MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f143bbe553f5f47b2a9cc4e4ff67a3c87694829429e2bcc8be46e3c8c6258f3e. 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 4 File information Comments

SHA256 hash: f143bbe553f5f47b2a9cc4e4ff67a3c87694829429e2bcc8be46e3c8c6258f3e
SHA3-384 hash: 9372fe615a568f1f7d2201171699deb0fef1c9df35c6ea604b4e142ab579a5f1913b175d7a8b67aae5455bbd4c9a9c85
SHA1 hash: 150b53166e114ac4008bb92f11960e238504e847
MD5 hash: 46d0052e2476e21114b6d4732c615920
humanhash: sierra-ink-football-maine
File name:f143bbe553f5f47b2a9cc4e4ff67a3c87694829429e2bcc8be46e3c8c6258f3e
Download: download sample
Signature Stop
File size:821'248 bytes
First seen:2021-09-23 07:08:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f74a0f3da1e112835a6ac32552c0a4d2 (9 x RedLineStealer, 5 x ArkeiStealer, 4 x RaccoonStealer)
ssdeep 24576:MoITbhO06fd8uVac3x0iGuISK+sbsJuURvZuDL:ic5VD0itTs4pxw
Threatray 696 similar samples on MalwareBazaar
TLSH T1A005012132F0C034F6F712B959B99268B93F7DB1A73894CFA2D515EA99A4AD0CC30357
File icon (PE):PE icon
dhash icon ead8ac9cc6e68ee0 (118 x RaccoonStealer, 102 x RedLineStealer, 46 x Smoke Loader)
Reporter JAMESWT_WT
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:
f143bbe553f5f47b2a9cc4e4ff67a3c87694829429e2bcc8be46e3c8c6258f3e
Verdict:
Suspicious activity
Analysis date:
2021-09-23 07:41:05 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Malware family:
STOP Ransomware
Verdict:
Malicious
Result
Threat name:
Clipboard Hijacker Djvu Vidar
Detection:
malicious
Classification:
rans.troj.spyw.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)
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 dropped file
Multi AV Scanner detection for submitted 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
Yara detected Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 488769 Sample: ful59kYtVh Startdate: 23/09/2021 Architecture: WINDOWS Score: 100 40 159.69.203.58, 49747, 80 HETZNER-ASDE Germany 2->40 42 mas.to 88.99.75.82, 443, 49745 HETZNER-ASDE Germany 2->42 44 2 other IPs or domains 2->44 56 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->56 58 Antivirus detection for URL or domain 2->58 60 Multi AV Scanner detection for dropped file 2->60 62 8 other signatures 2->62 9 ful59kYtVh.exe 2->9         started        12 ful59kYtVh.exe 2->12         started        signatures3 process4 signatures5 64 Detected unpacking (overwrites its own PE header) 9->64 66 Contains functionality to inject code into remote processes 9->66 68 Injects a PE file into a foreign processes 9->68 14 ful59kYtVh.exe 1 16 9->14         started        70 Multi AV Scanner detection for dropped file 12->70 72 Machine Learning detection for dropped file 12->72 process6 dnsIp7 52 api.2ip.ua 77.123.139.190, 443, 49738, 49739 VOLIA-ASUA Ukraine 14->52 36 C:\Users\user\AppData\...\ful59kYtVh.exe, PE32 14->36 dropped 38 C:\Users\...\ful59kYtVh.exe:Zone.Identifier, ASCII 14->38 dropped 18 ful59kYtVh.exe 14->18         started        21 icacls.exe 14->21         started        file8 process9 signatures10 54 Injects a PE file into a foreign processes 18->54 23 ful59kYtVh.exe 1 24 18->23         started        process11 dnsIp12 46 wrrst.top 175.126.109.15, 49741, 49743, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 23->46 48 securebiz.org 186.74.208.84, 49740, 80 CableWirelessPanamaPA Panama 23->48 50 api.2ip.ua 23->50 28 C:\Users\user\AppData\Local\...\build3.exe, PE32 23->28 dropped 30 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 23->30 dropped 32 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 23->32 dropped 34 20 other files (3 malicious) 23->34 dropped 74 Modifies existing user documents (likely ransomware behavior) 23->74 file13 signatures14
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2021-09-23 03:14:11 UTC
AV detection:
25 of 45 (55.56%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar discovery persistence ransomware spyware stealer
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
Unpacked files
SH256 hash:
52abed372fef8c6f6d2f618af456f01bb7840f6a20aeeac882e72f751e8c6c0b
MD5 hash:
0419ceafccad7b4aeeff524530093486
SHA1 hash:
89f265a3036b5642319c49b4f9f89defcc2617ad
Detections:
win_stop_auto
SH256 hash:
f143bbe553f5f47b2a9cc4e4ff67a3c87694829429e2bcc8be46e3c8c6258f3e
MD5 hash:
46d0052e2476e21114b6d4732c615920
SHA1 hash:
150b53166e114ac4008bb92f11960e238504e847
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.

File information


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

Web download

Stop

Executable exe f143bbe553f5f47b2a9cc4e4ff67a3c87694829429e2bcc8be46e3c8c6258f3e

(this sample)

  
Delivery method
Distributed via web download

Comments