MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 678dfbd3e2b09d2d78bca1ae07099a1e547f48ad9caee38fd068d9c7ceaec7f8. 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: 14


Intelligence 14 IOCs 1 YARA 6 File information Comments

SHA256 hash: 678dfbd3e2b09d2d78bca1ae07099a1e547f48ad9caee38fd068d9c7ceaec7f8
SHA3-384 hash: c799df14d0e299f11adc7838db01e1092ca9fe258ef598937410a61af7258d627d294ab063fb0dab478e1e81ead19ac0
SHA1 hash: d21dd7c60bf354343ef4914fc0819dd255cf081b
MD5 hash: eb0aa18eefc118faee72deb21a5a890a
humanhash: cardinal-failed-mockingbird-wolfram
File name:eb0aa18eefc118faee72deb21a5a890a.exe
Download: download sample
Signature Stop
File size:845'824 bytes
First seen:2022-08-07 18:25:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash db528410afedd73528144ea2e475f330 (2 x Stop, 1 x ArkeiStealer)
ssdeep 12288:bsBKsQrl6D1zYMqlCCk3GON8SxbIWk8kzUuRK+k1YBTLFQfmYcHiayJrS4u1I2lf:wDQ4DVI4CkHhfGUIBOfbaq21vlPYGj
Threatray 1'467 similar samples on MalwareBazaar
TLSH T1DA050100AB90D439F4F665F4897692ACB82D3EE19B2554CF23D53BEE96346E0EC31253
TrID 40.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.0% (.SCR) Windows screen saver (13101/52/3)
13.6% (.EXE) Win64 Executable (generic) (10523/12/4)
8.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon badacabecee6baa6 (95 x Stop, 87 x RedLineStealer, 62 x Smoke Loader)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://198.251.89.30/

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://198.251.89.30/1375 https://threatfox.abuse.ch/ioc/841793/

Intelligence


File Origin
# of uploads :
1
# of downloads :
393
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
eb0aa18eefc118faee72deb21a5a890a.exe
Verdict:
Malicious activity
Analysis date:
2022-08-07 18:26:49 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Сreating synchronization primitives
Deleting a recently created file
Searching for synchronization primitives
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
MalwareBazaar
SystemUptime
CPUID_Instruction
MeasuringTime
EvasionGetTickCount
CheckCmdLine
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed
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
Verdict:
Malicious
Result
Threat name:
Djvu, Vidar
Detection:
malicious
Classification:
rans.spre.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (creates a PE file in dynamic memory)
Found many strings related to Crypto-Wallets (likely being stolen)
Found ransom note / readme
Infects executable files (exe, dll, sys, html)
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 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
Writes many files with high entropy
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 680054 Sample: CmK5qu31GG.exe Startdate: 07/08/2022 Architecture: WINDOWS Score: 100 73 Snort IDS alert for network traffic 2->73 75 Multi AV Scanner detection for domain / URL 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 10 other signatures 2->79 10 CmK5qu31GG.exe 2->10         started        13 CmK5qu31GG.exe 2->13         started        15 CmK5qu31GG.exe 2->15         started        17 CmK5qu31GG.exe 2->17         started        process3 signatures4 95 Writes many files with high entropy 10->95 97 Injects a PE file into a foreign processes 10->97 19 CmK5qu31GG.exe 1 16 10->19         started        23 CmK5qu31GG.exe 13->23         started        26 CmK5qu31GG.exe 12 15->26         started        28 CmK5qu31GG.exe 12 17->28         started        process5 dnsIp6 61 api.2ip.ua 162.0.217.254, 443, 49738, 49740 ACPCA Canada 19->61 47 C:\Users\...\CmK5qu31GG.exe:Zone.Identifier, ASCII 19->47 dropped 49 C:\Users\user\AppData\...\CmK5qu31GG.exe, MS-DOS 19->49 dropped 30 CmK5qu31GG.exe 19->30         started        33 icacls.exe 19->33         started        51 C:\Users\user\Desktop\...\PIVFAGEAAV.pdf, data 23->51 dropped 85 Modifies existing user documents (likely ransomware behavior) 23->85 file7 signatures8 process9 signatures10 105 Injects a PE file into a foreign processes 30->105 35 CmK5qu31GG.exe 1 22 30->35         started        process11 dnsIp12 63 acacaca.org 46.195.219.190, 49741, 49743, 80 TELENOR-NEXTELTelenorNorgeASNO Sweden 35->63 65 rgyui.top 210.182.29.70, 49742, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 35->65 67 2 other IPs or domains 35->67 53 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 35->53 dropped 55 C:\Users\user\AppData\Local\...\build2.exe, PE32 35->55 dropped 57 C:\_readme.txt, ASCII 35->57 dropped 59 41 other files (38 malicious) 35->59 dropped 81 Infects executable files (exe, dll, sys, html) 35->81 83 Modifies existing user documents (likely ransomware behavior) 35->83 40 build2.exe 35->40         started        file13 signatures14 process15 signatures16 87 Multi AV Scanner detection for dropped file 40->87 89 Detected unpacking (creates a PE file in dynamic memory) 40->89 91 Machine Learning detection for dropped file 40->91 93 Injects a PE file into a foreign processes 40->93 43 build2.exe 40->43         started        process17 dnsIp18 69 t.me 149.154.167.99, 443, 49746 TELEGRAMRU United Kingdom 43->69 71 198.251.89.30, 49747, 80 PONYNETUS United States 43->71 99 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 43->99 101 Tries to harvest and steal browser information (history, passwords, etc) 43->101 103 Tries to steal Crypto Currency Wallets 43->103 signatures19
Threat name:
Win32.Ransomware.StopCrypt
Status:
Malicious
First seen:
2022-08-07 18:26:09 UTC
File Type:
PE (Exe)
Extracted files:
23
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware spyware stealer
Behaviour
Checks processor information in registry
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
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
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
Malware Config
C2 Extraction:
http://acacaca.org/test2/get.php
Please note that we are no longer able to provide a coverage score for Virus Total.

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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:MALWARE_Win_STOP
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:SUSP_XORed_URL_in_EXE
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
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:win_stop_auto
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 678dfbd3e2b09d2d78bca1ae07099a1e547f48ad9caee38fd068d9c7ceaec7f8

(this sample)

  
Delivery method
Distributed via web download

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