5a794c0c67a540f523c4c26f7fbdda53f6b2a33b4f14b615cd2ca01e8a28689d

General

Target

5a794c0c67a540f523c4c26f7fbdda53f6b2a33b4f14b615cd2ca01e8a28689d.exe
Size

10.8MB
MD5

be159718a0d9bfbaa0d48b3830fbd3ff
SHA1

bc943b130fc9da980bb4f2e84dc96c77981dd3ed
SHA256

5a794c0c67a540f523c4c26f7fbdda53f6b2a33b4f14b615cd2ca01e8a28689d
SHA512

4a965089dc4acae418d1e23c506f44913f1df72721c7c292d30cfb441a3b700fe861e1be78d187ca39192ffd82bc055ba1d7594df60b200bf839f0c761d16bf2
SSDEEP

196608:sVMMOU6/a70XSNEBeK1pjXQWzkEQWto5OzoEA1UsRARcV7igwXqHYjl:lMOU6yOBeo43V7igkqHYR

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:

5a794c0c67a540f523c4c26f7fbdda53f6b2a33b4f14b615cd2ca01e8a28689d.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 5a794c0c67a540f523c4c26f7fbdda53f6b2a33b4f14b615cd2ca01e8a28689d.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	5a794c0c67a540f523c4c26f7fbdda53f6b2a33b4f14b615cd2ca01e8a28689d.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:

5a794c0c67a540f523c4c26f7fbdda53f6b2a33b4f14b615cd2ca01e8a28689d.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	5a794c0c67a540f523c4c26f7fbdda53f6b2a33b4f14b615cd2ca01e8a28689d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	5a794c0c67a540f523c4c26f7fbdda53f6b2a33b4f14b615cd2ca01e8a28689d.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:

5a794c0c67a540f523c4c26f7fbdda53f6b2a33b4f14b615cd2ca01e8a28689d.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Wine	5a794c0c67a540f523c4c26f7fbdda53f6b2a33b4f14b615cd2ca01e8a28689d.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

5a794c0c67a540f523c4c26f7fbdda53f6b2a33b4f14b615cd2ca01e8a28689d.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	5a794c0c67a540f523c4c26f7fbdda53f6b2a33b4f14b615cd2ca01e8a28689d.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:

5a794c0c67a540f523c4c26f7fbdda53f6b2a33b4f14b615cd2ca01e8a28689d.exe

description ioc process

File opened for modification \??\PhysicalDrive0 5a794c0c67a540f523c4c26f7fbdda53f6b2a33b4f14b615cd2ca01e8a28689d.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

5a794c0c67a540f523c4c26f7fbdda53f6b2a33b4f14b615cd2ca01e8a28689d.exe

pid process

2768 5a794c0c67a540f523c4c26f7fbdda53f6b2a33b4f14b615cd2ca01e8a28689d.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

5a794c0c67a540f523c4c26f7fbdda53f6b2a33b4f14b615cd2ca01e8a28689d.exe

pid process

2768 5a794c0c67a540f523c4c26f7fbdda53f6b2a33b4f14b615cd2ca01e8a28689d.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

5a794c0c67a540f523c4c26f7fbdda53f6b2a33b4f14b615cd2ca01e8a28689d.exe

pid process

2768 5a794c0c67a540f523c4c26f7fbdda53f6b2a33b4f14b615cd2ca01e8a28689d.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	5a794c0c67a540f523c4c26f7fbdda53f6b2a33b4f14b615cd2ca01e8a28689d.exe

pid	process
2768	5a794c0c67a540f523c4c26f7fbdda53f6b2a33b4f14b615cd2ca01e8a28689d.exe

pid	process
2768	5a794c0c67a540f523c4c26f7fbdda53f6b2a33b4f14b615cd2ca01e8a28689d.exe

pid	process
2768	5a794c0c67a540f523c4c26f7fbdda53f6b2a33b4f14b615cd2ca01e8a28689d.exe

C:\Users\Admin\AppData\Local\Temp\5a794c0c67a540f523c4c26f7fbdda53f6b2a33b4f14b615cd2ca01e8a28689d.exe
"C:\Users\Admin\AppData\Local\Temp\5a794c0c67a540f523c4c26f7fbdda53f6b2a33b4f14b615cd2ca01e8a28689d.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 use of SetWindowsHookEx
PID:2768

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

2

T1497

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\pcsf.ini

Filesize
20B

MD5
681496ec06a1de0b86c016432b484d1c

SHA1
d7cd30308a7865424124b448638ab2701abacb11

SHA256
50ea92c083a43e75d9ddb9f578c18c146fe5202f208d1e3ee0c047c7b544dea8

SHA512
9626c2013693b6d8dc62a6c26115349f88085f3f90c1b8791d7ce52541fe2f62ccbfad56937d14f762d3960c5dca593f8aa7d6de04b102f5b41a638306d71de0

Download Submit
memory/2768-36-0x0000000000400000-0x00000000036BC000-memory.dmp

Filesize
50.7MB

Download
memory/2768-35-0x0000000000400000-0x00000000036BC000-memory.dmp

Filesize
50.7MB

Download
memory/2768-5-0x0000000000400000-0x00000000036BC000-memory.dmp

Filesize
50.7MB

Download
memory/2768-6-0x0000000000400000-0x00000000036BC000-memory.dmp

Filesize
50.7MB

Download
memory/2768-37-0x0000000000400000-0x00000000036BC000-memory.dmp

Filesize
50.7MB

Download
memory/2768-1-0x0000000076FE0000-0x0000000076FE1000-memory.dmp

Filesize
4KB

Download
memory/2768-4-0x0000000000400000-0x00000000036BC000-memory.dmp

Filesize
50.7MB

Download
memory/2768-0-0x0000000000400000-0x00000000036BC000-memory.dmp

Filesize
50.7MB

Download
memory/2768-7-0x0000000000400000-0x00000000036BC000-memory.dmp

Filesize
50.7MB

Download
memory/2768-38-0x0000000000400000-0x00000000036BC000-memory.dmp

Filesize
50.7MB

Download
memory/2768-39-0x0000000000400000-0x00000000036BC000-memory.dmp

Filesize
50.7MB

Download
memory/2768-40-0x0000000000400000-0x00000000036BC000-memory.dmp

Filesize
50.7MB

Download
memory/2768-41-0x0000000000400000-0x00000000036BC000-memory.dmp

Filesize
50.7MB

Download
memory/2768-42-0x0000000000400000-0x00000000036BC000-memory.dmp

Filesize
50.7MB

Download
memory/2768-43-0x0000000000400000-0x00000000036BC000-memory.dmp

Filesize
50.7MB

Download
memory/2768-44-0x0000000000400000-0x00000000036BC000-memory.dmp

Filesize
50.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads