b33810de1ba7b0383c7d35006a1691a6c27480516d30bf2ec4cdd173171071a3

Analysis

max time kernel
147s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-10-2024 20:07

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General

Target

b33810de1ba7b0383c7d35006a1691a6c27480516d30bf2ec4cdd173171071a3.exe
Size

11.1MB
MD5

604f557a561320764432a9a0feab44c0
SHA1

66f3d11b2a7e5f08152db3090068ea1a5bfa7d65
SHA256

b33810de1ba7b0383c7d35006a1691a6c27480516d30bf2ec4cdd173171071a3
SHA512

7dc426154c1b0ba6116532f6f08a2058480a2d160f1d9f9db38b904161a9d91da7d3908407df0e58751d56629d248b7a9a4ed9e7b0214494233ca37490309f00
SSDEEP

196608:IuhQ3XK2lP2vIW3pThofIdQW1BwZkurErvI9pWjgaAnajMsbSEo2rGN6nzC+dMzr:jhLqP2vdlSnkurEUWjJjIfGGNmytKjxs

Score

9^/10

discovery 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	b33810de1ba7b0383c7d35006a1691a6c27480516d30bf2ec4cdd173171071a3.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	b33810de1ba7b0383c7d35006a1691a6c27480516d30bf2ec4cdd173171071a3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b33810de1ba7b0383c7d35006a1691a6c27480516d30bf2ec4cdd173171071a3.exe

Themida packer 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/1576-0-0x0000000000400000-0x0000000000B78000-memory.dmp	themida
behavioral2/memory/1576-2-0x0000000000400000-0x0000000000B78000-memory.dmp	themida
behavioral2/memory/1576-15-0x0000000000400000-0x0000000000B78000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	b33810de1ba7b0383c7d35006a1691a6c27480516d30bf2ec4cdd173171071a3.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1576	b33810de1ba7b0383c7d35006a1691a6c27480516d30bf2ec4cdd173171071a3.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	b33810de1ba7b0383c7d35006a1691a6c27480516d30bf2ec4cdd173171071a3.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1576	b33810de1ba7b0383c7d35006a1691a6c27480516d30bf2ec4cdd173171071a3.exe
1576	b33810de1ba7b0383c7d35006a1691a6c27480516d30bf2ec4cdd173171071a3.exe

C:\Users\Admin\AppData\Local\Temp\b33810de1ba7b0383c7d35006a1691a6c27480516d30bf2ec4cdd173171071a3.exe
"C:\Users\Admin\AppData\Local\Temp\b33810de1ba7b0383c7d35006a1691a6c27480516d30bf2ec4cdd173171071a3.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1576

Network

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1576-0-0x0000000000400000-0x0000000000B78000-memory.dmp

Filesize
7.5MB

Download
memory/1576-1-0x0000000077AA4000-0x0000000077AA6000-memory.dmp

Filesize
8KB

Download
memory/1576-2-0x0000000000400000-0x0000000000B78000-memory.dmp

Filesize
7.5MB

Download
memory/1576-15-0x0000000000400000-0x0000000000B78000-memory.dmp

Filesize
7.5MB

Download