b6fbd300520e46f761b778cfc7595b43db385c79a1d7e4c4ce40e782f78a1c01

Analysis

max time kernel
141s
max time network
125s
platform
windows7_x64
resource
win7-20231025-en
resource tags

arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-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 11 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral13/memory/2440-0-0x000000013F610000-0x000000013FF7B000-memory.dmp	themida
behavioral13/memory/2440-1-0x000000013F610000-0x000000013FF7B000-memory.dmp	themida
behavioral13/memory/2440-2-0x000000013F610000-0x000000013FF7B000-memory.dmp	themida
behavioral13/memory/2440-3-0x000000013F610000-0x000000013FF7B000-memory.dmp	themida
behavioral13/memory/2440-4-0x000000013F610000-0x000000013FF7B000-memory.dmp	themida
behavioral13/memory/2440-5-0x000000013F610000-0x000000013FF7B000-memory.dmp	themida
behavioral13/memory/2440-6-0x000000013F610000-0x000000013FF7B000-memory.dmp	themida
behavioral13/memory/2440-7-0x000000013F610000-0x000000013FF7B000-memory.dmp	themida
behavioral13/memory/2440-8-0x000000013F610000-0x000000013FF7B000-memory.dmp	themida
behavioral13/memory/2440-9-0x000000013F610000-0x000000013FF7B000-memory.dmp	themida
behavioral13/memory/2440-10-0x000000013F610000-0x000000013FF7B000-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
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

提交材料.exe

pid process

2440 提交材料.exe
2440 提交材料.exe
2440 提交材料.exe
2440 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

pid	process
2440	提交材料.exe
2440	提交材料.exe
2440	提交材料.exe
2440	提交材料.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

提交材料.exe

description	pid	process	target process
PID 2440 wrote to memory of 2836	2440	提交材料.exe	WerFault.exe
PID 2440 wrote to memory of 2836	2440	提交材料.exe	WerFault.exe
PID 2440 wrote to memory of 2836	2440	提交材料.exe	WerFault.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
- Suspicious use of WriteProcessMemory
PID:2440

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2440 -s 120
2⤵
PID:2836

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/2440-0-0x000000013F610000-0x000000013FF7B000-memory.dmp

Filesize
9.4MB

Download
memory/2440-1-0x000000013F610000-0x000000013FF7B000-memory.dmp

Filesize
9.4MB

Download
memory/2440-2-0x000000013F610000-0x000000013FF7B000-memory.dmp

Filesize
9.4MB

Download
memory/2440-3-0x000000013F610000-0x000000013FF7B000-memory.dmp

Filesize
9.4MB

Download
memory/2440-4-0x000000013F610000-0x000000013FF7B000-memory.dmp

Filesize
9.4MB

Download
memory/2440-5-0x000000013F610000-0x000000013FF7B000-memory.dmp

Filesize
9.4MB

Download
memory/2440-6-0x000000013F610000-0x000000013FF7B000-memory.dmp

Filesize
9.4MB

Download
memory/2440-7-0x000000013F610000-0x000000013FF7B000-memory.dmp

Filesize
9.4MB

Download
memory/2440-8-0x000000013F610000-0x000000013FF7B000-memory.dmp

Filesize
9.4MB

Download
memory/2440-9-0x000000013F610000-0x000000013FF7B000-memory.dmp

Filesize
9.4MB

Download
memory/2440-10-0x000000013F610000-0x000000013FF7B000-memory.dmp

Filesize
9.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads