caca2986b44c415fbad6b812d56fd675c9e1ac4b003cd7b669a6f19fd0a611b9

Analysis

max time kernel
42s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
11/10/2022, 05:15

Target

caca2986b44c415fbad6b812d56fd675c9e1ac4b003cd7b669a6f19fd0a611b9.dll
Size

80KB
MD5

4273a8bde1ac23a6b3e3effc8ae9c076
SHA1

fdffea79317796c92e88d4c017e599c061223fc6
SHA256

caca2986b44c415fbad6b812d56fd675c9e1ac4b003cd7b669a6f19fd0a611b9
SHA512

5f73988150cca4ef9a000e8e4e0f15d66323681f2810d1d182e2a071c44424a65cc71337d9f571045cbb056b449ee51135358431abc45e8b4c326c0254b49bf0
SSDEEP

1536:alizfx2+3Vx+Ii9x6XRhv8U0h7wBCNMSZHMvZ6VgEm0Mp:aliDYiMxYhPC7wBCNJHaagzJ

Score

6^/10

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

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	rundll32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
884	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1080 wrote to memory of 884	1080	rundll32.exe	28
PID 1080 wrote to memory of 884	1080	rundll32.exe	28
PID 1080 wrote to memory of 884	1080	rundll32.exe	28
PID 1080 wrote to memory of 884	1080	rundll32.exe	28
PID 1080 wrote to memory of 884	1080	rundll32.exe	28
PID 1080 wrote to memory of 884	1080	rundll32.exe	28
PID 1080 wrote to memory of 884	1080	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\caca2986b44c415fbad6b812d56fd675c9e1ac4b003cd7b669a6f19fd0a611b9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1080
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\caca2986b44c415fbad6b812d56fd675c9e1ac4b003cd7b669a6f19fd0a611b9.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious behavior: EnumeratesProcesses
  PID:884

Initial Access

Execution

Persistence

Bootkit

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/884-55-0x0000000076411000-0x0000000076413000-memory.dmp

Filesize
8KB

Download
memory/884-59-0x00000000000F0000-0x00000000000F9000-memory.dmp

Filesize
36KB

Download
memory/884-56-0x00000000000F0000-0x00000000000F9000-memory.dmp

Filesize
36KB

Download