d2c13d9a31f16f369a1a5eacb1852f27c163d9a4328d6ff0e0a09b4a4cd78f4f

Analysis

max time kernel
38s
max time network
30s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
05/05/2023, 19:38

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General

Target

d2c13d9a31f16f369a1a5eacb1852f27c163d9a4328d6ff0e0a09b4a4cd78f4f.dll
Size

1.2MB
MD5

a05f1b98f25a4b7093093e3b65df9ab8
SHA1

8dec8bfd3f79729013d9169410857840d7795204
SHA256

d2c13d9a31f16f369a1a5eacb1852f27c163d9a4328d6ff0e0a09b4a4cd78f4f
SHA512

50ee7f8b67415074633aa11a46058de72127cc7170fb8138466e5e9ab8e2ca54400b3c232c17372d54e7865090e31a71e3517082971dab7ef14085af5715aad5
SSDEEP

24576:53Hgz8MmGQcoAnhFGs7G3izL8j7R9XG3r:RHjcrFGNyzu9Xm

Score

6^/10

bootkit persistence

Malware Config

Signatures

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

T1067

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
324	rundll32.exe
324	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	324	rundll32.exe
Token: SeShutdownPrivilege	324	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
324	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 908 wrote to memory of 324	908	rundll32.exe	27
PID 908 wrote to memory of 324	908	rundll32.exe	27
PID 908 wrote to memory of 324	908	rundll32.exe	27
PID 908 wrote to memory of 324	908	rundll32.exe	27
PID 908 wrote to memory of 324	908	rundll32.exe	27
PID 908 wrote to memory of 324	908	rundll32.exe	27
PID 908 wrote to memory of 324	908	rundll32.exe	27

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d2c13d9a31f16f369a1a5eacb1852f27c163d9a4328d6ff0e0a09b4a4cd78f4f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:908
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d2c13d9a31f16f369a1a5eacb1852f27c163d9a4328d6ff0e0a09b4a4cd78f4f.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:324

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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