8870d706e08ddb73e16bb07a0eb813bd83bb512a6435b55841caf5a5df7907fa

Analysis

max time kernel
46s
max time network
51s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
19-09-2022 09:17

Target

8870d706e08ddb73e16bb07a0eb813bd83bb512a6435b55841caf5a5df7907fa.dll
Size

84KB
MD5

5ee340cd83fd65e07a3b3c340099f489
SHA1

966ed0bb8fd37e0df01d249446b1596b850da670
SHA256

8870d706e08ddb73e16bb07a0eb813bd83bb512a6435b55841caf5a5df7907fa
SHA512

099fa28e338f10e7c3d38bfaa2e5d48bf24f9be7b0ba80850011a068965575bb31f5d421bbf7492a805d90184731e2e395b71bbc4e20a1ebad15f762e41d4b79
SSDEEP

1536:JI6S0ezyD3LxH1OpE081GNUeAcAeezk15RrK:JI6SVyD3Lx4pE081GqcA4pr

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
1224	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1416 wrote to memory of 1224	1416	rundll32.exe	27
PID 1416 wrote to memory of 1224	1416	rundll32.exe	27
PID 1416 wrote to memory of 1224	1416	rundll32.exe	27
PID 1416 wrote to memory of 1224	1416	rundll32.exe	27
PID 1416 wrote to memory of 1224	1416	rundll32.exe	27
PID 1416 wrote to memory of 1224	1416	rundll32.exe	27
PID 1416 wrote to memory of 1224	1416	rundll32.exe	27

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8870d706e08ddb73e16bb07a0eb813bd83bb512a6435b55841caf5a5df7907fa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1416
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8870d706e08ddb73e16bb07a0eb813bd83bb512a6435b55841caf5a5df7907fa.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious behavior: EnumeratesProcesses
  PID:1224

Initial Access

Execution

Persistence

Bootkit

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/1224-55-0x0000000074DC1000-0x0000000074DC3000-memory.dmp

Filesize
8KB

Download
memory/1224-56-0x0000000000120000-0x000000000012A000-memory.dmp

Filesize
40KB

Download
memory/1224-58-0x0000000010000000-0x0000000010009000-memory.dmp

Filesize
36KB

Download
memory/1224-60-0x0000000000120000-0x000000000012A000-memory.dmp

Filesize
40KB

Download