952b197b07464f289d2a5b4d042b11ff30ff5c9bf60ef98e283bf39c5e1da4be

Analysis

max time kernel
45s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 09:10

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General

Target

952b197b07464f289d2a5b4d042b11ff30ff5c9bf60ef98e283bf39c5e1da4be.exe
Size

197KB
MD5

18717fa5cee48496fa166c7767314471
SHA1

556eadaf39e440353c22f7ac3cc36895b1594dd8
SHA256

952b197b07464f289d2a5b4d042b11ff30ff5c9bf60ef98e283bf39c5e1da4be
SHA512

2b34b5e0d9fa64128067d0a16c05ba97854ee5506ec3d1c46e8215f34b5d0ba3fc47c9f08afda3b06b81ca52b280662a9ed14af334e2a879dbcda10b5c21b689
SSDEEP

6144:HNXIpn+aC1meyUGimMoEfPeL2GkGnisCQIz1:GJW1meyUGp8P024X6

Score

6^/10

bootkit persistence

Malware Config

Signatures

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	952b197b07464f289d2a5b4d042b11ff30ff5c9bf60ef98e283bf39c5e1da4be.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	952b197b07464f289d2a5b4d042b11ff30ff5c9bf60ef98e283bf39c5e1da4be.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	952b197b07464f289d2a5b4d042b11ff30ff5c9bf60ef98e283bf39c5e1da4be.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	952b197b07464f289d2a5b4d042b11ff30ff5c9bf60ef98e283bf39c5e1da4be.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1600	952b197b07464f289d2a5b4d042b11ff30ff5c9bf60ef98e283bf39c5e1da4be.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1600	952b197b07464f289d2a5b4d042b11ff30ff5c9bf60ef98e283bf39c5e1da4be.exe

C:\Users\Admin\AppData\Local\Temp\952b197b07464f289d2a5b4d042b11ff30ff5c9bf60ef98e283bf39c5e1da4be.exe
"C:\Users\Admin\AppData\Local\Temp\952b197b07464f289d2a5b4d042b11ff30ff5c9bf60ef98e283bf39c5e1da4be.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1600

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1600-56-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/1600-57-0x0000000001E60000-0x0000000001E67000-memory.dmp

Filesize
28KB

Download
memory/1600-58-0x0000000076461000-0x0000000076463000-memory.dmp

Filesize
8KB

Download
memory/1600-59-0x0000000004F20000-0x0000000004F30000-memory.dmp

Filesize
64KB

Download
memory/1600-60-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download