MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 86991719c854f9ee191c5212aa100155dc8a34df4ba6812e082368f5d64d07b9. 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 1 YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 86991719c854f9ee191c5212aa100155dc8a34df4ba6812e082368f5d64d07b9
SHA3-384 hash: 2e1069206804cef74d7d698020e1e92f55fb25bc836a3a8350a5a4213497b2d5064685e1c0f1dc0fe757949b009ea9fa
SHA1 hash: 8214aec5f70da8e9a6e0790ff1589f09ccbc4f13
MD5 hash: 89259c54c606cd981a4009df679b4f7b
humanhash: nevada-papa-zulu-moon
File name:89259c54c606cd981a4009df679b4f7b.exe
Download: download sample
Signature Stop
Create hunting rule
File size:747'008 bytes
First seen:2022-10-11 14:20:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4db5fa00d6d53e828ab0bf90238303f5 (6 x Smoke Loader, 1 x Nymaim, 1 x Stop)
ssdeep 12288:DB4v06RgABssb+rVB2MLJgdjvo0Io9O7yPpOVu1eh4wNhmc1C+uzO3tG9F6/0:DaBvBr65XlJxog2PwVu1eh4wu0CnzB9j
Threatray 2'138 similar samples on MalwareBazaar
TLSH T1A2F4122134C0C872E1B30535CE24C6B5AFBFB8755979638B3B9456AD4F32AE39E24346
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 9a9acafecee6eaee (53 x Smoke Loader, 24 x Amadey, 14 x RedLineStealer)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://195.201.251.151/

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://195.201.251.151/ https://threatfox.abuse.ch/ioc/876971/

Intelligence

File Origin
# of uploads :
1
# of downloads :
242
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/318981/
Detection(s):
Win.Packed.Dropperx-9973281-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Сreating synchronization primitives
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Sending a custom TCP request
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm emotet greyware packed ursnif
Link:
https://www.filescan.io/uploads/63457bd084a686684c9a6dd5/reports/7840da81-dec7-4d92-a3de-ff38574685e9/overview
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e13cd10d-21cc-46cc-953f-bddc05f85c75
Result
Threat name:
Babuk, Clipboard Hijacker, Djvu, Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1088111
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found ransom note / readme
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses schtasks.exe or at.exe to add and modify task schedules
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Yara detected Babuk Ransomware
Yara detected Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 720704 Sample: 36foy3jRZG.exe Startdate: 11/10/2022 Architecture: WINDOWS Score: 100 88 Snort IDS alert for network traffic 2->88 90 Multi AV Scanner detection for domain / URL 2->90 92 Malicious sample detected (through community Yara rule) 2->92 94 11 other signatures 2->94 11 36foy3jRZG.exe 2->11         started        14 36foy3jRZG.exe 2->14         started        16 36foy3jRZG.exe 2->16         started        18 2 other processes 2->18 process3 signatures4 104 Writes a notice file (html or txt) to demand a ransom 11->104 106 Writes many files with high entropy 11->106 108 Injects a PE file into a foreign processes 11->108 20 36foy3jRZG.exe 1 16 11->20         started        110 Multi AV Scanner detection for dropped file 14->110 112 Machine Learning detection for dropped file 14->112 24 36foy3jRZG.exe 12 14->24         started        26 36foy3jRZG.exe 16->26         started        28 36foy3jRZG.exe 18->28         started        30 schtasks.exe 18->30         started        process5 dnsIp6 76 api.2ip.ua 162.0.217.254, 443, 49690, 49693 ACPCA Canada 20->76 58 C:\Users\user\AppData\...\36foy3jRZG.exe, PE32 20->58 dropped 60 C:\Users\...\36foy3jRZG.exe:Zone.Identifier, ASCII 20->60 dropped 32 36foy3jRZG.exe 20->32         started        35 icacls.exe 20->35         started        78 winnlinne.com 26->78 37 conhost.exe 30->37         started        file7 process8 signatures9 86 Injects a PE file into a foreign processes 32->86 39 36foy3jRZG.exe 1 25 32->39         started        process10 dnsIp11 80 rgyui.top 187.212.210.12, 49695, 80 UninetSAdeCVMX Mexico 39->80 82 winnlinne.com 190.117.75.91, 49694, 49696, 49702 AmericaMovilPeruSACPE Peru 39->82 84 2 other IPs or domains 39->84 62 C:\Users\user\AppData\Local\...\build2.exe, PE32 39->62 dropped 64 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 39->64 dropped 66 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 39->66 dropped 68 124 other malicious files 39->68 dropped 102 Modifies existing user documents (likely ransomware behavior) 39->102 44 build2.exe 39->44         started        47 build3.exe 39->47         started        file12 signatures13 process14 file15 114 Multi AV Scanner detection for dropped file 44->114 50 build2.exe 44->50         started        70 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 47->70 dropped 116 Uses schtasks.exe or at.exe to add and modify task schedules 47->116 54 schtasks.exe 47->54         started        signatures16 process17 dnsIp18 72 t.me 149.154.167.99, 443, 49697 TELEGRAMRU United Kingdom 50->72 74 195.201.251.151, 49698, 80 HETZNER-ASDE Germany 50->74 96 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 50->96 98 Tries to harvest and steal browser information (history, passwords, etc) 50->98 100 Tries to steal Crypto Currency Wallets 50->100 56 conhost.exe 54->56         started        signatures19 process20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/86991719c854f9ee191c5212aa100155dc8a34df4ba6812e082368f5d64d07b9/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2022-10-11 14:21:10 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=q2mrogoikt464gi4kijkueabkxoiung7joticlqienuplvsna64q._file
Verdict:
malicious
Similar samples:
0ae963ac7542ddfe811bd5c03b21ef404a2f2289c1bf878fccd3710cd567e97f
Stop
1bc660c1295624da421b31b1eaf463492681a7ecc3873f7209cd711d43654526
Stop
66bcf0f385276b3f47ac0e8ed8c12b063a29e9873bbc09b9707d063d6238a08f
Stop
77f6a304c9f641f5c2bb23f1071a28518532f08ecf6aaf99133dfcc89491bcd8
Stop
920bc16f455bd52d4c83c740c767379049bd4db8ef407d7c70f87e0a41818539
Stop
9afbb8c00bf106a25976ed149b7b5b5009c2c1a918ed60ea939624ea7e6b01ce
Stop
df03446a7935255e535ac0db6e92da530ef948780a213a20dbde2af3703f6254
Stop
ec93ce8cce6f314e3df3ff7e7bed1e2acbe48e6871584c7ec4ef49a5febd4aa9
Stop
f4fbc06c3470e09decdd7aaaf248188cab8400f70065c5d55becd8c804a57d82
Stop
+ 2'128 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:517 discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/221011-rnzkrshgdl/
Behaviour
Checks processor information in registry
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
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
Checks computer location settings
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
http://winnlinne.com/test1/get.php
https://t.me/truewallets
https://mas.to/@zara99
http://116.203.10.3:80
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/60968ec5-1af7-4a28-9bcc-5e55517df268
Unpacked files
SH256 hash:
c9c3df6e4de7f52fa280065ed4d4b08e511eddc4db5ea82bd619548260341991
MD5 hash:
3806a1855824d6ce6489abd3fa103ee5
SHA1 hash:
1d22dfaaabe65a85425354843dc8dbb5406d4203
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/ac3a5227-d87a-4531-bd6f-46277fe93d82/
Parent samples :
86991719c854f9ee191c5212aa100155dc8a34df4ba6812e082368f5d64d07b9
00ea6e26b60dff05725ce0ae228277cf8d651a5e2efc1fd7e3ff106dac3af2e3
8e68d0c5c49b320b733435719e615638a67aed01a665ad812d2258368084a36c
dfe544bed923a0667aef2c1079aa6d18747100f2dfd6d15844d6cc92f8404b7d
5e99a9a0c73bad089644079b589b84dfdfcbb9785fa0307383bfe747785e33cc
e5d48b1719887593097f84da8ac2f64615aacac95dc2697c0857959abc10bbaa
fa2b4c59755bb42bd1a7523d072dff273dad18909d1d85dd48c5f6b17a531857
9e9f4e923ecd77b81a6d460031069c4a16ca9f79e534043d8aadfe3416257790
e0cb601e5af66857ed47154bf59ce6ebba70221cf7e9fbba967d3a67fdab31ba
SH256 hash:
86991719c854f9ee191c5212aa100155dc8a34df4ba6812e082368f5d64d07b9
MD5 hash:
89259c54c606cd981a4009df679b4f7b
SHA1 hash:
8214aec5f70da8e9a6e0790ff1589f09ccbc4f13
Link:
https://www.unpac.me/results/ac3a5227-d87a-4531-bd6f-46277fe93d82/
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/86991719c854/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/86991719c854f9ee191c5212aa100155dc8a34df4ba6812e082368f5d64d07b9

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
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:win_stop_auto
Create hunting rule
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 86991719c854f9ee191c5212aa100155dc8a34df4ba6812e082368f5d64d07b9

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2261244/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/318981/

Comments