MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 45e1d742b3e10f3dbcf28ff2e4a8ecd819869a2a60330b0990f15fbdd329729a. 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 YARA 4 File information Comments

SHA256 hash: 45e1d742b3e10f3dbcf28ff2e4a8ecd819869a2a60330b0990f15fbdd329729a
SHA3-384 hash: 8761612aed69bac8b06b28e87dc7e2e33dc4acd7a4f600eccd8e261f450ecf96eb5d07606b1bc8c3c2bc367fb8411eff
SHA1 hash: ea4d20350e8eb217bd107fe87cc769cdc52fb398
MD5 hash: 97b5fb7dbd21b1bc17c12a9b2e823745
humanhash: fruit-football-low-monkey
File name:45e1d742b3e10f3dbcf28ff2e4a8ecd819869a2a60330b0990f15fbdd329729a
Download: download sample
Signature Stop
File size:714'304 bytes
First seen:2021-09-29 07:49:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4243f00363439be8c6e25a231537571b (23 x RedLineStealer, 5 x RaccoonStealer, 2 x CoinMiner)
ssdeep 12288:AjOJ/9gVGn6kwva4iNrMKCCoFgW7bx0loDnyMd1:a8gkwvFiNrM7CoFF7lpDl7
Threatray 729 similar samples on MalwareBazaar
TLSH T173E412507A60D032E7E286306971C3E19B3B39626C67C5CBF26C16DE0EE56D189E63C7
File icon (PE):PE icon
dhash icon fcfcb4f4d4dcd8c8 (2 x Stop, 1 x RedLineStealer, 1 x RaccoonStealer)
Reporter JAMESWT_WT
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
137
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
45e1d742b3e10f3dbcf28ff2e4a8ecd819869a2a60330b0990f15fbdd329729a
Verdict:
Suspicious activity
Analysis date:
2021-09-29 09:26:50 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
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
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found ransom note / readme
Injects a PE file into a foreign processes
Machine Learning detection for sample
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes many files with high entropy
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 493337 Sample: CwnZiHC5wY Startdate: 29/09/2021 Architecture: WINDOWS Score: 100 59 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->59 61 Antivirus detection for URL or domain 2->61 63 Multi AV Scanner detection for submitted file 2->63 65 4 other signatures 2->65 8 CwnZiHC5wY.exe 2->8         started        11 CwnZiHC5wY.exe 2->11         started        13 CwnZiHC5wY.exe 2->13         started        15 CwnZiHC5wY.exe 2->15         started        process3 signatures4 69 Detected unpacking (changes PE section rights) 8->69 71 Detected unpacking (overwrites its own PE header) 8->71 73 Contains functionality to inject code into remote processes 8->73 75 Writes many files with high entropy 8->75 17 CwnZiHC5wY.exe 1 16 8->17         started        77 Multi AV Scanner detection for dropped file 11->77 79 Injects a PE file into a foreign processes 11->79 21 CwnZiHC5wY.exe 12 11->21         started        23 CwnZiHC5wY.exe 12 13->23         started        25 CwnZiHC5wY.exe 15->25         started        process5 dnsIp6 55 api.2ip.ua 77.123.139.190, 443, 49770, 49772 VOLIA-ASUA Ukraine 17->55 45 C:\Users\user\AppData\...\CwnZiHC5wY.exe, PE32 17->45 dropped 47 C:\Users\...\CwnZiHC5wY.exe:Zone.Identifier, ASCII 17->47 dropped 27 CwnZiHC5wY.exe 17->27         started        30 icacls.exe 17->30         started        57 wrrst.top 23->57 file7 process8 signatures9 81 Injects a PE file into a foreign processes 27->81 32 CwnZiHC5wY.exe 1 17 27->32         started        process10 dnsIp11 49 securebiz.org 109.98.58.98, 49773, 80 RTDBucharestRomaniaRO Romania 32->49 51 wrrst.top 32->51 53 api.2ip.ua 32->53 37 C:\Users\user\...\setup.exe.koom (copy), basic-16 32->37 dropped 39 C:\Users\user\AppData\Local\...\setup.exe, basic-16 32->39 dropped 41 C:\Users\user\AppData\...\4996b9[1].woff, DOS 32->41 dropped 43 336 other files (330 malicious) 32->43 dropped 67 Modifies existing user documents (likely ransomware behavior) 32->67 file12 signatures13
Threat name:
Win32.Trojan.Racealer
Status:
Malicious
First seen:
2021-09-29 03:13:00 UTC
AV detection:
35 of 45 (77.78%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware suricata
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Modifies file permissions
Detected Djvu ransomware
Djvu Ransomware
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
Unpacked files
SH256 hash:
52abed372fef8c6f6d2f618af456f01bb7840f6a20aeeac882e72f751e8c6c0b
MD5 hash:
0419ceafccad7b4aeeff524530093486
SHA1 hash:
89f265a3036b5642319c49b4f9f89defcc2617ad
Detections:
win_stop_auto
SH256 hash:
45e1d742b3e10f3dbcf28ff2e4a8ecd819869a2a60330b0990f15fbdd329729a
MD5 hash:
97b5fb7dbd21b1bc17c12a9b2e823745
SHA1 hash:
ea4d20350e8eb217bd107fe87cc769cdc52fb398
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