66ade039cb8cba332bc00e7cf3b0315ff8f78417b0f44150fb1b657677cd2958

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07/09/2024, 07:19

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General

Target

RuntimeBrokerVers.exe
Size

13.1MB
MD5

197a1e583ca110d62ff0d47fdb966f75
SHA1

0a3e22480bbc64a62dcf2aff46b786c349eb5cf2
SHA256

66ade039cb8cba332bc00e7cf3b0315ff8f78417b0f44150fb1b657677cd2958
SHA512

adbc41fd702d842c61d007a4ade09358d628b64586c19d04769d0d47a3ca804f058865a7f8a435a2255a15da6d5219e9809f726e08b19b49fa71e54cb534180b
SSDEEP

196608:e4z5aWpRNf+IJs/WP6eOEXdb8F9JRGoUbH6pm+TeDN99EQRDcegSDm5YTW68iS0Q:/hpR0IJ9P6eO2dboBUs8+YLgzqCUxwS

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2732	RuntimeBroker.exe

Loads dropped DLL 2 IoCs

pid	Process
1924	RuntimeBrokerVers.exe
2732	RuntimeBroker.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 2732	1924	RuntimeBrokerVers.exe	30
PID 1924 wrote to memory of 2732	1924	RuntimeBrokerVers.exe	30
PID 1924 wrote to memory of 2732	1924	RuntimeBrokerVers.exe	30

C:\Users\Admin\AppData\Local\Temp\RuntimeBrokerVers.exe
"C:\Users\Admin\AppData\Local\Temp\RuntimeBrokerVers.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Users\Admin\AppData\Local\Temp\onefile_1924_133701671893614000\RuntimeBroker.exe
  "C:\Users\Admin\AppData\Local\Temp\RuntimeBrokerVers.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\onefile_1924_133701671893614000\python311.dll

Filesize
5.5MB

MD5
5a5dd7cad8028097842b0afef45bfbcf

SHA1
e247a2e460687c607253949c52ae2801ff35dc4a

SHA256
a811c7516f531f1515d10743ae78004dd627eba0dc2d3bc0d2e033b2722043ce

SHA512
e6268e4fad2ce3ef16b68298a57498e16f0262bf3531539ad013a66f72df471569f94c6fcc48154b7c3049a3ad15cbfcbb6345dacb4f4ed7d528c74d589c9858

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\Users\Admin\AppData\Local\Temp\onefile_1924_133701671893614000\RuntimeBroker.exe

Filesize
23.3MB

MD5
8530bcffbcd37c8a067297f082183876

SHA1
efb9be0f7eea1d791a5b0722b9f87f2836267857

SHA256
7ff988010d505d3f6b3dd98acade0421db0df53c93cab9d9c27779e956b3c597

SHA512
7de5b7da93a8a24240b1cdbbbb302c3080d89f26a13ef44c3164d2308abf8168b887a36e77a4b03bd0e4cdd9c5415e524a08509e0e5aa3d3e0add5dfe0fd27d3

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