95edcc6bf0ca4797dbcc379d88c0eb1ae636d1e0a86fc5a7c3575d8a42d7d9b0

Analysis

max time kernel
91s
max time network
50s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 16:59

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General

Target

95edcc6bf0ca4797dbcc379d88c0eb1ae636d1e0a86fc5a7c3575d8a42d7d9b0.exe
Size

1.7MB
MD5

987f243aa68ebd846ce2c6774af359f7
SHA1

1a5edfdeb13c93ad9f390b7f67122c91ce1b9e8b
SHA256

95edcc6bf0ca4797dbcc379d88c0eb1ae636d1e0a86fc5a7c3575d8a42d7d9b0
SHA512

b39976367216b1bc1d440a59f9c37a7f77ed1999d8e9bd0456f397c4e69f88cf930f1a941f68cee87e18f1785d7133995acbae16fbfb1bba075500a88f65cfd6
SSDEEP

49152:ORPUXyNF4yxrzSKon2fpMAkj+cUJyY92hB0eXBe4:ORPUeF7x/hjkj+JJVg0eA

Score

7^/10

bootkit evasion persistence trojan

Malware Config

Signatures

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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Wine	95edcc6bf0ca4797dbcc379d88c0eb1ae636d1e0a86fc5a7c3575d8a42d7d9b0.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	95edcc6bf0ca4797dbcc379d88c0eb1ae636d1e0a86fc5a7c3575d8a42d7d9b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\keeps32 = "C:\\WINDOWS\\keeps32.exe"	95edcc6bf0ca4797dbcc379d88c0eb1ae636d1e0a86fc5a7c3575d8a42d7d9b0.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	95edcc6bf0ca4797dbcc379d88c0eb1ae636d1e0a86fc5a7c3575d8a42d7d9b0.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

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	95edcc6bf0ca4797dbcc379d88c0eb1ae636d1e0a86fc5a7c3575d8a42d7d9b0.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1992	95edcc6bf0ca4797dbcc379d88c0eb1ae636d1e0a86fc5a7c3575d8a42d7d9b0.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\WINDOWS\keeps32.exe	95edcc6bf0ca4797dbcc379d88c0eb1ae636d1e0a86fc5a7c3575d8a42d7d9b0.exe
File opened for modification	C:\WINDOWS\keeps32.exe	95edcc6bf0ca4797dbcc379d88c0eb1ae636d1e0a86fc5a7c3575d8a42d7d9b0.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1992	95edcc6bf0ca4797dbcc379d88c0eb1ae636d1e0a86fc5a7c3575d8a42d7d9b0.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1992	95edcc6bf0ca4797dbcc379d88c0eb1ae636d1e0a86fc5a7c3575d8a42d7d9b0.exe

C:\Users\Admin\AppData\Local\Temp\95edcc6bf0ca4797dbcc379d88c0eb1ae636d1e0a86fc5a7c3575d8a42d7d9b0.exe
"C:\Users\Admin\AppData\Local\Temp\95edcc6bf0ca4797dbcc379d88c0eb1ae636d1e0a86fc5a7c3575d8a42d7d9b0.exe"
1⤵
- Identifies Wine through registry keys
- Adds Run key to start application
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
PID:1992

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1992-54-0x0000000000400000-0x000000000083F000-memory.dmp

Filesize
4.2MB

Download
memory/1992-55-0x0000000000400000-0x000000000083F000-memory.dmp

Filesize
4.2MB

Download
memory/1992-56-0x0000000000400000-0x000000000083F000-memory.dmp

Filesize
4.2MB

Download
memory/1992-57-0x0000000000400000-0x000000000083F000-memory.dmp

Filesize
4.2MB

Download