a6bdbbe900462ceb9a9dd8129558776e424df545d6aed5e35a868d3a69a89932

Analysis

max time kernel
41s
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, 09:06

Target

a6bdbbe900462ceb9a9dd8129558776e424df545d6aed5e35a868d3a69a89932.dll
Size

68KB
MD5

51c0102faff8388a6210d30d87f5e7ef
SHA1

0b3370b36fb8160e29fc64fe947ca0aba8f35702
SHA256

a6bdbbe900462ceb9a9dd8129558776e424df545d6aed5e35a868d3a69a89932
SHA512

6e84bb4b0bcc7527880ec0d01ff03d9a15aba5f498a36d7aae87c03df3e486b6654a6d5b02ffc463d88d67eeb675c0ed1760b233a477817c057f95d4a8900f52
SSDEEP

1536:fV+Agn/xD1YZD9XPyqxMmG0cToBw5Nh1cbODN:fVRgn/xD1A9XPLKoBw5VN

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
2044	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 2044	1668	rundll32.exe	28
PID 1668 wrote to memory of 2044	1668	rundll32.exe	28
PID 1668 wrote to memory of 2044	1668	rundll32.exe	28
PID 1668 wrote to memory of 2044	1668	rundll32.exe	28
PID 1668 wrote to memory of 2044	1668	rundll32.exe	28
PID 1668 wrote to memory of 2044	1668	rundll32.exe	28
PID 1668 wrote to memory of 2044	1668	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6bdbbe900462ceb9a9dd8129558776e424df545d6aed5e35a868d3a69a89932.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1668
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6bdbbe900462ceb9a9dd8129558776e424df545d6aed5e35a868d3a69a89932.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious behavior: EnumeratesProcesses
  PID:2044

Initial Access

Execution

Persistence

Bootkit

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/2044-55-0x0000000076DC1000-0x0000000076DC3000-memory.dmp

Filesize
8KB

Download
memory/2044-56-0x00000000001A0000-0x00000000001AA000-memory.dmp

Filesize
40KB

Download
memory/2044-58-0x0000000010000000-0x0000000010009000-memory.dmp

Filesize
36KB

Download
memory/2044-60-0x0000000010000000-0x0000000010009000-memory.dmp

Filesize
36KB

Download
memory/2044-61-0x00000000001A0000-0x00000000001AA000-memory.dmp

Filesize
40KB

Download