efb0f928648e6988c29bb03bb6b14f2760870f3040f0195ca1c6ad8ac5fa2dee

Analysis

max time kernel
150s
max time network
43s
platform
windows7_x64
resource
win7-20220414-en
submitted
03/06/2022, 23:55

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General

Target

ransomito.exe
Size

2.1MB
MD5

f48a1057059028a65f2ec37e90d4deec
SHA1

ca8c5636aa98948c3b25153188b98967cc65a42b
SHA256

efb0f928648e6988c29bb03bb6b14f2760870f3040f0195ca1c6ad8ac5fa2dee
SHA512

57d62b07741effba928c92d39b5bd2dfc9c341b237ab1f83ba33e9cdba079a14bec1bbf63333b18f964e982bc510f615314f4426c258538e5be80f0a36c2b0a2

Score

8^/10

evasion ransomware

Malware Config

Signatures

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	ransomito.exe

Disables Task Manager via registry modification
evasion

Modifies extensions of user files 4 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\CompareCopy.tiff	ransomito.exe
File renamed	C:\Users\Admin\Pictures\CompareCopy.tiff => C:\Users\Admin\Pictures\CompareCopy.tiff.PAY2DECRYPTRLDwcYuR13f3VWL6crJ0rFV	ransomito.exe
File opened for modification	C:\Users\Admin\Pictures\OpenAssert.tiff	ransomito.exe
File renamed	C:\Users\Admin\Pictures\OpenAssert.tiff => C:\Users\Admin\Pictures\OpenAssert.tiff.PAY2DECRYPTRLDwcYuR13f3VWL6crJ0rFV	ransomito.exe

Drops desktop.ini file(s) 18 IoCs

description	ioc	Process
File created	C:\Users\Public\Documents\desktop.ini	ransomito.exe
File created	C:\Users\Public\Recorded TV\desktop.ini	ransomito.exe
File created	C:\Users\Public\Videos\desktop.ini	ransomito.exe
File created	C:\Users\Public\Recorded TV\Sample Media\desktop.ini	ransomito.exe
File created	C:\Users\Admin\Music\desktop.ini	ransomito.exe
File created	C:\Users\Public\desktop.ini	ransomito.exe
File created	C:\Users\Public\Downloads\desktop.ini	ransomito.exe
File created	C:\Users\Public\Pictures\Sample Pictures\desktop.ini	ransomito.exe
File created	C:\Users\Public\Videos\Sample Videos\desktop.ini	ransomito.exe
File created	C:\Users\Admin\Desktop\desktop.ini	ransomito.exe
File created	C:\Users\Admin\Downloads\desktop.ini	ransomito.exe
File created	C:\Users\Public\Desktop\desktop.ini	ransomito.exe
File created	C:\Users\Public\Libraries\desktop.ini	ransomito.exe
File created	C:\Users\Public\Pictures\desktop.ini	ransomito.exe
File created	C:\Users\Admin\Documents\desktop.ini	ransomito.exe
File created	C:\Users\Admin\Pictures\desktop.ini	ransomito.exe
File created	C:\Users\Public\Music\desktop.ini	ransomito.exe
File created	C:\Users\Public\Music\Sample Music\desktop.ini	ransomito.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

C:\Users\Admin\AppData\Local\Temp\ransomito.exe
"C:\Users\Admin\AppData\Local\Temp\ransomito.exe"
1⤵
- Disables RegEdit via registry modification
- Modifies extensions of user files
- Drops desktop.ini file(s)
PID:316

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Web Service

T1102

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Windows 7 deprecation

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