MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55e262d517e470787760c984868f07d582f8d8efd9ff98db0870c48c9a51c23d. 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: 12


Intelligence 12 IOCs 1 YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 55e262d517e470787760c984868f07d582f8d8efd9ff98db0870c48c9a51c23d
SHA3-384 hash: 790e7b01cdb4bb6a9c73c497640fdbeb5e2089a4539dfbacc3ac72bb67cdef32680f9188d7748ff4885a6138c8d82e33
SHA1 hash: 2fee5e07b8283a3a9000119330ab80e4e5e2c31f
MD5 hash: 3afb05be834f9d0154e0ff527a8e8c57
humanhash: xray-maine-cola-alpha
File name:3afb05be834f9d0154e0ff527a8e8c57.exe
Download: download sample
Signature Stop
Create hunting rule
File size:700'416 bytes
First seen:2021-09-27 06:52:34 UTC
Last seen:2021-09-27 08:20:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3cd0350cb20713093b4eb51a8785dabd (3 x ArkeiStealer, 2 x RaccoonStealer, 2 x Stop)
ssdeep 12288:ldW6/8KpOg0LTrQbgl0HhZLy+aDtZktTA/nPIPBHucWF+rzgbm+/3OufWrE:ldWCpOg0LA+0HUDgW/nAJOcBrsbZOu
Threatray 721 similar samples on MalwareBazaar
TLSH T139E4122DF840A83DE0D640BEC5E4C9A09A3E7935F9A1DE863388175A0F761D1A61F35F
File icon (PE):PE icon
dhash icon fcfcd4f4d4dcd8c0 (34 x RaccoonStealer, 21 x RedLineStealer, 8 x ArkeiStealer)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://securebiz.org/fhsgtsspen6/get.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://securebiz.org/fhsgtsspen6/get.php https://threatfox.abuse.ch/ioc/226936/

Intelligence

File Origin
# of uploads :
2
# of downloads :
157
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3afb05be834f9d0154e0ff527a8e8c57.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-27 06:54:24 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/fb24c1d0-121c-422c-8075-e1649bd13377

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/191904/
Detection(s):
SecuriteInfo.com.Packed-GDT3AFB05BE834F.11402.11363.UNOFFICIAL
Create hunting rule

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
Malware family:
STOP Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0d0603b3-14da-492e-b7d0-b46f945b0703
Result
Threat name:
Clipboard Hijacker Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/858696
Signature
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
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 domain / URL
Multi AV Scanner detection for dropped 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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 491127 Sample: axCZVtYfcO.exe Startdate: 27/09/2021 Architecture: WINDOWS Score: 100 77 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->77 79 Multi AV Scanner detection for domain / URL 2->79 81 Multi AV Scanner detection for dropped file 2->81 83 6 other signatures 2->83 12 axCZVtYfcO.exe 2->12         started        15 axCZVtYfcO.exe 2->15         started        17 mstsca.exe 2->17         started        19 3 other processes 2->19 process3 signatures4 95 Detected unpacking (changes PE section rights) 12->95 97 Detected unpacking (overwrites its own PE header) 12->97 99 Contains functionality to inject code into remote processes 12->99 101 Writes many files with high entropy 12->101 21 axCZVtYfcO.exe 1 17 12->21         started        103 Injects a PE file into a foreign processes 15->103 25 axCZVtYfcO.exe 13 15->25         started        27 axCZVtYfcO.exe 19->27         started        29 mstsca.exe 19->29         started        process5 dnsIp6 75 api.2ip.ua 77.123.139.190, 443, 49744, 49745 VOLIA-ASUA Ukraine 21->75 67 C:\Users\...\axCZVtYfcO.exe:Zone.Identifier, ASCII 21->67 dropped 31 axCZVtYfcO.exe 21->31         started        34 icacls.exe 21->34         started        file7 process8 signatures9 105 Injects a PE file into a foreign processes 31->105 36 axCZVtYfcO.exe 1 25 31->36         started        41 mstsca.exe 34->41         started        process10 dnsIp11 69 znpst.top 61.255.185.201, 49747, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 36->69 71 securebiz.org 186.74.208.84, 49746, 49748, 80 CableWirelessPanamaPA Panama 36->71 73 api.2ip.ua 36->73 59 C:\Users\user\...\V01res00002.jrs.rigd (copy), DOS 36->59 dropped 61 C:\Users\user\AppData\...\SettingsCache.txt, DOS 36->61 dropped 63 C__Windows_SystemA...e_Desktop_27[1].txt, DOS 36->63 dropped 65 354 other files (339 malicious) 36->65 dropped 85 Modifies existing user documents (likely ransomware behavior) 36->85 43 build3.exe 36->43         started        46 schtasks.exe 41->46         started        file12 signatures13 process14 signatures15 87 Detected unpacking (changes PE section rights) 43->87 89 Detected unpacking (overwrites its own PE header) 43->89 91 Machine Learning detection for dropped file 43->91 93 2 other signatures 43->93 48 build3.exe 43->48         started        51 conhost.exe 46->51         started        process16 file17 57 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 48->57 dropped 53 schtasks.exe 48->53         started        process18 process19 55 conhost.exe 53->55         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/55e262d517e470787760c984868f07d582f8d8efd9ff98db0870c48c9a51c23d/
Threat name:
Win32.Ransomware.Stop
Create hunting rule
Status:
Malicious
First seen:
2021-09-27 06:53:05 UTC
AV detection:
19 of 45 (42.22%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kxrgfvix4ryhq53azgcindyh2wbprwhp3h7zrwyiodcizgsryi6q._file
Verdict:
malicious
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Stop
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b0fd3e3432bc5f36f5d532b01164d97f6ed579bd693b98f8954ed0df0a2a9839
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c3ade1984ff9031d528776a359b03e496cecb26c332bd826465eef2da60f41b1
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f5a2d62a1d09f34f73adc253887b665c96a2fbf7cadc6084569675da186357e1
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fa3edd0ffd6308148fb00337024762ee3f1692a8bd7fc02dff44d71c1ed1da34
Stop
+ 711 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/210927-jx799sgaf2/
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:
5f2bb7899383d9e75afd1e4e6bb4b77281c35944598c865c2018563f662c00ef
MD5 hash:
1f4344483a27a452ef55e32870e05ed6
SHA1 hash:
032a3a8d46d823cd1405f2227df653178908f94a
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/a33ea447-0ad6-4cd2-9af0-bcfc9cf5d5df/
Parent samples :
55e262d517e470787760c984868f07d582f8d8efd9ff98db0870c48c9a51c23d
28987da061d42bee399b3cafd876c34826eea824758ae23ead826fe971cb978f
96888e3f86a786d67fe5d2df9f5d195721ec70de964fb1467a263eaa2a9c80bd
1662a370129d1175bb6064da3b8080158ebe848ab34e433c67e93d4f3481b148
5f1d4edb0181437d5c6e270977eec68d3daf4bd63edbc4c29e691573ca2ed9e6
d34b0333afa76522d268ba1886698f7f98550fa0da5cae603486127bae326c59
d58fb2c3a56ea6bce3e4d7979a1e6860db641e53a4821005ac4a58cf447ce876
795aa5cf33f918f0d642b2e47c67ef031e8297834be19030b7eb2c19700104a8
SH256 hash:
55e262d517e470787760c984868f07d582f8d8efd9ff98db0870c48c9a51c23d
MD5 hash:
3afb05be834f9d0154e0ff527a8e8c57
SHA1 hash:
2fee5e07b8283a3a9000119330ab80e4e5e2c31f
Link:
https://www.unpac.me/results/a33ea447-0ad6-4cd2-9af0-bcfc9cf5d5df/
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/55e262d517e470787760c984868f07d582f8d8efd9ff98db0870c48c9a51c23d

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.

Web download

Stop

Executable exe 55e262d517e470787760c984868f07d582f8d8efd9ff98db0870c48c9a51c23d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1645196/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/191904/

Comments