2180f4a13add5e346e8cf6994876a9d2f5eac3fcb695db8569537010d24cd6d5

Analysis

max time kernel
14s
max time network
115s
platform
windows10_x64
resource
win10v20201028
submitted
25-11-2020 15:39

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General

Target

pafish.exe
Size

75KB
MD5

9159edb64c4a21d8888d088bf2db23f3
SHA1

124f46228d1e220d88ae5e9a24d6e713039a64f9
SHA256

2180f4a13add5e346e8cf6994876a9d2f5eac3fcb695db8569537010d24cd6d5
SHA512

4b6d56b81dd3cd42bb53fc8d68b5c8ef0d6c85ebcc503cd042ae5c19e8965e6477f259a02bafb9c5c66956ae1023fc30e3be5bbcd526eacc8480f93d74c1ab7c

Score

9^/10

evasion

Malware Config

Signatures

Enumerates VirtualBox registry keys 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

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

Processes:

pafish.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	pafish.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	pafish.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	pafish.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

Processes:

pafish.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\SOFTWARE\Wine pafish.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

pafish.exe

pid process

744 pafish.exe
744 pafish.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\SOFTWARE\Wine	pafish.exe

pid	process
744	pafish.exe
744	pafish.exe

C:\Users\Admin\AppData\Local\Temp\pafish.exe
"C:\Users\Admin\AppData\Local\Temp\pafish.exe"
1⤵
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious behavior: EnumeratesProcesses
PID:744

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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