1c4691f540e1a4290e8cd0150c4be41ed08d96b9cd4911f4c6194624d8cf5ab6

General

Target

1c4691f540e1a4290e8cd0150c4be41ed08d96b9cd4911f4c6194624d8cf5ab6.exe
Size

8.6MB
MD5

6105d05246b47a7751152e61d7bd2610
SHA1

8e434e53de5e49441d2d0846c73ef15fbcdc7659
SHA256

1c4691f540e1a4290e8cd0150c4be41ed08d96b9cd4911f4c6194624d8cf5ab6
SHA512

4e5beba4049eac37b02fa1af392de5550ad325eaddf04a5aac530e33be4db57ae103adaf582674edcdadd7bbdcd92ca3bd93ac4b60d467dc9e6205285effcc21
SSDEEP

196608:duY/qOO+cbfqF3rRX0Gcb+rk07M5hlX+0YLhFspETbXuahVyh240A/n5M:dRqOO+5F+z+rk0QF+3TsibXvDy0yn2

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:

1c4691f540e1a4290e8cd0150c4be41ed08d96b9cd4911f4c6194624d8cf5ab6.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 1c4691f540e1a4290e8cd0150c4be41ed08d96b9cd4911f4c6194624d8cf5ab6.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	1c4691f540e1a4290e8cd0150c4be41ed08d96b9cd4911f4c6194624d8cf5ab6.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

Processes:

1c4691f540e1a4290e8cd0150c4be41ed08d96b9cd4911f4c6194624d8cf5ab6.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	1c4691f540e1a4290e8cd0150c4be41ed08d96b9cd4911f4c6194624d8cf5ab6.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	1c4691f540e1a4290e8cd0150c4be41ed08d96b9cd4911f4c6194624d8cf5ab6.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	1c4691f540e1a4290e8cd0150c4be41ed08d96b9cd4911f4c6194624d8cf5ab6.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

1c4691f540e1a4290e8cd0150c4be41ed08d96b9cd4911f4c6194624d8cf5ab6.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	1c4691f540e1a4290e8cd0150c4be41ed08d96b9cd4911f4c6194624d8cf5ab6.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

Processes:

1c4691f540e1a4290e8cd0150c4be41ed08d96b9cd4911f4c6194624d8cf5ab6.exe

description ioc process

File opened for modification \??\PhysicalDrive0 1c4691f540e1a4290e8cd0150c4be41ed08d96b9cd4911f4c6194624d8cf5ab6.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

1c4691f540e1a4290e8cd0150c4be41ed08d96b9cd4911f4c6194624d8cf5ab6.exe

pid process

3024 1c4691f540e1a4290e8cd0150c4be41ed08d96b9cd4911f4c6194624d8cf5ab6.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	1c4691f540e1a4290e8cd0150c4be41ed08d96b9cd4911f4c6194624d8cf5ab6.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

1c4691f540e1a4290e8cd0150c4be41ed08d96b9cd4911f4c6194624d8cf5ab6.exe

pid	process
3024	1c4691f540e1a4290e8cd0150c4be41ed08d96b9cd4911f4c6194624d8cf5ab6.exe
3024	1c4691f540e1a4290e8cd0150c4be41ed08d96b9cd4911f4c6194624d8cf5ab6.exe

C:\Users\Admin\AppData\Local\Temp\1c4691f540e1a4290e8cd0150c4be41ed08d96b9cd4911f4c6194624d8cf5ab6.exe
"C:\Users\Admin\AppData\Local\Temp\1c4691f540e1a4290e8cd0150c4be41ed08d96b9cd4911f4c6194624d8cf5ab6.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
- Suspicious behavior: EnumeratesProcesses
PID:3024

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

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

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Config.ini
Filesize
91B

MD5
70d1fdc0108733396a019c225a4a2200

SHA1
74209feff54440155f1d82b629ef054986ee0710

SHA256
11e0b0ad5142cafcd77362cf05d67807b441d089b4adc390cdd2ad32ba8c6fdf

SHA512
e50a0689b160d2b0a9a2ac731ecf9f0a770ab4ffd8c26531ee7f36bcaf93d8417aa9d56c406bc9ef46b2c41d3d7d21b7df3540e533fe22b08ded1aaff94ce6ca

Download Submit
memory/3024-87-0x00000000040D0000-0x00000000040D1000-memory.dmp

Filesize
4KB

Download
memory/3024-4-0x0000000000400000-0x00000000020C6000-memory.dmp

Filesize
28.8MB

Download
memory/3024-89-0x0000000000400000-0x00000000020C6000-memory.dmp

Filesize
28.8MB

Download
memory/3024-5-0x0000000000400000-0x00000000020C6000-memory.dmp

Filesize
28.8MB

Download
memory/3024-6-0x00000000040D0000-0x00000000040D1000-memory.dmp

Filesize
4KB

Download
memory/3024-1-0x0000000077324000-0x0000000077326000-memory.dmp

Filesize
8KB

Download
memory/3024-84-0x0000000000400000-0x00000000020C6000-memory.dmp

Filesize
28.8MB

Download
memory/3024-85-0x0000000000400000-0x00000000020C6000-memory.dmp

Filesize
28.8MB

Download
memory/3024-90-0x0000000000400000-0x00000000020C6000-memory.dmp

Filesize
28.8MB

Download
memory/3024-0-0x0000000000400000-0x00000000020C6000-memory.dmp

Filesize
28.8MB

Download
memory/3024-99-0x0000000000400000-0x00000000020C6000-memory.dmp

Filesize
28.8MB

Download
memory/3024-3-0x0000000000400000-0x00000000020C6000-memory.dmp

Filesize
28.8MB

Download
memory/3024-86-0x0000000000400000-0x00000000020C6000-memory.dmp

Filesize
28.8MB

Download
memory/3024-91-0x0000000000400000-0x00000000020C6000-memory.dmp

Filesize
28.8MB

Download
memory/3024-92-0x0000000000400000-0x00000000020C6000-memory.dmp

Filesize
28.8MB

Download
memory/3024-93-0x0000000000400000-0x00000000020C6000-memory.dmp

Filesize
28.8MB

Download
memory/3024-94-0x0000000000400000-0x00000000020C6000-memory.dmp

Filesize
28.8MB

Download
memory/3024-95-0x0000000000400000-0x00000000020C6000-memory.dmp

Filesize
28.8MB

Download
memory/3024-96-0x0000000000400000-0x00000000020C6000-memory.dmp

Filesize
28.8MB

Download
memory/3024-97-0x0000000000400000-0x00000000020C6000-memory.dmp

Filesize
28.8MB

Download
memory/3024-98-0x0000000000400000-0x00000000020C6000-memory.dmp

Filesize
28.8MB

Download
memory/3024-88-0x0000000000400000-0x00000000020C6000-memory.dmp

Filesize
28.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads