MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 648273738adb42d071ddd5f1d4ca2cd81edb1e4f1f79edbf1a60e35cd7be3806. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments

SHA256 hash: 648273738adb42d071ddd5f1d4ca2cd81edb1e4f1f79edbf1a60e35cd7be3806
SHA3-384 hash: 08b7fb2e3778191030a24b5e16c0a4f2c985a2eba1cd4f955962da1147296c8fea90d5af8971a5dd64cdad7957f8c992
SHA1 hash: 800c9c4ececbb2724a5e09a74d5be4baab12eabc
MD5 hash: 73e23e1245f37f034a981ed1903950ef
humanhash: charlie-illinois-nuts-montana
File name:73e23e1245f37f034a981ed1903950ef.exe
Download: download sample
Signature Stop
File size:823'296 bytes
First seen:2023-07-16 13:17:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 326441378ca815656cabd6c06990bf3c (3 x RedLineStealer, 2 x Smoke Loader, 1 x Stop)
ssdeep 12288:FE44xAnltpojlu6YnlBHcLGCr+obLQv7jxGDbjHyruN/hv49zGXc53d8F:y6tSjhYnrsQ7jxGDyr2dct8F
Threatray 2'198 similar samples on MalwareBazaar
TLSH T1FE059E43C3A17D48EA268B779F1FC6F8770DF6518E4A7B653218DA2B00B1076D2A3B51
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 000818280c060400 (1 x Stop)
Reporter obfusor
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
302
Origin country :
HK HK
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
73e23e1245f37f034a981ed1903950ef.exe
Verdict:
Malicious activity
Analysis date:
2023-07-16 13:18:25 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed xpack
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
Verdict:
Malicious
Result
Threat name:
Babuk, Djvu
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found ransom note / readme
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 dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Writes a notice file (html or txt) to demand a ransom
Yara detected Babuk Ransomware
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1274035 Sample: QJFtXbyymi.exe Startdate: 16/07/2023 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic 2->56 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 7 other signatures 2->62 8 QJFtXbyymi.exe 2->8         started        11 QJFtXbyymi.exe 2->11         started        13 QJFtXbyymi.exe 2->13         started        15 QJFtXbyymi.exe 2->15         started        process3 signatures4 66 Multi AV Scanner detection for dropped file 8->66 68 Detected unpacking (changes PE section rights) 8->68 70 Detected unpacking (overwrites its own PE header) 8->70 74 2 other signatures 8->74 17 QJFtXbyymi.exe 18 8->17         started        72 Injects a PE file into a foreign processes 11->72 22 QJFtXbyymi.exe 1 16 11->22         started        24 QJFtXbyymi.exe 12 13->24         started        26 QJFtXbyymi.exe 12 15->26         started        process5 dnsIp6 48 zexeq.com 167.61.39.34, 49707, 80 AdministracionNacionaldeTelecomunicacionesUY Uruguay 17->48 36 C:\Users\user\_readme.txt, ASCII 17->36 dropped 38 C:\Users\user\...\ChromeSetup.exe.miza (copy), MS-DOS 17->38 dropped 40 C:\Users\user\Downloads\ChromeSetup.exe, MS-DOS 17->40 dropped 46 6 other malicious files 17->46 dropped 64 Modifies existing user documents (likely ransomware behavior) 17->64 50 api.2ip.ua 162.0.217.254, 443, 49701, 49703 ACPCA Canada 22->50 42 C:\Users\user\AppData\...\QJFtXbyymi.exe, PE32 22->42 dropped 44 C:\Users\...\QJFtXbyymi.exe:Zone.Identifier, ASCII 22->44 dropped 28 QJFtXbyymi.exe 22->28         started        31 icacls.exe 22->31         started        file7 signatures8 process9 signatures10 76 Injects a PE file into a foreign processes 28->76 33 QJFtXbyymi.exe 12 28->33         started        process11 dnsIp12 52 192.168.2.1 unknown unknown 33->52 54 api.2ip.ua 33->54
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2023-07-16 13:18:06 UTC
File Type:
PE (Exe)
Extracted files:
82
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:https://t.me/eagl3z discovery persistence ransomware spyware stealer
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
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
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
http://zexeq.com/test1/get.php
https://t.me/eagl3z
https://steamcommunity.com/profiles/76561199159550234
Unpacked files
SH256 hash:
ca5c3c495d9763e4a07bd5f507fdca56498328515c837ca481f2c5933e637e94
MD5 hash:
de23644348cfe0946cedccd668918bc1
SHA1 hash:
cb800a370141dce694312bb671cafaf604c94a97
Detections:
djvu_ransomware win_stop_auto
SH256 hash:
648273738adb42d071ddd5f1d4ca2cd81edb1e4f1f79edbf1a60e35cd7be3806
MD5 hash:
73e23e1245f37f034a981ed1903950ef
SHA1 hash:
800c9c4ececbb2724a5e09a74d5be4baab12eabc
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:MALWARE_Win_STOP
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:SUSP_XORed_URL_in_EXE
Author:Florian Roth (Nextron Systems)
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:Windows_Ransomware_Stop_1e8d48ff
Author:Elastic Security
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.

Comments