Malware Analysis Report

2024-10-10 08:07

Sample ID 240611-ma3ytatarb
Target Solara.Dir_4.zip
SHA256 56c860462f30759c805c66f5154cb2d9b6a292c84bfdd1ec7ecfdfeaa824bf0f
Tags
evasion themida
score
9/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
9/10

SHA256

56c860462f30759c805c66f5154cb2d9b6a292c84bfdd1ec7ecfdfeaa824bf0f

Threat Level: Likely malicious

The file Solara.Dir_4.zip was found to be: Likely malicious.

Malicious Activity Summary

evasion themida

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Checks BIOS information in registry

Themida packer

Legitimate hosting services abused for malware hosting/C2

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-11 10:16

Signatures

Themida packer

themida
Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-11 10:16

Reported

2024-06-11 10:18

Platform

win7-20240221-en

Max time kernel

24s

Max time network

19s

Command Line

C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\Solara.Dir_4.zip

Signatures

N/A

Processes

C:\Windows\Explorer.exe

C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\Solara.Dir_4.zip

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-11 10:16

Reported

2024-06-11 10:18

Platform

win10v2004-20240508-en

Max time kernel

94s

Max time network

92s

Command Line

C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\Solara.Dir_4.zip

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\Desktop\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\Desktop\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\Desktop\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe N/A

Themida packer

themida
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A raw.githubusercontent.com N/A N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\Desktop\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\Desktop\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe N/A
N/A N/A C:\Users\Admin\Desktop\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\Desktop\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe N/A

Processes

C:\Windows\Explorer.exe

C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\Solara.Dir_4.zip

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding

C:\Users\Admin\Desktop\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe

"C:\Users\Admin\Desktop\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 raw.githubusercontent.com udp
N/A 127.0.0.1:54366 tcp

Files

memory/4920-1-0x00007FFF5B0B3000-0x00007FFF5B0B5000-memory.dmp

memory/4920-0-0x0000024E05F60000-0x0000024E05F7A000-memory.dmp

memory/4920-2-0x0000024E20AC0000-0x0000024E20FFC000-memory.dmp

memory/4920-3-0x00007FFF5B0B0000-0x00007FFF5BB71000-memory.dmp

memory/4920-4-0x0000024E20730000-0x0000024E207EA000-memory.dmp

memory/4920-5-0x0000024E063E0000-0x0000024E063EE000-memory.dmp

memory/4920-6-0x0000024E208F0000-0x0000024E2096E000-memory.dmp

memory/4920-7-0x0000000180000000-0x0000000180B19000-memory.dmp

memory/4920-8-0x0000000180000000-0x0000000180B19000-memory.dmp

memory/4920-9-0x0000000180000000-0x0000000180B19000-memory.dmp

memory/4920-12-0x0000024E206F0000-0x0000024E206F8000-memory.dmp

memory/4920-10-0x0000000180000000-0x0000000180B19000-memory.dmp

memory/4920-14-0x0000024E25660000-0x0000024E2566E000-memory.dmp

memory/4920-13-0x0000024E25690000-0x0000024E256C8000-memory.dmp

memory/4920-16-0x00007FFF5F9C0000-0x00007FFF5F9E4000-memory.dmp

memory/4920-15-0x0000000180000000-0x0000000180B19000-memory.dmp

memory/4920-17-0x0000024E25A00000-0x0000024E25AB2000-memory.dmp

memory/4920-18-0x0000000180000000-0x0000000180B19000-memory.dmp

memory/4920-20-0x00007FFF5B0B0000-0x00007FFF5BB71000-memory.dmp