98c4ede3a11f799ed2b5c1aa7d781b1262243d72be4397e3f4da08ad17a0a8da

General

Target

98c4ede3a11f799ed2b5c1aa7d781b1262243d72be4397e3f4da08ad17a0a8da.exe
Size

4.1MB
MD5

3adb613faf783e07c2f2e2a8e7a65c35
SHA1

c87b757c8dc7826b74305f0c8c187731694875be
SHA256

98c4ede3a11f799ed2b5c1aa7d781b1262243d72be4397e3f4da08ad17a0a8da
SHA512

89da4e5fe0c22736be1f241ec5bec83d65d36349eda8f2bc8b6343c00eb89c7f447ff22d0375f28ce53ef5158647a505292dbcc507d4b959265b4844b53ad9e8
SSDEEP

98304:X3hMOAOfHJv3a+2T8xZCoskgz2bmVR0m3zqWGviO7jP:Xxn7Va+ZTBs/X3z3QJP

Score

9^/10

bootkit 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

Processes:

98c4ede3a11f799ed2b5c1aa7d781b1262243d72be4397e3f4da08ad17a0a8da.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 98c4ede3a11f799ed2b5c1aa7d781b1262243d72be4397e3f4da08ad17a0a8da.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	98c4ede3a11f799ed2b5c1aa7d781b1262243d72be4397e3f4da08ad17a0a8da.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

Processes:

98c4ede3a11f799ed2b5c1aa7d781b1262243d72be4397e3f4da08ad17a0a8da.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	98c4ede3a11f799ed2b5c1aa7d781b1262243d72be4397e3f4da08ad17a0a8da.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	98c4ede3a11f799ed2b5c1aa7d781b1262243d72be4397e3f4da08ad17a0a8da.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

98c4ede3a11f799ed2b5c1aa7d781b1262243d72be4397e3f4da08ad17a0a8da.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Wine	98c4ede3a11f799ed2b5c1aa7d781b1262243d72be4397e3f4da08ad17a0a8da.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

98c4ede3a11f799ed2b5c1aa7d781b1262243d72be4397e3f4da08ad17a0a8da.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	98c4ede3a11f799ed2b5c1aa7d781b1262243d72be4397e3f4da08ad17a0a8da.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:

98c4ede3a11f799ed2b5c1aa7d781b1262243d72be4397e3f4da08ad17a0a8da.exe

description ioc process

File opened for modification \??\PhysicalDrive0 98c4ede3a11f799ed2b5c1aa7d781b1262243d72be4397e3f4da08ad17a0a8da.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

98c4ede3a11f799ed2b5c1aa7d781b1262243d72be4397e3f4da08ad17a0a8da.exe

pid process

1660 98c4ede3a11f799ed2b5c1aa7d781b1262243d72be4397e3f4da08ad17a0a8da.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

98c4ede3a11f799ed2b5c1aa7d781b1262243d72be4397e3f4da08ad17a0a8da.exe

pid process

1660 98c4ede3a11f799ed2b5c1aa7d781b1262243d72be4397e3f4da08ad17a0a8da.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

98c4ede3a11f799ed2b5c1aa7d781b1262243d72be4397e3f4da08ad17a0a8da.exe

pid process

1660 98c4ede3a11f799ed2b5c1aa7d781b1262243d72be4397e3f4da08ad17a0a8da.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	98c4ede3a11f799ed2b5c1aa7d781b1262243d72be4397e3f4da08ad17a0a8da.exe

pid	process
1660	98c4ede3a11f799ed2b5c1aa7d781b1262243d72be4397e3f4da08ad17a0a8da.exe

pid	process
1660	98c4ede3a11f799ed2b5c1aa7d781b1262243d72be4397e3f4da08ad17a0a8da.exe

pid	process
1660	98c4ede3a11f799ed2b5c1aa7d781b1262243d72be4397e3f4da08ad17a0a8da.exe

C:\Users\Admin\AppData\Local\Temp\98c4ede3a11f799ed2b5c1aa7d781b1262243d72be4397e3f4da08ad17a0a8da.exe
"C:\Users\Admin\AppData\Local\Temp\98c4ede3a11f799ed2b5c1aa7d781b1262243d72be4397e3f4da08ad17a0a8da.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
PID:1660

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

1

T1067

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1660-54-0x0000000000400000-0x0000000000D88000-memory.dmp

Filesize
9.5MB

Download
memory/1660-55-0x0000000000FE0000-0x0000000001129000-memory.dmp

Filesize
1.3MB

Download
memory/1660-56-0x0000000075FB1000-0x0000000075FB3000-memory.dmp

Filesize
8KB

Download
memory/1660-58-0x0000000004920000-0x0000000004930000-memory.dmp

Filesize
64KB

Download
memory/1660-59-0x0000000004920000-0x0000000004930000-memory.dmp

Filesize
64KB

Download
memory/1660-60-0x0000000077640000-0x00000000777C0000-memory.dmp

Filesize
1.5MB

Download
memory/1660-61-0x0000000000400000-0x0000000000D88000-memory.dmp

Filesize
9.5MB

Download
memory/1660-62-0x0000000000400000-0x0000000000D88000-memory.dmp

Filesize
9.5MB

Download
memory/1660-63-0x0000000077640000-0x00000000777C0000-memory.dmp

Filesize
1.5MB

Download
memory/1660-64-0x0000000000400000-0x0000000000D88000-memory.dmp

Filesize
9.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads