MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a056d4e826dffe5c356b3a62dc01ec7407f0fad2bea2bdbcb2438c9bf21f2c9f. 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 YARA 2 File information Comments

SHA256 hash: a056d4e826dffe5c356b3a62dc01ec7407f0fad2bea2bdbcb2438c9bf21f2c9f
SHA3-384 hash: 2972fd2cefa02dc799344e7c8fed3e035a5d9e6923f4116f2c6dd111278507d03c8c1b331fd3c26e7f4c282db942744b
SHA1 hash: 58371aa05b9169f157982134d557f443cb22f232
MD5 hash: a8e1d5f14e030652e40d5ca885752510
humanhash: monkey-fifteen-seven-red
File name:a8e1d5f14e030652e40d5ca885752510.exe
Download: download sample
Signature Stop
File size:879'616 bytes
First seen:2021-06-17 06:49:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a88bf0d4e011f8e1919dc00ad8d99f15 (1 x RedLineStealer, 1 x ArkeiStealer, 1 x Stop)
ssdeep 12288:HL3x1cdS9Ik2+K09f/WV4DgN51Op/XK8QGpHsTfzNDpUl5lU7ZQNaiO4:rB1ff93DD64y8NHq165lKZQN3
Threatray 293 similar samples on MalwareBazaar
TLSH 6B150200B690C034F9F722F56AB69379943D79B1676890CF93E526FA56389E0EC30357
Reporter abuse_ch
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
160
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a8e1d5f14e030652e40d5ca885752510.exe
Verdict:
Suspicious activity
Analysis date:
2021-06-17 06:55:20 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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.
Malware family:
STOP Ransomware
Verdict:
Malicious
Result
Threat name:
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Signature
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
Injects a PE file into a foreign processes
Machine Learning detection for sample
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes many files with high entropy
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 435941 Sample: oofU8IxPZQ.exe Startdate: 17/06/2021 Architecture: WINDOWS Score: 100 55 Multi AV Scanner detection for domain / URL 2->55 57 Antivirus detection for URL or domain 2->57 59 Multi AV Scanner detection for submitted file 2->59 61 4 other signatures 2->61 8 oofU8IxPZQ.exe 2->8         started        11 oofU8IxPZQ.exe 2->11         started        13 oofU8IxPZQ.exe 2->13         started        15 oofU8IxPZQ.exe 2->15         started        process3 signatures4 65 Detected unpacking (overwrites its own PE header) 8->65 67 Contains functionality to inject code into remote processes 8->67 69 Writes many files with high entropy 8->69 17 oofU8IxPZQ.exe 1 18 8->17         started        71 Injects a PE file into a foreign processes 11->71 21 oofU8IxPZQ.exe 13 11->21         started        23 oofU8IxPZQ.exe 13 13->23         started        25 oofU8IxPZQ.exe 15->25         started        process5 dnsIp6 53 api.2ip.ua 77.123.139.190, 443, 49737, 49743 VOLIA-ASUA Ukraine 17->53 45 C:\Users\...\oofU8IxPZQ.exe:Zone.Identifier, ASCII 17->45 dropped 27 oofU8IxPZQ.exe 17->27         started        30 icacls.exe 17->30         started        file7 process8 signatures9 73 Injects a PE file into a foreign processes 27->73 32 oofU8IxPZQ.exe 1 18 27->32         started        process10 dnsIp11 47 asvb.top 32->47 49 192.168.2.1 unknown unknown 32->49 51 api.2ip.ua 32->51 37 C:\Users\user\AppData\Local\...\Apps.index, DOS 32->37 dropped 39 Uninstall_2020-07-...32433_1a6c-1898.log, DOS 32->39 dropped 41 C:\Users\user\AppData\...\craw_background.js, COM 32->41 dropped 43 218 other files (209 malicious) 32->43 dropped 63 Modifies existing user documents (likely ransomware behavior) 32->63 file12 signatures13
Threat name:
Win32.Trojan.Azorult
Status:
Malicious
First seen:
2021-06-16 07:10:29 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Modifies file permissions
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 a056d4e826dffe5c356b3a62dc01ec7407f0fad2bea2bdbcb2438c9bf21f2c9f

(this sample)

  
Delivery method
Distributed via web download

Comments