ff24b9da6cddd77f8c19169134eb054130567825eee1008b5a32244e1028e76f

Resubmissions

06-05-2023 12:23

230506-pkrpmshb38 4

06-05-2023 12:19

230506-phpghahb33 9

Analysis

max time kernel
141s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
06-05-2023 12:19

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Report Analysis Logs

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\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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxMouse	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\SystemBiosVersion	pafish64.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	pafish64.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	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-1-5-21-1283023626-844874658-3193756055-1000\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

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1556	pafish64.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1556	pafish64.exe
1556	pafish64.exe

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:1556

Network

MITRE ATT&CK Enterprise v6

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

Replay Monitor

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Downloads

memory/1556-57-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1556-60-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1556-64-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1556-67-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download