19c631d05e365c3334e761a9be2280b12016a7bfa5dede76062234bc36fd6767

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
05/07/2024, 22:24

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General

Target
mvrSettings32.dll
Size 1.0MB
Sample240705-2be1pszend
SHA256 b7d3bc460a17e1b43c9ff09786e44ea4033710538bdb539400b55e5b80d0b338
MD5 d168f18b79f9f33690f011d1deb1e7cf
SHA1 cf0d984ce101ec274e65e88fae07daeb26de5a6d
SHA512 bbf085bcbc3c1c98caba95bdf48051bac18bbd1b7314c7bb55b56e3d423fb34758cc239c237091486cc466123bf02844eaac3b4435cb535af25dc2bca625af71
SSDEEP 12288:1wsE8YWuTCipwKm3ZCdX+y0Cg57ZrVmK5UhYX5NN/u3ZeEb+LJkguVl1Y1e:XIWuFKKVuig5jZ5xX5P2bKyguJf
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 5 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe
Key opened	\REGISTRY\MACHINE\hardware\description\system\centralProcessor\1	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString	rundll32.exe
Key opened	\REGISTRY\MACHINE\hardware\description\system\centralProcessor\2	rundll32.exe
Key opened	\REGISTRY\MACHINE\hardware\description\system\centralProcessor\0	rundll32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
804	rundll32.exe
804	rundll32.exe
804	rundll32.exe
804	rundll32.exe
804	rundll32.exe
804	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 804	2312	rundll32.exe	30
PID 2312 wrote to memory of 804	2312	rundll32.exe	30
PID 2312 wrote to memory of 804	2312	rundll32.exe	30
PID 2312 wrote to memory of 804	2312	rundll32.exe	30
PID 2312 wrote to memory of 804	2312	rundll32.exe	30
PID 2312 wrote to memory of 804	2312	rundll32.exe	30
PID 2312 wrote to memory of 804	2312	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\mvrSettings32.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\mvrSettings32.dll,#1
  2⤵
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

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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