MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 664f4f8d2b8a5bc6957b608243eb89cbb1d8a49e6cb99c8370ec4811e96fe9db. 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 2 File information Comments

SHA256 hash: 664f4f8d2b8a5bc6957b608243eb89cbb1d8a49e6cb99c8370ec4811e96fe9db
SHA3-384 hash: 6777b4246d7eb6855ea843c1630d88213fa95ce3f1fe6a77d6761ebb06205f4ab7dd8b11a16f7b54e223ee9161c16654
SHA1 hash: 0c03db62964332cbbc75c8228df1d5e7a280f5c1
MD5 hash: cf3e989c9f01ca6b69ba132b1b447c18
humanhash: sweet-undress-network-kilo
File name:cf3e989c9f01ca6b69ba132b1b447c18.exe
Download: download sample
Signature Stop
File size:830'976 bytes
First seen:2021-05-28 19:48:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4ac8834479d5759c76c992c02d75a032 (3 x RedLineStealer, 2 x Stop, 1 x CryptBot)
ssdeep 24576:vSNng0DE7j2V/mcaUr6EE/Z6dQyb5IGl:wgwqCBuUr65QQy
Threatray 186 similar samples on MalwareBazaar
TLSH 0F050100A2A1D034F1F722F54A75D669A53E79B16BB4A0CF13D926EE6634AD0EC31337
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 :
1
# of downloads :
265
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cf3e989c9f01ca6b69ba132b1b447c18.exe
Verdict:
Suspicious activity
Analysis date:
2021-05-28 20:14:58 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:
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.spre.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
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)
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: 426468 Sample: qa34cGSPsE.exe Startdate: 28/05/2021 Architecture: WINDOWS Score: 100 104 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->104 106 Multi AV Scanner detection for domain / URL 2->106 108 Found malware configuration 2->108 110 7 other signatures 2->110 12 qa34cGSPsE.exe 2->12         started        15 qa34cGSPsE.exe 2->15         started        17 qa34cGSPsE.exe 2->17         started        19 qa34cGSPsE.exe 2->19         started        process3 signatures4 132 Detected unpacking (changes PE section rights) 12->132 134 Detected unpacking (overwrites its own PE header) 12->134 136 Contains functionality to inject code into remote processes 12->136 21 qa34cGSPsE.exe 1 16 12->21         started        138 Writes many files with high entropy 15->138 25 qa34cGSPsE.exe 15->25         started        140 Injects a PE file into a foreign processes 17->140 27 qa34cGSPsE.exe 12 17->27         started        29 qa34cGSPsE.exe 19->29         started        process5 dnsIp6 96 api.2ip.ua 77.123.139.190, 443, 49722, 49724 VOLIA-ASUA Ukraine 21->96 74 C:\Users\user\AppData\...\qa34cGSPsE.exe, PE32 21->74 dropped 76 C:\Users\...\qa34cGSPsE.exe:Zone.Identifier, ASCII 21->76 dropped 31 qa34cGSPsE.exe 21->31         started        34 icacls.exe 21->34         started        98 asvb.top 25->98 78 C:\Users\user\Desktop\qa34cGSPsE.exe, data 25->78 dropped file7 process8 signatures9 142 Injects a PE file into a foreign processes 31->142 36 qa34cGSPsE.exe 1 27 31->36         started        41 updatewin1.exe 34->41         started        process10 dnsIp11 90 asvb.top 35.235.74.220, 49726, 49727, 49729 GOOGLEUS United States 36->90 92 192.168.2.1 unknown unknown 36->92 94 api.2ip.ua 36->94 66 C:\Users\user\AppData\...behaviorgraphostName.XSL, DOS 36->66 dropped 68 C:\Users\...\0.0.filtertrie.intermediate.txt, COM 36->68 dropped 70 C:\Users\user\...\IconCacheRdr65536.dat, DOS 36->70 dropped 72 183 other files (173 malicious) 36->72 dropped 112 Infects executable files (exe, dll, sys, html) 36->112 114 Modifies existing user documents (likely ransomware behavior) 36->114 43 5.exe 36->43         started        46 updatewin2.exe 36->46         started        49 updatewin1.exe 2 36->49         started        51 powershell.exe 41->51         started        file12 signatures13 process14 file15 120 Detected unpacking (changes PE section rights) 43->120 122 Detected unpacking (overwrites its own PE header) 43->122 124 Writes many files with high entropy 43->124 126 Injects a PE file into a foreign processes 43->126 53 5.exe 43->53         started        88 C:\Windows\System32\drivers\etc\hosts, ASCII 46->88 dropped 128 Mutes Antivirus updates and installments via hosts file black listing 46->128 130 Modifies the hosts file 46->130 58 conhost.exe 51->58         started        signatures16 process17 dnsIp18 100 tttttt.me 95.216.186.40, 443, 49736 HETZNER-ASDE Germany 53->100 102 34.105.230.174, 49737, 80 GOOGLEUS United States 53->102 80 C:\Users\user\AppData\...\pY4zE3fX7h.zip, Zip 53->80 dropped 82 C:\Users\user\AppData\...\MkwjtQAQjwq.zip, Zip 53->82 dropped 84 C:\Users\user\AppData\LocalLow\sqlite3.dll, PE32 53->84 dropped 86 58 other files (none is malicious) 53->86 dropped 116 Tries to steal Mail credentials (via file access) 53->116 118 Tries to harvest and steal browser information (history, passwords, etc) 53->118 60 cmd.exe 53->60         started        file19 signatures20 process21 process22 62 conhost.exe 60->62         started        64 timeout.exe 60->64         started       
Threat name:
Win32.Trojan.Azorult
Status:
Malicious
First seen:
2021-05-28 19:49:07 UTC
AV detection:
17 of 29 (58.62%)
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: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.

Web download

Stop

Executable exe 664f4f8d2b8a5bc6957b608243eb89cbb1d8a49e6cb99c8370ec4811e96fe9db

(this sample)

  
Delivery method
Distributed via web download

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