85e761230c233a73d477215e8d83b449827bca1606e35bd4f0eee5317629f76c

General

Target

85e761230c233a73d477215e8d83b449827bca1606e35bd4f0eee5317629f76c.exe
Size

12.1MB
MD5

e781eb5fe8f6fdc97e99db226dac1b8e
SHA1

f5182043835a793d1ab138b22f2a58175d2c8fea
SHA256

85e761230c233a73d477215e8d83b449827bca1606e35bd4f0eee5317629f76c
SHA512

70117ff79a7aa8dac1620c08c4f605e5c8889ab1f938ce149fd6db560288262f70487bcb3060fcfa1483790f8b2d6aed30c0d48bcf692aa56b8ad666ebf55f18
SSDEEP

393216:I0njALhgQkjMD6l6ROSRxKhry+LsmCt86u4ngkKJ:JALDkgD6lQgh++LxCPTg

Score

9^/10

bootkit discovery evasion persistence 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__	85e761230c233a73d477215e8d83b449827bca1606e35bd4f0eee5317629f76c.exe

Checks BIOS information in registry 2 TTPs 3 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	85e761230c233a73d477215e8d83b449827bca1606e35bd4f0eee5317629f76c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	85e761230c233a73d477215e8d83b449827bca1606e35bd4f0eee5317629f76c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	85e761230c233a73d477215e8d83b449827bca1606e35bd4f0eee5317629f76c.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	85e761230c233a73d477215e8d83b449827bca1606e35bd4f0eee5317629f76c.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

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	85e761230c233a73d477215e8d83b449827bca1606e35bd4f0eee5317629f76c.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1800	85e761230c233a73d477215e8d83b449827bca1606e35bd4f0eee5317629f76c.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	85e761230c233a73d477215e8d83b449827bca1606e35bd4f0eee5317629f76c.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\WOW6432Node\CLSID\{d6537cc1-0622-e08b-434c-b33de635}	85e761230c233a73d477215e8d83b449827bca1606e35bd4f0eee5317629f76c.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\WOW6432Node\CLSID\{d6537cc1-0622-e08b-434c-b33de635}\SortOrderIndex = a9b7450a28de810e4493890d	85e761230c233a73d477215e8d83b449827bca1606e35bd4f0eee5317629f76c.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1800	85e761230c233a73d477215e8d83b449827bca1606e35bd4f0eee5317629f76c.exe
1800	85e761230c233a73d477215e8d83b449827bca1606e35bd4f0eee5317629f76c.exe

C:\Users\Admin\AppData\Local\Temp\85e761230c233a73d477215e8d83b449827bca1606e35bd4f0eee5317629f76c.exe
"C:\Users\Admin\AppData\Local\Temp\85e761230c233a73d477215e8d83b449827bca1606e35bd4f0eee5317629f76c.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:1800

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1800-1-0x0000000076210000-0x0000000076211000-memory.dmp

Filesize
4KB

Download
memory/1800-5-0x00000000761F0000-0x00000000762E0000-memory.dmp

Filesize
960KB

Download
memory/1800-4-0x00000000761F0000-0x00000000762E0000-memory.dmp

Filesize
960KB

Download
memory/1800-6-0x00000000761F0000-0x00000000762E0000-memory.dmp

Filesize
960KB

Download
memory/1800-7-0x00000000761F0000-0x00000000762E0000-memory.dmp

Filesize
960KB

Download
memory/1800-3-0x00000000761F0000-0x00000000762E0000-memory.dmp

Filesize
960KB

Download
memory/1800-2-0x00000000761F0000-0x00000000762E0000-memory.dmp

Filesize
960KB

Download
memory/1800-0-0x0000000000490000-0x0000000001E12000-memory.dmp

Filesize
25.5MB

Download
memory/1800-11-0x0000000000490000-0x0000000001E12000-memory.dmp

Filesize
25.5MB

Download
memory/1800-12-0x00000000761F0000-0x00000000762E0000-memory.dmp

Filesize
960KB

Download
memory/1800-13-0x0000000076210000-0x0000000076211000-memory.dmp

Filesize
4KB

Download
memory/1800-15-0x00000000761F0000-0x00000000762E0000-memory.dmp

Filesize
960KB

Download
memory/1800-16-0x0000000000490000-0x0000000001E12000-memory.dmp

Filesize
25.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads