MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8ad6344537c95c3421926b12bfe0de0931676b94c9f624744249343d84bf4de. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f8ad6344537c95c3421926b12bfe0de0931676b94c9f624744249343d84bf4de
SHA3-384 hash: 6dd0cd14a25aeb7ed6f855b8b1524215d0c3f3293582e08c5759053e2c62b776adb9633ea4c403a99f9ec0904f31e752
SHA1 hash: aa73fafc5a2af3cc4885e38647107084498e1dcb
MD5 hash: 5e6416952139a16d85f106a32ce9b89a
humanhash: asparagus-white-romeo-arkansas
File name:f8ad6344537c95c3421926b12bfe0de0931676b94c9f624744249343d84bf4de
Download: download sample
Signature Stop
Create hunting rule
File size:766'464 bytes
First seen:2021-09-22 13:21:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b4a5f131bf57e0871ab3cda52113b279 (4 x RedLineStealer, 2 x RaccoonStealer, 2 x Stop)
ssdeep 12288:MZLKecTHkq4Ynm/FSaUQmg0yhwvSePUy1B2FSfRIX0k5XACdBai:MZLK9EzYm/H+gePU4z5IX9Qch
Threatray 665 similar samples on MalwareBazaar
TLSH T1EEF4120075508EB2E62B61315720E2B4DB2A7E6695B08BCF1317373EAF302917E7775A
File icon (PE):PE icon
dhash icon b27a7c7d727e6e76 (9 x RaccoonStealer, 1 x RedLineStealer, 1 x AZORult)
Reporter JAMESWT_WT
Tags:exe Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
173
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f8ad6344537c95c3421926b12bfe0de0931676b94c9f624744249343d84bf4de
Verdict:
Suspicious activity
Analysis date:
2021-09-22 14:05:59 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2122d1b3-189c-4b7a-ae9f-09b61b01307d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Vidar
Create hunting rule
Link:
https://www.capesandbox.com/analysis/190263/
Detection(s):
Win.Packed.Generic-9895572-0
Create hunting rule

Win.Packed.Generic-9895679-0
Create hunting rule

Malware family:
STOP Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fd84cfe6-925e-4f08-bc4e-3d976c767024
Result
Threat name:
Djvu Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/855795
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)
Found ransom note / readme
Infects executable files (exe, dll, sys, html)
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 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)
Writes many files with high entropy
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 488227 Sample: zO1QrDAeSg Startdate: 22/09/2021 Architecture: WINDOWS Score: 100 70 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->70 72 Antivirus detection for URL or domain 2->72 74 Multi AV Scanner detection for dropped file 2->74 76 6 other signatures 2->76 11 zO1QrDAeSg.exe 2->11         started        14 zO1QrDAeSg.exe 2->14         started        16 zO1QrDAeSg.exe 2->16         started        18 zO1QrDAeSg.exe 2->18         started        process3 signatures4 84 Detected unpacking (changes PE section rights) 11->84 86 Detected unpacking (overwrites its own PE header) 11->86 88 Contains functionality to inject code into remote processes 11->88 90 Writes many files with high entropy 11->90 20 zO1QrDAeSg.exe 1 17 11->20         started        92 Injects a PE file into a foreign processes 14->92 24 zO1QrDAeSg.exe 12 14->24         started        26 zO1QrDAeSg.exe 16->26         started        28 zO1QrDAeSg.exe 18->28         started        process5 dnsIp6 64 api.2ip.ua 77.123.139.190, 443, 49742, 49743 VOLIA-ASUA Ukraine 20->64 66 192.168.2.1 unknown unknown 20->66 56 C:\Users\...\zO1QrDAeSg.exe:Zone.Identifier, ASCII 20->56 dropped 30 zO1QrDAeSg.exe 20->30         started        33 icacls.exe 20->33         started        file7 process8 signatures9 94 Injects a PE file into a foreign processes 30->94 35 zO1QrDAeSg.exe 1 20 30->35         started        process10 dnsIp11 58 securebiz.org 91.203.174.38, 49744, 80 LITTEL-ASRU Uzbekistan 35->58 60 tbpws.top 35->60 62 api.2ip.ua 35->62 48 C:\Users\user\AppData\Local\...\build2.exe, PE32 35->48 dropped 50 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 35->50 dropped 52 C:\_readme.txt, ASCII 35->52 dropped 54 315 other files (308 malicious) 35->54 dropped 78 Infects executable files (exe, dll, sys, html) 35->78 80 Modifies existing user documents (likely ransomware behavior) 35->80 40 build2.exe 35->40         started        file12 signatures13 process14 signatures15 82 Injects a PE file into a foreign processes 40->82 43 build2.exe 40->43         started        process16 dnsIp17 68 pavlovoler.tumblr.com 74.114.154.18, 443, 49747 AUTOMATTICUS Canada 43->68 46 WerFault.exe 43->46         started        process18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f8ad6344537c95c3421926b12bfe0de0931676b94c9f624744249343d84bf4de/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2021-09-21 12:41:24 UTC
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7cwwgrctpsk4gqqze2ysx7qn4cjrm5vzjspwer2eesjuhwcl6tpa._file
Verdict:
malicious
Similar samples:
08f290d886e67c9aaa4cf058fa166e50efc8181901773373c2123e5290edab71
Stop
0a644c28fba57280abf3226ace12e8aa12f284f78485423b7c358ed29f515167
Stop
4bf131758e42addbad951bafa566adc56c2c60be43ea1f48ac00e5f7e528ef5b
Stop
836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098
Stop
a8701b8d256bbccb00be92735e6b98f258d79efb875d8839e1c0ce09d16c3733
Stop
b0fd3e3432bc5f36f5d532b01164d97f6ed579bd693b98f8954ed0df0a2a9839
Stop
c3ade1984ff9031d528776a359b03e496cecb26c332bd826465eef2da60f41b1
Stop
d581ddc0cd78802c6931c6fe27694d67365324f25b3a42dce779870b917fc2d5
Stop
f5a2d62a1d09f34f73adc253887b665c96a2fbf7cadc6084569675da186357e1
Stop
fa3edd0ffd6308148fb00337024762ee3f1692a8bd7fc02dff44d71c1ed1da34
Stop
+ 655 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:517 discovery persistence ransomware stealer suricata
Link:
https://tria.ge/reports/210922-qlqpeafchr/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
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://pavlovoler.tumblr.com/
Unpacked files
SH256 hash:
e3a758405e0871107c905ba5cf211ec30bd7fb9345950a9a0b3def7f14c9e87c
MD5 hash:
2590861b15fd552297b400342732e746
SHA1 hash:
0663677bd8ef8ded4f9d97de3038ccab7fccadab
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/57f6e1f1-5827-43e7-9562-7fbc5dff8c58/
Parent samples :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 hash:
f8ad6344537c95c3421926b12bfe0de0931676b94c9f624744249343d84bf4de
MD5 hash:
5e6416952139a16d85f106a32ce9b89a
SHA1 hash:
aa73fafc5a2af3cc4885e38647107084498e1dcb
Link:
https://www.unpac.me/results/57f6e1f1-5827-43e7-9562-7fbc5dff8c58/
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/f8ad6344537c95c3421926b12bfe0de0931676b94c9f624744249343d84bf4de

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/190263/

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