MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ad4dde4dbe42e3bf37a3d6750cee190624fae08c8f592eaf688883eb89b006ae. 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

SHA256 hash: ad4dde4dbe42e3bf37a3d6750cee190624fae08c8f592eaf688883eb89b006ae
SHA3-384 hash: d54385df3ec3054684b24a58d793567c983ae5edfb96e434f82fc8a95bd4adf4878095c6b7ccd7f24b867e0d9a7b9daa
SHA1 hash: 73f0019f9fe14466f036be086d0897288f079e6a
MD5 hash: 23cf72d0fa76515fd79c7e8c9916f56d
humanhash: stairway-skylark-uncle-bluebird
File name:23cf72d0fa76515fd79c7e8c9916f56d.exe
Download: download sample
Signature Stop
File size:886'784 bytes
First seen:2021-05-28 19:55:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9b167f780c26c37e7b4b6e3981551d8a (5 x RedLineStealer, 4 x Stop, 1 x RaccoonStealer)
ssdeep 12288:cUL8eUBsOVNxk7iS6EppM6HfvehicfTNI4nlYC2ial4O/r6+YVLJmFfW5loo12Gd:QeUBOL3pKIfGiOK4B2i24MyJJyWTDf3
Threatray 197 similar samples on MalwareBazaar
TLSH 1915F130B6A1C034F0F255BEC9799A6D9D3A7DA39B6440CB13D53AEE66385D2AC30707
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 :
305
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
23cf72d0fa76515fd79c7e8c9916f56d.exe
Verdict:
Suspicious activity
Analysis date:
2021-05-28 19:58:17 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
DNS request
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
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:
Djvu Raccoon
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
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
Yara detected Raccoon Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 426459 Sample: kMKyneEf17.exe Startdate: 28/05/2021 Architecture: WINDOWS Score: 100 102 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->102 104 Found malware configuration 2->104 106 Antivirus detection for URL or domain 2->106 108 6 other signatures 2->108 12 kMKyneEf17.exe 2->12         started        15 kMKyneEf17.exe 2->15         started        17 kMKyneEf17.exe 2->17         started        19 kMKyneEf17.exe 2->19         started        process3 signatures4 130 Detected unpacking (changes PE section rights) 12->130 132 Detected unpacking (overwrites its own PE header) 12->132 134 Contains functionality to inject code into remote processes 12->134 21 kMKyneEf17.exe 1 16 12->21         started        136 Writes many files with high entropy 15->136 138 Injects a PE file into a foreign processes 15->138 25 kMKyneEf17.exe 15->25         started        27 kMKyneEf17.exe 12 17->27         started        29 kMKyneEf17.exe 19->29         started        process5 dnsIp6 98 api.2ip.ua 77.123.139.190, 443, 49720, 49723 VOLIA-ASUA Ukraine 21->98 82 C:\Users\user\AppData\...\kMKyneEf17.exe, PE32 21->82 dropped 84 C:\Users\...\kMKyneEf17.exe:Zone.Identifier, ASCII 21->84 dropped 31 kMKyneEf17.exe 21->31         started        34 icacls.exe 21->34         started        100 asvb.top 25->100 86 C:\Users\user\Desktop\kMKyneEf17.exe, data 25->86 dropped file7 process8 signatures9 140 Injects a PE file into a foreign processes 31->140 36 kMKyneEf17.exe 1 27 31->36         started        process10 dnsIp11 94 asvb.top 35.235.74.220, 49725, 49726, 49727 GOOGLEUS United States 36->94 96 api.2ip.ua 36->96 74 C:\Users\user\AppData\...\V01res00002.jrs, DOS 36->74 dropped 76 C:\Users\user\AppData\...\craw_background.js, DOS 36->76 dropped 78 C:\Users\user\AppData\...\updatewin2.exe, PE32 36->78 dropped 80 190 other files (178 malicious) 36->80 dropped 114 Infects executable files (exe, dll, sys, html) 36->114 116 Modifies existing user documents (likely ransomware behavior) 36->116 41 5.exe 36->41         started        44 updatewin2.exe 36->44         started        47 updatewin1.exe 2 36->47         started        file12 signatures13 process14 file15 118 Detected unpacking (changes PE section rights) 41->118 120 Detected unpacking (overwrites its own PE header) 41->120 122 Writes many files with high entropy 41->122 124 Injects a PE file into a foreign processes 41->124 49 5.exe 41->49         started        88 C:\Windows\System32\drivers\etc\hosts, ASCII 44->88 dropped 126 Mutes Antivirus updates and installments via hosts file black listing 44->126 128 Modifies the hosts file 44->128 54 updatewin1.exe 47->54         started        signatures16 process17 dnsIp18 90 tttttt.me 95.216.186.40, 443, 49734 HETZNER-ASDE Germany 49->90 92 34.105.230.174, 49735, 80 GOOGLEUS United States 49->92 66 C:\Users\user\AppData\...\sAoDTQERhRn.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 110 Tries to steal Mail credentials (via file access) 49->110 112 Tries to harvest and steal browser information (history, passwords, etc) 49->112 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       
Threat name:
Win32.Trojan.Azorult
Status:
Malicious
First seen:
2021-05-28 19:56:13 UTC
AV detection:
14 of 28 (50.00%)
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 ad4dde4dbe42e3bf37a3d6750cee190624fae08c8f592eaf688883eb89b006ae

(this sample)

  
Delivery method
Distributed via web download

Comments