MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e8951a6a271ccd3f6e81dcc88703c9efe55abebb9439a48990e4ae863725c368. 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 1

SHA256 hash: e8951a6a271ccd3f6e81dcc88703c9efe55abebb9439a48990e4ae863725c368
SHA3-384 hash: f257b1268cfd709105d3995dc243a80fc6f7aad27bfa1c645842cd38b5ea554881ff47d68b39972a0357729e89c572af
SHA1 hash: 522a7b27b08fa10553f6916b695158d2abb6181a
MD5 hash: ecd481584059ed02c4f6d314ebf7af8b
humanhash: shade-happy-edward-uncle
File name:ECD481584059ED02C4F6D314EBF7AF8B.exe
Download: download sample
Signature Stop
File size:898'560 bytes
First seen:2021-05-12 06:15:36 UTC
Last seen:2021-05-12 07:01:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 6a72306840a854d575fa6619d1f51527 (2 x ArkeiStealer, 1 x Stop, 1 x RaccoonStealer)
ssdeep 24576:miQDriC31NAWqLmh5yqXorv+8J7SON61KyUx:4r71NABLmqaoK8hSOS5Ux
Threatray 101 similar samples on MalwareBazaar
TLSH BB1501117480C172DC6A1E358014DB785EABB8365B618ECBEA8D1BBEEF247D17B2134D
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://asvb.top/nddddhsspen6/get.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://asvb.top/nddddhsspen6/get.php https://threatfox.abuse.ch/ioc/35962/

Intelligence


File Origin
# of uploads :
2
# of downloads :
162
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Launching the default Windows debugger (dwwin.exe)
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.spre.adwa.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
Detected unpacking (overwrites its own PE header)
Found ransom note / readme
Infects executable files (exe, dll, sys, html)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies existing user documents (likely ransomware behavior)
Modifies the hosts file
Multi AV Scanner detection for dropped file
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)
Writes many files with high entropy
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 411872 Sample: rF27d1O1O2.exe Startdate: 12/05/2021 Architecture: WINDOWS Score: 100 80 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->80 82 Antivirus detection for URL or domain 2->82 84 Multi AV Scanner detection for dropped file 2->84 86 5 other signatures 2->86 12 rF27d1O1O2.exe 2->12         started        15 rF27d1O1O2.exe 2->15         started        process3 signatures4 104 Detected unpacking (overwrites its own PE header) 12->104 106 Contains functionality to inject code into remote processes 12->106 108 Writes many files with high entropy 12->108 17 rF27d1O1O2.exe 1 18 12->17         started        110 Injects a PE file into a foreign processes 15->110 21 rF27d1O1O2.exe 13 15->21         started        process5 dnsIp6 70 api.2ip.ua 77.123.139.190, 443, 49705, 49710 VOLIA-ASUA Ukraine 17->70 60 C:\Users\...\rF27d1O1O2.exe:Zone.Identifier, ASCII 17->60 dropped 23 rF27d1O1O2.exe 17->23         started        26 icacls.exe 17->26         started        file7 process8 signatures9 102 Injects a PE file into a foreign processes 23->102 28 rF27d1O1O2.exe 1 27 23->28         started        process10 dnsIp11 76 asvb.top 34.72.90.253, 49713, 49714, 49716 GOOGLEUS United States 28->76 78 api.2ip.ua 28->78 62 C:\Users\...\Built-In Building Blocks.dotx, DOS 28->62 dropped 64 C:\Users\user\...\TransmogProvider.dll.mui, DOS 28->64 dropped 66 C:\Users\user\AppData\Local\...\IndexedDB.edb, COM 28->66 dropped 68 318 other files (309 malicious) 28->68 dropped 112 Infects executable files (exe, dll, sys, html) 28->112 114 Modifies existing user documents (likely ransomware behavior) 28->114 33 updatewin2.exe 28->33         started        37 5.exe 28->37         started        40 updatewin1.exe 2 28->40         started        file12 signatures13 process14 dnsIp15 56 C:\Windows\System32\drivers\etc\hosts, ASCII 33->56 dropped 88 Antivirus detection for dropped file 33->88 90 Detected unpacking (overwrites its own PE header) 33->90 92 Mutes Antivirus updates and installments via hosts file black listing 33->92 94 Modifies the hosts file 33->94 72 tttttt.me 95.216.186.40, 443, 49727, 49730 HETZNER-ASDE Germany 37->72 74 34.89.59.109, 49731, 80 GOOGLEUS United States 37->74 58 C:\Users\user\AppData\LocalLow\sqlite3.dll, PE32 37->58 dropped 96 Multi AV Scanner detection for dropped file 37->96 98 Machine Learning detection for dropped file 37->98 100 Tries to harvest and steal browser information (history, passwords, etc) 37->100 42 WerFault.exe 37->42         started        44 WerFault.exe 37->44         started        46 WerFault.exe 37->46         started        50 2 other processes 37->50 48 updatewin1.exe 40->48         started        file16 signatures17 process18 process19 52 powershell.exe 48->52         started        process20 54 conhost.exe 52->54         started       
Threat name:
Win32.Trojan.Phonzy
Status:
Malicious
First seen:
2021-05-09 00:39:31 UTC
File Type:
PE (Exe)
Extracted files:
66
AV detection:
26 of 29 (89.66%)
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
Program crash
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
Suspicious use of NtCreateProcessExOtherParentProcess
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.

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-12 07:00:37 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0009.029] Anti-Behavioral Analysis::Instruction Testing
1) [C0027.009] Cryptography Micro-objective::RC4::Encrypt Data
2) [C0021.004] Cryptography Micro-objective::RC4 PRGA::Generate Pseudo-random Sequence
3) [C0049] File System Micro-objective::Get File Attributes
4) [C0052] File System Micro-objective::Writes File
5) [C0034.001] Operating System Micro-objective::Set Variable::Environment Variable
6) [C0040] Process Micro-objective::Allocate Thread Local Storage
7) [C0041] Process Micro-objective::Set Thread Local Storage Value
8) [C0018] Process Micro-objective::Terminate Process