ebeb57452612627c9dc6c17a600b344449d763b343bf51f2be2b7f4a1dd5b2b1

Analysis

max time kernel
92s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
15-04-2024 09:23

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General

Target

tmp.exe
Size

3.1MB
MD5

830e6ad0276a69d53ae9474b938467d2
SHA1

9fccd1be2de986b7d2f18f31bd56ef7991a9ff4f
SHA256

ebeb57452612627c9dc6c17a600b344449d763b343bf51f2be2b7f4a1dd5b2b1
SHA512

1173e7e5a597a54e1e86a2ff5a88a5076c87743cca86ea7b432ca4781a222fae98d63fb1687c38184141e34c462b6e2b9fcc231b246e245e1191e91beeb58955
SSDEEP

49152:GIvsqqWsLrhL9opNIr8KdSSuwQkBxAsJ34cLc5dAdNMsEahryAdaaO8Sk4DXovJt:3vsqeNaULAwQkLf31MpahryGX14Tst

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__	tmp.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	tmp.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	tmp.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/1664-0-0x00007FF7933E0000-0x00007FF793C84000-memory.dmp	themida
behavioral2/memory/1664-2-0x00007FF7933E0000-0x00007FF793C84000-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	tmp.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1664	tmp.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1664	tmp.exe
1664	tmp.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.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:1664

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

Replay Monitor

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Downloads

memory/1664-0-0x00007FF7933E0000-0x00007FF793C84000-memory.dmp

Filesize
8.6MB

Download
memory/1664-1-0x00007FFE3A210000-0x00007FFE3A405000-memory.dmp

Filesize
2.0MB

Download
memory/1664-2-0x00007FF7933E0000-0x00007FF793C84000-memory.dmp

Filesize
8.6MB

Download
memory/1664-3-0x00007FFE3A210000-0x00007FFE3A405000-memory.dmp

Filesize
2.0MB

Download