0a5d83809a46649f21b8791da4ed28a8c3a533ce9abfb8c25ab5a344e9f56752

General

Target

aqgkoizjhx.dll
Size

10.0MB
MD5

21bbf04c9967ae237b8dc3e432419aa5
SHA1

4bc9e0b66caa6f6ba5c3308e6a6f9cb887e1ff24
SHA256

2f6957a17b9bc161dc74ac1bb60a20e75b1ce9f734baef833fbe6996f159078c
SHA512

5a00b35373bf40647d06e0c26f9a635320a5d4cb7942f2c6bac587bed0cd4ead3f373fe8f2f7c54ff69357154819c227f2e31eac38cac4a0bef1ddcb5d75c0c9

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 10 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1656-56-0x0000000002180000-0x0000000003BDD000-memory.dmp	themida
behavioral1/memory/1656-58-0x0000000002180000-0x0000000003BDD000-memory.dmp	themida
behavioral1/memory/1656-59-0x0000000002180000-0x0000000003BDD000-memory.dmp	themida
behavioral1/memory/1656-60-0x0000000002180000-0x0000000003BDD000-memory.dmp	themida
behavioral1/memory/1656-61-0x0000000002180000-0x0000000003BDD000-memory.dmp	themida
behavioral1/memory/1656-62-0x0000000002180000-0x0000000003BDD000-memory.dmp	themida
behavioral1/memory/1656-63-0x0000000002180000-0x0000000003BDD000-memory.dmp	themida
behavioral1/memory/1656-64-0x0000000002180000-0x0000000003BDD000-memory.dmp	themida
behavioral1/memory/1656-65-0x0000000002180000-0x0000000003BDD000-memory.dmp	themida
behavioral1/memory/1656-66-0x0000000002180000-0x0000000003BDD000-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

1656 rundll32.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1548 1656 WerFault.exe rundll32.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

rundll32.exe

pid process

1656 rundll32.exe

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

pid	process
1656	rundll32.exe

pid	pid_target	process	target process
1548	1656	WerFault.exe	rundll32.exe

pid	process
1656	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 892 wrote to memory of 1656	892	rundll32.exe	rundll32.exe
PID 892 wrote to memory of 1656	892	rundll32.exe	rundll32.exe
PID 892 wrote to memory of 1656	892	rundll32.exe	rundll32.exe
PID 892 wrote to memory of 1656	892	rundll32.exe	rundll32.exe
PID 892 wrote to memory of 1656	892	rundll32.exe	rundll32.exe
PID 892 wrote to memory of 1656	892	rundll32.exe	rundll32.exe
PID 892 wrote to memory of 1656	892	rundll32.exe	rundll32.exe
PID 1656 wrote to memory of 1548	1656	rundll32.exe	WerFault.exe
PID 1656 wrote to memory of 1548	1656	rundll32.exe	WerFault.exe
PID 1656 wrote to memory of 1548	1656	rundll32.exe	WerFault.exe
PID 1656 wrote to memory of 1548	1656	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\aqgkoizjhx.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:892

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\aqgkoizjhx.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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1656 -s 316
3⤵
- Program crash
PID:1548

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

Replay Monitor

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Downloads

memory/1548-67-0x0000000000000000-mapping.dmp

Download
memory/1656-60-0x0000000002180000-0x0000000003BDD000-memory.dmp

Filesize
26.4MB

Download
memory/1656-56-0x0000000002180000-0x0000000003BDD000-memory.dmp

Filesize
26.4MB

Download
memory/1656-57-0x00000000772A0000-0x0000000077420000-memory.dmp

Filesize
1.5MB

Download
memory/1656-58-0x0000000002180000-0x0000000003BDD000-memory.dmp

Filesize
26.4MB

Download
memory/1656-59-0x0000000002180000-0x0000000003BDD000-memory.dmp

Filesize
26.4MB

Download
memory/1656-54-0x0000000000000000-mapping.dmp

Download
memory/1656-61-0x0000000002180000-0x0000000003BDD000-memory.dmp

Filesize
26.4MB

Download
memory/1656-62-0x0000000002180000-0x0000000003BDD000-memory.dmp

Filesize
26.4MB

Download
memory/1656-63-0x0000000002180000-0x0000000003BDD000-memory.dmp

Filesize
26.4MB

Download
memory/1656-64-0x0000000002180000-0x0000000003BDD000-memory.dmp

Filesize
26.4MB

Download
memory/1656-65-0x0000000002180000-0x0000000003BDD000-memory.dmp

Filesize
26.4MB

Download
memory/1656-66-0x0000000002180000-0x0000000003BDD000-memory.dmp

Filesize
26.4MB

Download
memory/1656-55-0x0000000075451000-0x0000000075453000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads