376784dcecdde06277726880a47066d1b8c925e202854b5feadad3233dfa3710

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
28/03/2025, 17:24

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General

Target

376784dcecdde06277726880a47066d1b8c925e202854b5feadad3233dfa3710.dll
Size

482KB
MD5

88cf0a2c27cd1a9b49e7e08907c0ed7c
SHA1

f168902b7eb126f999283055f8d6c17ead0f7426
SHA256

376784dcecdde06277726880a47066d1b8c925e202854b5feadad3233dfa3710
SHA512

d216e5a6a4dde55c49b1d48b9eb725f56e02e6144723fa381b035bf2f9bb0fc69242a8cd56965fb9f437b86ea536fe70527610d8a1e181aaf48a23487e8382ac
SSDEEP

12288:G781CVzL11BXrpTgOYdhYAVNfCzdq26tsvXwUy6m:G7ZL1DXqFhlfCzo26tsvXG6m

Score

6^/10

bootkit discovery 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

T1542.003

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

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\1b0506	rundll32.exe
File created	C:\Windows\SysWOW64\-101-112019	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 2408	1688	rundll32.exe	30
PID 1688 wrote to memory of 2408	1688	rundll32.exe	30
PID 1688 wrote to memory of 2408	1688	rundll32.exe	30
PID 1688 wrote to memory of 2408	1688	rundll32.exe	30
PID 1688 wrote to memory of 2408	1688	rundll32.exe	30
PID 1688 wrote to memory of 2408	1688	rundll32.exe	30
PID 1688 wrote to memory of 2408	1688	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\376784dcecdde06277726880a47066d1b8c925e202854b5feadad3233dfa3710.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\376784dcecdde06277726880a47066d1b8c925e202854b5feadad3233dfa3710.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2408

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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