MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b523dcf37ede2914d3642c04abc3c336bf89fd0590a393fd11f28985e267720. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry

Tofsee

Vendor detections: 9

Intelligence 9 IOCs 2 YARA File information Comments

SHA256 hash:	2b523dcf37ede2914d3642c04abc3c336bf89fd0590a393fd11f28985e267720
SHA3-384 hash:	2f4d30530a9c883645e51ea686241095a3d9f2c633980eaac27cc26f8256da1e080d105054fea372b1f7ddde69e308d1
SHA1 hash:	2841fa4522a009bf1c060495c92518f89583a565
MD5 hash:	718a18fe80b17f1eb95727e603a39364
humanhash:	carpet-ack-michigan-fruit
File name:	718a18fe80b17f1eb95727e603a39364.exe
Download:	download sample
Signature	Tofsee Create hunting rule
File size:	292'864 bytes
First seen:	2021-09-28 05:36:52 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f43d32468f3d02d6bc45f98f703cafd2 (4 x ArkeiStealer, 2 x RaccoonStealer, 2 x RedLineStealer)
ssdeep	3072:Pau38GobeSzWzZOOUrVX4Gobk44LNSuG0AyojeT4xUxq4oUqBNiwo/6RnigGB:iusfbeS1p4nY5LNlT4xUxqBUeU/6
Threatray	1'777 similar samples on MalwareBazaar
TLSH	T152549E20B7E0C034F1B716F949B9D3B8A92D7AB1AB2491CF63D51AE916346E4DC30397
File icon (PE):
dhash icon	ead8ac9cc6e68ee0 (118 x RaccoonStealer, 102 x RedLineStealer, 46 x Smoke Loader)
Reporter	abuse_ch
Tags:	exe Tofsee

abuse_ch

Tofsee C2:
185.92.74.142:80

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOC	ThreatFox Reference
185.92.74.142:80	https://threatfox.abuse.ch/ioc/227056/
http://185.138.164.150/	https://threatfox.abuse.ch/ioc/227268/

Intelligence

File Origin

# of uploads :

# of downloads :

750

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

718a18fe80b17f1eb95727e603a39364.exe

Verdict:

Suspicious activity

Analysis date:

2021-09-28 05:38:17 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/9cb85147-61d5-40b1-a10f-d8a3d6ff96f8

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/192317/

Detection(s):

Win.Ransomware.Ulise-9897604-0

Result

Verdict:

Clean

Maliciousness:

Behaviour

Creating a window

Unauthorized injection to a recently created process

Malware family:

Generic Malware

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/affec024-c98e-41a3-984b-5118526afa8e

Result

Threat name:

Raccoon RedLine SmokeLoader Tofsee

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/859499

Signature

.NET source code contains very large array initializations

.NET source code references suspicious native API functions

Antivirus detection for dropped file

Antivirus detection for URL or domain

Benign windows process drops PE files

Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))

Checks if the current machine is a virtual machine (disk enumeration)

Connects to many ports of the same IP (likely port scanning)

Contains functionality to inject code into remote processes

Creates a thread in another existing process (thread injection)

Deletes itself after installation

Detected unpacking (changes PE section rights)

Found many strings related to Crypto-Wallets (likely being stolen)

Hides that the sample has been downloaded from the Internet (zone.identifier)

Hides threads from debuggers

Injects a PE file into a foreign processes

Machine Learning detection for dropped file

Machine Learning detection for sample

Maps a DLL or memory area into another process

Modifies the windows firewall

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

PE file contains section with special chars

Query firmware table information (likely to detect VMs)

Sigma detected: Copying Sensitive Files with Credential Data

Sigma detected: Suspect Svchost Activity

Sigma detected: Suspicious Svchost Process

Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)

System process connects to network (likely due to code injection or exploit)

Tries to detect sandboxes / dynamic malware analysis system (registry check)

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Tries to detect sandboxes and other dynamic analysis tools (window names)

Tries to detect virtualization through RDTSC time measurements

Uses known network protocols on non-standard ports

Uses netsh to modify the Windows network and firewall settings

Yara detected Raccoon Stealer

Yara detected RedLine Stealer

Yara detected SmokeLoader

Yara detected Tofsee

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/2b523dcf37ede2914d3642c04abc3c336bf89fd0590a393fd11f28985e267720/

Threat name:

Win32.Ransomware.StopCrypt

Status:

Malicious

First seen:

2021-09-28 03:23:46 UTC

AV detection:

19 of 45 (42.22%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=fnjd3tzx5xrjctjwilaevpb4gnv7rh6qlefdsp6rd4ujqxrgo4qa._file

Verdict:

malicious

Result

Malware family:

xmrig

Score:

10/10

Tags:

family:arkei family:raccoon family:redline family:smokeloader family:tofsee family:xmrig botnet:5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4 botnet:a72c96f6762e4258a13dee8bc0dd14557df18467 botnet:payper botnet:z0rm1onbuild agilenet backdoor discovery evasion infostealer miner persistence spyware stealer themida trojan

Link:

https://tria.ge/reports/210928-ga7zwaafe3/

Behaviour

Checks SCSI registry key(s)

Delays execution with timeout.exe

Modifies data under HKEY_USERS

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Launches sc.exe

Drops file in System32 directory

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Checks whether UAC is enabled

Checks BIOS information in registry

Deletes itself

Loads dropped DLL

Obfuscated with Agile.Net obfuscator

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Themida packer

Creates new service(s)

Downloads MZ/PE file

Executes dropped EXE

Modifies Windows Firewall

Sets service image path in registry

Arkei Stealer Payload

Identifies VirtualBox via ACPI registry values (likely anti-VM)

XMRig Miner Payload

Arkei

Raccoon

RedLine

RedLine Payload

SmokeLoader

Tofsee

Windows security bypass

xmrig

Malware Config

C2 Extraction:

http://naghenrietti1.top/
http://kimballiett2.top/
http://xadriettany3.top/
http://jebeccallis4.top/
http://nityanneron5.top/
http://umayaniela6.top/
http://lynettaram7.top/
http://sadineyalas8.top/
http://geenaldencia9.top/
http://aradysiusep10.top/
185.215.113.216:23998
45.156.21.209:56326
92.246.89.6:38437