3d3401c3aea61905a7d1bf31b25f7c1910e1fd00aef7e07e253a21c216ffac7a

Analysis

max time kernel
138s
max time network
153s
platform
windows7_x64
resource
win7-20220414-en
submitted
26-06-2022 18:24

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General

Target

File.exe
Size

3.6MB
MD5

b90ef112633b9fd8699ca1939991f2c1
SHA1

8789bc4406d047c4fee84f74b64352f3c6eb2274
SHA256

3d3401c3aea61905a7d1bf31b25f7c1910e1fd00aef7e07e253a21c216ffac7a
SHA512

ab0415230607e27d2017d21d65678a1bb0c399da52dc9b64c7126e10a497ae4dad645673592c2e4ef9c01473f005e3b521e874ee26c52950f35462b2d4bd53d8

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__	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

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 5 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/1960-56-0x0000000000F60000-0x000000000134B000-memory.dmp	themida
behavioral1/memory/1960-55-0x0000000000F60000-0x000000000134B000-memory.dmp	themida
behavioral1/memory/1960-57-0x0000000000F60000-0x000000000134B000-memory.dmp	themida
behavioral1/memory/1960-59-0x0000000000F60000-0x000000000134B000-memory.dmp	themida
behavioral1/memory/1960-61-0x0000000000F60000-0x000000000134B000-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	File.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1960	File.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1960	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:1960

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/1960-54-0x0000000075DE1000-0x0000000075DE3000-memory.dmp

Filesize
8KB

Download
memory/1960-56-0x0000000000F60000-0x000000000134B000-memory.dmp

Filesize
3.9MB

Download
memory/1960-55-0x0000000000F60000-0x000000000134B000-memory.dmp

Filesize
3.9MB

Download
memory/1960-57-0x0000000000F60000-0x000000000134B000-memory.dmp

Filesize
3.9MB

Download
memory/1960-59-0x0000000000F60000-0x000000000134B000-memory.dmp

Filesize
3.9MB

Download
memory/1960-60-0x0000000077240000-0x00000000773C0000-memory.dmp

Filesize
1.5MB

Download
memory/1960-61-0x0000000000F60000-0x000000000134B000-memory.dmp

Filesize
3.9MB

Download