964c0163ba31f0c703efc7d449a6a51c569624f540bef6df11cf6d1215b828fa

General

Target

akbniwuioi.dll
Size

14.8MB
MD5

3115421f75bd8bd9040584df66224088
SHA1

d8c766ff795a9debdc63a29a8b31374d97b5ab21
SHA256

964c0163ba31f0c703efc7d449a6a51c569624f540bef6df11cf6d1215b828fa
SHA512

65e14c372ac2158e94e808bc098f7195dbe1d6e8f0e7813708841d0999a2ca901448dc037f0779007efb6a153fb42065dd3a1151fa6afe573bbe91df188fb05a

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 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/64-132-0x0000000002950000-0x0000000003F79000-memory.dmp	themida
behavioral2/memory/64-133-0x0000000002950000-0x0000000003F79000-memory.dmp	themida
behavioral2/memory/64-134-0x0000000002950000-0x0000000003F79000-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

64 rundll32.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4792 64 WerFault.exe rundll32.exe

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

pid	process
64	rundll32.exe

pid	pid_target	process	target process
4792	64	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1464 wrote to memory of 64	1464	rundll32.exe	rundll32.exe
PID 1464 wrote to memory of 64	1464	rundll32.exe	rundll32.exe
PID 1464 wrote to memory of 64	1464	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\akbniwuioi.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1464

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\akbniwuioi.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:64

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 64 -s 784
3⤵
- Program crash
PID:4792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 64 -ip 64
1⤵
PID:2708

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/64-130-0x0000000000000000-mapping.dmp

Download
memory/64-131-0x0000000076F50000-0x00000000770F3000-memory.dmp

Filesize
1.6MB

Download
memory/64-132-0x0000000002950000-0x0000000003F79000-memory.dmp

Filesize
22.2MB

Download
memory/64-133-0x0000000002950000-0x0000000003F79000-memory.dmp

Filesize
22.2MB

Download
memory/64-134-0x0000000002950000-0x0000000003F79000-memory.dmp

Filesize
22.2MB

Download
memory/64-135-0x0000000076F50000-0x00000000770F3000-memory.dmp

Filesize
1.6MB

Download
memory/64-136-0x0000000076F50000-0x00000000770F3000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads