9127560918eaefe69f1959bcb7f7e13b7e3a7ac156b564922829faaec9b96f67

Analysis

max time kernel
21s
max time network
118s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-03-2024 10:05

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General

Target

salinewin/Release/salinewin.exe
Size

283KB
MD5

2b1e9226d7e1015552a21faca891ec41
SHA1

f87fcbe10fa9312048214d4473498ad4f9f331ce
SHA256

7163fefbf2f865ef78a2d3d4480532fffb979300d6f0a77b6f3fc5c4b0d2cada
SHA512

1852f6d05c9fca962178bc190bc8c90f0ca54ea99714480690f44417e49eee6c392579091ae8a6cd053ec47ad1980dbbbc0db3e0e00520ee1bdbadbf8dc9d69e
SSDEEP

3072:HZVUJ58IAelkapH3shY6iEwgaBZP5pHQpYR95WPNpNMl3:nUJ5PzB5ZPPHQpY35WPNpGl3

Score

8^/10

bootkit evasion persistence

Malware Config

Signatures

Disables Task Manager via registry modification
evasion

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	salinewin.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1232	reg.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 2508	2176	salinewin.exe	28
PID 2176 wrote to memory of 2508	2176	salinewin.exe	28
PID 2176 wrote to memory of 2508	2176	salinewin.exe	28
PID 2176 wrote to memory of 2508	2176	salinewin.exe	28
PID 2508 wrote to memory of 1232	2508	cmd.exe	30
PID 2508 wrote to memory of 1232	2508	cmd.exe	30
PID 2508 wrote to memory of 1232	2508	cmd.exe	30
PID 2508 wrote to memory of 1232	2508	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\salinewin\Release\salinewin.exe
"C:\Users\Admin\AppData\Local\Temp\salinewin\Release\salinewin.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c REG ADD hkcu\Software\Microsoft\Windows\CurrentVersion\policies\system /v DisableTaskMgr /t reg_dword /d 1 /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2508
- - C:\Windows\SysWOW64\reg.exe
    REG ADD hkcu\Software\Microsoft\Windows\CurrentVersion\policies\system /v DisableTaskMgr /t reg_dword /d 1 /f
    3⤵
    - Modifies registry key
    PID:1232

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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