3a7302efdb5de0331c4f81d5dc42b5bc32bd4ebe0594b84110b86665e86cbdc8

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 05:20

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General

Target

078783d6fd6b2b166f7b92dcb5d04623.dll
Size

156KB
MD5

078783d6fd6b2b166f7b92dcb5d04623
SHA1

e71e9257dd3b6f4019a8abdeedcaf803fc528f71
SHA256

3a7302efdb5de0331c4f81d5dc42b5bc32bd4ebe0594b84110b86665e86cbdc8
SHA512

13f3d7e482b4c69b54d05c2da92c73cd2032b9bd1bb454bf80c52868d11b1d04f583ff159b5dd9c4296763f463b048c117a42fdc7fd588675f36daccf6cf2fab
SSDEEP

3072:b3Sj5cB6MxknJlz78AC7OJv1UJkQtSzEz2RUf9oUD+JDqoroEbAjRYXnL:rSexk3NU6lAz2RoyJVSjRYXL

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
2056	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 2056	3028	rundll32.exe	16
PID 3028 wrote to memory of 2056	3028	rundll32.exe	16
PID 3028 wrote to memory of 2056	3028	rundll32.exe	16
PID 3028 wrote to memory of 2056	3028	rundll32.exe	16
PID 3028 wrote to memory of 2056	3028	rundll32.exe	16
PID 3028 wrote to memory of 2056	3028	rundll32.exe	16
PID 3028 wrote to memory of 2056	3028	rundll32.exe	16

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\078783d6fd6b2b166f7b92dcb5d04623.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\078783d6fd6b2b166f7b92dcb5d04623.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious behavior: EnumeratesProcesses
  PID:2056

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/2056-3-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/2056-1-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/2056-0-0x0000000000150000-0x000000000015C000-memory.dmp

Filesize
48KB

Download
memory/2056-5-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download