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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6e0c17a224fe0df6f58add122e0420aad76a697c1d7634aa0cfe2f5dc84dc2b. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: b6e0c17a224fe0df6f58add122e0420aad76a697c1d7634aa0cfe2f5dc84dc2b
SHA3-384 hash: 0c718dd7f8c41027a9ee469bab9095686d6f9de3eaccde4fcc5dbe644073e8617c0259a2e90e6f61ed78df4a463471aa
SHA1 hash: f95b35bcd8528dafda2b8fd53bed2bab150676e3
MD5 hash: c159fc653a86ef3eab80e5d06b9cfa2c
humanhash: salami-september-stream-sweet
File name:c159fc653a86ef3eab80e5d06b9cfa2c.exe
Download: download sample
Signature Vjw0rm
File size:553'984 bytes
First seen:2023-05-14 01:45:31 UTC
Last seen:2023-05-14 03:27:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'245 x AgentTesla, 20'500 x Formbook, 12'374 x SnakeKeylogger)
ssdeep 12288:lBXSh9d55EWf6bkHXgtQZDsfDfWXWBt9ExkUp8ZbcoahOOufKlgc+ABeaESJAzEM:7QZQz8Du4
Threatray 140 similar samples on MalwareBazaar
TLSH T1BBC4772828AF516DA177FFA13EDC7DEADDDEB6632509641B1042030B4A16F81EF4293D
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 2c6c00c066a66630 (2 x Vjw0rm, 2 x WSHRAT, 1 x Loda)
Reporter abuse_ch
Tags:exe vjw0rm


Avatar
abuse_ch
Vjw0rm C2:
http://vj5566.duckdns.org:5566/Vre

Intelligence


File Origin
# of uploads :
2
# of downloads :
586
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
c159fc653a86ef3eab80e5d06b9cfa2c.exe
Verdict:
Malicious activity
Analysis date:
2023-05-14 01:46:38 UTC
Tags:
evasion trojan wshrat vjworm

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

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Creating a window
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Enabling the 'hidden' option for recently created files
Using the Windows Management Instrumentation requests
Sending an HTTP POST request
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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
exploit packed wscript.exe
Result
Threat name:
VjW0rm, WSHRAT
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
Creates multiple autostart registry keys
Drops script or batch files to the startup folder
Drops VBS files to the startup folder
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Potential evasive VBS script found (sleep loop)
Potential malicious VBS script found (has network functionality)
Potential malicious VBS script found (suspicious strings)
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sigma detected: Drops script at startup location
Sigma detected: Register Wscript In Run Key
Sigma detected: VjW0rm
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Uses dynamic DNS services
Uses known network protocols on non-standard ports
Windows Shell Script Host drops VBS files
Wscript called in batch mode (surpress errors)
Wscript starts Powershell (via cmd or directly)
Yara detected AntiVM3
Yara detected VjW0rm
Yara detected WSHRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 865440 Sample: SrfFpGhGIc.exe Startdate: 14/05/2023 Architecture: WINDOWS Score: 100 70 pastebin.com 2->70 82 Sigma detected: Register Wscript In Run Key 2->82 84 Snort IDS alert for network traffic 2->84 86 Found malware configuration 2->86 88 16 other signatures 2->88 10 SrfFpGhGIc.exe 5 2->10         started        14 wscript.exe 2->14         started        16 wscript.exe 2->16         started        19 5 other processes 2->19 signatures3 process4 dnsIp5 48 C:\Users\user\AppData\Roaming\lRDdN.vbs, assembler 10->48 dropped 50 C:\Users\user\AppData\...\SrfFpGhGIc.exe.log, ASCII 10->50 dropped 100 Potential malicious VBS script found (suspicious strings) 10->100 102 Potential malicious VBS script found (has network functionality) 10->102 104 Potential evasive VBS script found (sleep loop) 10->104 21 wscript.exe 3 3 10->21         started        106 System process connects to network (likely due to code injection or exploit) 14->106 108 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 14->108 110 Wscript called in batch mode (surpress errors) 14->110 60 pastebin.com 16->60 26 wscript.exe 16->26         started        62 vj5566.duckdns.org 19->62 64 vj5566.duckdns.org 19->64 66 vj5566.duckdns.org 19->66 file6 signatures7 process8 dnsIp9 72 pastebin.com 104.20.68.143, 443, 49700, 49701 CLOUDFLARENETUS United States 21->72 74 192.168.2.1 unknown unknown 21->74 44 C:\Users\user\lRDdN.vbs, assembler 21->44 dropped 46 C:\Users\user\AppData\Roaming\...\lRDdN.vbs, assembler 21->46 dropped 92 System process connects to network (likely due to code injection or exploit) 21->92 94 Wscript starts Powershell (via cmd or directly) 21->94 96 Potential malicious VBS script found (suspicious strings) 21->96 98 9 other signatures 21->98 28 wscript.exe 6 502 21->28         started        file10 signatures11 process12 dnsIp13 76 172.67.34.170, 443, 49702, 49703 CLOUDFLARENETUS United States 28->76 78 ip-api.com 208.95.112.1, 49704, 80 TUT-ASUS United States 28->78 80 3 other IPs or domains 28->80 52 C:\Users\user\wshsdk\pythonw.exe, PE32 28->52 dropped 54 C:\Users\user\wshsdk\python37.dll, PE32 28->54 dropped 56 C:\Users\user\wshsdk\python3.dll, PE32 28->56 dropped 58 518 other files (352 malicious) 28->58 dropped 112 System process connects to network (likely due to code injection or exploit) 28->112 33 wscript.exe 2 14 28->33         started        38 powershell.exe 28->38         started        file14 signatures15 process16 dnsIp17 68 vj5566.duckdns.org 33->68 42 C:\Users\user\AppData\Roaming\...\windows.js, ASCII 33->42 dropped 90 Creates multiple autostart registry keys 33->90 40 conhost.exe 38->40         started        file18 signatures19 process20
Threat name:
Win32.Trojan.Amadey
Status:
Malicious
First seen:
2023-05-14 01:46:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vjw0rm family:wshrat persistence trojan worm
Behaviour
Modifies registry class
Script User-Agent
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Drops startup file
Blocklisted process makes network request
Vjw0rm
WSHRAT
WSHRAT payload
Malware Config
C2 Extraction:
http://vj5566.duckdns.org:5566
Unpacked files
SH256 hash:
b6e0c17a224fe0df6f58add122e0420aad76a697c1d7634aa0cfe2f5dc84dc2b
MD5 hash:
c159fc653a86ef3eab80e5d06b9cfa2c
SHA1 hash:
f95b35bcd8528dafda2b8fd53bed2bab150676e3
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

Vjw0rm

Executable exe b6e0c17a224fe0df6f58add122e0420aad76a697c1d7634aa0cfe2f5dc84dc2b

(this sample)

  
Delivery method
Distributed via web download

Comments