87dcc2666a41188ca4c410ce1e4532d9640a0f4809a768b2c6fa0c9e9dc35eeb

General

Target

87dcc2666a41188ca4c410ce1e4532d9640a0f4809a768b2c6fa0c9e9dc35eeb.exe
Size

6.3MB
MD5

5f2870562b4fb6dd053abb997513425f
SHA1

91e37e363d0764380680ac6ff0e06307f14e7044
SHA256

87dcc2666a41188ca4c410ce1e4532d9640a0f4809a768b2c6fa0c9e9dc35eeb
SHA512

915dcf716b0a976b892ad0a06feab74f20a3b62cb1bd65674112a6efff0d4370194761420f14ce94cc9d83abbeaaf39539ff2ee17b0402d1e093e44d60bc47d7
SSDEEP

196608:PbNVXATkEiXYMrFEtH3d9tJwka9JQ5dFe/UH0:T4QEiXRrF8H3jLwJJQ5d060

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:

87dcc2666a41188ca4c410ce1e4532d9640a0f4809a768b2c6fa0c9e9dc35eeb.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 87dcc2666a41188ca4c410ce1e4532d9640a0f4809a768b2c6fa0c9e9dc35eeb.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	87dcc2666a41188ca4c410ce1e4532d9640a0f4809a768b2c6fa0c9e9dc35eeb.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:

87dcc2666a41188ca4c410ce1e4532d9640a0f4809a768b2c6fa0c9e9dc35eeb.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	87dcc2666a41188ca4c410ce1e4532d9640a0f4809a768b2c6fa0c9e9dc35eeb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	87dcc2666a41188ca4c410ce1e4532d9640a0f4809a768b2c6fa0c9e9dc35eeb.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:

87dcc2666a41188ca4c410ce1e4532d9640a0f4809a768b2c6fa0c9e9dc35eeb.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Software\Wine	87dcc2666a41188ca4c410ce1e4532d9640a0f4809a768b2c6fa0c9e9dc35eeb.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

87dcc2666a41188ca4c410ce1e4532d9640a0f4809a768b2c6fa0c9e9dc35eeb.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	87dcc2666a41188ca4c410ce1e4532d9640a0f4809a768b2c6fa0c9e9dc35eeb.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:

87dcc2666a41188ca4c410ce1e4532d9640a0f4809a768b2c6fa0c9e9dc35eeb.exe

description ioc process

File opened for modification \??\PhysicalDrive0 87dcc2666a41188ca4c410ce1e4532d9640a0f4809a768b2c6fa0c9e9dc35eeb.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

87dcc2666a41188ca4c410ce1e4532d9640a0f4809a768b2c6fa0c9e9dc35eeb.exe

pid process

2188 87dcc2666a41188ca4c410ce1e4532d9640a0f4809a768b2c6fa0c9e9dc35eeb.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	87dcc2666a41188ca4c410ce1e4532d9640a0f4809a768b2c6fa0c9e9dc35eeb.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

87dcc2666a41188ca4c410ce1e4532d9640a0f4809a768b2c6fa0c9e9dc35eeb.exe

pid	process
2188	87dcc2666a41188ca4c410ce1e4532d9640a0f4809a768b2c6fa0c9e9dc35eeb.exe
2188	87dcc2666a41188ca4c410ce1e4532d9640a0f4809a768b2c6fa0c9e9dc35eeb.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

87dcc2666a41188ca4c410ce1e4532d9640a0f4809a768b2c6fa0c9e9dc35eeb.exe

pid process

2188 87dcc2666a41188ca4c410ce1e4532d9640a0f4809a768b2c6fa0c9e9dc35eeb.exe

C:\Users\Admin\AppData\Local\Temp\87dcc2666a41188ca4c410ce1e4532d9640a0f4809a768b2c6fa0c9e9dc35eeb.exe
"C:\Users\Admin\AppData\Local\Temp\87dcc2666a41188ca4c410ce1e4532d9640a0f4809a768b2c6fa0c9e9dc35eeb.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:2188

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/2188-36-0x0000000000400000-0x0000000001DCA000-memory.dmp

Filesize
25.8MB

Download
memory/2188-37-0x0000000000400000-0x0000000001DCA000-memory.dmp

Filesize
25.8MB

Download
memory/2188-5-0x0000000000400000-0x0000000001DCA000-memory.dmp

Filesize
25.8MB

Download
memory/2188-6-0x0000000000400000-0x0000000001DCA000-memory.dmp

Filesize
25.8MB

Download
memory/2188-3-0x0000000000400000-0x0000000001DCA000-memory.dmp

Filesize
25.8MB

Download
memory/2188-34-0x0000000000400000-0x0000000001DCA000-memory.dmp

Filesize
25.8MB

Download
memory/2188-4-0x0000000000400000-0x0000000001DCA000-memory.dmp

Filesize
25.8MB

Download
memory/2188-0-0x0000000000400000-0x0000000001DCA000-memory.dmp

Filesize
25.8MB

Download
memory/2188-35-0x0000000000400000-0x0000000001DCA000-memory.dmp

Filesize
25.8MB

Download
memory/2188-38-0x0000000000400000-0x0000000001DCA000-memory.dmp

Filesize
25.8MB

Download
memory/2188-39-0x0000000000400000-0x0000000001DCA000-memory.dmp

Filesize
25.8MB

Download
memory/2188-40-0x0000000000400000-0x0000000001DCA000-memory.dmp

Filesize
25.8MB

Download
memory/2188-41-0x0000000000400000-0x0000000001DCA000-memory.dmp

Filesize
25.8MB

Download
memory/2188-42-0x0000000000400000-0x0000000001DCA000-memory.dmp

Filesize
25.8MB

Download
memory/2188-43-0x0000000000400000-0x0000000001DCA000-memory.dmp

Filesize
25.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads