9a5b80ec90fce963f8cbb88f1c3154785c82648dff9721362798bba816aeb287

Analysis

max time kernel
148s
max time network
114s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/07/2026, 12:14

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
entry_1_0/Comtls64.dll
Size 3.0MB
Sample260710-peg81sbs7q
SHA256 9a5b80ec90fce963f8cbb88f1c3154785c82648dff9721362798bba816aeb287
MD5 1f0c0810ba17e101d531c1a10d25b631
SHA1 7c77a59039cb21d072b66570c0b35606039508fc
SHA512 f0bca0d6a23adc91d606f510be31a5a972767dd999b905169cf326e2927ce49118338b8a943bafeeb0794992b742be242ca47ad416ff72c9a910d102819a08da
SSDEEP 98304:agptypgPpOWh3UmNDW9Mg9m1ADCJkJjEogS:bptxB7h3UmNDW9JyAeyjEogS
TLSH
T1B4E533B176C1B9D1E60A24BBF04774A3E67B1BF44FD898ED301F60E12602759825B74B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

defense_evasion discovery themida trojan

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

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

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

resource	yara_rule
behavioral2/memory/3540-0-0x0000000010000000-0x0000000010794000-memory.dmp	themida
behavioral2/memory/3540-1-0x0000000010000000-0x0000000010794000-memory.dmp	themida
behavioral2/memory/3540-2-0x0000000010000000-0x0000000010794000-memory.dmp	themida

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3540	rundll32.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

defense_evasion trojan

System Information Discovery

T1082

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

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3540	rundll32.exe
3540	rundll32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5160 wrote to memory of 3540	5160	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\entry_1_0\Comtls64.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5160
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\entry_1_0\Comtls64.dll,#1
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:3540

Network

MITRE ATT&CK Enterprise v16

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3540-0-0x0000000010000000-0x0000000010794000-memory.dmp

Download

memory/3540-1-0x0000000010000000-0x0000000010794000-memory.dmp

Download

memory/3540-2-0x0000000010000000-0x0000000010794000-memory.dmp

Download