MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 263609acda626d96ec96ba617b4ab4e8bec0723c85908cecd48b2c1433848f67. 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 7 File information Comments

SHA256 hash: 263609acda626d96ec96ba617b4ab4e8bec0723c85908cecd48b2c1433848f67
SHA3-384 hash: c79e0bbbb56492e78a5861b8906a902c38d497e23996f7c775e72c2d036b0187ee6dd88073d212dc103e49161b7fb76e
SHA1 hash: 4b3ae1269fe5b2f489ff055556c745c0a1f139df
MD5 hash: a151aa7905373929ca47bdfb24ee7f92
humanhash: winner-social-finch-east
File name:a151aa7905373929ca47bdfb24ee7f92.exe
Download: download sample
Signature Stop
File size:829'440 bytes
First seen:2021-05-28 15:20:39 UTC
Last seen:2021-05-28 15:42:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f648f82da86c29e8b6c0971365e00e98 (4 x Stop, 2 x RaccoonStealer, 2 x RedLineStealer)
ssdeep 24576:m4Bl24yGT3xDgYpucgPoxt2RJ4baHEiuZKh:m0RT3x0mdAUt2sbaHDuZKh
Threatray 175 similar samples on MalwareBazaar
TLSH 4D050110ABA1C035F0F216F646768668E53A3EB1A73894DB23D516DE3778AE0EC31717
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://45.153.230.32/

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://45.153.230.32/ https://threatfox.abuse.ch/ioc/66258/

Intelligence


File Origin
# of uploads :
2
# of downloads :
151
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a151aa7905373929ca47bdfb24ee7f92.exe
Verdict:
Suspicious activity
Analysis date:
2021-05-28 16:37:43 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
Deleting a recently created file
Sending an HTTP GET request
Creating a process from a recently created file
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.troj.adwa.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found ransom note / readme
Injects a PE file into a foreign processes
Machine Learning detection for sample
Modifies existing user documents (likely ransomware behavior)
Modifies the hosts file
Multi AV Scanner detection for submitted file
Mutes Antivirus updates and installments via hosts file black listing
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Writes many files with high entropy
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 426337 Sample: QZr0e0zGF0.exe Startdate: 28/05/2021 Architecture: WINDOWS Score: 100 89 asvb.top 2->89 91 api.2ip.ua 2->91 107 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->107 109 Found malware configuration 2->109 111 Antivirus detection for URL or domain 2->111 113 6 other signatures 2->113 13 QZr0e0zGF0.exe 2->13         started        16 QZr0e0zGF0.exe 2->16         started        18 QZr0e0zGF0.exe 2->18         started        20 QZr0e0zGF0.exe 2->20         started        signatures3 process4 signatures5 133 Detected unpacking (changes PE section rights) 13->133 135 Detected unpacking (overwrites its own PE header) 13->135 137 Contains functionality to inject code into remote processes 13->137 139 Writes many files with high entropy 13->139 22 QZr0e0zGF0.exe 1 16 13->22         started        141 Injects a PE file into a foreign processes 16->141 26 QZr0e0zGF0.exe 16->26         started        28 QZr0e0zGF0.exe 12 18->28         started        30 QZr0e0zGF0.exe 20->30         started        process6 dnsIp7 101 api.2ip.ua 77.123.139.190, 443, 49715, 49722 VOLIA-ASUA Ukraine 22->101 103 192.168.2.1 unknown unknown 22->103 83 C:\Users\user\AppData\...\QZr0e0zGF0.exe, PE32 22->83 dropped 85 C:\Users\...\QZr0e0zGF0.exe:Zone.Identifier, ASCII 22->85 dropped 32 QZr0e0zGF0.exe 22->32         started        35 icacls.exe 22->35         started        file8 process9 signatures10 105 Injects a PE file into a foreign processes 32->105 37 QZr0e0zGF0.exe 1 27 32->37         started        process11 dnsIp12 97 asvb.top 35.235.74.220, 49723, 49724, 49727 GOOGLEUS United States 37->97 99 api.2ip.ua 37->99 75 C:\Users\user\AppData\...\updatewin2.exe, PE32 37->75 dropped 77 C:\Users\user\AppData\...\updatewin1.exe, PE32 37->77 dropped 79 C:\Users\user\AppData\Local\...\5.exe, PE32 37->79 dropped 81 160 other files (149 malicious) 37->81 dropped 119 Modifies existing user documents (likely ransomware behavior) 37->119 42 5.exe 37->42         started        45 updatewin2.exe 37->45         started        48 updatewin1.exe 2 37->48         started        file13 signatures14 process15 file16 121 Detected unpacking (changes PE section rights) 42->121 123 Detected unpacking (overwrites its own PE header) 42->123 125 Writes many files with high entropy 42->125 127 Injects a PE file into a foreign processes 42->127 50 5.exe 42->50         started        87 C:\Windows\System32\drivers\etc\hosts, ASCII 45->87 dropped 129 Mutes Antivirus updates and installments via hosts file black listing 45->129 131 Modifies the hosts file 45->131 55 updatewin1.exe 48->55         started        signatures17 process18 dnsIp19 93 tttttt.me 95.216.186.40, 443, 49733 HETZNER-ASDE Germany 50->93 95 34.105.230.174, 49734, 80 GOOGLEUS United States 50->95 67 C:\Users\user\AppData\...\pY4zE3fX7h.zip, Zip 50->67 dropped 69 C:\Users\user\AppData\...\WsAhAngg1hW.zip, Zip 50->69 dropped 71 C:\Users\user\AppData\LocalLow\sqlite3.dll, PE32 50->71 dropped 73 58 other files (none is malicious) 50->73 dropped 115 Tries to steal Mail credentials (via file access) 50->115 117 Tries to harvest and steal browser information (history, passwords, etc) 50->117 57 cmd.exe 50->57         started        59 powershell.exe 55->59         started        file20 signatures21 process22 process23 61 conhost.exe 57->61         started        63 timeout.exe 57->63         started        65 conhost.exe 59->65         started       
Threat name:
Win32.Ransomware.Stop
Status:
Malicious
First seen:
2021-05-28 07:06:36 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Result
Malware family:
raccoon
Score:
  10/10
Tags:
family:raccoon botnet:1d76a465540f6a904ac9f1310fe3a3824b5b4549 discovery evasion persistence ransomware spyware stealer
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
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
Modifies extensions of user files
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:Email_stealer_bin_mem
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:MALWARE_Win_Raccoon
Author:ditekSHen
Description:Detects Raccoon/Racealer infostealer
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:win_raccoon_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

Web download

Stop

Executable exe 263609acda626d96ec96ba617b4ab4e8bec0723c85908cecd48b2c1433848f67

(this sample)

  
Delivery method
Distributed via web download

Comments