MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4380c45fd46d1a63cffe4d37cf33b0710330a766b7700af86020a936cdd09cbe. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: 4380c45fd46d1a63cffe4d37cf33b0710330a766b7700af86020a936cdd09cbe
SHA3-384 hash: a9e629b730b40801822f31cb9c85fd4da5527a8a3e12414772773899cd1162533b9100fb0016fc31b6ea071f962eca71
SHA1 hash: 79a453d4e5403307b54205094ded4e5ff0382c71
MD5 hash: 7d208dd86e75c9c5900a85b08ef0b070
humanhash: neptune-lamp-sink-timing
File name:7d208dd86e75c9c5900a85b08ef0b070.exe
Download: download sample
Signature Stop
File size:775'168 bytes
First seen:2021-10-05 17:20:40 UTC
Last seen:2023-05-13 22:42:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash dd19d1f0ffda5384bb572fd4e5082d7e (4 x RaccoonStealer, 3 x RedLineStealer, 2 x ArkeiStealer)
ssdeep 12288:OIgLATm/kOWOkszScYwu8dzcUe38eVMzELqHuiVG/fAh8EUu8GBnEvBmQooPVlUo:uJ8Od35uGW31VM0f7du8XBm1l
TLSH T134F4011067E0C034F17726FA05B443B9A92DBEB06B3892CBA6E556EB52745E0ED31393
File icon (PE):PE icon
dhash icon e8e8e8e8aa66a499 (51 x RaccoonStealer, 27 x ArkeiStealer, 22 x RedLineStealer)
Reporter abuse_ch
Tags:exe Ransomware Stop

Intelligence


File Origin
# of uploads :
2
# of downloads :
521
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7d208dd86e75c9c5900a85b08ef0b070.exe
Verdict:
Suspicious activity
Analysis date:
2021-10-05 17:27:42 UTC
Tags:
n/a

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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
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)
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 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
Writes many files with high entropy
Yara detected Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 497437 Sample: KozkTQGLvd.exe Startdate: 05/10/2021 Architecture: WINDOWS Score: 100 38 116.203.245.137, 80 HETZNER-ASDE Germany 2->38 40 mas.to 88.99.75.82, 443, 49771 HETZNER-ASDE Germany 2->40 42 api.2ip.ua 2->42 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 submitted file 2->60 62 7 other signatures 2->62 9 KozkTQGLvd.exe 2->9         started        12 KozkTQGLvd.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 Writes many files with high entropy 9->68 14 KozkTQGLvd.exe 1 17 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, 49734, 49747 VOLIA-ASUA Ukraine 14->50 52 192.168.2.1 unknown unknown 14->52 36 C:\Users\...\KozkTQGLvd.exe:Zone.Identifier, ASCII 14->36 dropped 18 KozkTQGLvd.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 KozkTQGLvd.exe 1 25 18->23         started        process11 dnsIp12 44 znpst.top 211.169.6.249, 49754, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 23->44 46 securebiz.org 179.52.22.168, 49753, 49769, 80 CompaniaDominicanadeTelefonosSADO Dominican Republic 23->46 48 api.2ip.ua 23->48 28 C:\Users\user\AppData\Local\...\build3.exe, PE32 23->28 dropped 30 C:\Users\user\AppData\...\RE4wqj5[1].jpg, DOS 23->30 dropped 32 {BEF9C385-02EE-11E...A-ECF4BBEA1588}.dat, DOS 23->32 dropped 34 359 other files (347 malicious) 23->34 dropped 72 Modifies existing user documents (likely ransomware behavior) 23->72 file13 signatures14
Threat name:
Win32.Ransomware.Stop
Status:
Malicious
First seen:
2021-10-05 14:49:16 UTC
AV detection:
25 of 45 (55.56%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:517 discovery persistence ransomware stealer suricata
Behaviour
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Loads dropped DLL
Modifies file permissions
Downloads MZ/PE file
Executes dropped EXE
Vidar Stealer
Detected Djvu ransomware
Djvu Ransomware
Vidar
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
Malware Config
C2 Extraction:
https://mas.to/@bardak1ho
Unpacked files
SH256 hash:
70149b3d34940262aa114984733fe4567dd7745bd82792e858ea78605b88fe9f
MD5 hash:
215f87eb40c9657d1b3f03cbee80691b
SHA1 hash:
1a245603014ffe8338f2e061522892241178512a
Detections:
win_stop_auto
SH256 hash:
4380c45fd46d1a63cffe4d37cf33b0710330a766b7700af86020a936cdd09cbe
MD5 hash:
7d208dd86e75c9c5900a85b08ef0b070
SHA1 hash:
79a453d4e5403307b54205094ded4e5ff0382c71
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 4380c45fd46d1a63cffe4d37cf33b0710330a766b7700af86020a936cdd09cbe

(this sample)

  
Delivery method
Distributed via web download

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