privateloader | c40b255d65ff06e10b6d8ee03ca5cd1bd3e80cb5e88b84107fa450e7931b1e40

Analysis

max time kernel
64s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
24-07-2022 20:41

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

file.exe
Size

4.6MB
MD5

e67b0f88dec67711f626ca630d1ddfa9
SHA1

be17d231d4e92f7bd01dbe2dc49d423cfce7a191
SHA256

c40b255d65ff06e10b6d8ee03ca5cd1bd3e80cb5e88b84107fa450e7931b1e40
SHA512

c3f66d2f24f28e459fa05f4487115312f780cb567f71294e20fd911592e8ec645d457b8b46fa07f18a4ebb7945103ec4a8dd10ea763b4636088339c54dc1a41a

Score

10^/10

privateloader evasion loader themida trojan

Malware Config

Signatures

PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
loader privateloader
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

file.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ file.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	file.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

Processes:

file.exe

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

Themida packer 8 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/3620-130-0x0000000000510000-0x0000000000ECA000-memory.dmp	themida
behavioral2/memory/3620-131-0x0000000000510000-0x0000000000ECA000-memory.dmp	themida
behavioral2/memory/3620-136-0x0000000000510000-0x0000000000ECA000-memory.dmp	themida
behavioral2/memory/3620-137-0x0000000000510000-0x0000000000ECA000-memory.dmp	themida
behavioral2/memory/3620-138-0x0000000000510000-0x0000000000ECA000-memory.dmp	themida
behavioral2/memory/3620-139-0x0000000000510000-0x0000000000ECA000-memory.dmp	themida
behavioral2/memory/3620-141-0x0000000000510000-0x0000000000ECA000-memory.dmp	themida
behavioral2/memory/3620-143-0x0000000000510000-0x0000000000ECA000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

file.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA file.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

file.exe

pid process

3620 file.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

file.exe

pid process

3620 file.exe
3620 file.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	file.exe

pid	process
3620	file.exe

pid	process
3620	file.exe
3620	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:3620

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3620-130-0x0000000000510000-0x0000000000ECA000-memory.dmp

Filesize
9.7MB

Download
memory/3620-131-0x0000000000510000-0x0000000000ECA000-memory.dmp

Filesize
9.7MB

Download
memory/3620-136-0x0000000000510000-0x0000000000ECA000-memory.dmp

Filesize
9.7MB

Download
memory/3620-137-0x0000000000510000-0x0000000000ECA000-memory.dmp

Filesize
9.7MB

Download
memory/3620-138-0x0000000000510000-0x0000000000ECA000-memory.dmp

Filesize
9.7MB

Download
memory/3620-139-0x0000000000510000-0x0000000000ECA000-memory.dmp

Filesize
9.7MB

Download
memory/3620-140-0x0000000077980000-0x0000000077B23000-memory.dmp

Filesize
1.6MB

Download
memory/3620-141-0x0000000000510000-0x0000000000ECA000-memory.dmp

Filesize
9.7MB

Download
memory/3620-142-0x0000000077980000-0x0000000077B23000-memory.dmp

Filesize
1.6MB

Download
memory/3620-143-0x0000000000510000-0x0000000000ECA000-memory.dmp

Filesize
9.7MB

Download
memory/3620-144-0x0000000077980000-0x0000000077B23000-memory.dmp

Filesize
1.6MB

Download