MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b847a31ccac4306b56c4c899814b7afee46c66331aeb465f3727200bb025de54. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b847a31ccac4306b56c4c899814b7afee46c66331aeb465f3727200bb025de54
SHA3-384 hash: 1e413e01622b77c014db399ed7e38434817e17b10d4f4a7d5b31164b6ccc6728137776f4f136fe462891209511110dbb
SHA1 hash: bfc9ce3672011701c531013991356e86075ba4cd
MD5 hash: aa98349a5a0bd3a0d999c8bd4b0982ae
humanhash: beryllium-mississippi-double-ceiling
File name:aa98349a5a0bd3a0d999c8bd4b0982ae.exe
Download: download sample
Signature Stop
Create hunting rule
File size:881'664 bytes
First seen:2021-06-29 05:15:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c55a6c5b8dc5009c74a01bc124b7b217 (2 x RedLineStealer, 1 x CryptBot, 1 x ArkeiStealer)
ssdeep 12288:s+WoR0m4R1xoBZmKAssSq+WaEf+Te1bdIhV8ChhTC+B3IUTl1CeaflxQ8:vkmgnr0jj01OV8Chh5lDgnt7
Threatray 320 similar samples on MalwareBazaar
TLSH 9C150100BB41D035F5F621F45A7A93ADA83D7AB35B1451CFA2D52AEE67342E0AC3071B
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://astdg.top/nddddhsspen6/get.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://astdg.top/nddddhsspen6/get.php https://threatfox.abuse.ch/ioc/155460/

Intelligence

File Origin
# of uploads :
1
# of downloads :
147
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
aa98349a5a0bd3a0d999c8bd4b0982ae.exe
Verdict:
Suspicious activity
Analysis date:
2021-06-29 05:18:44 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8c99dfd2-6e67-4c33-977b-fb300e72ef3f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
STOP
Create hunting rule
Link:
https://www.capesandbox.com/analysis/168659/
Detection(s):
Win.Dropper.Glupteba-9874594-0
Create hunting rule

Win.Packed.Generic-9874734-0
Create hunting rule

Win.Ransomware.Ransomx-9874744-0
Create hunting rule

Win.Packed.Generic-9874746-0
Create hunting rule

Win.Packed.Generic-9874782-0
Create hunting rule

Result
Verdict:
MALICIOUS
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/6db750d8-1e48-4529-bb8b-6428b303caa4
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/809111
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)
Writes many files with high entropy
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 441522 Sample: AqZrR9upiM.exe Startdate: 29/06/2021 Architecture: WINDOWS Score: 100 55 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->55 57 Antivirus detection for URL or domain 2->57 59 Multi AV Scanner detection for submitted file 2->59 61 3 other signatures 2->61 8 AqZrR9upiM.exe 2->8         started        11 AqZrR9upiM.exe 2->11         started        13 AqZrR9upiM.exe 2->13         started        15 AqZrR9upiM.exe 2->15         started        process3 signatures4 63 Detected unpacking (overwrites its own PE header) 8->63 65 Contains functionality to inject code into remote processes 8->65 67 Writes many files with high entropy 8->67 17 AqZrR9upiM.exe 1 16 8->17         started        69 Multi AV Scanner detection for dropped file 11->69 71 Machine Learning detection for dropped file 11->71 73 Injects a PE file into a foreign processes 13->73 21 AqZrR9upiM.exe 12 13->21         started        23 AqZrR9upiM.exe 12 15->23         started        process5 dnsIp6 47 api.2ip.ua 77.123.139.190, 443, 49741, 49745 VOLIA-ASUA Ukraine 17->47 35 C:\Users\user\AppData\...\AqZrR9upiM.exe, PE32 17->35 dropped 37 C:\Users\...\AqZrR9upiM.exe:Zone.Identifier, ASCII 17->37 dropped 25 AqZrR9upiM.exe 17->25         started        28 icacls.exe 17->28         started        file7 process8 signatures9 75 Injects a PE file into a foreign processes 25->75 30 AqZrR9upiM.exe 1 20 25->30         started        process10 dnsIp11 49 astdg.top 187.212.210.161, 49747, 49748, 49750 UninetSAdeCVMX Mexico 30->49 51 api.2ip.ua 30->51 39 C:\_readme.txt, ASCII 30->39 dropped 41 C:\Users\user\Desktop41IRMEKAMZH.docx, data 30->41 dropped 43 C:\Users\user\Desktop\...\DQOFHVHTMG.docx, data 30->43 dropped 45 27 other files (26 malicious) 30->45 dropped 53 Modifies existing user documents (likely ransomware behavior) 30->53 file12 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b847a31ccac4306b56c4c899814b7afee46c66331aeb465f3727200bb025de54/
Threat name:
Win32.Ransomware.Stop
Create hunting rule
Status:
Malicious
First seen:
2021-06-27 18:42:00 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
30 of 46 (65.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xbd2ghgkyqygwvwezcmycs3273sgyzrtdlvumxzxe4qaxmbf3zka._file
Verdict:
malicious
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Stop
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Stop
ed8a7ffec56f450a365e758012db092883bbd23565f3f9fbb004c189fb703de3
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+ 310 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence
Link:
https://tria.ge/reports/210629-l8lb37tgzj/
Behaviour
Modifies system certificate store
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
Unpacked files
SH256 hash:
cd7629ae0ee6ff15aa16024eb8e041a8ab9fa84030acbd7044b8eedbc2e5503b
MD5 hash:
c2295920f9fd036e894de851cf8cd05f
SHA1 hash:
2eb16e66b8be185afa9c632cf089ab30cfc9bc05
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/8e4df7e7-f4dd-4e14-98ae-5caf3834b2c3/
Parent samples :
d0283a485913dc517dc7fbee13c7dcce350b8309acc244db1a1923436fbce614
b847a31ccac4306b56c4c899814b7afee46c66331aeb465f3727200bb025de54
11a5624d486d01bf1ebbf7d808524d44b26965f7e9ec89abebf75a9afc34b165
SH256 hash:
b847a31ccac4306b56c4c899814b7afee46c66331aeb465f3727200bb025de54
MD5 hash:
aa98349a5a0bd3a0d999c8bd4b0982ae
SHA1 hash:
bfc9ce3672011701c531013991356e86075ba4cd
Link:
https://www.unpac.me/results/8e4df7e7-f4dd-4e14-98ae-5caf3834b2c3/
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/b847a31ccac4306b56c4c899814b7afee46c66331aeb465f3727200bb025de54

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

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/168659/

Comments