netsupport | e83baf4288ca1bc2b65da0ccb7a04063a8f227b3eddc4a0080fedfb5396d505d

Analysis

max time kernel
146s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
22/03/2025, 04:10

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General

Target

client32.exe
Size

117KB
MD5

394b5f9e94a82fd4f2934e4bbe4bc30e
SHA1

6b8281f7b44b0c2c3a22ad14998b342e673f8c16
SHA256

0501c9eedd74ed5e3112f5ddbd8d5d12098274d08605417a433a000822458183
SHA512

0f4b84ba6e4da8364aea8c71f6255a9cfae7180735a347174c777c953588cfbe4e1f2d42a2b17bb84444f039793cff0b6fa92a024184dae8d2b844949ae07bdc
SSDEEP

768:NfVZl6FhWr80/SqUr2pe/3N6HDHf/ckgGr2pe/k7HDHf/ckHgdV:N70hGaq0ee/30jHNee/IjHDgT

Score

10^/10

netsupport defense_evasion discovery rat themida trojan

Malware Config

Signatures

NetSupport
NetSupport is a remote access tool sold as a legitimate system administration software.
rat netsupport
Netsupport family
netsupport

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__	client32.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\SystemBiosVersion	client32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	client32.exe

Themida packer 20 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral10/memory/4364-0-0x0000000011000000-0x0000000011B58000-memory.dmp	themida
behavioral10/memory/4364-2-0x0000000011000000-0x0000000011B58000-memory.dmp	themida
behavioral10/memory/4364-3-0x0000000011000000-0x0000000011B58000-memory.dmp	themida
behavioral10/memory/4364-4-0x0000000011000000-0x0000000011B58000-memory.dmp	themida
behavioral10/memory/4364-5-0x0000000011000000-0x0000000011B58000-memory.dmp	themida
behavioral10/memory/4364-7-0x0000000011000000-0x0000000011B58000-memory.dmp	themida
behavioral10/memory/4364-8-0x0000000011000000-0x0000000011B58000-memory.dmp	themida
behavioral10/memory/4364-9-0x0000000011000000-0x0000000011B58000-memory.dmp	themida
behavioral10/memory/4364-10-0x0000000011000000-0x0000000011B58000-memory.dmp	themida
behavioral10/memory/4364-11-0x0000000011000000-0x0000000011B58000-memory.dmp	themida
behavioral10/memory/4364-12-0x0000000011000000-0x0000000011B58000-memory.dmp	themida
behavioral10/memory/4364-13-0x0000000011000000-0x0000000011B58000-memory.dmp	themida
behavioral10/memory/4364-14-0x0000000011000000-0x0000000011B58000-memory.dmp	themida
behavioral10/memory/4364-15-0x0000000011000000-0x0000000011B58000-memory.dmp	themida
behavioral10/memory/4364-16-0x0000000011000000-0x0000000011B58000-memory.dmp	themida
behavioral10/memory/4364-17-0x0000000011000000-0x0000000011B58000-memory.dmp	themida
behavioral10/memory/4364-18-0x0000000011000000-0x0000000011B58000-memory.dmp	themida
behavioral10/memory/4364-19-0x0000000011000000-0x0000000011B58000-memory.dmp	themida
behavioral10/memory/4364-20-0x0000000011000000-0x0000000011B58000-memory.dmp	themida
behavioral10/memory/4364-21-0x0000000011000000-0x0000000011B58000-memory.dmp	themida

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4364	client32.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	client32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	client32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4364	client32.exe
4364	client32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeSecurityPrivilege	4364	client32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4364	client32.exe

C:\Users\Admin\AppData\Local\Temp\client32.exe
"C:\Users\Admin\AppData\Local\Temp\client32.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
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4364

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4364-0-0x0000000011000000-0x0000000011B58000-memory.dmp

Filesize
11.3MB

Download
memory/4364-1-0x0000000077624000-0x0000000077626000-memory.dmp

Filesize
8KB

Download
memory/4364-2-0x0000000011000000-0x0000000011B58000-memory.dmp

Filesize
11.3MB

Download
memory/4364-3-0x0000000011000000-0x0000000011B58000-memory.dmp

Filesize
11.3MB

Download
memory/4364-4-0x0000000011000000-0x0000000011B58000-memory.dmp

Filesize
11.3MB

Download
memory/4364-5-0x0000000011000000-0x0000000011B58000-memory.dmp

Filesize
11.3MB

Download
memory/4364-7-0x0000000011000000-0x0000000011B58000-memory.dmp

Filesize
11.3MB

Download
memory/4364-8-0x0000000011000000-0x0000000011B58000-memory.dmp

Filesize
11.3MB

Download
memory/4364-9-0x0000000011000000-0x0000000011B58000-memory.dmp

Filesize
11.3MB

Download
memory/4364-10-0x0000000011000000-0x0000000011B58000-memory.dmp

Filesize
11.3MB

Download
memory/4364-11-0x0000000011000000-0x0000000011B58000-memory.dmp

Filesize
11.3MB

Download
memory/4364-12-0x0000000011000000-0x0000000011B58000-memory.dmp

Filesize
11.3MB

Download
memory/4364-13-0x0000000011000000-0x0000000011B58000-memory.dmp

Filesize
11.3MB

Download
memory/4364-14-0x0000000011000000-0x0000000011B58000-memory.dmp

Filesize
11.3MB

Download
memory/4364-15-0x0000000011000000-0x0000000011B58000-memory.dmp

Filesize
11.3MB

Download
memory/4364-16-0x0000000011000000-0x0000000011B58000-memory.dmp

Filesize
11.3MB

Download
memory/4364-17-0x0000000011000000-0x0000000011B58000-memory.dmp

Filesize
11.3MB

Download
memory/4364-18-0x0000000011000000-0x0000000011B58000-memory.dmp

Filesize
11.3MB

Download
memory/4364-19-0x0000000011000000-0x0000000011B58000-memory.dmp

Filesize
11.3MB

Download
memory/4364-20-0x0000000011000000-0x0000000011B58000-memory.dmp

Filesize
11.3MB

Download
memory/4364-21-0x0000000011000000-0x0000000011B58000-memory.dmp

Filesize
11.3MB

Download