966a72826f12cbcd59abace85ad3146ec4d52a0ce22ead9326544701a624a0a0

Analysis

max time kernel
35s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
04/12/2022, 10:12

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General

Target

966a72826f12cbcd59abace85ad3146ec4d52a0ce22ead9326544701a624a0a0.exe
Size

623KB
MD5

03fa690a947149d99d7133e0cc649de2
SHA1

8115a9dfb548c2d16402adc3e7fef2b567e7051e
SHA256

966a72826f12cbcd59abace85ad3146ec4d52a0ce22ead9326544701a624a0a0
SHA512

577dce52761276f654a81c5ee8ec982a3f657e2f6940069c98f60d0cf0911eeebe3af057545c7814b725c397ec8f5aa27606daf6fda1653d38e6c8ce8a7d73ff
SSDEEP

12288:4GqptJMk8NkFXELONTLpfVnIGRvkKIvcGT0Iw5paakZ:pPYXECNH3nIfcvl9kZ

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	966a72826f12cbcd59abace85ad3146ec4d52a0ce22ead9326544701a624a0a0.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
932	1080	WerFault.exe	27

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	966a72826f12cbcd59abace85ad3146ec4d52a0ce22ead9326544701a624a0a0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	966a72826f12cbcd59abace85ad3146ec4d52a0ce22ead9326544701a624a0a0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	966a72826f12cbcd59abace85ad3146ec4d52a0ce22ead9326544701a624a0a0.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1080 wrote to memory of 932	1080	966a72826f12cbcd59abace85ad3146ec4d52a0ce22ead9326544701a624a0a0.exe	28
PID 1080 wrote to memory of 932	1080	966a72826f12cbcd59abace85ad3146ec4d52a0ce22ead9326544701a624a0a0.exe	28
PID 1080 wrote to memory of 932	1080	966a72826f12cbcd59abace85ad3146ec4d52a0ce22ead9326544701a624a0a0.exe	28
PID 1080 wrote to memory of 932	1080	966a72826f12cbcd59abace85ad3146ec4d52a0ce22ead9326544701a624a0a0.exe	28

C:\Users\Admin\AppData\Local\Temp\966a72826f12cbcd59abace85ad3146ec4d52a0ce22ead9326544701a624a0a0.exe
"C:\Users\Admin\AppData\Local\Temp\966a72826f12cbcd59abace85ad3146ec4d52a0ce22ead9326544701a624a0a0.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1080
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1080 -s 244
  2⤵
  - Program crash
  PID:932

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1080-54-0x0000000000400000-0x0000000000574000-memory.dmp

Filesize
1.5MB

Download
memory/1080-55-0x0000000000400000-0x0000000000574000-memory.dmp

Filesize
1.5MB

Download
memory/1080-56-0x0000000000400000-0x0000000000574000-memory.dmp

Filesize
1.5MB

Download
memory/1080-59-0x0000000000400000-0x0000000000574000-memory.dmp

Filesize
1.5MB

Download