88418205ad303c208f27e1efeef81032ce7373d0d005cdbe4d890d7351b5674c

Analysis

max time kernel
24s
max time network
17s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
01-05-2024 00:51

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

hacked client (rats) LMAO/kura.exe
Size

3.3MB
MD5

208a92b2100ef3dc268b709e7a9aa3e2
SHA1

2825a5777445dd584289fe35e41c836f8743dbcb
SHA256

5e8394b44ba1373b36214d09b16a43ada6d001e55509de72c1f85928481422b0
SHA512

fa64f5ab44d63ee3963dfbc4c49f089fb9395c55a4847096c7791935876bfdb91af6653dc27db6a012cfba02ef97b7e5ac278a5145f1ad3b80fa735f1d86699a
SSDEEP

98304:UXoNdtf6+hovlWtuCZM8vNdvj1mJcEep/gG:UQL/mvHcMo9EeyG

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:

kura.exe

description ioc process

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

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

kura.exe

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

Themida packer 6 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral10/memory/4988-0-0x00007FF622770000-0x00007FF623074000-memory.dmp	themida
behavioral10/memory/4988-3-0x00007FF622770000-0x00007FF623074000-memory.dmp	themida
behavioral10/memory/4988-2-0x00007FF622770000-0x00007FF623074000-memory.dmp	themida
behavioral10/memory/4988-5-0x00007FF622770000-0x00007FF623074000-memory.dmp	themida
behavioral10/memory/4988-4-0x00007FF622770000-0x00007FF623074000-memory.dmp	themida
behavioral10/memory/4988-6-0x00007FF622770000-0x00007FF623074000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

kura.exe

description ioc process

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

Processes:

kura.exe

pid process

4988 kura.exe
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

kura.exe

description pid process target process

PID 4988 wrote to memory of 4600 4988 kura.exe cmd.exe
PID 4988 wrote to memory of 4600 4988 kura.exe cmd.exe

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

pid	process
4988	kura.exe

description	pid	process	target process
PID 4988 wrote to memory of 4600	4988	kura.exe	cmd.exe
PID 4988 wrote to memory of 4600	4988	kura.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\hacked client (rats) LMAO\kura.exe
"C:\Users\Admin\AppData\Local\Temp\hacked client (rats) LMAO\kura.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:4988

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c cls
2⤵
PID:4600

MITRE ATT&CK Matrix ATT&CK v13

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

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4988-0-0x00007FF622770000-0x00007FF623074000-memory.dmp

Filesize
9.0MB

Download
memory/4988-1-0x00007FF90EED0000-0x00007FF90F0AB000-memory.dmp

Filesize
1.9MB

Download
memory/4988-3-0x00007FF622770000-0x00007FF623074000-memory.dmp

Filesize
9.0MB

Download
memory/4988-2-0x00007FF622770000-0x00007FF623074000-memory.dmp

Filesize
9.0MB

Download
memory/4988-5-0x00007FF622770000-0x00007FF623074000-memory.dmp

Filesize
9.0MB

Download
memory/4988-4-0x00007FF622770000-0x00007FF623074000-memory.dmp

Filesize
9.0MB

Download
memory/4988-6-0x00007FF622770000-0x00007FF623074000-memory.dmp

Filesize
9.0MB

Download
memory/4988-8-0x00007FF90EED0000-0x00007FF90F0AB000-memory.dmp

Filesize
1.9MB

Download