MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6c3975ec616965fd8548a4dcc95e2c28dbe2d766fa967b96e9b416be608c01f5. 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: 10


Intelligence 10 IOCs 1 YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6c3975ec616965fd8548a4dcc95e2c28dbe2d766fa967b96e9b416be608c01f5
SHA3-384 hash: f6bcceb7d4d5da39de226c16141fe9afebb2de107dfa153d03ea66478dd55be2114ce8870bd30e2e6acc9fd97fa54abf
SHA1 hash: deef464fbcef221dd49d82075c4398dcf4872117
MD5 hash: ac2604befd295c074a68741e1072c4ea
humanhash: helium-chicken-arkansas-victor
File name:ac2604befd295c074a68741e1072c4ea.exe
Download: download sample
Signature Stop
Create hunting rule
File size:888'832 bytes
First seen:2021-05-29 07:55:42 UTC
Last seen:2021-05-29 08:47:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 306d2c653e9f2457b44a38149955df00 (4 x Stop, 1 x DanaBot, 1 x ArkeiStealer)
ssdeep 12288:QOba1q0qshNcQEhq1PufuvB84OL8m2vhEnfx0BjfziTlPnPbn5s1e96XaOd:QTq0BBEhq12mp8fL8NyfxszihP6195
Threatray 207 similar samples on MalwareBazaar
TLSH E815F170AA95C134F0F656BEC979996C9D3A7DA3572450CB13C53AEE2A349D3AC30703
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://34.105.230.174/

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://34.105.230.174/ https://threatfox.abuse.ch/ioc/66374/

Intelligence

File Origin
# of uploads :
2
# of downloads :
308
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ac2604befd295c074a68741e1072c4ea.exe
Verdict:
Suspicious activity
Analysis date:
2021-05-29 07:59:15 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/32bf6926-dc9d-41a6-8bbb-aef22d8f3498

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/163156/
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware1.26474.8038.UNOFFICIAL
Create hunting rule

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:
Djvu Raccoon
Create hunting rule
Detection:
malicious
Classification:
rans.spre.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/794219
Signature
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
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
Infects executable files (exe, dll, sys, html)
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)
Suspicious powershell command line found
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
Yara detected Raccoon Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 426615 Sample: KWkj3eUPVj.exe Startdate: 29/05/2021 Architecture: WINDOWS Score: 100 111 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->111 113 Multi AV Scanner detection for domain / URL 2->113 115 Found malware configuration 2->115 117 8 other signatures 2->117 12 KWkj3eUPVj.exe 2->12         started        15 KWkj3eUPVj.exe 2->15         started        17 KWkj3eUPVj.exe 2->17         started        19 KWkj3eUPVj.exe 2->19         started        process3 signatures4 145 Detected unpacking (changes PE section rights) 12->145 147 Detected unpacking (overwrites its own PE header) 12->147 149 Contains functionality to inject code into remote processes 12->149 21 KWkj3eUPVj.exe 1 16 12->21         started        151 Writes many files with high entropy 15->151 153 Injects a PE file into a foreign processes 15->153 25 KWkj3eUPVj.exe 15->25         started        27 KWkj3eUPVj.exe 12 17->27         started        29 KWkj3eUPVj.exe 19->29         started        process5 dnsIp6 105 api.2ip.ua 77.123.139.190, 443, 49721, 49725 VOLIA-ASUA Ukraine 21->105 89 C:\Users\user\AppData\...\KWkj3eUPVj.exe, PE32 21->89 dropped 91 C:\Users\...\KWkj3eUPVj.exe:Zone.Identifier, ASCII 21->91 dropped 31 KWkj3eUPVj.exe 21->31         started        34 icacls.exe 21->34         started        107 asvb.top 25->107 93 C:\Users\user\Desktop\KWkj3eUPVj.exe, data 25->93 dropped file7 process8 signatures9 155 Injects a PE file into a foreign processes 31->155 36 KWkj3eUPVj.exe 1 27 31->36         started        process10 dnsIp11 101 asvb.top 35.235.74.220, 49726, 49727, 49728 GOOGLEUS United States 36->101 103 api.2ip.ua 36->103 81 C:\Users\user\AppData\Local\...\messages.json, COM 36->81 dropped 83 C:\Users\user\AppData\...\updatewin2.exe, PE32 36->83 dropped 85 C:\Users\user\AppData\...\updatewin1.exe, PE32 36->85 dropped 87 197 other files (181 malicious) 36->87 dropped 125 Infects executable files (exe, dll, sys, html) 36->125 127 Modifies existing user documents (likely ransomware behavior) 36->127 41 5.exe 36->41         started        44 updatewin1.exe 2 36->44         started        47 updatewin2.exe 36->47         started        file12 signatures13 process14 dnsIp15 129 Detected unpacking (changes PE section rights) 41->129 131 Detected unpacking (overwrites its own PE header) 41->131 133 Writes many files with high entropy 41->133 135 Injects a PE file into a foreign processes 41->135 50 5.exe 41->50         started        109 192.168.2.1 unknown unknown 44->109 137 Suspicious powershell command line found 44->137 139 Bypasses PowerShell execution policy 44->139 55 updatewin1.exe 44->55         started        95 C:\Windows\System32\drivers\etc\hosts, ASCII 47->95 dropped 141 Mutes Antivirus updates and installments via hosts file black listing 47->141 143 Modifies the hosts file 47->143 file16 signatures17 process18 dnsIp19 97 tttttt.me 95.216.186.40, 443, 49737 HETZNER-ASDE Germany 50->97 99 34.105.230.174, 49738, 80 GOOGLEUS United States 50->99 71 C:\Users\user\AppData\...\pY4zE3fX7h.zip, Zip 50->71 dropped 73 C:\Users\user\AppData\...\g7J6HW66O9H.zip, Zip 50->73 dropped 75 C:\Users\user\AppData\LocalLow\sqlite3.dll, PE32 50->75 dropped 79 58 other files (none is malicious) 50->79 dropped 119 Tries to steal Mail credentials (via file access) 50->119 121 Tries to harvest and steal browser information (history, passwords, etc) 50->121 57 cmd.exe 50->57         started        77 C:\Users\user\AppData\Local\script.ps1, ASCII 55->77 dropped 123 Suspicious powershell command line found 55->123 59 powershell.exe 55->59         started        61 powershell.exe 55->61         started        file20 signatures21 process22 process23 63 conhost.exe 57->63         started        65 timeout.exe 57->65         started        67 conhost.exe 59->67         started        69 conhost.exe 61->69         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6c3975ec616965fd8548a4dcc95e2c28dbe2d766fa967b96e9b416be608c01f5/
Threat name:
Win32.Spyware.Convagent
Create hunting rule
Status:
Malicious
First seen:
2021-05-29 07:56:13 UTC
AV detection:
14 of 46 (30.43%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nq4xl3dbnfs73bkiutomsxrmfdn6fv3g7klhxfxjwqll4yemah2q._file
Verdict:
malicious
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+ 197 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/210529-v8ary42lyn/
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/6c3975ec616965fd8548a4dcc95e2c28dbe2d766fa967b96e9b416be608c01f5

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
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:MALWARE_Win_Raccoon
Create hunting rule
Author:ditekSHen
Description:Detects Raccoon/Racealer infostealer
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
Rule name:win_raccoon_auto
Create hunting rule
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 6c3975ec616965fd8548a4dcc95e2c28dbe2d766fa967b96e9b416be608c01f5

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/163156/
  
URLhaus
https://urlhaus.abuse.ch/url/1256494/
  
Delivery method
Distributed via web download

Comments