ff24b9da6cddd77f8c19169134eb054130567825eee1008b5a32244e1028e76f

Analysis

max time kernel
48s
max time network
43s
platform
windows11-21h2_x64
resource
win11-20240214-en
resource tags

arch:x64arch:x86image:win11-20240214-enlocale:en-usos:windows11-21h2-x64system
submitted
17/02/2024, 21:47

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General

Target

pafish64.exe
Size

118KB
MD5

4b6229d1b32d7346cf4c8312a8bc7925
SHA1

4d83e18a7e1650b4f9bb5e866ea4ad97a21522bd
SHA256

ff24b9da6cddd77f8c19169134eb054130567825eee1008b5a32244e1028e76f
SHA512

804f7e663f3a4e03f99e19f7ad8e89362c9d11793ece2e0716f86bce020f6ce95766fc4f6e686375b73d0b6765cc75029d8d6527abe0777b91ec807f81c7146a
SSDEEP

3072:wgjIzC10pKQ6PbNehdv3I0lmPendNyrOMGTkrNRD:wgSCuMDendVMGTuNR

Score

9^/10

evasion

Malware Config

Signatures

Enumerates VirtualBox registry keys 2 TTPs 5 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxMouse	pafish64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxService	pafish64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxSF	pafish64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxVideo	pafish64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxGuest	pafish64.exe

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	pafish64.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\FADT\VBOX__	pafish64.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\RSDT\VBOX__	pafish64.exe

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	pafish64.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools	pafish64.exe

Checks BIOS information in registry 2 TTPs 3 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\SystemBiosDate	pafish64.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	pafish64.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	pafish64.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\SOFTWARE\Wine	pafish64.exe

Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\VBoxMiniRdrDN	pafish64.exe

Modifies Internet Explorer settings 1 TTPs 29 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Internet Explorer\Protected - It is a violation of Windows Policy to modify. See aka.ms/browserpolicy\HomepagesUpgradeVersion = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Internet Explorer\Main\DisableFirstRunCustomize = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\StaleCompatCache = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListDomainAttributeSet = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPMigrationVer = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Internet Explorer\BrowserEmulation	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionLow = "395196024"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "9"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Internet Explorer\GPU\Revision = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "13"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Internet Explorer\VersionManager\FirstCheckForUpdateHighDateTime = "31089199"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionLow = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "8"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionHigh = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListXMLVersionLow = "395196024"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Internet Explorer\GPU\SoftwareFallback = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Internet Explorer\VersionManager\FirstCheckForUpdateLowDateTime = "3727375157"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Internet Explorer\GPU\DeviceId = "140"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionHigh = "268435456"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\StaleCompatCache = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Internet Explorer\GPU\VendorId = "4318"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListXMLVersionHigh = "268435456"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Internet Explorer\GPU\SubSysId = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Internet Explorer\Protected - It is a violation of Windows Policy to modify. See aka.ms/browserpolicy	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4748	pafish64.exe
4748	pafish64.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4748	pafish64.exe
4748	pafish64.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3132 wrote to memory of 956	3132	MSOXMLED.EXE	86
PID 3132 wrote to memory of 956	3132	MSOXMLED.EXE	86

C:\Users\Admin\AppData\Local\Temp\pafish64.exe
"C:\Users\Admin\AppData\Local\Temp\pafish64.exe"
1⤵
- Enumerates VirtualBox registry keys
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Checks for VirtualBox DLLs, possible anti-VM trick
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4748

C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX64\Microsoft Shared\Office16\MSOXMLED.EXE
"C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX64\Microsoft Shared\Office16\MSOXMLED.EXE" /verb open "C:\Users\Admin\Desktop\WriteUse.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:3132
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\WriteUse.xml
  2⤵
  - Modifies Internet Explorer settings
  PID:956

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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

Replay Monitor

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Downloads

memory/3132-22-0x00007FFC81020000-0x00007FFC81229000-memory.dmp

Filesize
2.0MB

Download
memory/3132-16-0x00007FFC81020000-0x00007FFC81229000-memory.dmp

Filesize
2.0MB

Download
memory/3132-30-0x00007FFC81020000-0x00007FFC81229000-memory.dmp

Filesize
2.0MB

Download
memory/3132-12-0x00007FFC410B0000-0x00007FFC410C0000-memory.dmp

Filesize
64KB

Download
memory/3132-13-0x00007FFC410B0000-0x00007FFC410C0000-memory.dmp

Filesize
64KB

Download
memory/3132-15-0x00007FFC410B0000-0x00007FFC410C0000-memory.dmp

Filesize
64KB

Download
memory/3132-21-0x00007FFC81020000-0x00007FFC81229000-memory.dmp

Filesize
2.0MB

Download
memory/3132-18-0x00007FFC81020000-0x00007FFC81229000-memory.dmp

Filesize
2.0MB

Download
memory/3132-17-0x00007FFC410B0000-0x00007FFC410C0000-memory.dmp

Filesize
64KB

Download
memory/3132-14-0x00007FFC81020000-0x00007FFC81229000-memory.dmp

Filesize
2.0MB

Download
memory/3132-33-0x00007FFC81020000-0x00007FFC81229000-memory.dmp

Filesize
2.0MB

Download
memory/3132-19-0x00007FFC410B0000-0x00007FFC410C0000-memory.dmp

Filesize
64KB

Download
memory/3132-25-0x00007FFC81020000-0x00007FFC81229000-memory.dmp

Filesize
2.0MB

Download
memory/3132-23-0x00007FFC81020000-0x00007FFC81229000-memory.dmp

Filesize
2.0MB

Download
memory/3132-24-0x00007FFC81020000-0x00007FFC81229000-memory.dmp

Filesize
2.0MB

Download
memory/3132-26-0x00007FFC410B0000-0x00007FFC410C0000-memory.dmp

Filesize
64KB

Download
memory/3132-32-0x00007FFC7F7D0000-0x00007FFC7F88D000-memory.dmp

Filesize
756KB

Download
memory/3132-27-0x00007FFC410B0000-0x00007FFC410C0000-memory.dmp

Filesize
64KB

Download
memory/3132-29-0x00007FFC410B0000-0x00007FFC410C0000-memory.dmp

Filesize
64KB

Download
memory/3132-28-0x00007FFC81020000-0x00007FFC81229000-memory.dmp

Filesize
2.0MB

Download
memory/3132-31-0x00007FFC410B0000-0x00007FFC410C0000-memory.dmp

Filesize
64KB

Download
memory/4748-4-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4748-7-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4748-11-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download