0x00007FF7B66EF000-0x00007FF7B66F1000-memory.dmp

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memory/3052-10-0x00007FF7B64E0000-0x00007FF7B7172000-memory.dmp

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memory/3052-11-0x00007FF7B64E0000-0x00007FF7B7172000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads