MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52d44751cce977c53335e571317611533fe955f4827fb34656034c0cfe224024. 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 YARA 9 File information Comments
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SHA256 hash: 52d44751cce977c53335e571317611533fe955f4827fb34656034c0cfe224024
SHA3-384 hash: 7a1cd98e803dbc76ef929e32bf14d066131df7fb4303f80755a1fa5feecf60b4300d400447b7c0297843e7a460496a3e
SHA1 hash: b631d0309f47f832c8e342b7bd269986158be9ea
MD5 hash: ee564a8d30f4bd8d75b4e4c8b0304491
humanhash: april-nebraska-magazine-pasta
File name:ee564a8d30f4bd8d75b4e4c8b0304491.exe
Download: download sample
Signature Stop
Create hunting rule
File size:750'080 bytes
First seen:2021-10-29 05:18:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5ec7965957c5433534918911424a4e5f (3 x Smoke Loader, 2 x RaccoonStealer, 1 x SystemBC)
ssdeep 12288:7wpeZSHPmgkG95H+JcrS+ETKGztyCHKK45XdBXTvSooqjVWw3jqNhuQL82jW/un7:73SHPEGzOD+EeGB945DvSfwyhnQ2jr
Threatray 802 similar samples on MalwareBazaar
TLSH T194F412F0B6A98431D4A7293098A58A624E3FB862DD7095C633B0275E1FB3FCD46D435D
File icon (PE):PE icon
dhash icon fcfcb4d4d4d4d8c8 (18 x RedLineStealer, 10 x RaccoonStealer, 5 x Smoke Loader)
Reporter abuse_ch
Tags:exe Ransomware Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
245
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Variant.Fragtor.35416.2589.UNOFFICIAL
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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
Sending an HTTP GET request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c84d69da-118e-437f-9af3-16b53d1219b5
Result
Threat name:
Djvu
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Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/879068
Signature
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: 511500 Sample: oCN3rc0FzJ.exe Startdate: 29/10/2021 Architecture: WINDOWS Score: 100 54 Multi AV Scanner detection for domain / URL 2->54 56 Found malware configuration 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 4 other signatures 2->60 8 oCN3rc0FzJ.exe 2->8         started        11 oCN3rc0FzJ.exe 2->11         started        13 oCN3rc0FzJ.exe 2->13         started        15 oCN3rc0FzJ.exe 2->15         started        process3 signatures4 64 Injects a PE file into a foreign processes 8->64 17 oCN3rc0FzJ.exe 18 8->17         started        66 Contains functionality to inject code into remote processes 11->66 22 oCN3rc0FzJ.exe 1 16 11->22         started        68 Multi AV Scanner detection for dropped file 13->68 70 Machine Learning detection for dropped file 13->70 24 oCN3rc0FzJ.exe 12 13->24         started        26 oCN3rc0FzJ.exe 12 15->26         started        process5 dnsIp6 48 rlrz.org 115.88.24.202, 49765, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 17->48 36 C:\Users\user\_readme.txt, ASCII 17->36 dropped 38 C:\Users\user\...\oCN3rc0FzJ.exe.rivd (copy), MS-DOS 17->38 dropped 40 C:\Users\user\Desktop\oCN3rc0FzJ.exe, MS-DOS 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, 49755, 49758 VOLIA-ASUA Ukraine 22->50 42 C:\Users\user\AppData\...\oCN3rc0FzJ.exe, PE32 22->42 dropped 44 C:\Users\...\oCN3rc0FzJ.exe:Zone.Identifier, ASCII 22->44 dropped 28 oCN3rc0FzJ.exe 22->28         started        31 icacls.exe 22->31         started        file7 signatures8 process9 signatures10 72 Injects a PE file into a foreign processes 28->72 33 oCN3rc0FzJ.exe 12 28->33         started        process11 dnsIp12 52 api.2ip.ua 33->52
Detection:
vidar
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Link:
https://mwdb.cert.pl/sample/52d44751cce977c53335e571317611533fe955f4827fb34656034c0cfe224024/
Threat name:
Win32.Trojan.Fragtor
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Status:
Malicious
First seen:
2021-10-28 20:25:45 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=klkeouom5f34kmzv4vytc5qrkm76svpuqj73grswangaz7rciasa._file
Verdict:
malicious
Similar samples:
43b31ea75f3c0666523aefc13e216a651e8e93feaeff1165cb35ed374365cdd6
Stop
4b3e6a191ab050a87aeeb8a650290c4e217e9508971beeb929417d13d89292e2
Stop
6aae67d87cd2ef23c4b9265c8e83db5142f00154e66e47b1e54219cea794682b
Stop
9afa91c839d958185548eccf40690eb7db7859a852ac06f3870a6165c287d6ba
Stop
aad6294207c2facfebf440fa5d52804422edbf9c9e9adb4a7aaff0310b1c5d11
Stop
f15e2ae6168ce22adfb50ee1838cfda69a046b13dc8a5a751379a71ceb76b650
Stop
+ 792 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 suricata
Link:
https://tria.ge/reports/211029-fzt9mshdap/
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 use of AdjustPrivilegeToken
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
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
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
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/1b343f83-1801-40e7-882a-6822c66da08e/
Parent samples :
4473839f300ceead336e44aa80b012e0fbd880c2e52c432f95847814049354e7
c9d2ec6165ddea749228a9bd96352f638a665b2d8088b086ee9bf2dacce1f539
db120e118351b75a6b7b19ae4ffa65ef0d5d0ebd438dea2de0276c4af23177f2
52d44751cce977c53335e571317611533fe955f4827fb34656034c0cfe224024
77a9b2214093e9cbeae4d3b1b4ea8ab3cb3dd84453b6cddfe1089e0c4bb56251
934690e391745fca58ca0df6d41952d6f58ed7b18ab8fdda22484b01eb262be8
SH256 hash:
52d44751cce977c53335e571317611533fe955f4827fb34656034c0cfe224024
MD5 hash:
ee564a8d30f4bd8d75b4e4c8b0304491
SHA1 hash:
b631d0309f47f832c8e342b7bd269986158be9ea
Link:
https://www.unpac.me/results/1b343f83-1801-40e7-882a-6822c66da08e/
Malware family:
Djvu
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/52d44751cce9/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/52d44751cce977c53335e571317611533fe955f4827fb34656034c0cfe224024

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:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
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Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
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Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:MALWARE_Win_STOP
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Author:ditekSHen
Description:Detects STOP ransomware
Rule name:MALWARE_Win_Vidar
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Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
Rule name:SUSP_XORed_URL_in_EXE
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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
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Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:Vidar
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Author:kevoreilly
Description:Vidar Payload
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 52d44751cce977c53335e571317611533fe955f4827fb34656034c0cfe224024

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1706197/
  
Delivery method
Distributed via web download

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