9473d94f8df4d5fe768806c210551ee4258679e38cd9fc41b7f32391d292cfa5

Analysis

max time kernel
141s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 04:40

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General

Target

9473d94f8df4d5fe768806c210551ee4258679e38cd9fc41b7f32391d292cfa5.dll
Size

4.7MB
MD5

16a966d7e9c501e7362e8ad00cf9af38
SHA1

5f0c79689d744e4df1be7cf0b4d55dfcd7a1ce39
SHA256

9473d94f8df4d5fe768806c210551ee4258679e38cd9fc41b7f32391d292cfa5
SHA512

af44af77a4526badf9a2a05c78c4524efc680da6ed768660775cee76be0a76fa6c8ba1259fc84448d182e355538ea8837090b13a9740c27b1c35400b3bab4482
SSDEEP

98304:rjxA1JXK/A9wea6DCYM56xJe6j1Uf5VDK60cttG8NfIG8:KzXygpr+YM56re6jOfI24qfL8

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:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	rundll32.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:

rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	rundll32.exe

Themida packer 9 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/2144-0-0x0000000074820000-0x000000007547F000-memory.dmp	themida
behavioral2/memory/2144-2-0x0000000074820000-0x000000007547F000-memory.dmp	themida
behavioral2/memory/2144-3-0x0000000074820000-0x000000007547F000-memory.dmp	themida
behavioral2/memory/2144-4-0x0000000074820000-0x000000007547F000-memory.dmp	themida
behavioral2/memory/2144-5-0x0000000074820000-0x000000007547F000-memory.dmp	themida
behavioral2/memory/2144-7-0x0000000074820000-0x000000007547F000-memory.dmp	themida
behavioral2/memory/2144-9-0x0000000074820000-0x000000007547F000-memory.dmp	themida
behavioral2/memory/2144-8-0x0000000074820000-0x000000007547F000-memory.dmp	themida
behavioral2/memory/2144-6-0x0000000074820000-0x000000007547F000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

rundll32.exe

pid process

2144 rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

pid	process
2144	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1804 wrote to memory of 2144	1804	rundll32.exe	rundll32.exe
PID 1804 wrote to memory of 2144	1804	rundll32.exe	rundll32.exe
PID 1804 wrote to memory of 2144	1804	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9473d94f8df4d5fe768806c210551ee4258679e38cd9fc41b7f32391d292cfa5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1804

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9473d94f8df4d5fe768806c210551ee4258679e38cd9fc41b7f32391d292cfa5.dll,#1
2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:2144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2144 -ip 2144
1⤵
PID:1548

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3688 --field-trial-handle=2900,i,14549994492153927475,12895178890800740987,262144 --variations-seed-version /prefetch:8
1⤵
PID:4704

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/2144-0-0x0000000074820000-0x000000007547F000-memory.dmp

Filesize
12.4MB

Download
memory/2144-1-0x0000000077A14000-0x0000000077A16000-memory.dmp

Filesize
8KB

Download
memory/2144-2-0x0000000074820000-0x000000007547F000-memory.dmp

Filesize
12.4MB

Download
memory/2144-3-0x0000000074820000-0x000000007547F000-memory.dmp

Filesize
12.4MB

Download
memory/2144-4-0x0000000074820000-0x000000007547F000-memory.dmp

Filesize
12.4MB

Download
memory/2144-5-0x0000000074820000-0x000000007547F000-memory.dmp

Filesize
12.4MB

Download
memory/2144-7-0x0000000074820000-0x000000007547F000-memory.dmp

Filesize
12.4MB

Download
memory/2144-9-0x0000000074820000-0x000000007547F000-memory.dmp

Filesize
12.4MB

Download
memory/2144-8-0x0000000074820000-0x000000007547F000-memory.dmp

Filesize
12.4MB

Download
memory/2144-6-0x0000000074820000-0x000000007547F000-memory.dmp

Filesize
12.4MB

Download