92375481f3bbd1087b7052a928c1dfd054a912787fd68c4871a87bf5e5c7a06c

Analysis

max time kernel
141s
max time network
123s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
07-03-2024 18:53

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General

Target

file.exe
Size

2.6MB
MD5

25878d05da17b12a6a881c9eee286ecf
SHA1

718bd9780867fc65ae9a5edb72dfa521032857f9
SHA256

92375481f3bbd1087b7052a928c1dfd054a912787fd68c4871a87bf5e5c7a06c
SHA512

5552df151c435381851fb165611236490720028555e4ddb7f97ae53c221a0540cf0b94679e5e522604b897bf4dea27345be992820b7add432d20d9532dae9124
SSDEEP

49152:7hw1/O9xNvzr8Y+F3ByAMlcqOAeCMYVpnCcU563uiSiwK:NwExNvv8Y+pBVMiqOAeCvVpCcUs3BLwK

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 8 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2356-0-0x0000000000990000-0x000000000101C000-memory.dmp	themida
behavioral1/memory/2356-2-0x0000000000990000-0x000000000101C000-memory.dmp	themida
behavioral1/memory/2356-3-0x0000000000990000-0x000000000101C000-memory.dmp	themida
behavioral1/memory/2356-4-0x0000000000990000-0x000000000101C000-memory.dmp	themida
behavioral1/memory/2356-5-0x0000000000990000-0x000000000101C000-memory.dmp	themida
behavioral1/memory/2356-6-0x0000000000990000-0x000000000101C000-memory.dmp	themida
behavioral1/memory/2356-7-0x0000000000990000-0x000000000101C000-memory.dmp	themida
behavioral1/memory/2356-9-0x0000000000990000-0x000000000101C000-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
2356	file.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2492	2356	WerFault.exe	27

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 2492	2356	file.exe	28
PID 2356 wrote to memory of 2492	2356	file.exe	28
PID 2356 wrote to memory of 2492	2356	file.exe	28
PID 2356 wrote to memory of 2492	2356	file.exe	28

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 use of WriteProcessMemory
PID:2356
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 164
  2⤵
  - Program crash
  PID:2492

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

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2356-0-0x0000000000990000-0x000000000101C000-memory.dmp

Filesize
6.5MB

Download
memory/2356-1-0x0000000077980000-0x0000000077982000-memory.dmp

Filesize
8KB

Download
memory/2356-2-0x0000000000990000-0x000000000101C000-memory.dmp

Filesize
6.5MB

Download
memory/2356-3-0x0000000000990000-0x000000000101C000-memory.dmp

Filesize
6.5MB

Download
memory/2356-4-0x0000000000990000-0x000000000101C000-memory.dmp

Filesize
6.5MB

Download
memory/2356-5-0x0000000000990000-0x000000000101C000-memory.dmp

Filesize
6.5MB

Download
memory/2356-6-0x0000000000990000-0x000000000101C000-memory.dmp

Filesize
6.5MB

Download
memory/2356-7-0x0000000000990000-0x000000000101C000-memory.dmp

Filesize
6.5MB

Download
memory/2356-8-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2356-9-0x0000000000990000-0x000000000101C000-memory.dmp

Filesize
6.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads