MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4473839f300ceead336e44aa80b012e0fbd880c2e52c432f95847814049354e7. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4473839f300ceead336e44aa80b012e0fbd880c2e52c432f95847814049354e7
SHA3-384 hash: 0111ad66aedc21edf702a0eae09a0a0cab5b982a7970bda31f3c5d456f1e3abeab3ecf7e9ff38037b50ab9d7465af57d
SHA1 hash: 3363a1282c53999d031b5874d1b8d58544a8b380
MD5 hash: 613ac1d6f9c99620a3cf010d65a075d1
humanhash: glucose-kilo-shade-happy
File name:613ac1d6f9c99620a3cf010d65a075d1.exe
Download: download sample
Signature Stop
Create hunting rule
File size:794'112 bytes
First seen:2021-10-27 11:47:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3c49148a2369da0f7f00ef91bd98164b (3 x RedLineStealer, 2 x Smoke Loader, 1 x RaccoonStealer)
ssdeep 12288:Epl3oEdeR6BhKBgvEjxpW7FmF4vX2LqlW3ZlAbuLC1hmE3KlvlioV9R9wvO:Ej3o8BhKBqAx4vXMqlWpYhmDliQI
Threatray 807 similar samples on MalwareBazaar
TLSH T108F40201BAA1C035F0BA12F8557AA269B53E7EF1AB3585CF22D512EA47359E1FC30317
File icon (PE):PE icon
dhash icon b6dacabecee6baa6 (72 x Stop, 68 x RedLineStealer, 55 x Smoke Loader)
Reporter abuse_ch
Tags:exe Ransomware Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
256
Origin country :
n/a
Vendor Threat Intelligence
Detection:
STOP
Create hunting rule
Link:
https://www.capesandbox.com/analysis/200493/
Detection(s):
Win.Trojan.Generic-9904330-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed ransomware
Link:
https://www.filescan.io/uploads/61793c759a5a1e91c5d7145c/reports/9a66891a-2e96-4e42-a973-23ca5d9e2a38/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/6315f10a-1671-48b2-838b-92c27c1f052f
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/877693
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Found 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
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
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 510129 Sample: sZFzUPz7Ee.exe Startdate: 27/10/2021 Architecture: WINDOWS Score: 100 54 Multi AV Scanner detection for domain / URL 2->54 56 Found malware configuration 2->56 58 Antivirus / Scanner detection for submitted sample 2->58 60 5 other signatures 2->60 8 sZFzUPz7Ee.exe 2->8         started        11 sZFzUPz7Ee.exe 2->11         started        13 sZFzUPz7Ee.exe 2->13         started        15 sZFzUPz7Ee.exe 2->15         started        process3 signatures4 64 Injects a PE file into a foreign processes 8->64 17 sZFzUPz7Ee.exe 19 8->17         started        66 Antivirus detection for dropped file 11->66 68 Multi AV Scanner detection for dropped file 11->68 70 Machine Learning detection for dropped file 11->70 72 Contains functionality to inject code into remote processes 11->72 22 sZFzUPz7Ee.exe 14 11->22         started        24 sZFzUPz7Ee.exe 1 17 13->24         started        26 sZFzUPz7Ee.exe 13 15->26         started        process5 dnsIp6 48 rlrz.org 58.124.228.242, 49745, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 17->48 36 C:\Users\user\...\sZFzUPz7Ee.exe.rivd (copy), MS-DOS 17->36 dropped 38 C:\Users\user\Desktop\sZFzUPz7Ee.exe, MS-DOS 17->38 dropped 40 C:\Users\user\Desktop\...\QNCYCDFIJJ.docx, 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 77.123.139.190, 443, 49738, 49739 VOLIA-ASUA Ukraine 24->50 42 C:\Users\user\AppData\...\sZFzUPz7Ee.exe, PE32 24->42 dropped 44 C:\Users\...\sZFzUPz7Ee.exe:Zone.Identifier, ASCII 24->44 dropped 28 sZFzUPz7Ee.exe 24->28         started        31 icacls.exe 24->31         started        file7 signatures8 process9 signatures10 74 Injects a PE file into a foreign processes 28->74 33 sZFzUPz7Ee.exe 13 28->33         started        process11 dnsIp12 52 api.2ip.ua 33->52
Detection:
vidar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4473839f300ceead336e44aa80b012e0fbd880c2e52c432f95847814049354e7/
Threat name:
Win32.Trojan.Chapak
Create hunting rule
Status:
Malicious
First seen:
2021-10-27 09:30:47 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=irzyhhzqbtxk2m3oisvibmas4d55ragc4uwegl4vqr4bibetkttq._file
Verdict:
malicious
Similar samples:
0c1571e0f22ecc1c3ed2b80ee90df329d820e287ac0be834aa905726ea96887e
Stop
5651c726a433d942eb9cdbe74c6631178fa3e243e0953e0a55f54f1752e05682
Stop
5d232ce70bfdc3344ad9c117da898e5d72ea5a5ff0704933735abb186714c9f4
Stop
6aae67d87cd2ef23c4b9265c8e83db5142f00154e66e47b1e54219cea794682b
Stop
9afa91c839d958185548eccf40690eb7db7859a852ac06f3870a6165c287d6ba
Stop
adc2c80f4a9f969a641f2674c94bd576420b34d338b12ba5b4cab09e6c51a466
Stop
fd9842238da90428e16ae7954f2ad0f2bda6cfed2bde5f8383a546f7b257f350
Stop
+ 797 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/211027-nyfnvsefb9/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
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
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Vidar Stealer
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
https://mas.to/@xeroxxx
http://rlrz.org/lancer
Unpacked files
SH256 hash:
08e7add564647fa580ca8addba5ed5c25be60b1fef814d4a422dd5d9154c5209
MD5 hash:
61dc58338be2d3439eed3f6e14ceff0d
SHA1 hash:
43801f2b4e9a16d5a21c42bed004f964272a2107
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/66a5dae7-064e-4daa-9118-018d4fc915ba/
Parent samples :
4473839f300ceead336e44aa80b012e0fbd880c2e52c432f95847814049354e7
c9d2ec6165ddea749228a9bd96352f638a665b2d8088b086ee9bf2dacce1f539
db120e118351b75a6b7b19ae4ffa65ef0d5d0ebd438dea2de0276c4af23177f2
52d44751cce977c53335e571317611533fe955f4827fb34656034c0cfe224024
77a9b2214093e9cbeae4d3b1b4ea8ab3cb3dd84453b6cddfe1089e0c4bb56251
934690e391745fca58ca0df6d41952d6f58ed7b18ab8fdda22484b01eb262be8
SH256 hash:
4473839f300ceead336e44aa80b012e0fbd880c2e52c432f95847814049354e7
MD5 hash:
613ac1d6f9c99620a3cf010d65a075d1
SHA1 hash:
3363a1282c53999d031b5874d1b8d58544a8b380
Link:
https://www.unpac.me/results/66a5dae7-064e-4daa-9118-018d4fc915ba/
Malware family:
Djvu
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/4473839f300c/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/4473839f300ceead336e44aa80b012e0fbd880c2e52c432f95847814049354e7

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: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.
Rule name:XOREngine_Misc_XOR_Func
Create hunting rule
Author:smiller cc @florian @wesley idea on implementation with yara's built in XOR function
Description:Use with care, https://twitter.com/cyb3rops/status/1237042104406355968

File information

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

Web download

Stop

Executable exe 4473839f300ceead336e44aa80b012e0fbd880c2e52c432f95847814049354e7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1706197/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/200493/

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