MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51ec15e556be63f144a4a105d55432853b109f4595ec820f34cae748ab22de5c. 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 4 File information Comments

SHA256 hash: 51ec15e556be63f144a4a105d55432853b109f4595ec820f34cae748ab22de5c
SHA3-384 hash: bf0b420a60b64b0d87df6fda65cdeb9d144d9161ba2d23f1f44f9a6f430b5a3ea433cb107d76ba4c048d5682f0dccf37
SHA1 hash: 9a0edbcac16a4f9bbfdbb5fb6ffa21ee6fcda959
MD5 hash: 1f8c96aa55449f6bbee417f4093b5433
humanhash: earth-king-angel-harry
File name:51ec15e556be63f144a4a105d55432853b109f4595ec820f34cae748ab22de5c
Download: download sample
Signature Stop
File size:822'784 bytes
First seen:2021-09-24 06:08:25 UTC
Last seen:2021-09-24 07:15:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 110da1023e5bbd9b585d5ac7f21f7aaf (4 x RedLineStealer, 2 x RaccoonStealer, 2 x Tofsee)
ssdeep 24576:NM0Mb6Hwo3IS1XXJPxLeVSB2K4U2JdeOhQr31d:7HHwUtJH4T3thQr
Threatray 710 similar samples on MalwareBazaar
TLSH T1C705011073E0C034F5B712BA5ABA83B9B42D7EB16B78D5CF62D41AE652A46D4CC30397
File icon (PE):PE icon
dhash icon aad8ac9cc6a68ee0 (34 x RedLineStealer, 14 x RaccoonStealer, 11 x Smoke Loader)
Reporter JAMESWT_WT
Tags:exe Stop

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://wrrst.top/fhsgtsspen6/get.php https://threatfox.abuse.ch/ioc/225699/

Intelligence


File Origin
# of uploads :
2
# of downloads :
140
Origin country :
n/a
Vendor Threat Intelligence
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 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
Writes many files with high entropy
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: 489710 Sample: LT8x22KHHG Startdate: 24/09/2021 Architecture: WINDOWS Score: 100 38 159.69.203.58, 49749, 80 HETZNER-ASDE Germany 2->38 40 mas.to 88.99.75.82, 443, 49748 HETZNER-ASDE Germany 2->40 42 3 other IPs or domains 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 dropped file 2->60 62 10 other signatures 2->62 9 LT8x22KHHG.exe 2->9         started        12 LT8x22KHHG.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 LT8x22KHHG.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, 49741, 49742 VOLIA-ASUA Ukraine 14->50 52 192.168.2.1 unknown unknown 14->52 36 C:\Users\...\LT8x22KHHG.exe:Zone.Identifier, ASCII 14->36 dropped 18 LT8x22KHHG.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 LT8x22KHHG.exe 1 24 18->23         started        process11 dnsIp12 44 securebiz.org 211.59.14.90, 49743, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 23->44 46 wrrst.top 115.91.217.231, 49744, 49746, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 23->46 48 api.2ip.ua 23->48 28 C:\Users\user\...\V01res00002.jrs.koom (copy), DOS 23->28 dropped 30 C:\Users\user\...\USStmp.jtx.koom (copy), DOS 23->30 dropped 32 C:\Users\user\AppData\...\www.bing[1].xml, DOS 23->32 dropped 34 297 other files (289 malicious) 23->34 dropped 72 Modifies existing user documents (likely ransomware behavior) 23->72 file13 signatures14
Threat name:
Win32.Trojan.Fragtor
Status:
Malicious
First seen:
2021-09-24 00:25:56 UTC
AV detection:
17 of 28 (60.71%)
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:
51ec15e556be63f144a4a105d55432853b109f4595ec820f34cae748ab22de5c
MD5 hash:
1f8c96aa55449f6bbee417f4093b5433
SHA1 hash:
9a0edbcac16a4f9bbfdbb5fb6ffa21ee6fcda959
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 51ec15e556be63f144a4a105d55432853b109f4595ec820f34cae748ab22de5c

(this sample)

  
Delivery method
Distributed via web download

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