MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1f60998a8fd6324d85ffcd7a1dbc44e2e64b124dba6f293524dfc4e3096a87b. 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:	c1f60998a8fd6324d85ffcd7a1dbc44e2e64b124dba6f293524dfc4e3096a87b
SHA3-384 hash:	bf9bf6da58d377434ac61d18b91d2074f8b67ba9caac09f3efeee141d84d3fbf48222fb0fd594059b9af3d4e670dbd41
SHA1 hash:	d56236cfaf2be8d38a55e0a0834acd65eb28ba36
MD5 hash:	772a45d37cb1098c2d85af27537a44c6
humanhash:	purple-helium-seventeen-table
File name:	772a45d37cb1098c2d85af27537a44c6.exe
Download:	download sample
Signature	Tofsee Create hunting rule
File size:	276'992 bytes
First seen:	2021-10-01 04:46:30 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	5ec7f7aedfe92c1b2393798c6fa1e0e0 (9 x RaccoonStealer, 3 x RedLineStealer, 2 x ArkeiStealer)
ssdeep	6144:RLkqVPj2bO8H5qJL6oZOOhxxdeTr/ekI:bj2baL6odzxd6L
Threatray	4'841 similar samples on MalwareBazaar
TLSH	T1D2449D0A7682CFF2D57101F1AB46C7E1492DBD7C4D27B64F3B88361E7E7D2A19A21242
File icon (PE):
dhash icon	4839b234e8c38890 (121 x RaccoonStealer, 54 x RedLineStealer, 51 x ArkeiStealer)
Reporter	abuse_ch
Tags:	exe Tofsee

abuse_ch

Tofsee C2:
http://94.158.245.135/

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
http://94.158.245.135/	https://threatfox.abuse.ch/ioc/229045/
188.72.208.174:38430	https://threatfox.abuse.ch/ioc/229066/

Intelligence

File Origin

# of uploads :

# of downloads :

790

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

772a45d37cb1098c2d85af27537a44c6.exe

Verdict:

Suspicious activity

Analysis date:

2021-10-01 04:47:41 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/2ecfe34e-a805-4db5-84d4-bfcb3a6f528d

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/193847/

Result

Verdict:

Clean

Maliciousness:

Behaviour

Creating a window

Unauthorized injection to a recently created process

Malware family:

Malicious Packer

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/af609789-8fd5-4baf-9f6b-41e250fe95f4

Result

Threat name:

Raccoon RedLine SmokeLoader Tofsee

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/862456

Signature

.NET source code contains very large array initializations

.NET source code references suspicious native API functions

Antivirus detection for URL or domain

Benign windows process drops PE files

Changes security center settings (notifications, updates, antivirus, firewall)

Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))

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

Contains functionality to hide a thread from the debugger

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)

Detected unpacking (overwrites its own PE header)

DLL side loading technique detected

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 sample

Maps a DLL or memory area into another process

Multi AV Scanner detection for domain / URL

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

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 harvest and steal browser information (history, passwords, etc)

Uses known network protocols on non-standard ports

Yara detected AntiVM3

Yara detected Raccoon Stealer

Yara detected RedLine Stealer

Yara detected SmokeLoader

Yara detected Tofsee

Yara detected UAC Bypass using CMSTP

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/c1f60998a8fd6324d85ffcd7a1dbc44e2e64b124dba6f293524dfc4e3096a87b/

Threat name:

Win32.Ransomware.StopCrypt

Status:

Malicious

First seen:

2021-10-01 04:47:18 UTC

AV detection:

13 of 45 (28.89%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=yh3atgfi7vrsjwc77tl2dw6ejyxgjmje3otpfe2sjx6e4mewvb5q._file

Verdict:

malicious

Result

Malware family:

xmrig

Score:

10/10

Tags:

family:raccoon family:redline family:smokeloader family:tofsee family:xmrig botnet:114кk botnet:5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4 botnet:r backdoor discovery evasion infostealer miner persistence spyware stealer themida trojan

Link:

https://tria.ge/reports/211001-fejmeaagf6/

Behaviour

Suspicious use of WriteProcessMemory

Suspicious use of SendNotifyMessage

Suspicious use of FindShellTrayWindow

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: MapViewOfSection

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: EnumeratesProcesses

Modifies data under HKEY_USERS

Delays execution with timeout.exe

Checks SCSI registry key(s)

Program crash

Enumerates physical storage devices

Launches sc.exe

Drops file in Windows directory

Suspicious use of SetThreadContext

Suspicious use of NtSetInformationThreadHideFromDebugger

Drops file in System32 directory

Checks whether UAC is enabled

Checks installed software on the system

Accesses cryptocurrency files/wallets, possible credential harvesting

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Themida packer

Windows security modification

Loads dropped DLL

Deletes itself

Checks BIOS information in registry

Sets service image path in registry

Modifies Windows Firewall

Executes dropped EXE

Downloads MZ/PE file

Creates new service(s)

XMRig Miner Payload

Nirsoft

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

xmrig

Windows security bypass

Turns off Windows Defender SpyNet reporting

Tofsee

SmokeLoader

RedLine Payload

RedLine

Raccoon

Modifies Windows Defender Real-time Protection settings

Malware Config

C2 Extraction:

http://fiskahlilian16.top/
http://paishancho17.top/
http://ydiannetter18.top/
http://azarehanelle19.top/
http://quericeriant20.top/
188.72.208.174:38430
193.56.146.60:18243