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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 74fca8bc66d82048835fd2683fb673f82c6bbba6fc5ae1f7b07c2be6f5437a68. 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


WSHRAT


Vendor detections: 7


Intelligence 7 IOCs YARA 1 File information Comments
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SHA256 hash: 74fca8bc66d82048835fd2683fb673f82c6bbba6fc5ae1f7b07c2be6f5437a68
SHA3-384 hash: 526bad131ce3246eda567b8d9fc0fe6bfa33d3c28508e55bcba699a4e493acd4794eecd05348eec45d1e64163d5af3a6
SHA1 hash: 047fae3fc68e5a3d540606e23a9e0c776caed390
MD5 hash: 90764ebb7698c03e99414abebcb5746c
humanhash: florida-indigo-vegan-orange
File name:879-5160.js
Download: download sample
Signature WSHRAT
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File size:449'525 bytes
First seen:2022-11-09 14:43:34 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 6144:uG40ClC7RcWn8EZ5K9wCmZ7FMI5L2sDlPt8rXC8kjJ1egfVX8IPxxmVfhiUJeeI+:uG4BiF5K9YV2mtw3gdXZXEIvYcXM
TLSH T153A4E015CB949FA8CF5C1A03D0FC4D1D27B11B8EC8616ACEA7377D4B9B9ED08901A5AC
Reporter 0xToxin
Tags:172.93.220.135 js STRRAT vjw0rm wshrat

Intelligence

File Origin
# of uploads :
1
# of downloads :
215
Origin country :
IL IL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.JS.BackDoor.17.11655.14145.UNOFFICIAL
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Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm evasive fingerprint obfuscated wscript.exe
Link:
https://www.filescan.io/uploads/636bbcb383b66bc0f0422a76/reports/58ac5cd3-0864-4bee-a715-dae210b96aa5/overview
Result
Threat name:
WSHRat, VjW0rm
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Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1109383
Signature
Antivirus detection for URL or domain
Benign windows process drops PE files
Creates autostart registry keys with suspicious names
Detected WSHRat
Drops script or batch files to the startup folder
JavaScript source code contains functionality to generate code involving a shell, file or stream
JScript performs obfuscated calls to suspicious functions
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Potential malicious VBS/JS script found (suspicious encoded 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 known network protocols on non-standard ports
Wscript called in batch mode (surpress errors)
Yara detected AllatoriJARObfuscator
Yara detected VjW0rm
Yara detected WSHRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 742067 Sample: 879-5160.js Startdate: 09/11/2022 Architecture: WINDOWS Score: 100 80 Sigma detected: Register Wscript In Run Key 2->80 82 Snort IDS alert for network traffic 2->82 84 Multi AV Scanner detection for domain / URL 2->84 86 11 other signatures 2->86 9 wscript.exe 3 7 2->9         started        13 wscript.exe 2->13         started        15 wscript.exe 2->15         started        18 3 other processes 2->18 process3 dnsIp4 52 C:\Users\user\AppData\Roaming\VBWjfUFDNu.js, ASCII 9->52 dropped 54 C:\Users\user\...\879-5160.js:Zone.Identifier, ASCII 9->54 dropped 56 C:\Users\user\AppData\Roaming\...\879-5160.js, ASCII 9->56 dropped 58 2 other malicious files 9->58 dropped 92 System process connects to network (likely due to code injection or exploit) 9->92 94 Benign windows process drops PE files 9->94 96 Detected WSHRat 9->96 100 5 other signatures 9->100 20 wscript.exe 4 503 9->20         started        25 wscript.exe 1 13 9->25         started        98 Wscript called in batch mode (surpress errors) 13->98 27 wscript.exe 13->27         started        76 192.168.2.1 unknown unknown 15->76 29 wscript.exe 15->29         started        78 javaautorun.duia.ro 18->78 31 wscript.exe 18->31         started        file5 signatures6 process7 dnsIp8 68 wshsoft.company 194.59.164.67, 49708, 80 AS-HOSTINGERLT Germany 20->68 70 egodds.longmusic.com 172.93.220.135, 2048, 49702, 49704 XTOM-AS-JPxTomJP United States 20->70 72 ip-api.com 208.95.112.1, 49701, 80 TUT-ASUS United States 20->72 42 C:\...\api-ms-win-crt-utility-l1-1-0.dll, PE32 20->42 dropped 44 C:\Users\...\api-ms-win-crt-time-l1-1-0.dll, PE32 20->44 dropped 46 C:\Users\...\api-ms-win-crt-string-l1-1-0.dll, PE32 20->46 dropped 50 320 other files (1 malicious) 20->50 dropped 88 System process connects to network (likely due to code injection or exploit) 20->88 90 Wscript called in batch mode (surpress errors) 20->90 33 wscript.exe 20->33         started        36 javaw.exe 20->36         started        74 javaautorun.duia.ro 5.62.56.23, 5465 AVAST-AS-DCCZ United Kingdom 25->74 48 C:\Users\user\AppData\...\VBWjfUFDNu.js, ASCII 25->48 dropped file9 signatures10 process11 dnsIp12 60 javaautorun.duia.ro 33->60 62 140.82.121.3 GITHUBUS United States 36->62 64 github.com 140.82.121.4, 443, 49710, 49714 GITHUBUS United States 36->64 66 2 other IPs or domains 36->66 38 icacls.exe 36->38         started        process13 process14 40 conhost.exe 38->40         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/74fca8bc66d82048835fd2683fb673f82c6bbba6fc5ae1f7b07c2be6f5437a68/
Threat name:
Script-JS.Trojan.Leonem
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Status:
Malicious
First seen:
2022-11-09 14:44:05 UTC
File Type:
Text (JavaScript)
AV detection:
9 of 25 (36.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ot6krpdg3aqera272jud7ntt7awgxo5g7rnod55qpqv6n5kdpjua._file
Result
Malware family:
wshrat
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Score:
  10/10
Tags:
family:vjw0rm family:wshrat persistence trojan worm
Link:
https://tria.ge/reports/221109-r35qbsbcek/
Behaviour
Modifies registry class
Script User-Agent
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Loads dropped DLL
Blocklisted process makes network request
Vjw0rm
WSHRAT
Malware Config
C2 Extraction:
http://egodds.longmusic.com:2048
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/74fca8bc66d82048835fd2683fb673f82c6bbba6fc5ae1f7b07c2be6f5437a68

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:Base64_Encoded_Powershell_Directives
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File information

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

Malspam

WSHRAT

Java Script (JS) js 74fca8bc66d82048835fd2683fb673f82c6bbba6fc5ae1f7b07c2be6f5437a68

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments