a196c6b8ffcb97ffb276d04f354696e2391311db3841ae16c8c9f56f36a38e92

Analysis

max time kernel
23s
max time network
14s
platform
windows7_x64
resource
win7-en-20211208
submitted
16-01-2022 21:35

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General

Target

a196c6b8ffcb97ffb276d04f354696e2391311db3841ae16c8c9f56f36a38e92.exe
Size

27KB
MD5

5d5c99a08a7d927346ca2dafa7973fc1
SHA1

189166d382c73c242ba45889d57980548d4ba37e
SHA256

a196c6b8ffcb97ffb276d04f354696e2391311db3841ae16c8c9f56f36a38e92
SHA512

ece2ac87f5b80dc43ac68f766eee16be6f8cd3b1c6535c741551d0637c72c712e9f7de080e6fa612b321b9e9eab90922995bba5486debefbbb6e21104a80442d

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

Processes:

a196c6b8ffcb97ffb276d04f354696e2391311db3841ae16c8c9f56f36a38e92.exe

description ioc process

File opened for modification \??\PhysicalDrive0 a196c6b8ffcb97ffb276d04f354696e2391311db3841ae16c8c9f56f36a38e92.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1204 1352 WerFault.exe a196c6b8ffcb97ffb276d04f354696e2391311db3841ae16c8c9f56f36a38e92.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

WerFault.exe

pid process

1204 WerFault.exe
1204 WerFault.exe
1204 WerFault.exe
1204 WerFault.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 1204 WerFault.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	a196c6b8ffcb97ffb276d04f354696e2391311db3841ae16c8c9f56f36a38e92.exe

pid	pid_target	process	target process
1204	1352	WerFault.exe	a196c6b8ffcb97ffb276d04f354696e2391311db3841ae16c8c9f56f36a38e92.exe

pid	process
1204	WerFault.exe
1204	WerFault.exe
1204	WerFault.exe
1204	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	1204	WerFault.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

a196c6b8ffcb97ffb276d04f354696e2391311db3841ae16c8c9f56f36a38e92.exe

description	pid	process	target process
PID 1352 wrote to memory of 1204	1352	a196c6b8ffcb97ffb276d04f354696e2391311db3841ae16c8c9f56f36a38e92.exe	WerFault.exe
PID 1352 wrote to memory of 1204	1352	a196c6b8ffcb97ffb276d04f354696e2391311db3841ae16c8c9f56f36a38e92.exe	WerFault.exe
PID 1352 wrote to memory of 1204	1352	a196c6b8ffcb97ffb276d04f354696e2391311db3841ae16c8c9f56f36a38e92.exe	WerFault.exe
PID 1352 wrote to memory of 1204	1352	a196c6b8ffcb97ffb276d04f354696e2391311db3841ae16c8c9f56f36a38e92.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\a196c6b8ffcb97ffb276d04f354696e2391311db3841ae16c8c9f56f36a38e92.exe
"C:\Users\Admin\AppData\Local\Temp\a196c6b8ffcb97ffb276d04f354696e2391311db3841ae16c8c9f56f36a38e92.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of WriteProcessMemory
PID:1352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1352 -s 64
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1204

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Bootkit

T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1204-53-0x0000000000000000-mapping.dmp

Download
memory/1204-54-0x0000000075CE1000-0x0000000075CE3000-memory.dmp

Filesize
8KB

Download
memory/1204-55-0x0000000001EC0000-0x0000000001EC1000-memory.dmp

Filesize
4KB

Download