132b039f06e1bac89e930a443da4b10f515a72e946274dfa57003a852b112587

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
12/07/2024, 17:09

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General

Target

$R0.exe
Size

3.0MB
MD5

202f948151cd7738196cabfac6866829
SHA1

d330ab04076fc628d74919da02a21040df8a9683
SHA256

07558bed88e2a291c6b2dfad6e538a114b344b95bdba46d21a96c3eb79f8b2c9
SHA512

698d1c561e56b0102bc4538ae69d47de636348ec3cab90f6572a309b9b12199927cc595b38a5db3101e1024fe594a7ba805b50327c46281a28cd02824055f09c
SSDEEP

49152:Spul+gUMSUQGNkyzKiIImN8uh8A/nRJHV2AAPUo4M:r67GNkyzKp8uh8gn/1qP9z

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

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	$R0.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2824	2092	WerFault.exe	29

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2092	$R0.exe
2092	$R0.exe
2092	$R0.exe
2092	$R0.exe
2092	$R0.exe
2092	$R0.exe
2092	$R0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2092	$R0.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2092	$R0.exe
2092	$R0.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 2824	2092	$R0.exe	30
PID 2092 wrote to memory of 2824	2092	$R0.exe	30
PID 2092 wrote to memory of 2824	2092	$R0.exe	30
PID 2092 wrote to memory of 2824	2092	$R0.exe	30

C:\Users\Admin\AppData\Local\Temp\$R0.exe
"C:\Users\Admin\AppData\Local\Temp\$R0.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2092 -s 1288
  2⤵
  - Program crash
  PID:2824

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2092-0-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/2092-4-0x00000000765A4000-0x00000000765A5000-memory.dmp

Filesize
4KB

Download
memory/2092-7-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/2092-8-0x0000000076590000-0x00000000766A0000-memory.dmp

Filesize
1.1MB

Download
memory/2092-9-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/2092-24-0x0000000076590000-0x00000000766A0000-memory.dmp

Filesize
1.1MB

Download