526a03655fa47bcc97dcf25033d3267b53ea5e8e5e11926e18eb9b0ec2e54f82

General

Target
echo-free.exe
Size 50.3MB
Sample260809-wkcdaabl2x
SHA256 526a03655fa47bcc97dcf25033d3267b53ea5e8e5e11926e18eb9b0ec2e54f82
MD5 13afa9728ccce34cea1474937067fd3a
SHA1 08afffb3bb2ea20f8f3b05030b405a9950c0258c
SHA512 3d1328f5436b4f09aabd747a77178dc41b0992aa8dccadefa6d7ada87e709a28f1e9d7121ab618d9e9808f42e6f80475c7602b6d5485732535e3f1a87e93fba0
SSDEEP 786432:+P3D54f3ntrN/Ni4XuRJTJhgq01qZOrNpP7c:E3UFi4Xy7OqEN4
TLSH
T186C7AF079D5B10F6C0BD82344559A12AE2B2BC0A9BD877D73E8AFB2C1F376D0163A751
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

defense_evasion spyware trojan

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	echo-free.exe

Checks BIOS information in registry 2 TTPs 2 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\VideoBiosVersion	echo-free.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	echo-free.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4592	echo-free.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

defense_evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	echo-free.exe

Modifies system certificate store 2 TTPs 5 IoCs

defense_evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\AD7E1C28B064EF8F6003402014C3D0E3370EB58A\Blob = 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	echo-free.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\AD7E1C28B064EF8F6003402014C3D0E3370EB58A\Blob = 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	echo-free.exe
Key created	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\SystemCertificates\CA\Certificates\9E99A48A9960B14926BB7F3B02E22DA2B0AB7280	echo-free.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\SystemCertificates\CA\Certificates\9E99A48A9960B14926BB7F3B02E22DA2B0AB7280\Blob = 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	echo-free.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\AD7E1C28B064EF8F6003402014C3D0E3370EB58A	echo-free.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
4592	echo-free.exe
4592	echo-free.exe
4592	echo-free.exe
4592	echo-free.exe
4592	echo-free.exe
4592	echo-free.exe
4592	echo-free.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4592	echo-free.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4592	echo-free.exe

C:\Users\Admin\AppData\Local\Temp\echo-free.exe
"C:\Users\Admin\AppData\Local\Temp\echo-free.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks whether UAC is enabled
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4592