1c87c8b0a38ea8a30b3a191582c727e92cbd34618e67328d63bff3e68172f698

General

Target

1c87c8b0a38ea8a30b3a191582c727e92cbd34618e67328d63bff3e68172f698.exe
Size

6.3MB
MD5

095277b5562bdf73b39b2bac6229c2bf
SHA1

e6c7e95a5d2916b288f51e120dc57bbfc81ba468
SHA256

1c87c8b0a38ea8a30b3a191582c727e92cbd34618e67328d63bff3e68172f698
SHA512

762279a7310164833eacd2101a6a879c13a9926c56987059531458e5d621f508687a477a4ebec316deea3b048a9a0c9f24c27b098f2381c620e1fdfa73d2909e
SSDEEP

98304:VIq4inOVzLlGPghuUq1OLXTYGmAl8u7au6DZ9QBFqXPaC/diq0HrUpFL6z8tV:VX4iOVnyghMiVmi8u7au6D0KPaC/sqjl

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:

1c87c8b0a38ea8a30b3a191582c727e92cbd34618e67328d63bff3e68172f698.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 1c87c8b0a38ea8a30b3a191582c727e92cbd34618e67328d63bff3e68172f698.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	1c87c8b0a38ea8a30b3a191582c727e92cbd34618e67328d63bff3e68172f698.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:

1c87c8b0a38ea8a30b3a191582c727e92cbd34618e67328d63bff3e68172f698.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	1c87c8b0a38ea8a30b3a191582c727e92cbd34618e67328d63bff3e68172f698.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	1c87c8b0a38ea8a30b3a191582c727e92cbd34618e67328d63bff3e68172f698.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:

1c87c8b0a38ea8a30b3a191582c727e92cbd34618e67328d63bff3e68172f698.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine	1c87c8b0a38ea8a30b3a191582c727e92cbd34618e67328d63bff3e68172f698.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

1c87c8b0a38ea8a30b3a191582c727e92cbd34618e67328d63bff3e68172f698.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	1c87c8b0a38ea8a30b3a191582c727e92cbd34618e67328d63bff3e68172f698.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:

1c87c8b0a38ea8a30b3a191582c727e92cbd34618e67328d63bff3e68172f698.exe

description ioc process

File opened for modification \??\PhysicalDrive0 1c87c8b0a38ea8a30b3a191582c727e92cbd34618e67328d63bff3e68172f698.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

1c87c8b0a38ea8a30b3a191582c727e92cbd34618e67328d63bff3e68172f698.exe

pid process

956 1c87c8b0a38ea8a30b3a191582c727e92cbd34618e67328d63bff3e68172f698.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	1c87c8b0a38ea8a30b3a191582c727e92cbd34618e67328d63bff3e68172f698.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

1c87c8b0a38ea8a30b3a191582c727e92cbd34618e67328d63bff3e68172f698.exe

pid	process
956	1c87c8b0a38ea8a30b3a191582c727e92cbd34618e67328d63bff3e68172f698.exe
956	1c87c8b0a38ea8a30b3a191582c727e92cbd34618e67328d63bff3e68172f698.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

1c87c8b0a38ea8a30b3a191582c727e92cbd34618e67328d63bff3e68172f698.exe

pid process

956 1c87c8b0a38ea8a30b3a191582c727e92cbd34618e67328d63bff3e68172f698.exe

C:\Users\Admin\AppData\Local\Temp\1c87c8b0a38ea8a30b3a191582c727e92cbd34618e67328d63bff3e68172f698.exe
"C:\Users\Admin\AppData\Local\Temp\1c87c8b0a38ea8a30b3a191582c727e92cbd34618e67328d63bff3e68172f698.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:956

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

2

T1497

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Discovery

Query Registry

3

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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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/956-37-0x0000000000400000-0x0000000001D9E000-memory.dmp

Filesize
25.6MB

Download
memory/956-38-0x0000000000400000-0x0000000001D9E000-memory.dmp

Filesize
25.6MB

Download
memory/956-5-0x0000000000400000-0x0000000001D9E000-memory.dmp

Filesize
25.6MB

Download
memory/956-6-0x0000000000400000-0x0000000001D9E000-memory.dmp

Filesize
25.6MB

Download
memory/956-3-0x0000000000400000-0x0000000001D9E000-memory.dmp

Filesize
25.6MB

Download
memory/956-35-0x0000000000400000-0x0000000001D9E000-memory.dmp

Filesize
25.6MB

Download
memory/956-4-0x0000000000400000-0x0000000001D9E000-memory.dmp

Filesize
25.6MB

Download
memory/956-0-0x0000000000400000-0x0000000001D9E000-memory.dmp

Filesize
25.6MB

Download
memory/956-36-0x0000000000400000-0x0000000001D9E000-memory.dmp

Filesize
25.6MB

Download
memory/956-39-0x0000000000400000-0x0000000001D9E000-memory.dmp

Filesize
25.6MB

Download
memory/956-40-0x0000000000400000-0x0000000001D9E000-memory.dmp

Filesize
25.6MB

Download
memory/956-41-0x0000000000400000-0x0000000001D9E000-memory.dmp

Filesize
25.6MB

Download
memory/956-42-0x0000000000400000-0x0000000001D9E000-memory.dmp

Filesize
25.6MB

Download
memory/956-43-0x0000000000400000-0x0000000001D9E000-memory.dmp

Filesize
25.6MB

Download
memory/956-44-0x0000000000400000-0x0000000001D9E000-memory.dmp

Filesize
25.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads