e17f07f62bed84c388121ef63ecae48ac69834ae4cdff92b5f8871ed88f67c62

General

Target

e17f07f62bed84c388121ef63ecae48ac69834ae4cdff92b5f8871ed88f67c62.exe
Size

1.9MB
MD5

4a1c0fd0dea70de9898517ac5c37d766
SHA1

38bea50aa5e4f0693bbebac4c12bbcb469b045b0
SHA256

e17f07f62bed84c388121ef63ecae48ac69834ae4cdff92b5f8871ed88f67c62
SHA512

a3632a5c15a0d5b84e28fc7e2f95a5b73e8f08037c1415682592eceaf9001aa971135cf534a4d039c9bd8854e0c08359ac300a27c429e592879367b7ae83c195

Score

9^/10

bootkit evasion persistence trojan

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

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:

e17f07f62bed84c388121ef63ecae48ac69834ae4cdff92b5f8871ed88f67c62.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	e17f07f62bed84c388121ef63ecae48ac69834ae4cdff92b5f8871ed88f67c62.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e17f07f62bed84c388121ef63ecae48ac69834ae4cdff92b5f8871ed88f67c62.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:

e17f07f62bed84c388121ef63ecae48ac69834ae4cdff92b5f8871ed88f67c62.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Wine	e17f07f62bed84c388121ef63ecae48ac69834ae4cdff92b5f8871ed88f67c62.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

e17f07f62bed84c388121ef63ecae48ac69834ae4cdff92b5f8871ed88f67c62.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	e17f07f62bed84c388121ef63ecae48ac69834ae4cdff92b5f8871ed88f67c62.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
T1067

Processes:

e17f07f62bed84c388121ef63ecae48ac69834ae4cdff92b5f8871ed88f67c62.exe

description ioc process

File opened for modification \??\PhysicalDrive0 e17f07f62bed84c388121ef63ecae48ac69834ae4cdff92b5f8871ed88f67c62.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

e17f07f62bed84c388121ef63ecae48ac69834ae4cdff92b5f8871ed88f67c62.exe

pid process

1080 e17f07f62bed84c388121ef63ecae48ac69834ae4cdff92b5f8871ed88f67c62.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1368 1080 WerFault.exe e17f07f62bed84c388121ef63ecae48ac69834ae4cdff92b5f8871ed88f67c62.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

e17f07f62bed84c388121ef63ecae48ac69834ae4cdff92b5f8871ed88f67c62.exe

pid process

1080 e17f07f62bed84c388121ef63ecae48ac69834ae4cdff92b5f8871ed88f67c62.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	e17f07f62bed84c388121ef63ecae48ac69834ae4cdff92b5f8871ed88f67c62.exe

pid	process
1080	e17f07f62bed84c388121ef63ecae48ac69834ae4cdff92b5f8871ed88f67c62.exe

pid	pid_target	process	target process
1368	1080	WerFault.exe	e17f07f62bed84c388121ef63ecae48ac69834ae4cdff92b5f8871ed88f67c62.exe

pid	process
1080	e17f07f62bed84c388121ef63ecae48ac69834ae4cdff92b5f8871ed88f67c62.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

e17f07f62bed84c388121ef63ecae48ac69834ae4cdff92b5f8871ed88f67c62.exe

description	pid	process	target process
PID 1080 wrote to memory of 1368	1080	e17f07f62bed84c388121ef63ecae48ac69834ae4cdff92b5f8871ed88f67c62.exe	WerFault.exe
PID 1080 wrote to memory of 1368	1080	e17f07f62bed84c388121ef63ecae48ac69834ae4cdff92b5f8871ed88f67c62.exe	WerFault.exe
PID 1080 wrote to memory of 1368	1080	e17f07f62bed84c388121ef63ecae48ac69834ae4cdff92b5f8871ed88f67c62.exe	WerFault.exe
PID 1080 wrote to memory of 1368	1080	e17f07f62bed84c388121ef63ecae48ac69834ae4cdff92b5f8871ed88f67c62.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\e17f07f62bed84c388121ef63ecae48ac69834ae4cdff92b5f8871ed88f67c62.exe
"C:\Users\Admin\AppData\Local\Temp\e17f07f62bed84c388121ef63ecae48ac69834ae4cdff92b5f8871ed88f67c62.exe"
1⤵
- 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 WriteProcessMemory
PID:1080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1080 -s 856
2⤵
- Program crash
PID:1368

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Bootkit

1

T1067

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

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

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Downloads

memory/1080-54-0x00000000752D1000-0x00000000752D3000-memory.dmp

Filesize
8KB

Download
memory/1080-56-0x0000000077570000-0x00000000776F0000-memory.dmp

Filesize
1.5MB

Download
memory/1080-57-0x0000000000400000-0x00000000008C4000-memory.dmp

Filesize
4.8MB

Download
memory/1080-58-0x0000000000400000-0x00000000008C4000-memory.dmp

Filesize
4.8MB

Download
memory/1368-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads