799dbf0b2c7792f3945379c9e7fb4d6e8996e1e5cecdf2b68eef395f8034e651

Analysis

max time kernel
137s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
28/01/2024, 13:10

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General

Target

LDR.exe
Size

10.4MB
MD5

e42925429a22a958683eeeba04ff1e19
SHA1

731eaba39ec46165a15f79fa739af57382f3a842
SHA256

799dbf0b2c7792f3945379c9e7fb4d6e8996e1e5cecdf2b68eef395f8034e651
SHA512

f820545a2b0009ed79c4bf7999ccc1091b7d88e20e0c74c562a467a96f17d20423b4a9f751754f095114784f794e2322bf572e11b082b4d6f444ffd6e6548fd7
SSDEEP

196608:VFeI8pAbyqEyT1WGMF8trjvy41c1QajSJsMEkJPmpm1ljvKX/WWmFtC/0JrtcdR:VFJZbytyxtyccygSyK+m1ljyvTmLWe5e

Score

9^/10

evasion 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__	LDR.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	LDR.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	LDR.exe

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	LDR.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
3952	LDR.exe
3952	LDR.exe
3952	LDR.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3952	LDR.exe
3952	LDR.exe
3952	LDR.exe
3952	LDR.exe
3952	LDR.exe
3952	LDR.exe

C:\Users\Admin\AppData\Local\Temp\LDR.exe
"C:\Users\Admin\AppData\Local\Temp\LDR.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
- Suspicious behavior: EnumeratesProcesses
PID:3952

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

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3952-0-0x0000000140000000-0x0000000141450000-memory.dmp

Filesize
20.3MB

Download
memory/3952-1-0x0000000140000000-0x0000000141450000-memory.dmp

Filesize
20.3MB

Download
memory/3952-2-0x0000000140000000-0x0000000141450000-memory.dmp

Filesize
20.3MB

Download
memory/3952-3-0x0000000140000000-0x0000000141450000-memory.dmp

Filesize
20.3MB

Download
memory/3952-4-0x00007FF948D30000-0x00007FF948F25000-memory.dmp

Filesize
2.0MB

Download
memory/3952-5-0x00007FF948F30000-0x00007FF948F32000-memory.dmp

Filesize
8KB

Download
memory/3952-6-0x0000000140000000-0x0000000141450000-memory.dmp

Filesize
20.3MB

Download
memory/3952-8-0x0000000140000000-0x0000000141450000-memory.dmp

Filesize
20.3MB

Download
memory/3952-7-0x0000000140000000-0x0000000141450000-memory.dmp

Filesize
20.3MB

Download
memory/3952-9-0x0000000140000000-0x0000000141450000-memory.dmp

Filesize
20.3MB

Download
memory/3952-10-0x0000000140000000-0x0000000141450000-memory.dmp

Filesize
20.3MB

Download
memory/3952-11-0x0000000140000000-0x0000000141450000-memory.dmp

Filesize
20.3MB

Download
memory/3952-12-0x0000000140000000-0x0000000141450000-memory.dmp

Filesize
20.3MB

Download
memory/3952-25-0x0000000140000000-0x0000000141450000-memory.dmp

Filesize
20.3MB

Download
memory/3952-26-0x0000000140000000-0x0000000141450000-memory.dmp

Filesize
20.3MB

Download
memory/3952-27-0x00007FF948D30000-0x00007FF948F25000-memory.dmp

Filesize
2.0MB

Download