58941ddaab5ecb07804f5ce07c6b8235e92328c2a8b8b5b2348ec9b0fbb68133

Analysis

max time kernel
62s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
13/04/2023, 01:37

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General

Target

9656908ef92923f268a56bad8597742e.exe
Size

10.8MB
MD5

9656908ef92923f268a56bad8597742e
SHA1

55c98438a78365e27b67b5dd8f2b750c31cc4b8f
SHA256

58941ddaab5ecb07804f5ce07c6b8235e92328c2a8b8b5b2348ec9b0fbb68133
SHA512

446d969ece471271c5ec0ac962119398c9cf659967a2788a14433953c75e73e7c3f87c87a540c41e63c25957cfec0727582ec86972f0afec0e932867e2d07380
SSDEEP

196608:cYEHliAFTZxEIZOo7fgKotyHQvL7ZYrmh4nxoDjXHpl1RajX0kkD5ZLGmtr:cYEZDEeHbDoowvkmh4xKfajPgZamtr

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	9656908ef92923f268a56bad8597742e.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	9656908ef92923f268a56bad8597742e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	9656908ef92923f268a56bad8597742e.exe

Themida packer 10 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/4116-133-0x00007FF6518B0000-0x00007FF652D87000-memory.dmp	themida
behavioral2/memory/4116-134-0x00007FF6518B0000-0x00007FF652D87000-memory.dmp	themida
behavioral2/memory/4116-135-0x00007FF6518B0000-0x00007FF652D87000-memory.dmp	themida
behavioral2/memory/4116-136-0x00007FF6518B0000-0x00007FF652D87000-memory.dmp	themida
behavioral2/memory/4116-137-0x00007FF6518B0000-0x00007FF652D87000-memory.dmp	themida
behavioral2/memory/4116-138-0x00007FF6518B0000-0x00007FF652D87000-memory.dmp	themida
behavioral2/memory/4116-139-0x00007FF6518B0000-0x00007FF652D87000-memory.dmp	themida
behavioral2/memory/4116-140-0x00007FF6518B0000-0x00007FF652D87000-memory.dmp	themida
behavioral2/memory/4116-141-0x00007FF6518B0000-0x00007FF652D87000-memory.dmp	themida
behavioral2/memory/4116-142-0x00007FF6518B0000-0x00007FF652D87000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	9656908ef92923f268a56bad8597742e.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
4116	9656908ef92923f268a56bad8597742e.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4116	9656908ef92923f268a56bad8597742e.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4436	4116	WerFault.exe	82

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4116	9656908ef92923f268a56bad8597742e.exe
4116	9656908ef92923f268a56bad8597742e.exe

C:\Users\Admin\AppData\Local\Temp\9656908ef92923f268a56bad8597742e.exe
"C:\Users\Admin\AppData\Local\Temp\9656908ef92923f268a56bad8597742e.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:4116
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 4116 -s 764
  2⤵
  - Program crash
  PID:4436

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 456 -p 4116 -ip 4116
1⤵
PID:264

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

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Downloads

memory/4116-133-0x00007FF6518B0000-0x00007FF652D87000-memory.dmp

Filesize
20.8MB

Download
memory/4116-134-0x00007FF6518B0000-0x00007FF652D87000-memory.dmp

Filesize
20.8MB

Download
memory/4116-135-0x00007FF6518B0000-0x00007FF652D87000-memory.dmp

Filesize
20.8MB

Download
memory/4116-136-0x00007FF6518B0000-0x00007FF652D87000-memory.dmp

Filesize
20.8MB

Download
memory/4116-137-0x00007FF6518B0000-0x00007FF652D87000-memory.dmp

Filesize
20.8MB

Download
memory/4116-138-0x00007FF6518B0000-0x00007FF652D87000-memory.dmp

Filesize
20.8MB

Download
memory/4116-139-0x00007FF6518B0000-0x00007FF652D87000-memory.dmp

Filesize
20.8MB

Download
memory/4116-140-0x00007FF6518B0000-0x00007FF652D87000-memory.dmp

Filesize
20.8MB

Download
memory/4116-141-0x00007FF6518B0000-0x00007FF652D87000-memory.dmp

Filesize
20.8MB

Download
memory/4116-142-0x00007FF6518B0000-0x00007FF652D87000-memory.dmp

Filesize
20.8MB

Download