b6fbd300520e46f761b778cfc7595b43db385c79a1d7e4c4ce40e782f78a1c01

Analysis

max time kernel
144s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
16-11-2023 07:41

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General

Target

提交材料.exe
Size

3.8MB
MD5

aacf37fe5bddbad79fe940b129e4ab20
SHA1

fa3b2b05bbf9fe0f076de647ee1b4d4c49e06c59
SHA256

fa84c2b8cd4846e1c224d7dfb26e3737393b5fe13738b8d725d9b3815f9b0be1
SHA512

28f69ea85c4fbf0e98b60db5c17d1bca1c152d75e63c676e0deb4dceb244d95cad5bdf9a407c6638b4e42eaf90ca565521892fcf196265a375693a681d416a87
SSDEEP

98304:GgqM4j53BslobUytMfeUUzeeQY+ySOs0q4R:GQo3BXbUSXzdQC0c

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:

提交材料.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 提交材料.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	提交材料.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:

提交材料.exe

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

Themida packer 10 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral14/memory/1520-0-0x00007FF6F5880000-0x00007FF6F61EB000-memory.dmp	themida
behavioral14/memory/1520-1-0x00007FF6F5880000-0x00007FF6F61EB000-memory.dmp	themida
behavioral14/memory/1520-2-0x00007FF6F5880000-0x00007FF6F61EB000-memory.dmp	themida
behavioral14/memory/1520-3-0x00007FF6F5880000-0x00007FF6F61EB000-memory.dmp	themida
behavioral14/memory/1520-4-0x00007FF6F5880000-0x00007FF6F61EB000-memory.dmp	themida
behavioral14/memory/1520-5-0x00007FF6F5880000-0x00007FF6F61EB000-memory.dmp	themida
behavioral14/memory/1520-6-0x00007FF6F5880000-0x00007FF6F61EB000-memory.dmp	themida
behavioral14/memory/1520-7-0x00007FF6F5880000-0x00007FF6F61EB000-memory.dmp	themida
behavioral14/memory/1520-8-0x00007FF6F5880000-0x00007FF6F61EB000-memory.dmp	themida
behavioral14/memory/1520-9-0x00007FF6F5880000-0x00007FF6F61EB000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

提交材料.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 提交材料.exe

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

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

提交材料.exe

pid	process
1520	提交材料.exe
1520	提交材料.exe
1520	提交材料.exe
1520	提交材料.exe
1520	提交材料.exe
1520	提交材料.exe
1520	提交材料.exe
1520	提交材料.exe

C:\Users\Admin\AppData\Local\Temp\提交材料.exe
"C:\Users\Admin\AppData\Local\Temp\提交材料.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:1520

Network

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

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Downloads

memory/1520-0-0x00007FF6F5880000-0x00007FF6F61EB000-memory.dmp

Filesize
9.4MB

Download
memory/1520-1-0x00007FF6F5880000-0x00007FF6F61EB000-memory.dmp

Filesize
9.4MB

Download
memory/1520-2-0x00007FF6F5880000-0x00007FF6F61EB000-memory.dmp

Filesize
9.4MB

Download
memory/1520-3-0x00007FF6F5880000-0x00007FF6F61EB000-memory.dmp

Filesize
9.4MB

Download
memory/1520-4-0x00007FF6F5880000-0x00007FF6F61EB000-memory.dmp

Filesize
9.4MB

Download
memory/1520-5-0x00007FF6F5880000-0x00007FF6F61EB000-memory.dmp

Filesize
9.4MB

Download
memory/1520-6-0x00007FF6F5880000-0x00007FF6F61EB000-memory.dmp

Filesize
9.4MB

Download
memory/1520-7-0x00007FF6F5880000-0x00007FF6F61EB000-memory.dmp

Filesize
9.4MB

Download
memory/1520-8-0x00007FF6F5880000-0x00007FF6F61EB000-memory.dmp

Filesize
9.4MB

Download
memory/1520-9-0x00007FF6F5880000-0x00007FF6F61EB000-memory.dmp

Filesize
9.4MB

Download