85daadd805ef623fa4ea0a0a4fd812c8c7de0731988650535d39b0a4d0d45b36

Analysis

max time kernel
85s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2022 18:47

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General

Target

RobloxSigmaInjector.exe
Size

2.8MB
MD5

635732063b1aaafbc53ca6dd24e84a35
SHA1

36422c3c3f78273a05259dc58a4b92fd8acf94d5
SHA256

85daadd805ef623fa4ea0a0a4fd812c8c7de0731988650535d39b0a4d0d45b36
SHA512

4ad02f52428fa97ecd1de65c68f6e0928a6e92051b41fd4572677f72f5f37aa1899ac3e7d08c819ee23ca24de6cebb74debe55201c0801a12b490e1653e16c2e
SSDEEP

24576:L6RFNe8oLhqL2MbTX+i3PYHEAESmmHraigY1i+Ec0xMk58UsU3Aox3WNuyE6k5:WDNedLhqLdsSmL91Q3WNuyE6k5

Score

8^/10

evasion

Malware Config

Signatures

Downloads MZ/PE file

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools	RobloxSigmaInjector.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	RobloxSigmaInjector.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 632 wrote to memory of 2344	632	RobloxSigmaInjector.exe	86
PID 632 wrote to memory of 2344	632	RobloxSigmaInjector.exe	86

C:\Users\Admin\AppData\Local\Temp\RobloxSigmaInjector.exe
"C:\Users\Admin\AppData\Local\Temp\RobloxSigmaInjector.exe"
1⤵
- Looks for VMWare Tools registry key
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:632
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe"
  2⤵
  PID:2344

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

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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Downloads