MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73ee55d80837accbaf001434a618fcc3a0afbf80928ed8b5b8d9a681fccfaa43. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 73ee55d80837accbaf001434a618fcc3a0afbf80928ed8b5b8d9a681fccfaa43
SHA3-384 hash: b32d1f091b114a6d9eb5e582a06e9a7144965bae1e063acc3f8811e931528503853bee4570e939c1c255bc57e5df214a
SHA1 hash: e0c0f92ae084fa8f484222720ce6372076a05dbf
MD5 hash: b1f3ff285a2e57982f792c3e8f0071c7
humanhash: fix-autumn-failed-nineteen
File name:b1f3ff285a2e57982f792c3e8f0071c7.exe
Download: download sample
Signature Stop
Create hunting rule
File size:879'104 bytes
First seen:2021-05-26 16:57:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 792815bf8db83c1649d8a1ce3f626475 (4 x RedLineStealer, 3 x Stop, 2 x RaccoonStealer)
ssdeep 12288:wl7EIcEzvqgF8H8Gh2EkJ3Do+1ikq/3HUQx30e9q4QDz8PS2yKJ/yDzkK6aVhChU:6EgLF8cGh2hJ9ikq/3HTB8fsS29q7Vf
Threatray 127 similar samples on MalwareBazaar
TLSH 8815F120A7E0C034F5B615B848B69278A53B7DE1AB3451CF61C43AED4A346E7EC31B97
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 :
114
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b1f3ff285a2e57982f792c3e8f0071c7.exe
Verdict:
Suspicious activity
Analysis date:
2021-05-26 22:21:43 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/88ca7489-f140-4de8-8406-32524281bdc7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Raccoon
Create hunting rule
Link:
https://www.capesandbox.com/analysis/162480/
Detection(s):
Win.Malware.Generic-9864651-0
Create hunting rule

Win.Dropper.Gandcrypt-9864806-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Launching a process
Creating a process with a hidden window
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:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/792852
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 domain / URL
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 425250 Sample: mrYz1g0m4J.exe Startdate: 26/05/2021 Architecture: WINDOWS Score: 100 98 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->98 100 Multi AV Scanner detection for domain / URL 2->100 102 Found malware configuration 2->102 104 7 other signatures 2->104 12 mrYz1g0m4J.exe 2->12         started        15 mrYz1g0m4J.exe 2->15         started        17 mrYz1g0m4J.exe 2->17         started        19 mrYz1g0m4J.exe 2->19         started        process3 signatures4 124 Detected unpacking (changes PE section rights) 12->124 126 Detected unpacking (overwrites its own PE header) 12->126 128 Contains functionality to inject code into remote processes 12->128 130 Writes many files with high entropy 12->130 21 mrYz1g0m4J.exe 1 16 12->21         started        25 mrYz1g0m4J.exe 15->25         started        132 Injects a PE file into a foreign processes 17->132 27 mrYz1g0m4J.exe 17->27         started        29 mrYz1g0m4J.exe 19->29         started        process5 dnsIp6 96 api.2ip.ua 77.123.139.190, 443, 49698, 49704 VOLIA-ASUA Ukraine 21->96 82 C:\Users\user\AppData\...\mrYz1g0m4J.exe, PE32 21->82 dropped 84 C:\Users\...\mrYz1g0m4J.exe:Zone.Identifier, ASCII 21->84 dropped 31 mrYz1g0m4J.exe 21->31         started        34 icacls.exe 21->34         started        file7 process8 signatures9 134 Injects a PE file into a foreign processes 31->134 36 mrYz1g0m4J.exe 1 26 31->36         started        process10 dnsIp11 92 asvb.top 35.235.74.220, 49706, 49707, 49708 GOOGLEUS United States 36->92 94 api.2ip.ua 36->94 74 C:\Users\user\AppData\...\updatewin2.exe, PE32 36->74 dropped 76 C:\Users\user\AppData\...\updatewin1.exe, PE32 36->76 dropped 78 C:\Users\user\AppData\Local\...\5.exe, PE32 36->78 dropped 80 202 other files (188 malicious) 36->80 dropped 110 Modifies existing user documents (likely ransomware behavior) 36->110 41 5.exe 36->41         started        44 updatewin2.exe 36->44         started        47 updatewin1.exe 2 36->47         started        file12 signatures13 process14 file15 112 Detected unpacking (changes PE section rights) 41->112 114 Detected unpacking (overwrites its own PE header) 41->114 116 Writes many files with high entropy 41->116 118 Injects a PE file into a foreign processes 41->118 49 5.exe 41->49         started        86 C:\Windows\System32\drivers\etc\hosts, ASCII 44->86 dropped 120 Mutes Antivirus updates and installments via hosts file black listing 44->120 122 Modifies the hosts file 44->122 54 updatewin1.exe 47->54         started        signatures16 process17 dnsIp18 88 tttttt.me 95.216.186.40, 443, 49716 HETZNER-ASDE Germany 49->88 90 45.144.29.143, 49717, 80 HQservCommunicationSolutionsIL United Kingdom 49->90 66 C:\Users\user\AppData\...\qmcgxeCOMHS.zip, Zip 49->66 dropped 68 C:\Users\user\AppData\...\pY4zE3fX7h.zip, Zip 49->68 dropped 70 C:\Users\user\AppData\LocalLow\sqlite3.dll, PE32 49->70 dropped 72 58 other files (none is malicious) 49->72 dropped 106 Tries to steal Mail credentials (via file access) 49->106 108 Tries to harvest and steal browser information (history, passwords, etc) 49->108 56 cmd.exe 49->56         started        58 powershell.exe 54->58         started        file19 signatures20 process21 process22 60 conhost.exe 56->60         started        62 timeout.exe 56->62         started        64 conhost.exe 58->64         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/73ee55d80837accbaf001434a618fcc3a0afbf80928ed8b5b8d9a681fccfaa43/
Threat name:
Win32.Spyware.Convagent
Create hunting rule
Status:
Malicious
First seen:
2021-05-26 16:57:15 UTC
AV detection:
24 of 46 (52.17%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=opxflwaig6wmxlyacq2kmgh4yoqk7p4askhnrnny3gtid7gpvjbq._file
Verdict:
malicious
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+ 117 additional samples on MalwareBazaar
Result
Malware family:
raccoon
Create hunting rule
Score:
  10/10
Tags:
family:raccoon botnet:1d76a465540f6a904ac9f1310fe3a3824b5b4549 discovery evasion persistence ransomware spyware stealer
Link:
https://tria.ge/reports/210526-9w8wcbte9n/
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
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.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/73ee55d80837accbaf001434a618fcc3a0afbf80928ed8b5b8d9a681fccfaa43

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
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
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.

Web download

Stop

Executable exe 73ee55d80837accbaf001434a618fcc3a0afbf80928ed8b5b8d9a681fccfaa43

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1256494/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/162480/

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