MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 47e805419c0c2d50497c645cd250b338c2a23f82c23fe1f9c0bc686c02fa38e6. 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: 9


Intelligence 9 IOCs 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 47e805419c0c2d50497c645cd250b338c2a23f82c23fe1f9c0bc686c02fa38e6
SHA3-384 hash: ca3e0d6b30f620a48e35e1a161c91b388a71acbd973bb3cb678e81119b9943aefacd63d1e3da1cc6d05481e9022e916b
SHA1 hash: f1df92b7a9285e78c05fb83b963bcd38dfb45161
MD5 hash: f8e996af73a3a9404201f06577dedf6b
humanhash: apart-alpha-east-hot
File name:47E805419C0C2D50497C645CD250B338C2A23F82C23FE.exe
Download: download sample
Signature Vjw0rm
Create hunting rule
File size:3'014'144 bytes
First seen:2022-06-01 00:38:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 49152:UB+/XBk9D73JCp1AfDHy2v0SJ5KxXmrUAWeOQBanR1N5ZW8gxeeqjFhzXX:UB+/+CcLkUwXmJWNQBavZWRU
TLSH T14DD501BB6A7B5A20F7140C3454A20AFC36B39FC27D2BF6106C61755ACB37BD1285D286
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 8e2b2b162a176d49 (1 x Vjw0rm, 1 x RedLineStealer)
Reporter abuse_ch
Tags:exe vjw0rm


Avatar
abuse_ch
Vjw0rm C2:
http://kral.linkpc.net:2/Vre

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://kral.linkpc.net:2/Vre https://threatfox.abuse.ch/ioc/644144/

Intelligence

File Origin
# of uploads :
1
# of downloads :
368
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
47E805419C0C2D50497C645CD250B338C2A23F82C23FE.exe
Verdict:
Malicious activity
Analysis date:
2022-06-01 00:41:02 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e87de269-cc95-4a39-b90b-f615fd45fa13

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/275840/
Detection(s):
SecuriteInfo.com.Trojan.Siggen17.51397.14275.15434.UNOFFICIAL
Create hunting rule

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 window
Creating a file
Delayed reading of the file
Creating a file in the %temp% subdirectories
Using the Windows Management Instrumentation requests
Creating a process with a hidden window
Launching a process
DNS request
Sending a custom TCP request
Searching for synchronization primitives
Searching for the window
Sending a UDP request
Possible injection to a system process
Downloading the file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Unauthorized injection to a system process
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dfc35132-e392-47d8-84a6-d1b8ea6a32dd
Result
Threat name:
Njrat, VjW0rm
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1004646
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Creates processes via WMI
Drops script or batch files to the startup folder
Encrypted powershell cmdline option found
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 the windows firewall
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sigma detected: Drops script at startup location
Sigma detected: Powershell download and execute file
Snort IDS alert for network traffic
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Uses cmd line tools excessively to alter registry or file data
Uses ipconfig to lookup or modify the Windows network settings
Uses known network protocols on non-standard ports
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Uses whoami command line tool to query computer and username
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Njrat
Yara detected VjW0rm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 637142 Sample: 47E805419C0C2D50497C645CD25... Startdate: 01/06/2022 Architecture: WINDOWS Score: 100 115 thearakanpost.com 2->115 117 kraldeli.linkpc.net 2->117 143 Snort IDS alert for network traffic 2->143 145 Multi AV Scanner detection for domain / URL 2->145 147 Malicious sample detected (through community Yara rule) 2->147 149 13 other signatures 2->149 11 47E805419C0C2D50497C645CD250B338C2A23F82C23FE.exe 3 10 2->11         started        14 powershell.exe 2->14         started        18 wscript.exe 2->18         started        20 4 other processes 2->20 signatures3 process4 dnsIp5 105 C:\Users\user\AppData\...\IDM 64bit Patch.exe, PE32 11->105 dropped 107 C:\Users\user\AppData\Roaming\aclui.dll.js, Little-endian 11->107 dropped 109 47E805419C0C2D5049...A23F82C23FE.exe.log, ASCII 11->109 dropped 22 wscript.exe 1 1 11->22         started        25 wscript.exe 2 14 11->25         started        29 IDM 64bit Patch.exe 26 26 11->29         started        31 wscript.exe 11->31         started        127 thearakanpost.com 150.95.96.70, 443, 49733, 49734 GMO-Z-COM-THGMO-ZcomNetDesignHoldingsCoLtdSG Singapore 14->127 111 C:\Users\user\AppData\Roaming\mnb.exe, PE32 14->111 dropped 177 Powershell drops PE file 14->177 33 mnb.exe 14->33         started        35 conhost.exe 14->35         started        129 kral.linkpc.net 18->129 179 System process connects to network (likely due to code injection or exploit) 18->179 181 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 18->181 37 schtasks.exe 18->37         started        131 kral.linkpc.net 20->131 133 kral.linkpc.net 20->133 135 kral.linkpc.net 20->135 39 schtasks.exe 20->39         started        41 2 other processes 20->41 file6 signatures7 process8 dnsIp9 151 Wscript starts Powershell (via cmd or directly) 22->151 43 powershell.exe 22->43         started        47 xcopy.exe 22->47         started        119 kraldeli.linkpc.net 84.51.52.166, 2, 49731, 49742 TELLCOM-ASTR Turkey 25->119 121 192.168.2.1 unknown unknown 25->121 123 kral.linkpc.net 25->123 93 C:\Users\user\AppData\Roaming\...\IDM.js, Little-endian 25->93 dropped 95 C:\Users\user\AppData\Local\Temp\IDM.js, Little-endian 25->95 dropped 153 Drops script or batch files to the startup folder 25->153 155 Uses schtasks.exe or at.exe to add and modify task schedules 25->155 157 Creates processes via WMI 25->157 159 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 25->159 50 schtasks.exe 1 25->50         started        97 C:\Program Files (x86)\...\Uninstall.exe, PE32 29->97 dropped 99 C:\Program Files (x86)\...\IDMan.exe, PE32 29->99 dropped 101 C:\Program Files (x86)\...\IDMGrHlp.exe, PE32 29->101 dropped 52 cmd.exe 29->52         started        103 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 33->103 dropped 161 Multi AV Scanner detection for dropped file 33->161 163 Encrypted powershell cmdline option found 33->163 54 powershell.exe 33->54         started        62 2 other processes 33->62 56 conhost.exe 37->56         started        58 conhost.exe 39->58         started        60 conhost.exe 41->60         started        file10 signatures11 process12 dnsIp13 125 thearakanpost.com 43->125 165 Uses ipconfig to lookup or modify the Windows network settings 43->165 167 Writes to foreign memory regions 43->167 169 Injects a PE file into a foreign processes 43->169 64 RegSvcs.exe 43->64         started        67 conhost.exe 43->67         started        113 C:\Users\user\AppData\...\aclui.dll.js, Little-endian 47->113 dropped 171 Drops script or batch files to the startup folder 47->171 69 conhost.exe 47->69         started        71 conhost.exe 50->71         started        173 Uses cmd line tools excessively to alter registry or file data 52->173 175 Uses whoami command line tool to query computer and username 52->175 73 cmd.exe 52->73         started        75 taskkill.exe 52->75         started        77 taskkill.exe 52->77         started        79 10 other processes 52->79 81 2 other processes 54->81 file14 signatures15 process16 signatures17 137 Uses netsh to modify the Windows network and firewall settings 64->137 139 Modifies the windows firewall 64->139 83 netsh.exe 64->83         started        141 Uses whoami command line tool to query computer and username 73->141 85 whoami.exe 73->85         started        87 conhost.exe 75->87         started        89 conhost.exe 77->89         started        process18 process19 91 conhost.exe 83->91         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/47e805419c0c2d50497c645cd250b338c2a23f82c23fe1f9c0bc686c02fa38e6/
Threat name:
Win32.Downloader.Nemucod
Create hunting rule
Status:
Malicious
First seen:
2022-03-05 08:48:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
22 of 26 (84.62%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=i7uakqm4bqwvasl4mroneufthdbkep4cyi76d6oaxrugyax2hdta._file
Result
Malware family:
vjw0rm
Create hunting rule
Score:
  10/10
Tags:
family:nanocore family:njrat family:vjw0rm evasion keylogger persistence spyware stealer suricata trojan worm
Link:
https://tria.ge/reports/220601-azl1dahbek/
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
Gathers network information
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Checks computer location settings
Drops startup file
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Modifies Windows Firewall
Stops running service(s)
Nirsoft
Modifies WinLogon for persistence
NanoCore
Process spawned unexpected child process
Suspicious use of NtCreateUserProcessOtherParentProcess
Vjw0rm
njRAT/Bladabindi
suricata: ET MALWARE Possible NanoCore C2 60B
Malware Config
C2 Extraction:
http://kral.linkpc.net:2
kraldeli.linkpc.net:54984
deli.mywire.org:54984
Dropper Extraction:
https://thearakanpost.com/img/twain_32.exe
https://thearakanpost.com/assets/logmain.html
Unpacked files
SH256 hash:
202fce89e1e4e503abf11fa020f8aeeea06160b76ce5a2e80ca122b35734c208
MD5 hash:
f387107d8a8d48faeff33972193fb17b
SHA1 hash:
1e6066fd966da7420b56da05333d89f901d84e55
Link:
https://www.unpac.me/results/a798be76-8cb1-46ef-a529-911dd2a28eb0/
SH256 hash:
b3fdc53c098cc6190ba13209d2c8af2022b8418cc1f805302e4c80e1c838dbb6
MD5 hash:
be62c2d5e9398c68c91113d9dd43be03
SHA1 hash:
0c7bb3fddee080f9bde80a97a5da0d97f111df0f
Link:
https://www.unpac.me/results/a798be76-8cb1-46ef-a529-911dd2a28eb0/
SH256 hash:
47e805419c0c2d50497c645cd250b338c2a23f82c23fe1f9c0bc686c02fa38e6
MD5 hash:
f8e996af73a3a9404201f06577dedf6b
SHA1 hash:
f1df92b7a9285e78c05fb83b963bcd38dfb45161
Link:
https://www.unpac.me/results/a798be76-8cb1-46ef-a529-911dd2a28eb0/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/47e805419c0c2d50497c645cd250b338c2a23f82c23fe1f9c0bc686c02fa38e6

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/275840/

Comments