2d947d7f4b1d9127bc62ad4568d999df09f882a4a45331db6cb55eea63d08397

Analysis

max time kernel
121s
max time network
127s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
02/08/2024, 03:28

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General

Target

$EXEDIR/RegOrganizerPortable/Data/HardwareConstant.dll
Size

233KB
MD5

15dce9995ad3f73d1bf7cb10c0e34934
SHA1

2fadcd56951e5cd2d6b9c7ab4c29f6af69359a50
SHA256

84ae829518ff4ab2044dd2f1680b44e0fc4ee643eae457fe8c33640a25f2a7b4
SHA512

8eccccd6375a00638413c9da4a50ab4a63ea62843f61d3e53d5e06fbf462a9327cae6485b1f3288e0085a47eb7cd72827286173f3155f9ded1921a2c0847724a
SSDEEP

3072:OFvBiZzoAG3P0oru3vfZWEYyDMt9qsRQSb7SrX+KDuq/0snX7OuaSjGyV66:yCzoAGFuf0E9DM/qsRDi8q/0sX6u7bf

Score

6^/10

bootkit discovery 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	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2092	2948	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 2948	1976	rundll32.exe	30
PID 1976 wrote to memory of 2948	1976	rundll32.exe	30
PID 1976 wrote to memory of 2948	1976	rundll32.exe	30
PID 1976 wrote to memory of 2948	1976	rundll32.exe	30
PID 1976 wrote to memory of 2948	1976	rundll32.exe	30
PID 1976 wrote to memory of 2948	1976	rundll32.exe	30
PID 1976 wrote to memory of 2948	1976	rundll32.exe	30
PID 2948 wrote to memory of 2092	2948	rundll32.exe	31
PID 2948 wrote to memory of 2092	2948	rundll32.exe	31
PID 2948 wrote to memory of 2092	2948	rundll32.exe	31
PID 2948 wrote to memory of 2092	2948	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$EXEDIR\RegOrganizerPortable\Data\HardwareConstant.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$EXEDIR\RegOrganizerPortable\Data\HardwareConstant.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2948
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 228
    3⤵
    - Program crash
    PID:2092

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

System Location Discovery

T1614

System Language Discovery

T1614.001

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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