87ee5870a5c7a37b2a0b77e3394f02ff7563f7e7c0ed1a42c6b1bb5ea5e04d59

General

Target

Ls_Droid_v1.1.9.0.exe
Size

18.9MB
MD5

a1459b6cd648d10da05707b69166d2f6
SHA1

e931f9543b81855cfb5f062fbf7f3328510392d1
SHA256

87ee5870a5c7a37b2a0b77e3394f02ff7563f7e7c0ed1a42c6b1bb5ea5e04d59
SHA512

c0e3b7890a046d9e71d0304f221afa37d2546d10ef9556f4c94b3d302adf56adb569d069797380c5e08ba8ffc0d26da600aa34f6aaf450f6196d19af6bc81e56

Score

9^/10

bootkit evasion persistence trojan

Malware Config

Signatures

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

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

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:

Ls_Droid_v1.1.9.0.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Ls_Droid_v1.1.9.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Ls_Droid_v1.1.9.0.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Ls_Droid_v1.1.9.0.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Ls_Droid_v1.1.9.0.exe
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1067

Processes:

Ls_Droid_v1.1.9.0.exe

description ioc process

File opened for modification \??\PhysicalDrive0 Ls_Droid_v1.1.9.0.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

Ls_Droid_v1.1.9.0.exe

pid process

748 Ls_Droid_v1.1.9.0.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

896 748 WerFault.exe Ls_Droid_v1.1.9.0.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Ls_Droid_v1.1.9.0.exe

description pid process

Token: SeDebugPrivilege 748 Ls_Droid_v1.1.9.0.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Ls_Droid_v1.1.9.0.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	Ls_Droid_v1.1.9.0.exe

pid	process
748	Ls_Droid_v1.1.9.0.exe

pid	pid_target	process	target process
896	748	WerFault.exe	Ls_Droid_v1.1.9.0.exe

description	pid	process
Token: SeDebugPrivilege	748	Ls_Droid_v1.1.9.0.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

Ls_Droid_v1.1.9.0.exe

description	pid	process	target process
PID 748 wrote to memory of 896	748	Ls_Droid_v1.1.9.0.exe	WerFault.exe
PID 748 wrote to memory of 896	748	Ls_Droid_v1.1.9.0.exe	WerFault.exe
PID 748 wrote to memory of 896	748	Ls_Droid_v1.1.9.0.exe	WerFault.exe
PID 748 wrote to memory of 896	748	Ls_Droid_v1.1.9.0.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\Ls_Droid_v1.1.9.0.exe
"C:\Users\Admin\AppData\Local\Temp\Ls_Droid_v1.1.9.0.exe"
1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 748 -s 1488
2⤵
- Program crash
PID:896

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Bootkit

1

T1067

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/748-54-0x0000000076811000-0x0000000076813000-memory.dmp

Filesize
8KB

Download
memory/748-55-0x0000000077860000-0x00000000779E0000-memory.dmp

Filesize
1.5MB

Download
memory/748-59-0x0000000000250000-0x000000000344C000-memory.dmp

Filesize
50.0MB

Download
memory/748-60-0x0000000000250000-0x000000000344C000-memory.dmp

Filesize
50.0MB

Download
memory/748-61-0x000000000B845000-0x000000000B856000-memory.dmp

Filesize
68KB

Download
memory/896-62-0x0000000000000000-mapping.dmp

Download

Analysis

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