MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f41d76509762bdd3eea0873e008686e218226693dd8e5cd7c9b7e2afdc78a39. 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: 12


Intelligence 12 IOCs 1 YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9f41d76509762bdd3eea0873e008686e218226693dd8e5cd7c9b7e2afdc78a39
SHA3-384 hash: 26188d67fb262c527abfacfb62f19547a8d690103a4713be76b3ae2ddf52ae5d16128bba84c626ca608b19f9832ada64
SHA1 hash: ad8dfa7a330a620691bdcc4c1c90826c9054aa48
MD5 hash: a0243d13faf96377d439e2c6084969f8
humanhash: uncle-failed-carolina-edward
File name:a0243d13faf96377d439e2c6084969f8.exe
Download: download sample
Signature Stop
Create hunting rule
File size:675'328 bytes
First seen:2022-10-04 05:40:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 54293b511061c1328b2f106c079d81bf (7 x Stop, 6 x GCleaner, 6 x Smoke Loader)
ssdeep 12288:Esq0BoWBNHFqtR9xUJbBBwLC14Hl1I2w8OSekAeQIDIAaMfBJTQL:Esq0BomQWdCLIgrPwlSef7uzaM5yL
TLSH T10EE4232B9051D032C0AB363858F49B29AFBF65254B741907EB995B6EDE207F04B643CF
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 b2dacabecee6baa6 (148 x RedLineStealer, 145 x Stop, 100 x Smoke Loader)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://23.88.115.141/

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://23.88.115.141/ https://threatfox.abuse.ch/ioc/866186/

Intelligence

File Origin
# of uploads :
1
# of downloads :
261
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/316318/
Detection(s):
Win.Packed.Dropperx-9972815-0
Create hunting rule

Win.Ransomware.Ransomx-9972816-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Сreating synchronization primitives
Sending a custom TCP request
Deleting a recently created file
DNS request
Sending an HTTP GET request
Searching for synchronization primitives
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Gathering data
Result
Verdict:
MALICIOUS
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/9d366b4b-cc35-4397-853e-ce6565ae5d6e
Result
Threat name:
Babuk, Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1082964
Signature
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Babuk Ransomware
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 715521 Sample: u8pMbXmP9V.exe Startdate: 04/10/2022 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic 2->54 56 Multi AV Scanner detection for domain / URL 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 6 other signatures 2->60 8 u8pMbXmP9V.exe 2->8         started        11 u8pMbXmP9V.exe 2->11         started        13 u8pMbXmP9V.exe 2->13         started        15 u8pMbXmP9V.exe 2->15         started        process3 signatures4 64 Injects a PE file into a foreign processes 8->64 17 u8pMbXmP9V.exe 19 8->17         started        22 u8pMbXmP9V.exe 1 16 11->22         started        66 Multi AV Scanner detection for dropped file 13->66 68 Machine Learning detection for dropped file 13->68 24 u8pMbXmP9V.exe 12 13->24         started        26 u8pMbXmP9V.exe 12 15->26         started        process5 dnsIp6 48 winnlinne.com 211.171.233.126, 49694, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 17->48 36 C:\Users\user\...\u8pMbXmP9V.exe.oflg (copy), MS-DOS 17->36 dropped 38 C:\Users\user\Desktop\u8pMbXmP9V.exe, MS-DOS 17->38 dropped 40 C:\Users\user\Desktop\RAYHIWGKDI.xlsx, data 17->40 dropped 46 3 other malicious files 17->46 dropped 62 Modifies existing user documents (likely ransomware behavior) 17->62 50 api.2ip.ua 162.0.217.254, 443, 49684, 49686 ACPCA Canada 22->50 42 C:\Users\user\AppData\...\u8pMbXmP9V.exe, PE32 22->42 dropped 44 C:\Users\...\u8pMbXmP9V.exe:Zone.Identifier, ASCII 22->44 dropped 28 u8pMbXmP9V.exe 22->28         started        31 icacls.exe 22->31         started        file7 signatures8 process9 signatures10 70 Injects a PE file into a foreign processes 28->70 33 u8pMbXmP9V.exe 12 28->33         started        process11 dnsIp12 52 api.2ip.ua 33->52
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9f41d76509762bdd3eea0873e008686e218226693dd8e5cd7c9b7e2afdc78a39/
Threat name:
Win32.Trojan.Azorult
Create hunting rule
Status:
Malicious
First seen:
2022-09-30 18:35:47 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
26 of 26 (100.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=t5a5ozijoyv52pxkbbz6acdinyqyejtjhxmoltl4tn7cv7ohri4q._file
Verdict:
malicious
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/221004-gde39secc5/
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
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/larsenup
https://ioc.exchange/@zebra54
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/db21f100-cc9c-4d68-a439-a6a5aa856073
Unpacked files
SH256 hash:
cc730c25840b5eb026150bc6ffb957e7ab10546d54f992025239198dec89c310
MD5 hash:
32e661b5bd250d1e3f5717bbf6545318
SHA1 hash:
9fbcb5b9dccd1f92a1f67404ea504344f71ac195
Link:
https://www.unpac.me/results/597e57d3-b5ae-4622-bbd4-e54a8b69f032/
Parent samples :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 hash:
9f41d76509762bdd3eea0873e008686e218226693dd8e5cd7c9b7e2afdc78a39
MD5 hash:
a0243d13faf96377d439e2c6084969f8
SHA1 hash:
ad8dfa7a330a620691bdcc4c1c90826c9054aa48
Link:
https://www.unpac.me/results/597e57d3-b5ae-4622-bbd4-e54a8b69f032/
Malware family:
Djvu
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9f41d7650976/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/9f41d76509762bdd3eea0873e008686e218226693dd8e5cd7c9b7e2afdc78a39

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: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:RansomwareTest8
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
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: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.

Cape
Cape
https://www.capesandbox.com/analysis/316318/

Comments