MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 591b810327884966d4765c9b4fe1b6dac7ff52121b8b56a63b9966daf4ba800d. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments

SHA256 hash: 591b810327884966d4765c9b4fe1b6dac7ff52121b8b56a63b9966daf4ba800d
SHA3-384 hash: 3970d2010e291bfe8021eca3d963820be74331b7fcc91028527384fe6e996cff02006d4d1f1fe0cced6d446c10b40bee
SHA1 hash: 1821e7ac131244d901fc73f5b411e44ea8093146
MD5 hash: 5c7cdb61d60c948166d02a0573390d6d
humanhash: equal-oregon-blue-texas
File name:SecuriteInfo.com.Win32.WiperX-gen.13220.2654
Download: download sample
File size:63'488 bytes
First seen:2024-01-21 14:36:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 768:Eigzx8/17QuOVWCYw+97ju7jJ3nVaFWf8s7tYt7CJ21w7FP2dP9FjbOVkO2fDzAm:EZKWtQsGFWf8sMuQG7FP2dlBkkJF
Threatray 110 similar samples on MalwareBazaar
TLSH T19F533B09B78BA321CA350AB998F3C4511BF297AB61B3DA8B3DC452C50F127D5CF4275A
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
288
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a service
Creating a file
Blocking the Windows Defender launch
Disabling the operating system update service
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade
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 contains method to dynamically call methods (often used by packers)
Disable Windows Defender notifications (registry)
Disable Windows Defender real time protection (registry)
Disables Windows Defender Tamper protection
Machine Learning detection for sample
Modifies windows update settings
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Zusy
Status:
Malicious
First seen:
2024-01-21 14:37:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
.NET Reactor proctector
Windows security modification
Modifies Windows Defender Real-time Protection settings
Unpacked files
SH256 hash:
591b810327884966d4765c9b4fe1b6dac7ff52121b8b56a63b9966daf4ba800d
MD5 hash:
5c7cdb61d60c948166d02a0573390d6d
SHA1 hash:
1821e7ac131244d901fc73f5b411e44ea8093146
Detections:
INDICATOR_EXE_Packed_DotNetReactor
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:AgentTesla
Author:Harish Kumar P
Description:Yara Rule to Detect AgentTesla
Rule name:INDICATOR_EXE_Packed_DotNetReactor
Author:ditekSHen
Description:Detects executables packed with unregistered version of .NET Reactor
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
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

Executable exe 591b810327884966d4765c9b4fe1b6dac7ff52121b8b56a63b9966daf4ba800d

(this sample)

  
Delivery method
Distributed via web download

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