MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fe9867448fb67fcadeb9f432d363b93e06ac3e3a7bc87e44a93f1f16746ea2e5. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments

SHA256 hash: fe9867448fb67fcadeb9f432d363b93e06ac3e3a7bc87e44a93f1f16746ea2e5
SHA3-384 hash: a1a402cd726ecbc9d387f3df5e725cb76c2db9bee33db669851a4b8a76b7e4eb9eff952c6bb338ef0ac87477996373f0
SHA1 hash: 4f7fa55fab58739bbadc3455178fbc7384677b6f
MD5 hash: 1f8c099a24f7397ff6893bcd5b06919c
humanhash: sixteen-music-coffee-seven
File name:fe9867448fb67fcadeb9f432d363b93e06ac3e3a7bc87e44a93f1f16746ea2e5
Download: download sample
Signature Stop
File size:710'208 bytes
First seen:2021-09-29 07:49:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9c01f3fd8ec8bde8dd4b2a07823228ae (2 x RedLineStealer, 1 x CoinMiner, 1 x Stop)
ssdeep 12288:Wr2WuSIDNj34caQtrkZA6HPN7K2x4eKWIp4hr93NDeYR/8IcPoONv6zBxMsCdqY4:g29+jZ7HPg2ZKpp4Z9dfl8IhONvYqL4
Threatray 732 similar samples on MalwareBazaar
TLSH T176E41225F9AEC933DBA7613408FAC365593E78B3DCA74557E18D53262E312808AE530F
File icon (PE):PE icon
dhash icon fcfcf4f4d4d4d8c0 (12 x RedLineStealer, 12 x RaccoonStealer, 3 x Smoke Loader)
Reporter JAMESWT_WT
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
141
Origin country :
n/a
Vendor Threat Intelligence
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 to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Malware family:
STOP Ransomware
Verdict:
Malicious
Result
Threat name:
Djvu Stop
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 (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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
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)
Yara detected Djvu Ransomware
Yara detected Stop Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 493315 Sample: Uyy2a3HdNc Startdate: 29/09/2021 Architecture: WINDOWS Score: 100 38 api.2ip.ua 2->38 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Multi AV Scanner detection for domain / URL 2->52 54 Antivirus detection for URL or domain 2->54 56 5 other signatures 2->56 9 Uyy2a3HdNc.exe 2->9         started        12 Uyy2a3HdNc.exe 2->12         started        signatures3 process4 signatures5 58 Detected unpacking (changes PE section rights) 9->58 60 Detected unpacking (overwrites its own PE header) 9->60 62 Contains functionality to inject code into remote processes 9->62 14 Uyy2a3HdNc.exe 1 18 9->14         started        64 Injects a PE file into a foreign processes 12->64 process6 dnsIp7 46 api.2ip.ua 77.123.139.190, 443, 49739, 49743 VOLIA-ASUA Ukraine 14->46 36 C:\Users\...\Uyy2a3HdNc.exe:Zone.Identifier, ASCII 14->36 dropped 18 Uyy2a3HdNc.exe 14->18         started        21 icacls.exe 14->21         started        file8 process9 signatures10 48 Injects a PE file into a foreign processes 18->48 23 Uyy2a3HdNc.exe 1 18 18->23         started        process11 dnsIp12 40 securebiz.org 121.136.102.4, 49744, 80 KIXS-AS-KRKoreaTelecomKR Korea Republic of 23->40 42 192.168.2.1 unknown unknown 23->42 44 2 other IPs or domains 23->44 28 C:\Users\user\...\Uyy2a3HdNc.exe.koom (copy), DOS 23->28 dropped 30 C:\Users\user\AppData\...\Uyy2a3HdNc.exe, DOS 23->30 dropped 32 C:\Users\user\...\settings.dat.koom (copy), COM 23->32 dropped 34 21 other files (3 malicious) 23->34 dropped 66 Modifies existing user documents (likely ransomware behavior) 23->66 file13 signatures14
Threat name:
Win32.Trojan.Racealer
Status:
Malicious
First seen:
2021-09-27 05:50:57 UTC
AV detection:
32 of 45 (71.11%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware
Behaviour
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
Detected Djvu ransomware
Djvu Ransomware
Unpacked files
SH256 hash:
52abed372fef8c6f6d2f618af456f01bb7840f6a20aeeac882e72f751e8c6c0b
MD5 hash:
0419ceafccad7b4aeeff524530093486
SHA1 hash:
89f265a3036b5642319c49b4f9f89defcc2617ad
Detections:
win_stop_auto
SH256 hash:
fe9867448fb67fcadeb9f432d363b93e06ac3e3a7bc87e44a93f1f16746ea2e5
MD5 hash:
1f8c099a24f7397ff6893bcd5b06919c
SHA1 hash:
4f7fa55fab58739bbadc3455178fbc7384677b6f
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.

Comments