MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77f6a304c9f641f5c2bb23f1071a28518532f08ecf6aaf99133dfcc89491bcd8. 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


Stop


Vendor detections: 13


Intelligence 13 IOCs 1 YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 77f6a304c9f641f5c2bb23f1071a28518532f08ecf6aaf99133dfcc89491bcd8
SHA3-384 hash: 8d52f4084219caf1d3f5d8c3b792b1694ca18057818d46e75a0a2e89b1d55b2d8f997438c2fba2b8d4e73e6e42ec4d0e
SHA1 hash: 0e11e3f578c5271423bb9ace237fb2bebe496444
MD5 hash: 5564c4680da43fb5501cd028b43531f5
humanhash: pasta-south-harry-lithium
File name:5564c4680da43fb5501cd028b43531f5.exe
Download: download sample
Signature Stop
Create hunting rule
File size:747'520 bytes
First seen:2022-10-11 14:20:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 59de72f24710a4ab3ca7e4fa2f0a3bf4 (3 x RedLineStealer, 3 x ArkeiStealer, 2 x Smoke Loader)
ssdeep 12288:r2V9envgvHStv9oN66C8trmyWq8NZ15kaf7y0ujTQfNcsWXjvQWuODDJ:r2GmStv9oNRPr9W3yVnQF6XjvQCJ
Threatray 2'136 similar samples on MalwareBazaar
TLSH T1C1F4121232C1C473D26215328D24D6B5AA7AF92869B297873BCE12AD4F357C3BE35347
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 9a9acadecee6eaee (98 x Smoke Loader, 33 x RedLineStealer, 24 x ArkeiStealer)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://195.201.251.151/

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://195.201.251.151/ https://threatfox.abuse.ch/ioc/876971/

Intelligence

File Origin
# of uploads :
1
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/318983/
Detection(s):
Win.Packed.Dropperx-9973281-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Сreating synchronization primitives
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm greyware packed
Link:
https://www.filescan.io/uploads/63457bd233e66132ed02ada1/reports/e56e4c8d-9398-484b-9182-40e6edf3254a/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
STOP Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/78d2fe65-ee37-469f-a329-22fd7be39f09
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1088109
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found ransom note / readme
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)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Snort IDS alert for network traffic
Writes a notice file (html or txt) to demand a ransom
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 720701 Sample: mhziEhZRBm.exe Startdate: 11/10/2022 Architecture: WINDOWS Score: 100 58 Snort IDS alert for network traffic 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Antivirus detection for URL or domain 2->62 64 5 other signatures 2->64 8 mhziEhZRBm.exe 2->8         started        11 mhziEhZRBm.exe 2->11         started        13 mhziEhZRBm.exe 2->13         started        15 mhziEhZRBm.exe 2->15         started        process3 signatures4 68 Injects a PE file into a foreign processes 8->68 17 mhziEhZRBm.exe 19 8->17         started        70 Multi AV Scanner detection for dropped file 11->70 72 Machine Learning detection for dropped file 11->72 74 Writes a notice file (html or txt) to demand a ransom 11->74 22 mhziEhZRBm.exe 12 11->22         started        24 mhziEhZRBm.exe 1 16 13->24         started        76 Sample uses process hollowing technique 15->76 26 mhziEhZRBm.exe 12 15->26         started        28 conhost.exe 15->28         started        process5 dnsIp6 50 winnlinne.com 187.212.210.12, 49708, 80 UninetSAdeCVMX Mexico 17->50 38 C:\Users\user\_readme.txt, ASCII 17->38 dropped 40 C:\Users\user\...\mhziEhZRBm.exe.tohj (copy), MS-DOS 17->40 dropped 42 C:\Users\user\Desktop\mhziEhZRBm.exe, MS-DOS 17->42 dropped 48 4 other malicious files 17->48 dropped 66 Modifies existing user documents (likely ransomware behavior) 17->66 52 api.2ip.ua 162.0.217.254, 443, 49701, 49704 ACPCA Canada 24->52 44 C:\Users\user\AppData\...\mhziEhZRBm.exe, PE32 24->44 dropped 46 C:\Users\...\mhziEhZRBm.exe:Zone.Identifier, ASCII 24->46 dropped 30 mhziEhZRBm.exe 24->30         started        33 icacls.exe 24->33         started        file7 signatures8 process9 signatures10 78 Injects a PE file into a foreign processes 30->78 35 mhziEhZRBm.exe 12 30->35         started        process11 dnsIp12 54 192.168.2.1 unknown unknown 35->54 56 api.2ip.ua 35->56
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/77f6a304c9f641f5c2bb23f1071a28518532f08ecf6aaf99133dfcc89491bcd8/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2022-10-11 13:10:10 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=o73kgbgj6za7lqv3epyqogrikgctf4eoz5vk7githx6mrferxtma._file
Verdict:
malicious
Similar samples:
009ca3b15cd8828907e5d4fcf644f61da091a6572ff853ad1822a355e9f19b4a
Stop
0336cc8aff0e4974ede9e8901abeb10f836d50619cef1cb59aa41b447cea1ca5
Stop
0ccac18254c546a23b18278a2f651ba12dc71737370bcea67296a5dfcc091c03
Stop
2b3d53741c47047984c5eccbf99404e8ef7ec1c25267956f9663c18adf11b3e0
Stop
3a5f31399bed412a2b4c2e4a02630ff97d0f3ce1049271de70df1bd88d7e3ef5
Stop
f225dfd553d16fe8a79192bab77ddda192572a0bca4a8d9c0e6144268c8f605c
Stop
f4fbc06c3470e09decdd7aaaf248188cab8400f70065c5d55becd8c804a57d82
Stop
+ 2'126 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:517 discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/221011-rnzkrshef7/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Checks computer location settings
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
http://winnlinne.com/test1/get.php
https://t.me/truewallets
https://mas.to/@zara99
http://116.203.10.3:80
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/52308b3a-21c8-4eff-8f81-4e8ce08c14e5
Unpacked files
SH256 hash:
fcafaf8767d90b1363d630ad143fa20e0e0b1d15a05b76246e9e80fc67c0fd6a
MD5 hash:
065efd16f32358304b7b56b50e3c3fab
SHA1 hash:
68b2fb124bab767e3dc322e55694bdcab4ed3244
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/8f396c7e-196e-483b-8b09-598e5f353990/
Parent samples :
1ab5a24ccad1f77bc4a9c00c32671d19d8350d47bc8408693dbdbd3f30ea3bdd
77f6a304c9f641f5c2bb23f1071a28518532f08ecf6aaf99133dfcc89491bcd8
81cd576957b4b67e51a30ba43175d761d4ba32729a0db5622661c169d4a70cf8
SH256 hash:
77f6a304c9f641f5c2bb23f1071a28518532f08ecf6aaf99133dfcc89491bcd8
MD5 hash:
5564c4680da43fb5501cd028b43531f5
SHA1 hash:
0e11e3f578c5271423bb9ace237fb2bebe496444
Link:
https://www.unpac.me/results/8f396c7e-196e-483b-8b09-598e5f353990/
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/77f6a304c9f6/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/77f6a304c9f641f5c2bb23f1071a28518532f08ecf6aaf99133dfcc89491bcd8

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:MALWARE_Win_STOP
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:Vidar
Create hunting rule
Author:kevoreilly,rony
Description:Vidar Payload
Rule name:win_stop_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stop.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Stop

Executable exe 77f6a304c9f641f5c2bb23f1071a28518532f08ecf6aaf99133dfcc89491bcd8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2261244/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/318983/

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