271bc2dfb7daef502660cb1534b0b7e5eb70bd51b6ac921b96e67590aa5ea4d4

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2024 20:23

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General

Target

271bc2dfb7daef502660cb1534b0b7e5eb70bd51b6ac921b96e67590aa5ea4d4.exe
Size

11.8MB
MD5

36a1213d7bcbecd7fa3f0a8d2cb78ea6
SHA1

b4e8adbbcc0e87e9c67808da15377ae815da4555
SHA256

271bc2dfb7daef502660cb1534b0b7e5eb70bd51b6ac921b96e67590aa5ea4d4
SHA512

2f0cb26deda2493dcf21f31f2a5c505a21a795d042ee0a00c6ec3a9f71563d9063f780404bbcc2923e18141a4f22e28a076cbe634547b68e050cc6591074f1de
SSDEEP

196608:IZd4Oi4KCYkggWf2rbhUkpJzLxA7MarjMO3SNrP5ifoh2sedpCIOp8+:IZYqYkbfn2krxBkq5ifYwHT+

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__	271bc2dfb7daef502660cb1534b0b7e5eb70bd51b6ac921b96e67590aa5ea4d4.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	271bc2dfb7daef502660cb1534b0b7e5eb70bd51b6ac921b96e67590aa5ea4d4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	271bc2dfb7daef502660cb1534b0b7e5eb70bd51b6ac921b96e67590aa5ea4d4.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/688-11-0x00000000000F0000-0x00000000026D4000-memory.dmp	themida
behavioral2/memory/688-22-0x00000000000F0000-0x00000000026D4000-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	271bc2dfb7daef502660cb1534b0b7e5eb70bd51b6ac921b96e67590aa5ea4d4.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
688	271bc2dfb7daef502660cb1534b0b7e5eb70bd51b6ac921b96e67590aa5ea4d4.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	271bc2dfb7daef502660cb1534b0b7e5eb70bd51b6ac921b96e67590aa5ea4d4.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
688	271bc2dfb7daef502660cb1534b0b7e5eb70bd51b6ac921b96e67590aa5ea4d4.exe
688	271bc2dfb7daef502660cb1534b0b7e5eb70bd51b6ac921b96e67590aa5ea4d4.exe

C:\Users\Admin\AppData\Local\Temp\271bc2dfb7daef502660cb1534b0b7e5eb70bd51b6ac921b96e67590aa5ea4d4.exe
"C:\Users\Admin\AppData\Local\Temp\271bc2dfb7daef502660cb1534b0b7e5eb70bd51b6ac921b96e67590aa5ea4d4.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:688

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/688-1-0x0000000075EA0000-0x0000000075EA1000-memory.dmp

Filesize
4KB

Download
memory/688-0-0x00000000000F0000-0x00000000026D4000-memory.dmp

Filesize
37.9MB

Download
memory/688-3-0x0000000075E80000-0x0000000075F70000-memory.dmp

Filesize
960KB

Download
memory/688-2-0x0000000075E80000-0x0000000075F70000-memory.dmp

Filesize
960KB

Download
memory/688-5-0x0000000075E80000-0x0000000075F70000-memory.dmp

Filesize
960KB

Download
memory/688-4-0x0000000075E80000-0x0000000075F70000-memory.dmp

Filesize
960KB

Download
memory/688-7-0x0000000075E80000-0x0000000075F70000-memory.dmp

Filesize
960KB

Download
memory/688-6-0x0000000075E80000-0x0000000075F70000-memory.dmp

Filesize
960KB

Download
memory/688-8-0x0000000075E80000-0x0000000075F70000-memory.dmp

Filesize
960KB

Download
memory/688-11-0x00000000000F0000-0x00000000026D4000-memory.dmp

Filesize
37.9MB

Download
memory/688-12-0x0000000007880000-0x0000000007E24000-memory.dmp

Filesize
5.6MB

Download
memory/688-14-0x0000000010000000-0x0000000010134000-memory.dmp

Filesize
1.2MB

Download
memory/688-15-0x0000000007220000-0x00000000072B2000-memory.dmp

Filesize
584KB

Download
memory/688-17-0x00000000071B0000-0x00000000071D6000-memory.dmp

Filesize
152KB

Download
memory/688-21-0x0000000075E80000-0x0000000075F70000-memory.dmp

Filesize
960KB

Download
memory/688-22-0x00000000000F0000-0x00000000026D4000-memory.dmp

Filesize
37.9MB

Download