421f271ad2fe37b2c473b349a53d2cae63d7fcdf81a992d13d74b5e82bd0a0fa

Analysis

max time kernel
193s
max time network
208s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2023 19:38

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

389410755c92f44709da62f5a562bc99.exe
Size

800KB
MD5

389410755c92f44709da62f5a562bc99
SHA1

be8b0117d0d15ccf9363ca749f84ae88b3ef40bc
SHA256

421f271ad2fe37b2c473b349a53d2cae63d7fcdf81a992d13d74b5e82bd0a0fa
SHA512

804c12f11abfa22310ed87f2392bab896463e743a5e6824449012e944feee8d384023c3532daac8406ecbe5c0b9c8d40248557424013e5730e436cb8a53d2de3
SSDEEP

24576:EoDDhviKtGJBpOIvW9mN9iNkOnzbCyLHy+:EoABMmN9i01+

Score

7^/10

evasion themida

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 1 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	389410755c92f44709da62f5a562bc99.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Wine	389410755c92f44709da62f5a562bc99.exe

Themida packer 6 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/2664-0-0x0000000000400000-0x00000000004CB000-memory.dmp	themida
behavioral2/memory/2664-1-0x0000000000400000-0x00000000004CB000-memory.dmp	themida
behavioral2/memory/2664-4-0x0000000000400000-0x00000000004CB000-memory.dmp	themida
behavioral2/memory/2664-5-0x0000000000400000-0x00000000004CB000-memory.dmp	themida
behavioral2/memory/2664-6-0x0000000000400000-0x00000000004CB000-memory.dmp	themida
behavioral2/memory/2664-12-0x0000000000400000-0x00000000004CB000-memory.dmp	themida

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2664	389410755c92f44709da62f5a562bc99.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2664	389410755c92f44709da62f5a562bc99.exe
2664	389410755c92f44709da62f5a562bc99.exe
2664	389410755c92f44709da62f5a562bc99.exe
2664	389410755c92f44709da62f5a562bc99.exe
2664	389410755c92f44709da62f5a562bc99.exe
2664	389410755c92f44709da62f5a562bc99.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 3464	2664	389410755c92f44709da62f5a562bc99.exe	54
PID 2664 wrote to memory of 3464	2664	389410755c92f44709da62f5a562bc99.exe	54
PID 2664 wrote to memory of 3464	2664	389410755c92f44709da62f5a562bc99.exe	54
PID 2664 wrote to memory of 3464	2664	389410755c92f44709da62f5a562bc99.exe	54

C:\Users\Admin\AppData\Local\Temp\389410755c92f44709da62f5a562bc99.exe
"C:\Users\Admin\AppData\Local\Temp\389410755c92f44709da62f5a562bc99.exe"
1⤵
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2664

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3464

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

Loading Replay Monitor...

Downloads

memory/2664-0-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2664-1-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2664-2-0x00000000045B0000-0x00000000045B2000-memory.dmp

Filesize
8KB

Download
memory/2664-3-0x00000000045A0000-0x00000000045A1000-memory.dmp

Filesize
4KB

Download
memory/2664-4-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2664-5-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2664-6-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2664-7-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/2664-12-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2664-13-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/3464-8-0x000000007FFF0000-0x000000007FFF7000-memory.dmp

Filesize
28KB

Download
memory/3464-9-0x000000007FFD0000-0x000000007FFD1000-memory.dmp

Filesize
4KB

Download