a240c02ce1f8565048d1cb43a39b52ab2d4aa902d5f8301627f9a826829d4ad6

Analysis

max time kernel
42s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
02/10/2022, 15:02

Target

a240c02ce1f8565048d1cb43a39b52ab2d4aa902d5f8301627f9a826829d4ad6.dll
Size

104KB
MD5

6bb66a44f1fc83175b25c79f4befe707
SHA1

a6e4525102cc237debb09fb34bd39e64ae187299
SHA256

a240c02ce1f8565048d1cb43a39b52ab2d4aa902d5f8301627f9a826829d4ad6
SHA512

74f6668fa4b9655c072c2cf60f2cbed443db1297b3191c76b267a36df66ccbd37f8b325d9b8bf4a31440dd8f6274c3d43465ac6b04101a8b98ab538ab4ffec0b
SSDEEP

1536:2IijiRj2dW8fDntn7bJjVvhBGP5t15aEvfFkWGq6cjTA:2Wj2d37tHJjQP5tS2dkWGqzjTA

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
1912	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1340 wrote to memory of 1912	1340	rundll32.exe	28
PID 1340 wrote to memory of 1912	1340	rundll32.exe	28
PID 1340 wrote to memory of 1912	1340	rundll32.exe	28
PID 1340 wrote to memory of 1912	1340	rundll32.exe	28
PID 1340 wrote to memory of 1912	1340	rundll32.exe	28
PID 1340 wrote to memory of 1912	1340	rundll32.exe	28
PID 1340 wrote to memory of 1912	1340	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a240c02ce1f8565048d1cb43a39b52ab2d4aa902d5f8301627f9a826829d4ad6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1340
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a240c02ce1f8565048d1cb43a39b52ab2d4aa902d5f8301627f9a826829d4ad6.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious behavior: EnumeratesProcesses
  PID:1912

Initial Access

Execution

Persistence

Bootkit

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/1912-55-0x0000000076041000-0x0000000076043000-memory.dmp

Filesize
8KB

Download
memory/1912-56-0x0000000000120000-0x0000000000129000-memory.dmp

Filesize
36KB

Download
memory/1912-59-0x0000000000120000-0x0000000000129000-memory.dmp

Filesize
36KB

Download