MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0771ddc1515150cf7bb2eaed7ce17db58bf1f3f963ec60b28e29266763c92594. 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



RustyStealer


Vendor detections: 9


Intelligence 9 IOCs YARA 7 File information Comments

SHA256 hash: 0771ddc1515150cf7bb2eaed7ce17db58bf1f3f963ec60b28e29266763c92594
SHA3-384 hash: 65d9810ebafa8e3794078385f2687f1fd48772d868db407276923f1c6732f383e454cf0cb4de54e572dae62c3f529df2
SHA1 hash: a65bce229a1f0143c6f5c86a205da15d74652335
MD5 hash: 0dbaff61a0d7eb35c23542fe980c8e30
humanhash: william-nine-crazy-yellow
File name:mtk.exe
Download: download sample
Signature RustyStealer
File size:4'175'360 bytes
First seen:2023-10-24 20:13:59 UTC
Last seen:2023-10-25 21:41:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 67369187d395d43495f72ffdf9b69f9b (1 x RustyStealer)
ssdeep 49152:5hkVUncRtu1kPxXzEgDH/0nl0efk6e4Ath5+hY7hYKJ+NFK2Z0N/eEDNIGuWFlva:qxJDhlEF0N/e06Wrghxt
Threatray 1 similar samples on MalwareBazaar
TLSH T11B163A217B8A99ADC15AC074825747726A3130CF0F35BAFF458896783E26AF51F3D398
TrID 48.7% (.EXE) Win64 Executable (generic) (10523/12/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Reporter Anonymous
Tags:exe RustyStealer

Intelligence


File Origin
# of uploads :
2
# of downloads :
359
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
mtk.exe
Verdict:
Malicious activity
Analysis date:
2023-10-24 20:15:04 UTC
Tags:
upatre trojan evasion sinkhole amadey botnet stealer ransomware teslacrypt cerber apt strongpity plugx fareit pony

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Gathering data
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug greyware
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.
Threat name:
Win64.Trojan.Malgent
Status:
Malicious
First seen:
2023-10-24 20:15:06 UTC
File Type:
PE+ (Exe)
AV detection:
10 of 23 (43.48%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:amadey family:neshta evasion persistence spyware trojan upx
Behaviour
Kills process with taskkill
Modifies registry class
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
System policy modification
NSIS installer
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Drops file in Windows directory
AutoIT Executable
Drops file in System32 directory
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
Modifies system executable filetype association
Registers COM server for autorun
UPX packed file
Amadey
Contains code to disable Windows Defender
Detect Neshta payload
Neshta
UAC bypass
Unpacked files
SH256 hash:
0771ddc1515150cf7bb2eaed7ce17db58bf1f3f963ec60b28e29266763c92594
MD5 hash:
0dbaff61a0d7eb35c23542fe980c8e30
SHA1 hash:
a65bce229a1f0143c6f5c86a205da15d74652335
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:command_and_control
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:reverse_http
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:Rustyloader_mem_loose
Author:James_inthe_box
Description:Corroded buerloader
Reference:https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants

File information


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

Web download

RustyStealer

Executable exe 0771ddc1515150cf7bb2eaed7ce17db58bf1f3f963ec60b28e29266763c92594

(this sample)

  
Delivery method
Distributed via web download

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