MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e9a93d1ce4efc043eb8468247cc34a142043714f6e7c3b6a42d17e2e78e37869. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments

SHA256 hash: e9a93d1ce4efc043eb8468247cc34a142043714f6e7c3b6a42d17e2e78e37869
SHA3-384 hash: 709e271d631fcc949676e5616d65989f100e4de1a918059e423b447277b9451a3dfa8c590f0311a598337a2d9c259d35
SHA1 hash: d85ebcc58e16abdcbc076d7162e5857eaf3499d1
MD5 hash: 1d8cfa1ed92bc6e56f519a2fe606873c
humanhash: utah-seven-california-floor
File name:1.exe
Download: download sample
Signature Stop
File size:745'472 bytes
First seen:2021-10-31 13:41:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c0df013463ae9c6441312a1218343a59 (12 x RaccoonStealer, 2 x RedLineStealer, 1 x Smoke Loader)
ssdeep 12288:li5PClwzlP5iFiZkxBYo0bL68oZYXdkYPpUWgNcXJAivU4Ey3KMkq+auunn:5KRiFiQ/ioZYXdkg+WGG7UTbMkA
TLSH T118F41230B69DC072C4E716348C6495915A2BF8636B71498A77A0373D8F31E8C9EFA35E
File icon (PE):PE icon
dhash icon fcfcf4d4d4dcd8c8 (6 x RaccoonStealer, 6 x RedLineStealer, 5 x Glupteba)
Reporter Anonymous
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
280
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1.exe
Verdict:
Malicious activity
Analysis date:
2021-10-31 13:30:30 UTC
Tags:
trojan ransomware stop loader stealer vidar

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Connection attempt to an infection source
Sending an HTTP GET request
Sending an HTTP GET request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
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.troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Found malware configuration
Found ransom note / readme
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 512430 Sample: 1.exe Startdate: 31/10/2021 Architecture: WINDOWS Score: 100 54 Multi AV Scanner detection for domain / URL 2->54 56 Found malware configuration 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 4 other signatures 2->60 8 1.exe 2->8         started        11 1.exe 2->11         started        13 1.exe 2->13         started        15 1.exe 2->15         started        process3 signatures4 64 Injects a PE file into a foreign processes 8->64 17 1.exe 19 8->17         started        66 Contains functionality to inject code into remote processes 11->66 22 1.exe 1 17 11->22         started        68 Machine Learning detection for dropped file 13->68 24 1.exe 13 13->24         started        26 1.exe 13 15->26         started        process5 dnsIp6 48 rlrz.org 121.136.102.4, 49755, 80 KIXS-AS-KRKoreaTelecomKR Korea Republic of 17->48 36 C:\Users\user\_readme.txt, ASCII 17->36 dropped 38 C:\Users\user\Desktop\...EGWXUHVUG.mp3, data 17->38 dropped 40 C:\Users\user\Desktop\...\KLIZUSIQEN.mp3, data 17->40 dropped 46 3 other malicious files 17->46 dropped 62 Modifies existing user documents (likely ransomware behavior) 17->62 50 api.2ip.ua 77.123.139.190, 443, 49748, 49749 VOLIA-ASUA Ukraine 22->50 42 C:\Users\user\AppData\Local\...\1.exe, PE32 22->42 dropped 44 C:\Users\user\...\1.exe:Zone.Identifier, ASCII 22->44 dropped 28 1.exe 22->28         started        31 icacls.exe 22->31         started        file7 signatures8 process9 signatures10 70 Injects a PE file into a foreign processes 28->70 33 1.exe 13 28->33         started        process11 dnsIp12 52 api.2ip.ua 33->52
Threat name:
Win32.Backdoor.Convagent
Status:
Malicious
First seen:
2021-10-31 13:42:05 UTC
AV detection:
25 of 45 (55.56%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:517 discovery persistence ransomware spyware stealer suricata
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
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 web browsers
Downloads MZ/PE file
Executes dropped EXE
Vidar Stealer
Detected Djvu ransomware
Djvu Ransomware
Vidar
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
Malware Config
C2 Extraction:
https://mas.to/@lilocc
http://rlrz.org/lancer
Unpacked files
SH256 hash:
18b94c9c2fc9675197f1603729987ac1f0c845066114cdbe94e6e06206f800fc
MD5 hash:
bc01883a54b7a1bf0bfe936413446734
SHA1 hash:
ffaac76e75a74118f4e3043ab846c13863842017
Detections:
win_stop_auto
SH256 hash:
e9a93d1ce4efc043eb8468247cc34a142043714f6e7c3b6a42d17e2e78e37869
MD5 hash:
1d8cfa1ed92bc6e56f519a2fe606873c
SHA1 hash:
d85ebcc58e16abdcbc076d7162e5857eaf3499d1
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
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:win_stop_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stop.
Rule name:XOREngine_Misc_XOR_Func
Author:smiller cc @florian @wesley idea on implementation with yara's built in XOR function
Description:Use with care, https://twitter.com/cyb3rops/status/1237042104406355968

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments