MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66407ed41276e3b642876832f53cdec0b17583f275c1373747a92b3af632fa7c. 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



Threat unknown


Vendor detections: 10


Intelligence 10 IOCs YARA 1 File information Comments

SHA256 hash: 66407ed41276e3b642876832f53cdec0b17583f275c1373747a92b3af632fa7c
SHA3-384 hash: 9229fe98493cec82a204208e496e8b1c3371fc51a52f63f5c7b3602ef5f42c2a2c71eb40957bd7c319f56b4f4b82a75c
SHA1 hash: 99059ef3c59837f8e8a8511a74870e63a0a8b40d
MD5 hash: 5de7a8a4b5a4a39856de22e16803dc92
humanhash: rugby-fix-alabama-rugby
File name:1685925204328a5426be097c76306ec665ea50b48474ff0dbae951fce23649ccd38b649d38150.dat-decoded
Download: download sample
File size:20'480 bytes
First seen:2023-06-05 00:33:26 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash dae02f32a21e03ce65412f6e56942daa (123 x YellowCockatoo, 60 x CobaltStrike, 44 x JanelaRAT)
ssdeep 384:mwp8+ZyYKHyCRSP96qlSZuMYf9vwEG9/XwJwq6uJfq2GSLwq3eu:r8+8Gl6uMp2Gzu
TLSH T1C8921A22FB479235CD2D0A33C8A5164503B09385A637DE6F78AD1319FF633EB1765AA0
TrID 87.2% (.DLL) Generic .NET DLL/Assembly (236632/4/32)
3.8% (.EXE) Win64 Executable (generic) (10523/12/4)
2.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.6% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:base64-decoded dll


Avatar
abuse_ch
Malware dropped as base64 encoded payload

Intelligence


File Origin
# of uploads :
1
# of downloads :
268
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
72 / 100
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Sigma detected: Execute DLL with spoofed extension
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 881534 Sample: 1685925204328a5426be097c763... Startdate: 05/06/2023 Architecture: WINDOWS Score: 72 15 Antivirus / Scanner detection for submitted sample 2->15 17 Multi AV Scanner detection for submitted file 2->17 19 Sigma detected: Execute DLL with spoofed extension 2->19 21 2 other signatures 2->21 7 loaddll32.exe 1 2->7         started        process3 process4 9 cmd.exe 1 7->9         started        11 conhost.exe 7->11         started        process5 13 rundll32.exe 9->13         started       
Threat name:
ByteCode-MSIL.Trojan.Zusy
Status:
Malicious
First seen:
2023-06-05 00:34:05 UTC
File Type:
PE (.Net Dll)
Extracted files:
4
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Unpacked files
SH256 hash:
66407ed41276e3b642876832f53cdec0b17583f275c1373747a92b3af632fa7c
MD5 hash:
5de7a8a4b5a4a39856de22e16803dc92
SHA1 hash:
99059ef3c59837f8e8a8511a74870e63a0a8b40d
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:extracted_at_0x44b
Author:cb
Description:sample - file extracted_at_0x44b.exe
Reference:Internal Research

File information


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

328a5426be097c76306ec665ea50b48474ff0dbae951fce23649ccd38b649d38

DLL dll 66407ed41276e3b642876832f53cdec0b17583f275c1373747a92b3af632fa7c

(this sample)

  
Dropped by
SHA256 328a5426be097c76306ec665ea50b48474ff0dbae951fce23649ccd38b649d38
  
Dropped by
MD5 8902c14e80504e990a94504fa383334d
  
Delivery method
Distributed via web download

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