MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3c9e88626c2072e100152ba4f19b3bf3fc7e9e3da860fb4c957493b28c46f37. 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: f3c9e88626c2072e100152ba4f19b3bf3fc7e9e3da860fb4c957493b28c46f37
SHA3-384 hash: 51d5c949ed794a7830da74df89b8af4d3dafd74c4c0bcc2e6a6230e1792786629eec04e166173d94f5e7f844312cda6f
SHA1 hash: a48ae1428fc8e29f81a23991cd6476dcd0f28767
MD5 hash: 083411af90e5759c04a6916a526cbf48
humanhash: network-oklahoma-beryllium-hamper
File name:083411af90e5759c04a6916a526cbf48.exe
Download: download sample
Signature Stop
File size:830'464 bytes
First seen:2021-05-28 15:20:17 UTC
Last seen:2021-05-28 15:42:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f648f82da86c29e8b6c0971365e00e98 (4 x Stop, 2 x RaccoonStealer, 2 x RedLineStealer)
ssdeep 12288:GKO7ZlC+AbMvGgnNRRDO4gT1/MFQ8FyM3sga63yOBiKgFWSEYtI4I+K:cZlFGGRBrrTjcgxCRp7K
Threatray 176 similar samples on MalwareBazaar
TLSH 3B05F130AAA1C039F0F656F445B592B8A9397DB2673491CF22D11EEA06376E4EC307D7
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 :
146
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
083411af90e5759c04a6916a526cbf48.exe
Verdict:
Suspicious activity
Analysis date:
2021-05-28 16:25:19 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.troj.adwa.spyw.evad
Score:
100 / 100
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
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 426310 Sample: zM2w7I08hn.exe Startdate: 28/05/2021 Architecture: WINDOWS Score: 100 106 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->106 108 Multi AV Scanner detection for domain / URL 2->108 110 Found malware configuration 2->110 112 7 other signatures 2->112 12 zM2w7I08hn.exe 2->12         started        15 zM2w7I08hn.exe 2->15         started        17 zM2w7I08hn.exe 2->17         started        19 zM2w7I08hn.exe 2->19         started        process3 signatures4 138 Detected unpacking (changes PE section rights) 12->138 140 Detected unpacking (overwrites its own PE header) 12->140 142 Contains functionality to inject code into remote processes 12->142 144 Writes many files with high entropy 12->144 21 zM2w7I08hn.exe 1 16 12->21         started        146 Injects a PE file into a foreign processes 15->146 25 zM2w7I08hn.exe 15->25         started        27 zM2w7I08hn.exe 17->27         started        29 zM2w7I08hn.exe 19->29         started        process5 dnsIp6 102 api.2ip.ua 77.123.139.190, 443, 49697, 49704 VOLIA-ASUA Ukraine 21->102 88 C:\Users\user\AppData\...\zM2w7I08hn.exe, PE32 21->88 dropped 90 C:\Users\...\zM2w7I08hn.exe:Zone.Identifier, ASCII 21->90 dropped 31 zM2w7I08hn.exe 21->31         started        34 icacls.exe 21->34         started        104 192.168.2.1 unknown unknown 27->104 file7 process8 signatures9 148 Injects a PE file into a foreign processes 31->148 36 zM2w7I08hn.exe 1 26 31->36         started        process10 dnsIp11 98 asvb.top 35.235.74.220, 49705, 49706, 49707 GOOGLEUS United States 36->98 100 api.2ip.ua 36->100 80 C:\Users\user\AppData\...\updatewin2.exe, PE32 36->80 dropped 82 C:\Users\user\AppData\...\updatewin1.exe, PE32 36->82 dropped 84 C:\Users\user\AppData\Local\...\5.exe, PE32 36->84 dropped 86 246 other files (229 malicious) 36->86 dropped 120 Modifies existing user documents (likely ransomware behavior) 36->120 41 5.exe 36->41         started        44 updatewin1.exe 2 36->44         started        46 updatewin2.exe 36->46         started        file12 signatures13 process14 file15 122 Detected unpacking (changes PE section rights) 41->122 124 Detected unpacking (overwrites its own PE header) 41->124 126 Writes many files with high entropy 41->126 128 Injects a PE file into a foreign processes 41->128 49 5.exe 41->49         started        130 Suspicious powershell command line found 44->130 132 Bypasses PowerShell execution policy 44->132 54 updatewin1.exe 44->54         started        92 C:\Windows\System32\drivers\etc\hosts, ASCII 46->92 dropped 134 Mutes Antivirus updates and installments via hosts file black listing 46->134 136 Modifies the hosts file 46->136 signatures16 process17 dnsIp18 94 tttttt.me 95.216.186.40, 443, 49715 HETZNER-ASDE Germany 49->94 96 34.105.230.174, 49716, 80 GOOGLEUS United States 49->96 70 C:\Users\user\AppData\...\rIMzuQ14eki.zip, Zip 49->70 dropped 72 C:\Users\user\AppData\...\pY4zE3fX7h.zip, Zip 49->72 dropped 74 C:\Users\user\AppData\LocalLow\sqlite3.dll, PE32 49->74 dropped 78 58 other files (none is malicious) 49->78 dropped 114 Tries to steal Mail credentials (via file access) 49->114 116 Tries to harvest and steal browser information (history, passwords, etc) 49->116 56 cmd.exe 49->56         started        76 C:\Users\user\AppData\Local\script.ps1, ASCII 54->76 dropped 118 Suspicious powershell command line found 54->118 58 powershell.exe 54->58         started        60 powershell.exe 54->60         started        file19 signatures20 process21 process22 62 conhost.exe 56->62         started        64 timeout.exe 56->64         started        66 conhost.exe 58->66         started        68 conhost.exe 60->68         started       
Threat name:
Win32.Ransomware.Stop
Status:
Malicious
First seen:
2021-05-28 05:53:55 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Result
Malware family:
raccoon
Score:
  10/10
Tags:
family:raccoon botnet:1d76a465540f6a904ac9f1310fe3a3824b5b4549 discovery evasion persistence ransomware 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
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 f3c9e88626c2072e100152ba4f19b3bf3fc7e9e3da860fb4c957493b28c46f37

(this sample)

  
Delivery method
Distributed via web download

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