1b3116cec1a604d095a3258cb63e3276b1e4e359cce00210d7f67bc8efb31d84

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29-01-2024 01:49

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General

Target

7e8fe29a1e36bef4c9d931ba9364729c.dll
Size

84KB
MD5

7e8fe29a1e36bef4c9d931ba9364729c
SHA1

68ac776da49eadfc4e86388fe83999429359486b
SHA256

1b3116cec1a604d095a3258cb63e3276b1e4e359cce00210d7f67bc8efb31d84
SHA512

63391e1a4daf93d358f91216873e0d46d5fb1b4c2c7a4a548cf1bfee9b94a6102c3789e17f72779de461dec3bdc33d99bb221d570c0f9e61fb3aa3e082ea06e0
SSDEEP

1536:6IRzan4ZNxzxRWlqAP3LhlYbqRzcDrenLN5Xwll6bUIKwBeYL2:5Rw4ZNxzDU39WbqJcv8TXBgVwB5L

Score

6^/10

bootkit discovery persistence

Malware Config

Signatures

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

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

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3048	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 3048	3004	rundll32.exe	28
PID 3004 wrote to memory of 3048	3004	rundll32.exe	28
PID 3004 wrote to memory of 3048	3004	rundll32.exe	28
PID 3004 wrote to memory of 3048	3004	rundll32.exe	28
PID 3004 wrote to memory of 3048	3004	rundll32.exe	28
PID 3004 wrote to memory of 3048	3004	rundll32.exe	28
PID 3004 wrote to memory of 3048	3004	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7e8fe29a1e36bef4c9d931ba9364729c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7e8fe29a1e36bef4c9d931ba9364729c.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious behavior: EnumeratesProcesses
  PID:3048

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

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3048-0-0x00000000001E0000-0x00000000001E9000-memory.dmp

Filesize
36KB

Download
memory/3048-3-0x00000000001E0000-0x00000000001E9000-memory.dmp

Filesize
36KB

Download