MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3446fd547e18ca3ed3a99c84e093b8b052893f6c2295d51f3eaaa2e9b395242a. 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: 11


Intelligence 11 IOCs 1 YARA 2 File information Comments

SHA256 hash: 3446fd547e18ca3ed3a99c84e093b8b052893f6c2295d51f3eaaa2e9b395242a
SHA3-384 hash: b7bbc14cbe42653d85bef1e22bfae31eb2d830c156737736da99d146a129a6400bb4706b60cad9100fa1a04dbc8730d0
SHA1 hash: 8b2a311fa346d4ec47eed4b998f3ded3adbdbadd
MD5 hash: a3c982e706edddadef9f82b9459eefc7
humanhash: floor-bluebird-william-winter
File name:a3c982e706edddadef9f82b9459eefc7.exe
Download: download sample
Signature Stop
File size:849'408 bytes
First seen:2021-05-26 16:56:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9cf3a49690219b7af90de93ade706bf3 (2 x Stop)
ssdeep 12288:/xqm/RgpSoO6rk+XatfM8nz1WuS8Ot3yZu9G5EBM5Jj2tjubC12oSruGmJ7ng6wj:/p/RzAVaaOmHtTA5b6puzPeg8iUU
Threatray 138 similar samples on MalwareBazaar
TLSH 9F05F170AA93C035E4F702F99DB682797A3B7AA25B3450CB22C556FE0A346D49C33753
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://45.67.231.109/

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://45.67.231.109/ https://threatfox.abuse.ch/ioc/64474/

Intelligence


File Origin
# of uploads :
1
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a3c982e706edddadef9f82b9459eefc7.exe
Verdict:
Suspicious activity
Analysis date:
2021-05-26 22:54:28 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
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
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.
Result
Threat name:
Detection:
malicious
Classification:
rans.evad
Score:
96 / 100
Signature
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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: 425288 Sample: XL4w5s5DOS.exe Startdate: 26/05/2021 Architecture: WINDOWS Score: 96 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected Djvu Ransomware 2->47 49 Machine Learning detection for sample 2->49 8 XL4w5s5DOS.exe 2->8         started        11 XL4w5s5DOS.exe 2->11         started        13 XL4w5s5DOS.exe 2->13         started        15 XL4w5s5DOS.exe 2->15         started        process3 signatures4 51 Detected unpacking (changes PE section rights) 8->51 53 Detected unpacking (overwrites its own PE header) 8->53 55 Contains functionality to inject code into remote processes 8->55 17 XL4w5s5DOS.exe 1 16 8->17         started        57 Multi AV Scanner detection for dropped file 11->57 59 Machine Learning detection for dropped file 11->59 61 Injects a PE file into a foreign processes 11->61 21 XL4w5s5DOS.exe 12 11->21         started        23 XL4w5s5DOS.exe 12 13->23         started        25 XL4w5s5DOS.exe 12 15->25         started        process5 dnsIp6 41 api.2ip.ua 77.123.139.190, 443, 49728, 49732 VOLIA-ASUA Ukraine 17->41 43 192.168.2.1 unknown unknown 17->43 35 C:\Users\user\AppData\...\XL4w5s5DOS.exe, PE32 17->35 dropped 37 C:\Users\...\XL4w5s5DOS.exe:Zone.Identifier, ASCII 17->37 dropped 27 XL4w5s5DOS.exe 17->27         started        30 icacls.exe 17->30         started        file7 process8 signatures9 63 Injects a PE file into a foreign processes 27->63 32 XL4w5s5DOS.exe 12 27->32         started        process10 dnsIp11 39 api.2ip.ua 32->39
Threat name:
Win32.Ransomware.Stop
Status:
Malicious
First seen:
2021-05-23 17:25:12 UTC
File Type:
PE (Exe)
Extracted files:
20
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Result
Malware family:
raccoon
Score:
  10/10
Tags:
family:raccoon botnet:1d76a465540f6a904ac9f1310fe3a3824b5b4549 discovery evasion persistence spyware stealer
Behaviour
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
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 local email clients
Reads user/profile data of web browsers
Disables Task Manager via registry modification
Downloads MZ/PE file
Drops file in Drivers directory
Executes dropped EXE
Deletes Windows Defender Definitions
Raccoon
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

File information


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

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