4e3983725a2a9d13964daab871bb80dd53cf622720d3ee2fb238e828f838c315

General

Target

4e3983725a2a9d13964daab871bb80dd53cf622720d3ee2fb238e828f838c315.exe
Size

6.1MB
MD5

9e7fb76f5fd5ead7c3245a874abd6a3e
SHA1

fb2d2fb7b08ee61187ccf9188b7c5905006a0a6d
SHA256

4e3983725a2a9d13964daab871bb80dd53cf622720d3ee2fb238e828f838c315
SHA512

75b30932d2884f209f54f3cc72755cf1a4256be376d6b168f61f3cb0dd098c7e3c1ab8c640a3a9e5985cbc1203d74867b0a28c17e84720433f8e6270792a55c1
SSDEEP

98304:u6vzOve+1npo85PKknn/G8ccoODEp4qpznJcHIwSD9HrNTTaGNqbbc4mty:uT2+1uoPvn+RcoP3pqH1kNijbzz

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:

4e3983725a2a9d13964daab871bb80dd53cf622720d3ee2fb238e828f838c315.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 4e3983725a2a9d13964daab871bb80dd53cf622720d3ee2fb238e828f838c315.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	4e3983725a2a9d13964daab871bb80dd53cf622720d3ee2fb238e828f838c315.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:

4e3983725a2a9d13964daab871bb80dd53cf622720d3ee2fb238e828f838c315.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	4e3983725a2a9d13964daab871bb80dd53cf622720d3ee2fb238e828f838c315.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4e3983725a2a9d13964daab871bb80dd53cf622720d3ee2fb238e828f838c315.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:

4e3983725a2a9d13964daab871bb80dd53cf622720d3ee2fb238e828f838c315.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine	4e3983725a2a9d13964daab871bb80dd53cf622720d3ee2fb238e828f838c315.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

4e3983725a2a9d13964daab871bb80dd53cf622720d3ee2fb238e828f838c315.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	4e3983725a2a9d13964daab871bb80dd53cf622720d3ee2fb238e828f838c315.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:

4e3983725a2a9d13964daab871bb80dd53cf622720d3ee2fb238e828f838c315.exe

description ioc process

File opened for modification \??\PhysicalDrive0 4e3983725a2a9d13964daab871bb80dd53cf622720d3ee2fb238e828f838c315.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

4e3983725a2a9d13964daab871bb80dd53cf622720d3ee2fb238e828f838c315.exe

pid process

772 4e3983725a2a9d13964daab871bb80dd53cf622720d3ee2fb238e828f838c315.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	4e3983725a2a9d13964daab871bb80dd53cf622720d3ee2fb238e828f838c315.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

4e3983725a2a9d13964daab871bb80dd53cf622720d3ee2fb238e828f838c315.exe

pid	process
772	4e3983725a2a9d13964daab871bb80dd53cf622720d3ee2fb238e828f838c315.exe
772	4e3983725a2a9d13964daab871bb80dd53cf622720d3ee2fb238e828f838c315.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

4e3983725a2a9d13964daab871bb80dd53cf622720d3ee2fb238e828f838c315.exe

pid process

772 4e3983725a2a9d13964daab871bb80dd53cf622720d3ee2fb238e828f838c315.exe

C:\Users\Admin\AppData\Local\Temp\4e3983725a2a9d13964daab871bb80dd53cf622720d3ee2fb238e828f838c315.exe
"C:\Users\Admin\AppData\Local\Temp\4e3983725a2a9d13964daab871bb80dd53cf622720d3ee2fb238e828f838c315.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:772

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4076 --field-trial-handle=2900,i,14549994492153927475,12895178890800740987,262144 --variations-seed-version /prefetch:8
1⤵
PID:1336

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/772-36-0x0000000000400000-0x0000000001C8D000-memory.dmp

Filesize
24.6MB

Download
memory/772-35-0x0000000000400000-0x0000000001C8D000-memory.dmp

Filesize
24.6MB

Download
memory/772-5-0x0000000000400000-0x0000000001C8D000-memory.dmp

Filesize
24.6MB

Download
memory/772-6-0x0000000000400000-0x0000000001C8D000-memory.dmp

Filesize
24.6MB

Download
memory/772-37-0x0000000000400000-0x0000000001C8D000-memory.dmp

Filesize
24.6MB

Download
memory/772-3-0x0000000000400000-0x0000000001C8D000-memory.dmp

Filesize
24.6MB

Download
memory/772-4-0x0000000000400000-0x0000000001C8D000-memory.dmp

Filesize
24.6MB

Download
memory/772-0-0x0000000000400000-0x0000000001C8D000-memory.dmp

Filesize
24.6MB

Download
memory/772-7-0x0000000000400000-0x0000000001C8D000-memory.dmp

Filesize
24.6MB

Download
memory/772-38-0x0000000000400000-0x0000000001C8D000-memory.dmp

Filesize
24.6MB

Download
memory/772-39-0x0000000000400000-0x0000000001C8D000-memory.dmp

Filesize
24.6MB

Download
memory/772-40-0x0000000000400000-0x0000000001C8D000-memory.dmp

Filesize
24.6MB

Download
memory/772-41-0x0000000000400000-0x0000000001C8D000-memory.dmp

Filesize
24.6MB

Download
memory/772-42-0x0000000000400000-0x0000000001C8D000-memory.dmp

Filesize
24.6MB

Download
memory/772-43-0x0000000000400000-0x0000000001C8D000-memory.dmp

Filesize
24.6MB

Download
memory/772-44-0x0000000000400000-0x0000000001C8D000-memory.dmp

Filesize
24.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads