MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b41bf45f3114d995d4f4887c3a1aa2a43f4535a35d7b2fb43e09198ebe794285. 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 4 File information Comments

SHA256 hash: b41bf45f3114d995d4f4887c3a1aa2a43f4535a35d7b2fb43e09198ebe794285
SHA3-384 hash: 124f22c2b7e87ce952c40ce2158368e5109765828bc09ad3e887267dc020dd86559afe9434e78558f64486110d2b5c50
SHA1 hash: 30fe8e322cf0f45f4077e0ef77cfef612a847fa6
MD5 hash: 86c1444ff15e3b17c62715299103699c
humanhash: july-west-fruit-nuts
File name:b41bf45f3114d995d4f4887c3a1aa2a43f4535a35d7b2fb43e09198ebe794285
Download: download sample
Signature Stop
File size:867'840 bytes
First seen:2022-04-05 06:12:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6e95b72b10d0f281b4ddebe8de5e9772 (4 x Stop, 1 x Amadey)
ssdeep 24576:rGUJuF75ggSowUVtLtWnIiC6mJ1ZztD4dlwRAl:rv+7thXtIlm7ZtP
Threatray 1'123 similar samples on MalwareBazaar
TLSH T107051231739DD870D4432230A459CEA41A3DFD62A8A8594F7A583B3E2EB3E8C55F125F
File icon (PE):PE icon
dhash icon 367e7c7f767c6e72 (1 x RedLineStealer, 1 x Smoke Loader, 1 x Stop)
Reporter JAMESWT_WT
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
238
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Сreating synchronization primitives
Deleting a recently created file
Searching for synchronization primitives
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
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
Verdict:
Malicious
Result
Threat name:
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
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
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 603068 Sample: KqiYeLD53l Startdate: 05/04/2022 Architecture: WINDOWS Score: 100 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for URL or domain 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 3 other signatures 2->62 8 KqiYeLD53l.exe 2->8         started        11 KqiYeLD53l.exe 2->11         started        13 KqiYeLD53l.exe 2->13         started        15 KqiYeLD53l.exe 2->15         started        process3 signatures4 66 Multi AV Scanner detection for dropped file 8->66 68 Machine Learning detection for dropped file 8->68 70 Injects a PE file into a foreign processes 8->70 17 KqiYeLD53l.exe 18 8->17         started        72 Contains functionality to inject code into remote processes 11->72 22 KqiYeLD53l.exe 1 17 11->22         started        24 KqiYeLD53l.exe 12 13->24         started        26 KqiYeLD53l.exe 12 15->26         started        process5 dnsIp6 48 fuyt.org 115.88.24.203, 49724, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 17->48 50 192.168.2.1 unknown unknown 17->50 36 C:\_readme.txt, ASCII 17->36 dropped 38 C:\Users\user\Desktop\...\SUAVTZKNFL.docx, data 17->38 dropped 40 C:\Users\user\Desktop\PWCCAWLGRE.pdf, data 17->40 dropped 46 3 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, 49715, 49720 ACPCA Canada 22->52 42 C:\Users\user\AppData\...\KqiYeLD53l.exe, PE32 22->42 dropped 44 C:\Users\...\KqiYeLD53l.exe:Zone.Identifier, ASCII 22->44 dropped 28 KqiYeLD53l.exe 22->28         started        31 icacls.exe 22->31         started        file7 signatures8 process9 signatures10 74 Injects a PE file into a foreign processes 28->74 33 KqiYeLD53l.exe 12 28->33         started        process11 dnsIp12 54 api.2ip.ua 33->54
Threat name:
Win32.Trojan.Azorult
Status:
Malicious
First seen:
2022-04-03 07:32:05 UTC
File Type:
PE (Exe)
Extracted files:
69
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu ransomware
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://fuyt.org/fhsgtsspen6/get.php
Unpacked files
SH256 hash:
746d1a34ce76a607bb0b97653ad7228c724a84928e6c0f36f0501e292f767f2a
MD5 hash:
bc0c5e09b01f13c875855f396747dd0a
SHA1 hash:
ffd0e6de18ab144317774f5601efb47f7b20475c
Detections:
win_stop_auto
SH256 hash:
b41bf45f3114d995d4f4887c3a1aa2a43f4535a35d7b2fb43e09198ebe794285
MD5 hash:
86c1444ff15e3b17c62715299103699c
SHA1 hash:
30fe8e322cf0f45f4077e0ef77cfef612a847fa6
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:SUSP_XORed_URL_in_EXE
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
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:win_stop_auto
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.

Comments