Malware Analysis Report

2025-01-06 10:58

Sample ID 240603-feqeysdc22
Target Synapse Bootstrapper.exe
SHA256 8a9b4b1135066c43c14f36cb807899548c555a3dda54165c738ccea3e8396859
Tags
evasion trojan
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 Overview

score
9/10

SHA256

8a9b4b1135066c43c14f36cb807899548c555a3dda54165c738ccea3e8396859

Threat Level: Likely malicious

The file Synapse Bootstrapper.exe was found to be: Likely malicious.

Malicious Activity Summary

evasion trojan

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

Loads dropped DLL

Checks BIOS information in registry

Checks whether UAC is enabled

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-03 04:47

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-03 04:47

Reported

2024-06-03 04:50

Platform

win10-20240404-en

Max time kernel

64s

Max time network

44s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Synapse Bootstrapper.exe"

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\AppData\Local\Temp\Synapse Bootstrapper.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\Desktop\Synapse Bootstrapper.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\Desktop\adwa\Synapse Bootstrapper.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\adwa\Synapse Bootstrapper.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\Desktop\adwa\Synapse Bootstrapper.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\Synapse Bootstrapper.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\Synapse Bootstrapper.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\Desktop\Synapse Bootstrapper.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\Desktop\Synapse Bootstrapper.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\Synapse Bootstrapper.exe N/A
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\Desktop\Synapse Bootstrapper.exe N/A
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\Desktop\adwa\Synapse Bootstrapper.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Synapse Bootstrapper.exe N/A
N/A N/A C:\Users\Admin\Desktop\Synapse Bootstrapper.exe N/A
N/A N/A C:\Users\Admin\Desktop\adwa\Synapse Bootstrapper.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Synapse Bootstrapper.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\Desktop\Synapse Bootstrapper.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\Desktop\adwa\Synapse Bootstrapper.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Synapse Bootstrapper.exe

"C:\Users\Admin\AppData\Local\Temp\Synapse Bootstrapper.exe"

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\Synapse Bootstrapper.exe

"C:\Users\Admin\Desktop\Synapse Bootstrapper.exe"

C:\Users\Admin\Desktop\adwa\Synapse Bootstrapper.exe

"C:\Users\Admin\Desktop\adwa\Synapse Bootstrapper.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 dev.synapsesupport.io udp
N/A 127.0.0.1:50420 tcp
N/A 52.111.227.14:443 tcp

Files

memory/4248-9-0x0000000180000000-0x0000000180A23000-memory.dmp

memory/4248-17-0x00007FF6F7F4E000-0x00007FF6F7F4F000-memory.dmp

memory/4248-14-0x00000279A3610000-0x00000279A369A000-memory.dmp

memory/4248-18-0x00000279C5470000-0x00000279C63F8000-memory.dmp

memory/4248-22-0x00000279C4110000-0x00000279C4338000-memory.dmp

memory/4248-26-0x00000279C4340000-0x00000279C449E000-memory.dmp

memory/4248-30-0x00000279C3E60000-0x00000279C3EA4000-memory.dmp

memory/4248-34-0x00000279C3EB0000-0x00000279C3EEE000-memory.dmp

memory/4248-39-0x00000279C6400000-0x00000279C6C43000-memory.dmp

memory/4248-58-0x00000279A36A0000-0x00000279A36A7000-memory.dmp

memory/4248-54-0x00000279C3F40000-0x00000279C3F53000-memory.dmp

memory/4248-50-0x00000279A37F0000-0x00000279A37F5000-memory.dmp

memory/4248-46-0x00000279A36D0000-0x00000279A36DD000-memory.dmp

memory/4248-42-0x00000279C3DE0000-0x00000279C3E5F000-memory.dmp

memory/4248-62-0x00000279C3F00000-0x00000279C3F19000-memory.dmp

memory/4248-78-0x00000279C3FA0000-0x00000279C3FB2000-memory.dmp

memory/4248-74-0x00000279C3F80000-0x00000279C3F98000-memory.dmp

memory/4248-85-0x00000279C4AE0000-0x00000279C4BD4000-memory.dmp

memory/4248-97-0x00000279C40B0000-0x00000279C40DA000-memory.dmp

memory/4248-93-0x00000279C49E0000-0x00000279C4A27000-memory.dmp

memory/4248-89-0x00000279C3FD0000-0x00000279C3FD8000-memory.dmp

\Users\Admin\AppData\Local\Temp\.net\Synapse Bootstrapper\93FNFMbaG8_7k0724HEyWqcN3bXE_rQ=\PresentationNative_cor3.dll

MD5 92e62d8dcbedc7391d70d95c9b9dc563
SHA1 a910c6e2aefc18ecdc8eb559bdceab2fca0e9bbb
SHA256 2e6930506b0b35684d3d2c6e3ee5bfeea5da22c1dc89ae43fcfcbae6a3f0ec18
SHA512 cf10909b0df3be1dbfb032649040f698cb159659a8df4e3c36a3bb2fff705bcc9ce0caaa79f025f14d4b62503338b95c0fbcee3e39c21e37f2958c0b0f610493

memory/4248-70-0x00000279C4000000-0x00000279C4040000-memory.dmp

memory/4248-66-0x00000279C3F60000-0x00000279C3F76000-memory.dmp

\Users\Admin\AppData\Local\Temp\.net\Synapse Bootstrapper\93FNFMbaG8_7k0724HEyWqcN3bXE_rQ=\wpfgfx_cor3.dll

MD5 ec7e16bfa7bf457b421d9ebe7f378f5c
SHA1 93dd6a78cf2d7b5f58857eaf9a4b6fe70befba24
SHA256 6a2119a807ca8be3df9fce1d563d8557d3a284dc8e03cbb0319c2f60e52cce7c
SHA512 0708fd9966bd3c440cbebb4c07c82639e600b241a54ef407952df35fd31b09c630bdc01adbbf7c696b6df7b4e14bb85f72dcae15cdcb3fd71232f1d712687b46

\Users\Admin\AppData\Local\Temp\.net\Synapse Bootstrapper\93FNFMbaG8_7k0724HEyWqcN3bXE_rQ=\D3DCompiler_47_cor3.dll

MD5 ca68272d2c97f1e145f50b8cd1edf3a6
SHA1 83097400436f111c13ee34740e66b3de0542914b
SHA256 ff5dddae92b3798cc00c14a706ecb6329c27aa6d7bb6e82b393cf8b7366458ba
SHA512 ffc670aea4dad0113196d594c0fd07a838123e485ffebe3b728b8a18403b0bb82b042ccf23019c850a62466990b10a2e94102178326df735e4815dba7811d502

\Users\Admin\AppData\Local\Temp\.net\Synapse Bootstrapper\93FNFMbaG8_7k0724HEyWqcN3bXE_rQ=\libsx_bootstrap.dll

MD5 de2791e205753538012b79abdf007036
SHA1 5f79d632b1f08738af99e84ed549a03250f19ccd
SHA256 4484676d8ff0f1db1f2b51a01aae30bb89c3b5c8821d0450b6f722362730f4bd
SHA512 18ed94779dfc86ae14638da2c8c42bc2fc6cb891e00615b748b01d18a1462facbf928d4bc67aa40da03deeb982a760bcf9e092127fe8f9b202cfd37e00d2cc74

memory/4248-189-0x00007FFBD18A0000-0x00007FFBD28D8000-memory.dmp

memory/4248-191-0x00007FF6F79B0000-0x00007FF6F82F7000-memory.dmp

\Users\Admin\AppData\Local\Temp\.net\Synapse Bootstrapper\93FNFMbaG8_7k0724HEyWqcN3bXE_rQ=\vcruntime140_cor3.dll

MD5 f12681a472b9dd04a812e16096514974
SHA1 6fd102eb3e0b0e6eef08118d71f28702d1a9067c
SHA256 d66c3b47091ceb3f8d3cc165a43d285ae919211a0c0fcb74491ee574d8d464f8
SHA512 7d3accbf84de73fb0c5c0de812a9ed600d39cd7ed0f99527ca86a57ce63f48765a370e913e3a46ffc2ccd48ee07d823dafdd157710eef9e7cc1eb7505dc323a2

memory/4248-228-0x00007FF6F79B0000-0x00007FF6F82F7000-memory.dmp

memory/4248-229-0x00007FFBD18A0000-0x00007FFBD28D8000-memory.dmp

memory/4964-423-0x00007FFBD0E10000-0x00007FFBD1E48000-memory.dmp

memory/4964-448-0x00007FFBD0E10000-0x00007FFBD1E48000-memory.dmp

memory/8-634-0x00007FFBD0E10000-0x00007FFBD1E48000-memory.dmp

memory/8-663-0x00007FFBD0E10000-0x00007FFBD1E48000-memory.dmp