MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a7aecf21833fca14f0e9ef01c209d987b566b6c0e6076ef484e06adaa7d6821. 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 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9a7aecf21833fca14f0e9ef01c209d987b566b6c0e6076ef484e06adaa7d6821
SHA3-384 hash: 582de0317b18b556451dc1bcb36a0cfc72e61c25f2c05f95ffda7f669b5410cd248dead9c43a2cd737defe59bcd8d7ee
SHA1 hash: 0544540f643467500ce758f631f4f5026f550d9a
MD5 hash: 81922f2b6be6b4d0ac5f425c357b3032
humanhash: mexico-black-texas-diet
File name:9a7aecf21833fca14f0e9ef01c209d987b566b6c0e6076ef484e06adaa7d6821
Download: download sample
Signature Stop
Create hunting rule
File size:801'280 bytes
First seen:2021-09-06 06:40:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f530acf7acd4a5c8880ba2a4704d4cbb (14 x RaccoonStealer, 4 x Glupteba, 2 x Tofsee)
ssdeep 12288:I4+qobLcVtvvimFe2fSCa8LvNAmKGHPXib1Tm+e6um5AdrDEOLsQTKbD6+qDkjKf:aQVJvpFe2aCa89KG/itmzUKrjmb+mKn
Threatray 524 similar samples on MalwareBazaar
TLSH T1AD051209FEA1F873C1E6C9365069C3B4CE7DBDF69D6444973358EB2E29312805A2D31A
dhash icon b67e7c7d727e6e76 (11 x RaccoonStealer, 4 x Glupteba, 4 x Stop)
Reporter JAMESWT_WT
Tags:exe Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
118
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9a7aecf21833fca14f0e9ef01c209d987b566b6c0e6076ef484e06adaa7d6821
Verdict:
Suspicious activity
Analysis date:
2021-09-06 06:45:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2f9bbea6-d769-485d-9b8d-30efdfe7f4ec

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/185562/
Detection(s):
SecuriteInfo.com.Trojan.Siggen15.7535.13778.28413.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
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Deleting a recently created file
Sending an HTTP GET request
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Malware family:
STOP Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d194e415-887b-4ebe-8b9a-e09cbcb484ba
Result
Threat name:
Clipboard Hijacker Djvu Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/845850
Signature
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
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 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)
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 many files with high entropy
Yara detected Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 478279 Sample: QvCWJze3H3 Startdate: 06/09/2021 Architecture: WINDOWS Score: 100 115 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->115 117 Multi AV Scanner detection for domain / URL 2->117 119 Antivirus detection for URL or domain 2->119 121 8 other signatures 2->121 12 QvCWJze3H3.exe 2->12         started        15 QvCWJze3H3.exe 2->15         started        17 QvCWJze3H3.exe 2->17         started        19 3 other processes 2->19 process3 signatures4 131 Detected unpacking (changes PE section rights) 12->131 133 Contains functionality to inject code into remote processes 12->133 135 Writes many files with high entropy 12->135 21 QvCWJze3H3.exe 1 16 12->21         started        137 Injects a PE file into a foreign processes 15->137 25 QvCWJze3H3.exe 12 15->25         started        27 QvCWJze3H3.exe 12 17->27         started        29 QvCWJze3H3.exe 19->29         started        31 mstsca.exe 19->31         started        33 mstsca.exe 19->33         started        process5 dnsIp6 93 api.2ip.ua 77.123.139.190, 443, 49707, 49708 VOLIA-ASUA Ukraine 21->93 73 C:\Users\...\QvCWJze3H3.exe:Zone.Identifier, ASCII 21->73 dropped 35 QvCWJze3H3.exe 21->35         started        38 icacls.exe 21->38         started        95 192.168.2.1 unknown unknown 27->95 40 schtasks.exe 31->40         started        file7 process8 signatures9 123 Injects a PE file into a foreign processes 35->123 42 QvCWJze3H3.exe 1 24 35->42         started        47 conhost.exe 40->47         started        process10 dnsIp11 101 securebiz.org 183.78.205.92, 49709, 80 YOUNGDOONG-AS-KRLGHelloVisionCorpKR Korea Republic of 42->101 103 tbpws.top 115.88.24.202, 49710, 49712, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 42->103 105 api.2ip.ua 42->105 85 {1451C5E2-B905-4D3...0001.db.efdc (copy), DOS 42->85 dropped 87 C:\...\StructuredQuerySchema.bin.efdc (copy), COM 42->87 dropped 89 C__Windows_SystemA...e_Desktop_17[1].txt, mc68k 42->89 dropped 91 347 other files (322 malicious) 42->91 dropped 139 Modifies existing user documents (likely ransomware behavior) 42->139 49 build2.exe 42->49         started        52 build3.exe 42->52         started        file12 signatures13 process14 signatures15 107 Detected unpacking (changes PE section rights) 49->107 109 Machine Learning detection for dropped file 49->109 111 Injects a PE file into a foreign processes 49->111 54 build2.exe 49->54         started        113 Uses schtasks.exe or at.exe to add and modify task schedules 52->113 59 build3.exe 52->59         started        process16 dnsIp17 97 49.12.198.69, 49719, 80 HETZNER-ASDE Germany 54->97 99 romkaxarit.tumblr.com 74.114.154.18, 443, 49716 AUTOMATTICUS Canada 54->99 75 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 54->75 dropped 77 C:\Users\user\AppData\...\freebl3[1].dll, PE32 54->77 dropped 79 C:\Users\user\AppData\...\msvcp140[1].dll, PE32 54->79 dropped 83 9 other files (none is malicious) 54->83 dropped 125 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 54->125 127 Tries to harvest and steal browser information (history, passwords, etc) 54->127 129 Tries to steal Crypto Currency Wallets 54->129 61 cmd.exe 54->61         started        81 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 59->81 dropped 63 schtasks.exe 59->63         started        file18 signatures19 process20 process21 65 conhost.exe 61->65         started        67 taskkill.exe 61->67         started        69 timeout.exe 61->69         started        71 conhost.exe 63->71         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9a7aecf21833fca14f0e9ef01c209d987b566b6c0e6076ef484e06adaa7d6821/
Threat name:
Win32.Trojan.RacoonStealer
Create hunting rule
Status:
Malicious
First seen:
2021-09-04 21:31:55 UTC
File Type:
PE (Exe)
Extracted files:
65
AV detection:
28 of 43 (65.12%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tj5oz4qygp6kctyot3ybyie5tb5vm23mbzqhn32ijydk3kt5naqq._file
Verdict:
malicious
Similar samples:
20ebe8ff1da6f2023a43b3e3cbe14479961699f9dec0324f72070fa2b275eaae
Stop
496b5885ff8f521c91ca037338e188ea0374bf86816d0c804d3010fd2f5fec38
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9634e7bbda11d42ed7eda4f7cc1965dea16ab45877cb425d322e830cf63a0657
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9feb26b9550dbf46719374757468d95b6882c00fd3ca65a02e9edf2854e900a9
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Stop
+ 514 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 suricata
Link:
https://tria.ge/reports/210906-hfsyksdgan/
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 ransomeware
Djvu Ransomware
Vidar
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
Malware Config
C2 Extraction:
https://romkaxarit.tumblr.com/
Unpacked files
SH256 hash:
714eeaee7b0d065bfde3c39f351ab35ddf652dcccc0365772d8f1fc3407a501c
MD5 hash:
8c26b2ce2acf0a8b09427a47e3135550
SHA1 hash:
e175b248bdd09ea42dd0cbc7c3e97f694d93a3bf
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/6c185d41-6922-44a6-8e48-1a78e93500f3/
Parent samples :
393c93549cadfdb9263350b0029184345927d0c67006ae9f258426ed5dc901c7
4dcce8f4915ce7cc21ed6bd82421f733096670e3d6b8d9eb07855ecccb052cca
5b5331bbe40482291d20d031dee20e02574bdc55c9547bf1cbe0abfd5f2cfafe
024006d3227ebcad88d38b577560b35332f7c9f9f5aeab15d3816fc6f7646727
9062d6602b3648209d668862a1088209fa552d36df728d0232b1233f7d195de4
1c82d677be0ad041d01fed93b56542995bbb5ca713fbac66dbfaf13bc8f6bb5d
2f379ab59d4b7d52e259ea761664dde0c315709748efe28d1b63728d3f1dc62b
cf26b6e50dafe54bbf7ef6f37621bcf18f0d1dc0dded6a3d4aecf9a6020dcdf6
32126a5a63490958ae7b3adaf44e789787e394652d1db5696b83b37f148a956b
9a7aecf21833fca14f0e9ef01c209d987b566b6c0e6076ef484e06adaa7d6821
fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22
c3ade1984ff9031d528776a359b03e496cecb26c332bd826465eef2da60f41b1
b0fd3e3432bc5f36f5d532b01164d97f6ed579bd693b98f8954ed0df0a2a9839
6296ae9877208b8ea25e62669f9c6dd56675625811943c7ea36a5228c4278baa
c113a01df4bbf2920f519dc58878b57a5789aa32f2a525ca05ad7824f928a915
9a82b86b905a8e783247013a821591186995d6c6b560eb7377fa9bc3d58992eb
ddda50c6ed8a2204c31fb2a9b4f508213a70be04ecef385749a940002c7f0cc7
49163a423bcd19136b99aca078c3fe57a13bc4a71830c835a200697d5debb41f
9c1ff06631b27a50c6092325e6e3085de43ab34c10fad1ac13a35ec6d67f8cfc
b1b8b2e163ab8ca96723094c964cbec839d1dd560d2e304852f03163ef640249
c4234b612e6132b71874a4ce02607c681da3beb7480c0d0fba44d16debb3a4e0
5b07d193653a3d4d8b12ba8884eb75fa8f45d9aa5ea83e950b52fc19287af211
56e64d68a0105dea0f49729dde4d5a6271c3855f81303b5ec0a989b96364b0bc
34c063a4fa4f7d4085b19bced992a52a169fe9a48892755fcc99fd7c5de1c523
609c25f63d95a0105406d07009716621b1558fbfe597d50abeb28f87ba65ef5d
9096aea718a781fff10669ace380c3e1905030469b8eeab8597f8f8df9d93c18
1e6c55bf6880e72c4d3e13e1e8d350cde8ffe28da1f56e4f9c897e80027e3c0e
c42b2661b7d4ed6404d97b10eb82fba1ec39096e8fb0b28a94b7277d938f9b4f
e97fc0a2d9b2eaf15d1b699f66b1e735540593c8285ad9e2050ccc6fffbf1fcf
SH256 hash:
9a7aecf21833fca14f0e9ef01c209d987b566b6c0e6076ef484e06adaa7d6821
MD5 hash:
81922f2b6be6b4d0ac5f425c357b3032
SHA1 hash:
0544540f643467500ce758f631f4f5026f550d9a
Link:
https://www.unpac.me/results/6c185d41-6922-44a6-8e48-1a78e93500f3/
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/9a7aecf21833fca14f0e9ef01c209d987b566b6c0e6076ef484e06adaa7d6821

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: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 9a7aecf21833fca14f0e9ef01c209d987b566b6c0e6076ef484e06adaa7d6821

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1463721/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/185562/

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