MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6232bd70528f163b7aa8e8d76f6c4e63a0660eb112eabf2cc1859cc9e83ca755. 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: 12

Intelligence 12 IOCs 1 YARA File information Comments

SHA256 hash:	6232bd70528f163b7aa8e8d76f6c4e63a0660eb112eabf2cc1859cc9e83ca755
SHA3-384 hash:	ebdf51a263f09f79ee428023f7421725370509634b74bae85db7fd90e7e89e96e2be74e064422b3b699398f50c4dc4a5
SHA1 hash:	31b971c5c8f2d4d2f3e1c782d6d132816ee05925
MD5 hash:	937adda18553ee39e3916af2469f66e0
humanhash:	july-seventeen-batman-earth
File name:	937adda18553ee39e3916af2469f66e0.exe
Download:	download sample
Signature	Tofsee Create hunting rule
File size:	122'880 bytes
First seen:	2021-09-23 15:11:21 UTC
Last seen:	2021-09-23 16:10:54 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f7987bf55fcab080da60dcb9686a7f63 (9 x RedLineStealer, 3 x RaccoonStealer, 2 x Tofsee)
ssdeep	1536:FYZvshZQZaPBM/wyWntJi7S7rskCXbCKVkz55csC+pVZWIeVMaU+x0n:2kbQD/wyeJimrqrnkz55l3Wp4
Threatray	2'864 similar samples on MalwareBazaar
TLSH	T112C39D117AF1C036E2E34E359974C6915A3FF8722B75454FFA65E37A8E312E08A26313
File icon (PE):
dhash icon	1072c293b0381906 (17 x RedLineStealer, 5 x Stop, 4 x DanaBot)
Reporter	abuse_ch
Tags:	exe Tofsee

abuse_ch

Tofsee C2:
http://185.163.204.36/

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
http://185.163.204.36/	https://threatfox.abuse.ch/ioc/225650/

Intelligence

File Origin

# of uploads :

# of downloads :

709

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

937adda18553ee39e3916af2469f66e0.exe

Verdict:

Suspicious activity

Analysis date:

2021-09-23 15:11:53 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/7e3aa737-5d96-4009-80c4-6dfc5e99825a

Note:

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

Detection:

Sharik

Link:

https://www.capesandbox.com/analysis/190823/

Detection(s):

SecuriteInfo.com.W32.AIDetect.malware1.31518.96.UNOFFICIAL

Malware family:

Generic Malware

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/3f8209bf-abd0-45c5-8b56-9908597edcb2

Result

Threat name:

Raccoon RedLine SmokeLoader Tofsee

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/856650

Signature

.NET source code contains method to dynamically call methods (often used by packers)

.NET source code contains potential unpacker

.NET source code contains very large array initializations

.NET source code references suspicious native API functions

Antivirus detection for dropped file

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 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

Malicious sample detected (through community Yara rule)

Maps a DLL or memory area into another process

May check the online IP address of the machine

Modifies the windows firewall

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

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 evade analysis by execution special instruction which cause usermode exception

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:

raccoon

Link:

https://mwdb.cert.pl/sample/6232bd70528f163b7aa8e8d76f6c4e63a0660eb112eabf2cc1859cc9e83ca755/

Threat name:

Win32.Backdoor.Tofsee

Status:

Malicious

First seen:

2021-09-23 14:31:13 UTC

AV detection:

19 of 27 (70.37%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=mizl24csr4ldw6vi5dlw63comoqgmdvrclvl6lgbqwomt2b4u5kq._file

Verdict:

malicious

Label(s):

raccoon

Result

Malware family:

xmrig

Score:

10/10

Tags:

family:cobaltstrike family:raccoon family:redline family:smokeloader family:tofsee family:xmrig botnet:426352781 botnet:5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4 botnet:anal88 botnet:d516cf740320bfbfa83b3decf9e577d0d4f644e2 botnet:ohio botnet:qq botnet:uralogi backdoor discovery evasion infostealer miner persistence spyware stealer themida trojan

Link:

https://tria.ge/reports/210923-sk7bwaege3/

Behaviour

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious use of SendNotifyMessage

Suspicious use of FindShellTrayWindow

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: MapViewOfSection

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: EnumeratesProcesses

Modifies registry class

Modifies data under HKEY_USERS

Delays execution with timeout.exe

Creates scheduled task(s)

Checks SCSI registry key(s)

Enumerates physical storage devices

Launches sc.exe

Drops file in Windows directory

Drops file in Program Files directory

Suspicious use of SetThreadContext

Suspicious use of NtSetInformationThreadHideFromDebugger

Drops file in System32 directory

Accesses cryptocurrency files/wallets, possible credential harvesting

Adds Run key to start application

Checks installed software on the system

Checks whether UAC is enabled

Looks up external IP address via web service

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Themida packer

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

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

.NET Reactor proctector

xmrig

Windows security bypass

Tofsee

SmokeLoader

RedLine Payload

RedLine

Raccoon

Process spawned unexpected child process

Modifies WinLogon for persistence

Cobaltstrike

Malware Config

C2 Extraction:

http://hamilaharr6.top/
http://bartanayane7.top/
http://zesiahavie8.top/
http://hancarlenei9.top/
http://samillavakiv10.top/
http://feryleromand11.top/
http://ubrianella12.top/
http://hepryceeaaa13.top/
http://viahalexandy14.top/
http://wenataliana15.top/
135.181.142.223:30397
94.26.249.88:23619
45.67.231.145:10991
http://00000077.0x0000000fa35b4:845/produce/subscribe/2DOC08VNCJ6
2.56.212.71:3444