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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef27d60cf98ddfc9088a918880858e96a53bb9637ef5c623e43322dc0a5c36d8. 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



Vjw0rm


Vendor detections: 6


Intelligence 6 IOCs 1 YARA 1 File information Comments

SHA256 hash: ef27d60cf98ddfc9088a918880858e96a53bb9637ef5c623e43322dc0a5c36d8
SHA3-384 hash: 6f43084e2d056887cd1d909939bcaebc26c9ce09b0e722f812299d5b2615a829bfc26226711bfa73e25bb6400c34c37c
SHA1 hash: d4263b886fcf2c224c19af6417b6b37ad77bf547
MD5 hash: dd65978c5aa7c9be630db5373b72e3e1
humanhash: kentucky-massachusetts-colorado-monkey
File name:DD65978C5AA7C9BE630DB5373B72E3E1.exe
Download: download sample
Signature Vjw0rm
File size:41'363'502 bytes
First seen:2021-03-25 10:50:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 786432:pawvLXBo0begaS1T5+TElbB3SP+9qrKhjh6reNjoX2MdyMCZlR:rTxo0be/i5+Kb5SPzAueVoXkNZX
TLSH EF97336C7994DDC5DC6670706112863CFE211C07E6090252A2B63BFF2D7A7EEBA2F446
Reporter abuse_ch
Tags:exe vjw0rm


Avatar
abuse_ch
Vjw0rm C2:
http://webtool.publicvm.com:7776/Vre

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://webtool.publicvm.com:7776/Vre https://threatfox.abuse.ch/ioc/5265/

Intelligence


File Origin
# of uploads :
1
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Creating a process from a recently created file
Sending a UDP request
Creating a window
Creating a file in the %temp% subdirectories
Launching a service
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Enabling the 'hidden' option for recently created files
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Creating a file in the mass storage device
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices by creating a special LNK file
Result
Threat name:
Unknown
Detection:
suspicious
Classification:
adwa.evad
Score:
36 / 100
Signature
Antivirus / Scanner detection for submitted sample
Creates multiple autostart registry keys
Drops PE files to the startup folder
Dynamically executes javascript script code
Multi AV Scanner detection for submitted file
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 375818 Sample: EmtqjKzYBW.exe Startdate: 25/03/2021 Architecture: WINDOWS Score: 36 71 Antivirus / Scanner detection for submitted sample 2->71 73 Multi AV Scanner detection for submitted file 2->73 75 Dynamically executes javascript script code 2->75 9 EmtqjKzYBW.exe 1 10 2->9         started        12 n.exe 2->12         started        15 OpenWith.exe 2->15         started        17 2 other processes 2->17 process3 dnsIp4 47 C:\Users\user\AppData\Roaming\n.exe, PE32+ 9->47 dropped 49 C:\Users\user\AppData\Roaming\Iris120.exe, PE32 9->49 dropped 51 C:\Users\user\AppData\...\n.exe.manifest, exported 9->51 dropped 19 Iris120.exe 16 181 9->19         started        23 n.exe 2 13 9->23         started        67 webtool.publicvm.com 12->67 53 C:\Users\user\AppData\Roaming\...\n.exe, PE32+ 12->53 dropped file5 process6 dnsIp7 39 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 19->39 dropped 41 C:\Users\user\AppData\Local\...\nsDialogs.dll, PE32 19->41 dropped 43 C:\Users\user\AppData\Local\...\System.dll, PE32 19->43 dropped 45 87 other files (none is malicious) 19->45 dropped 77 Creates multiple autostart registry keys 19->77 26 Iris.exe 11 106 19->26         started        29 taskkill.exe 1 19->29         started        61 webtool.publicvm.com 41.105.238.136, 7776 ALGTEL-ASDZ Algeria 23->61 79 Drops PE files to the startup folder 23->79 81 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 23->81 file8 signatures9 process10 dnsIp11 63 ip-api.com 208.95.112.1, 49736, 49753, 80 TUT-ASUS United States 26->63 65 iristech.co 185.123.188.60, 443, 49732, 49733 SUPERHOSTING_ASBG Bulgaria 26->65 31 iexplore.exe 26->31         started        34 conhost.exe 29->34         started        process12 dnsIp13 69 iristech.co 31->69 36 iexplore.exe 31->36         started        process14 dnsIp15 55 fontawesome-cdn.fonticons.netdna-cdn.com 23.111.9.35, 443, 49743, 49744 HIGHWINDS2US United States 36->55 57 googleads.g.doubleclick.net 172.217.168.2, 443, 49765, 49766 GOOGLEUS United States 36->57 59 19 other IPs or domains 36->59
Gathering data
Threat name:
Win32.Ransomware.Generic
Status:
Suspicious
First seen:
2021-03-21 19:33:11 UTC
AV detection:
6 of 47 (12.77%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Behaviour
Modifies registry class
Modifies system certificate store
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
NSIS installer
Enumerates physical storage devices
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
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:quakbot_halo_generated
Author:Halogen Generated Rule, Corsin Camichel

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments