MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 adc2c80f4a9f969a641f2674c94bd576420b34d338b12ba5b4cab09e6c51a466. 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: adc2c80f4a9f969a641f2674c94bd576420b34d338b12ba5b4cab09e6c51a466
SHA3-384 hash: 92915185af9a8cccc4d33a940ebc7a5ab274710511edbecef22da71e280b186185bd74d56393b054b61c5d0c0d5bf376
SHA1 hash: cb7e1c1b3fbd9bff93c81efef319254d32636b67
MD5 hash: 3828de95c4e8146d8e220230690b3be9
humanhash: kilo-arizona-oven-pip
File name:3828de95c4e8146d8e220230690b3be9.exe
Download: download sample
Signature Stop
File size:818'176 bytes
First seen:2021-08-01 06:35:46 UTC
Last seen:2021-08-01 07:56:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c8b9c145ec19b60e1b1e5259a226415a (2 x RedLineStealer, 1 x TeamBot, 1 x Stop)
ssdeep 24576:1B6ks2FGVfiFOvt+bO2VMasx137Y6QTyc:n6Lrpt+blVsz0
Threatray 404 similar samples on MalwareBazaar
TLSH T1830512217340D577C39A09B48061C364736A6CF299754A473A9873AC2EF33F15BB2E9E
dhash icon 48b9b2b4e8c18890 (3 x RedLineStealer, 2 x Stop)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://astdg.top/fhsgtsspen6/get.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://astdg.top/fhsgtsspen6/get.php https://threatfox.abuse.ch/ioc/165211/

Intelligence


File Origin
# of uploads :
2
# of downloads :
1'361
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3828de95c4e8146d8e220230690b3be9.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-01 06:38:10 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
UNKNOWN
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:
Djvu Vidar
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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 dropped file
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes many files with high entropy
Yara detected Djvu Ransomware
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 457428 Sample: 4Dm89IWqe9.exe Startdate: 01/08/2021 Architecture: WINDOWS Score: 100 38 116.202.183.50, 49732, 80 HETZNER-ASDE Germany 2->38 40 shpak125.tumblr.com 74.114.154.18, 443, 49731 AUTOMATTICUS Canada 2->40 42 2 other IPs or domains 2->42 54 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->54 56 Multi AV Scanner detection for domain / URL 2->56 58 Antivirus detection for URL or domain 2->58 60 9 other signatures 2->60 9 4Dm89IWqe9.exe 2->9         started        12 4Dm89IWqe9.exe 2->12         started        signatures3 process4 signatures5 62 Detected unpacking (changes PE section rights) 9->62 64 Detected unpacking (overwrites its own PE header) 9->64 66 Contains functionality to inject code into remote processes 9->66 68 Writes many files with high entropy 9->68 14 4Dm89IWqe9.exe 1 16 9->14         started        70 Injects a PE file into a foreign processes 12->70 process6 dnsIp7 50 api.2ip.ua 77.123.139.190, 443, 49716, 49722 VOLIA-ASUA Ukraine 14->50 36 C:\Users\...\4Dm89IWqe9.exe:Zone.Identifier, ASCII 14->36 dropped 18 4Dm89IWqe9.exe 14->18         started        21 icacls.exe 14->21         started        file8 process9 signatures10 52 Injects a PE file into a foreign processes 18->52 23 4Dm89IWqe9.exe 1 25 18->23         started        process11 dnsIp12 44 securebiz.org 187.190.48.60, 49724, 80 TOTALPLAYTELECOMUNICACIONESSADECVMX Mexico 23->44 46 astdg.top 58.228.68.101, 49725, 49728, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 23->46 48 api.2ip.ua 23->48 28 StartUnifiedTileMo...che.dat.nooa (copy), DOS 23->28 dropped 30 CortanaUnifiedTile...che.dat.nooa (copy), DOS 23->30 dropped 32 C:\Users\user\...\USS.jtx.nooa (copy), DOS 23->32 dropped 34 237 other files (230 malicious) 23->34 dropped 72 Modifies existing user documents (likely ransomware behavior) 23->72 file13 signatures14
Threat name:
Win32.Trojan.Caynamer
Status:
Malicious
First seen:
2021-08-01 07:06:08 UTC
AV detection:
19 of 46 (41.30%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar botnet:517 discovery persistence spyware stealer suricata
Behaviour
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Checks processor information in registry
Creates scheduled task(s)
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
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://shpak125.tumblr.com/
Unpacked files
SH256 hash:
adc2c80f4a9f969a641f2674c94bd576420b34d338b12ba5b4cab09e6c51a466
MD5 hash:
3828de95c4e8146d8e220230690b3be9
SHA1 hash:
cb7e1c1b3fbd9bff93c81efef319254d32636b67
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 adc2c80f4a9f969a641f2674c94bd576420b34d338b12ba5b4cab09e6c51a466

(this sample)

  
Delivery method
Distributed via web download

Comments