MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1883b3e1bc451fba939f8d4000e1608945d5d1e75085da1909e55880b0c7dec0. 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


Rhadamanthys


Vendor detections: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1883b3e1bc451fba939f8d4000e1608945d5d1e75085da1909e55880b0c7dec0
SHA3-384 hash: a46e174fdaa8bcfd81e339db8d13d3f4e0fe2d99128b5c770ed016fda47296a0926e1ca89448a1d76031ed54b767884b
SHA1 hash: 62141802f732db4358daf6113d5753d9ebf66387
MD5 hash: aa4703c0b54d7282f2ca70ca6b35639c
humanhash: muppet-sixteen-pizza-high
File name:install.pdf.lnk
Download: download sample
Signature Rhadamanthys
Create hunting rule
File size:1'966 bytes
First seen:2024-03-07 14:21:08 UTC
Last seen:Never
File type:Shortcut (lnk) lnk
MIME type:application/octet-stream
ssdeep 24:8WYaNBmYhZHcvm4pyAcPkr+/42+nQ6E3Gdd79dshavt3r3KrlcKOdm:8WYazmSZHomu21j3GdJ9FvpbolMd
TLSH T10341E1111BE60735F7F38E761C7697109A76F80AED12AF0E41A5828808A6501E575F7B
Reporter rmceoin
Tags:lnk Rhadamanthys


Avatar
rmceoin
91.92.250.150/Downloads/install.pdf.lnk
lastmodified: Wed, 06 Mar 2024 20:23:26 GMT
LNK -> mshta http://89.23.98.210/install -> https://arf.berkeley.edu/installation.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
181
Origin country :
US US
Vendor Threat Intelligence
Detection(s):
TwinWave.EvilLNK.LOLBinForFilesHeartBeat.20220523.UNOFFICIAL
Create hunting rule

TwinWave.EvilLNK.LOLBinOddLookPSHELL.20220711.UNOFFICIAL
Create hunting rule

TwinWave.EvilLNK.OddLook.202207213.UNOFFICIAL
Create hunting rule

TwinWave.EvilLNK.HTTPDottedQuadPolicykill.20220908.UNOFFICIAL
Create hunting rule

TwinWave.EvilLNK.KingForADaypshell.20231121.UNOFFICIAL
Create hunting rule

TwinWave.EvilLNK.KingForADaymshta.20231121.UNOFFICIAL
Create hunting rule

TwinWave.EvilLNK.SilverChairs4SilverBacks.20221114.UNOFFICIAL
Create hunting rule

TwinWave.EvilLNK.OtherPosition.02122024.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malicious
File Type:
LNK File - Malicious
Link:
https://app.docguard.net/1883b3e1bc451fba939f8d4000e1608945d5d1e75085da1909e55880b0c7dec0/results/dashboard
Payload URLs
URL
File name
http://89.23.98.210/install
LNK File
Behaviour
BlacklistAPI detected
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
forfiles lolbin masquerade mshta shell32
Link:
https://www.filescan.io/uploads/65e9cd8d0ef6f5eba48ffeda/reports/c8e6b45e-61dc-4fe7-84ed-4955ed9d2447/overview
Verdict:
Malicious
Labled as:
Trojan.WinLNK.Agent
Link:
https://www.hybrid-analysis.com/sample/1883b3e1bc451fba939f8d4000e1608945d5d1e75085da1909e55880b0c7dec0
Result
Verdict:
MALICIOUS
Details
IPv4 Dotted Quad URL
A URL was detected referencing a direct IP address, as opposed to a domain name.
Result
Threat name:
RHADAMANTHYS
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1404784
Signature
Antivirus detection for URL or domain
Checks if the current machine is a virtual machine (disk enumeration)
Drops PE files with a suspicious file extension
Found URL in windows shortcut file (LNK)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Sigma detected: Potentially Suspicious PowerShell Child Processes
Sigma detected: Suspicious MSHTA Child Process
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Very long command line found
Windows shortcut file (LNK) contains suspicious command line arguments
Windows shortcut file (LNK) starts blacklisted processes
Yara detected RHADAMANTHYS Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1404784 Sample: install.pdf.lnk Startdate: 07/03/2024 Architecture: WINDOWS Score: 100 73 pdfobject.com 2->73 75 arf.berkeley.edu 2->75 77 RzICJnjnIsiD.RzICJnjnIsiD 2->77 91 Malicious sample detected (through community Yara rule) 2->91 93 Antivirus detection for URL or domain 2->93 95 Windows shortcut file (LNK) starts blacklisted processes 2->95 97 8 other signatures 2->97 13 forfiles.exe 1 2->13         started        16 svchost.exe 1 1 2->16         started        signatures3 process4 dnsIp5 119 Windows shortcut file (LNK) starts blacklisted processes 13->119 19 powershell.exe 7 13->19         started        22 conhost.exe 1 13->22         started        71 127.0.0.1 unknown unknown 16->71 signatures6 process7 signatures8 99 Powershell drops PE file 19->99 24 mshta.exe 16 19->24         started        process9 dnsIp10 81 89.23.98.210, 49707, 80 MAXITEL-ASRU Russian Federation 24->81 67 C:\Users\user\AppData\Local\...\install[1], PE32 24->67 dropped 109 Windows shortcut file (LNK) starts blacklisted processes 24->109 111 Suspicious powershell command line found 24->111 113 Very long command line found 24->113 29 powershell.exe 17 18 24->29         started        file11 signatures12 process13 dnsIp14 83 arf.berkeley.edu 162.241.151.157, 443, 49712 UNIFIEDLAYER-AS-1US United States 29->83 85 pdfobject.com 185.199.108.153, 443, 49711 FASTLYUS Netherlands 29->85 69 C:\Users\user\AppData\...\installation.exe, PE32 29->69 dropped 33 installation.exe 29->33         started        37 Acrobat.exe 79 29->37         started        39 conhost.exe 29->39         started        file15 process16 file17 65 C:\Users\user\AppData\Local\...\Bestsellers, PE32 33->65 dropped 87 Windows shortcut file (LNK) starts blacklisted processes 33->87 89 Multi AV Scanner detection for dropped file 33->89 41 cmd.exe 33->41         started        44 AcroCEF.exe 107 37->44         started        signatures18 process19 signatures20 101 Windows shortcut file (LNK) starts blacklisted processes 41->101 103 Uses ping.exe to sleep 41->103 105 Drops PE files with a suspicious file extension 41->105 107 Uses ping.exe to check the status of other devices and networks 41->107 46 Approved.pif 41->46         started        48 cmd.exe 41->48         started        51 conhost.exe 41->51         started        56 7 other processes 41->56 53 AcroCEF.exe 44->53         started        process21 dnsIp22 58 dialer.exe 46->58         started        61 WerFault.exe 46->61         started        63 C:\Users\user\AppData\Local\...\Approved.pif, PE32 48->63 dropped 79 23.37.16.185, 443, 49722 IPG-AS-APPhilippineLongDistanceTelephoneCompanyPH United States 53->79 file23 process24 signatures25 115 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 58->115 117 Checks if the current machine is a virtual machine (disk enumeration) 58->117
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1883b3e1bc451fba939f8d4000e1608945d5d1e75085da1909e55880b0c7dec0/
Threat name:
Shortcut.Dropper.Generic
Create hunting rule
Status:
Suspicious
First seen:
2024-03-07 14:22:05 UTC
File Type:
Binary
AV detection:
5 of 38 (13.16%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dcb3hyn4iup3ve47rvaabylarfc5luphkcc5ugij4vmibmgh33aa._file
Result
Malware family:
rhadamanthys
Create hunting rule
Score:
  10/10
Tags:
family:rhadamanthys stealer
Link:
https://tria.ge/reports/240307-rpjwpseb61/
Behaviour
Checks processor information in registry
Enumerates processes with tasklist
Modifies Internet Explorer settings
Modifies registry class
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Checks computer location settings
Executes dropped EXE
Blocklisted process makes network request
Downloads MZ/PE file
Rhadamanthys
Suspicious use of NtCreateUserProcessOtherParentProcess
Malware Config
Dropper Extraction:
http://89.23.98.210/install
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/1883b3e1bc451fba939f8d4000e1608945d5d1e75085da1909e55880b0c7dec0

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:Download_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies download artefacts in shortcut (LNK) files.
Rule name:EXE_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies executable artefacts in shortcut (LNK) files.
Rule name:PS_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies PowerShell artefacts in shortcut (LNK) files.

File information

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

Rhadamanthys

Shortcut (lnk) lnk 1883b3e1bc451fba939f8d4000e1608945d5d1e75085da1909e55880b0c7dec0

(this sample)

Rhadamanthys

Executable exe 4be740b7411f644b92749c5fd9be10b827f885c13690aaf7857a6d58b44e9c8c

Rhadamanthys

Executable exe 988b61e4f786ebf7b699b909cd02de00efc1d91736d2b793101488e23575c146

  
Dropping
SHA256 988b61e4f786ebf7b699b909cd02de00efc1d91736d2b793101488e23575c146
  
Dropping
MD5 ad99d2273270aef8c93d6933b8da1855

Comments