MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a74b599ea12643a01a716a4e286d6ebbed6eddedfa82ed3215ba002f1081847c. 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: 15


Intelligence 15 IOCs 1 YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a74b599ea12643a01a716a4e286d6ebbed6eddedfa82ed3215ba002f1081847c
SHA3-384 hash: f326e5d14a0914e9a9293e0089dc41a11f64685acb1f027f6597ac13475afd6b8ffe6fe7b2c84398f33e844f81ace84d
SHA1 hash: 1e0683b9e3b8fa7695605c93eecb92ee7b4488bb
MD5 hash: 851f7b783fe0dfcfb4d9befc8f167e95
humanhash: freddie-three-berlin-utah
File name:A74B599EA12643A01A716A4E286D6EBBED6EDDEDFA82E.exe
Download: download sample
Signature Stop
Create hunting rule
File size:801'792 bytes
First seen:2022-10-20 09:50:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 23a10c0599daa8b4efa6cbee1d51dfd7 (4 x Smoke Loader, 4 x Stop, 2 x RedLineStealer)
ssdeep 12288:FIwEu2Qxyr8TgkLNaQ5dqkCY8T5XZjOcVO2CT+J99QOpodTRC2hvVZFIPmkRHI:mW2aTZRqkUTLOxqJAOpKRRh9LIPmf
TLSH T1C5050110BA90D039F0B312F8557A8268F93E7ED1AB6450CF12D56AEE57387E5EC3061B
TrID 40.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.0% (.SCR) Windows screen saver (13101/52/3)
13.6% (.EXE) Win64 Executable (generic) (10523/12/4)
8.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 25ac1378399b9b91 (28 x Smoke Loader, 24 x Amadey, 21 x RedLineStealer)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://tm.baiaveloz.com/

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://tm.baiaveloz.com/ https://threatfox.abuse.ch/ioc/895046/

Intelligence

File Origin
# of uploads :
1
# of downloads :
222
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
A74B599EA12643A01A716A4E286D6EBBED6EDDEDFA82E.exe
Verdict:
Malicious activity
Analysis date:
2022-10-20 09:52:15 UTC
Tags:
trojan ransomware stop
Link:
https://app.any.run/tasks/570e6fdc-d752-4fbd-8733-fabd245a56a2

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/321950/
Detection(s):
Win.Packed.Crypterx-9964586-0
Create hunting rule

Win.Dropper.Tofsee-9964760-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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:
greyware packed
Link:
https://www.filescan.io/uploads/63511a0566721ebd9b2f4605/reports/19dec381-9091-42d4-ade5-459d44e872f3/overview
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/d5e2d9ad-acb4-46e5-b515-b31033af984d
Result
Threat name:
Babuk, Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1094064
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Writes a notice file (html or txt) to demand a ransom
Yara detected Babuk Ransomware
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 726695 Sample: A74B599EA12643A01A716A4E286... Startdate: 20/10/2022 Architecture: WINDOWS Score: 100 56 Multi AV Scanner detection for domain / URL 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus detection for URL or domain 2->60 62 7 other signatures 2->62 8 A74B599EA12643A01A716A4E286D6EBBED6EDDEDFA82E.exe 2->8         started        11 A74B599EA12643A01A716A4E286D6EBBED6EDDEDFA82E.exe 2->11         started        13 A74B599EA12643A01A716A4E286D6EBBED6EDDEDFA82E.exe 2->13         started        15 A74B599EA12643A01A716A4E286D6EBBED6EDDEDFA82E.exe 2->15         started        process3 signatures4 66 Antivirus detection for dropped file 8->66 68 Multi AV Scanner detection for dropped file 8->68 70 Machine Learning detection for dropped file 8->70 72 Writes a notice file (html or txt) to demand a ransom 8->72 17 A74B599EA12643A01A716A4E286D6EBBED6EDDEDFA82E.exe 1 16 8->17         started        74 Injects a PE file into a foreign processes 11->74 22 A74B599EA12643A01A716A4E286D6EBBED6EDDEDFA82E.exe 1 16 11->22         started        24 A74B599EA12643A01A716A4E286D6EBBED6EDDEDFA82E.exe 12 13->24         started        26 A74B599EA12643A01A716A4E286D6EBBED6EDDEDFA82E.exe 15->26         started        process5 dnsIp6 48 acacaca.org 17->48 50 192.168.2.1 unknown unknown 17->50 36 C:\Users\user\_readme.txt, ASCII 17->36 dropped 38 C:\Users\user\Desktop\ZUYYDJDFVF.png, data 17->38 dropped 40 C:\Users\user\Desktop\...\UBVUNTSCZJ.pdf, HIT 17->40 dropped 46 4 other malicious files 17->46 dropped 64 Modifies existing user documents (likely ransomware behavior) 17->64 52 api.2ip.ua 162.0.217.254, 443, 49716, 49719 ACPCA Canada 22->52 42 A74B599EA12643A01A...BBED6EDDEDFA82E.exe, PE32 22->42 dropped 44 A74B599EA12643A01A...exe:Zone.Identifier, ASCII 22->44 dropped 28 A74B599EA12643A01A716A4E286D6EBBED6EDDEDFA82E.exe 22->28         started        31 icacls.exe 22->31         started        file7 signatures8 process9 signatures10 76 Injects a PE file into a foreign processes 28->76 33 A74B599EA12643A01A716A4E286D6EBBED6EDDEDFA82E.exe 12 28->33         started        process11 dnsIp12 54 api.2ip.ua 33->54
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a74b599ea12643a01a716a4e286d6ebbed6eddedfa82ed3215ba002f1081847c/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2022-08-22 17:16:11 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=u5fvthvbezb2agtrnjhcq3loxpww5xpn7kbo2mqvxiac6eebqr6a._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/221020-lvf44sgdf6/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
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://acacaca.org/test1/get.php
https://t.me/tg_privatetalk
https://nerdculture.de/@yixehi33
Gathering data
Unpacked files
SH256 hash:
bd5114b7fcb628ba6f8c5c5d1d47fc7bb16214581079b3cc07273618b0c41fd8
MD5 hash:
2a41808217d5741e34ee4e7c71bc01cc
SHA1 hash:
8c6ff6f1baab749399afcba7b6bc58de102d1d06
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/b38758a3-f396-49d8-b43d-7c4f8886999c/
Parent samples :
8718c3fb8af937bc27504ff5eb70c3c0c73b6b5212b7ebdbc6fded506595e912
183f5f29ce8cbae2cffadc593c4ca83cb05420f90396aa6335a8323dfa06a7e7
06eb6a96195b9ba64669bfa166cd0422192f9f9d7bef186b31cc86b8cf84cbf0
a74b599ea12643a01a716a4e286d6ebbed6eddedfa82ed3215ba002f1081847c
SH256 hash:
a74b599ea12643a01a716a4e286d6ebbed6eddedfa82ed3215ba002f1081847c
MD5 hash:
851f7b783fe0dfcfb4d9befc8f167e95
SHA1 hash:
1e0683b9e3b8fa7695605c93eecb92ee7b4488bb
Link:
https://www.unpac.me/results/b38758a3-f396-49d8-b43d-7c4f8886999c/
Malware family:
Djvu
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a74b599ea126/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/a74b599ea12643a01a716a4e286d6ebbed6eddedfa82ed3215ba002f1081847c

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/321950/

Comments