6141bc450a96c5abb89441191a57cebd53d7346f174ad620c16ab39bc9036d52

Analysis

max time kernel
146s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
14-03-2023 12:24

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General

Target

Loader_protected.exe
Size

25.3MB
MD5

8cc84c3212164650b08f683d6d5d9bc9
SHA1

ccba4dea3ecf23f5c02e574a7f44b0f0c53bc586
SHA256

6141bc450a96c5abb89441191a57cebd53d7346f174ad620c16ab39bc9036d52
SHA512

06b56eddc6ad01a4bcbaaf15ac9ac0292bee340dd881e098aece9e3becfe0bcfb942198a5dcb7aee2d27407340954130b22e8a54172939693e9142ca2295f74e
SSDEEP

393216:xm0bMJiMaLNi3Ayp6Lvp7fX/J9aq81h4UmrTMfE/Ycyo11oE5oiLvElwz0saj:EIMiQ6rVzm4HTqEgcysHSiLMS3aj

Score

9^/10

evasion themida trojan

Malware Config

Signatures

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

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

Loader_protected.exe

description ioc process

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

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

Loader_protected.exe

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

Themida packer 8 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/812-133-0x00007FF64A250000-0x00007FF64E4B0000-memory.dmp	themida
behavioral2/memory/812-134-0x00007FF64A250000-0x00007FF64E4B0000-memory.dmp	themida
behavioral2/memory/812-135-0x00007FF64A250000-0x00007FF64E4B0000-memory.dmp	themida
behavioral2/memory/812-136-0x00007FF64A250000-0x00007FF64E4B0000-memory.dmp	themida
behavioral2/memory/812-137-0x00007FF64A250000-0x00007FF64E4B0000-memory.dmp	themida
behavioral2/memory/812-138-0x00007FF64A250000-0x00007FF64E4B0000-memory.dmp	themida
behavioral2/memory/812-139-0x00007FF64A250000-0x00007FF64E4B0000-memory.dmp	themida
behavioral2/memory/812-140-0x00007FF64A250000-0x00007FF64E4B0000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Loader_protected.exe

description ioc process

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

Processes:

Loader_protected.exe

pid process

812 Loader_protected.exe

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

pid	process
812	Loader_protected.exe

C:\Users\Admin\AppData\Local\Temp\Loader_protected.exe
"C:\Users\Admin\AppData\Local\Temp\Loader_protected.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
PID:812

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4408

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/812-133-0x00007FF64A250000-0x00007FF64E4B0000-memory.dmp

Filesize
66.4MB

Download
memory/812-134-0x00007FF64A250000-0x00007FF64E4B0000-memory.dmp

Filesize
66.4MB

Download
memory/812-135-0x00007FF64A250000-0x00007FF64E4B0000-memory.dmp

Filesize
66.4MB

Download
memory/812-136-0x00007FF64A250000-0x00007FF64E4B0000-memory.dmp

Filesize
66.4MB

Download
memory/812-137-0x00007FF64A250000-0x00007FF64E4B0000-memory.dmp

Filesize
66.4MB

Download
memory/812-138-0x00007FF64A250000-0x00007FF64E4B0000-memory.dmp

Filesize
66.4MB

Download
memory/812-139-0x00007FF64A250000-0x00007FF64E4B0000-memory.dmp

Filesize
66.4MB

Download
memory/812-140-0x00007FF64A250000-0x00007FF64E4B0000-memory.dmp

Filesize
66.4MB

Download