MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f47d1e39242ee4b528fcb6eb1a89983c27854bac57bc4a15597b37b7edf34a6. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8f47d1e39242ee4b528fcb6eb1a89983c27854bac57bc4a15597b37b7edf34a6
SHA3-384 hash: 2b8e588aa41988f5a3f6a9b11ecb726bb0b418425e07c1d6bae1127ed6eda91065c4fa34233a7544fd808bd3c5214381
SHA1 hash: b38385bfc52eacf2e96f7a919b64f6eb7c1224e0
MD5 hash: 0be6fcda8467300d7f5b35c77c9af344
humanhash: mobile-lithium-mobile-echo
File name:SecuriteInfo.com.Trojan.DownLoader44.36995.18145.24130
Download: download sample
Signature RustyStealer
Create hunting rule
File size:2'576'384 bytes
First seen:2022-02-12 10:59:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c9a901b938031721663fccb3d225574e (1 x RustyStealer)
ssdeep 24576:I8SBjIuW1U0ZneVSGhtj6EKRq/5VlmCGgd6Na9rdDsl3zYYnirW799FKeQn652qR:Z1Ue14texg/WtSr7GN3R2+
Threatray 31 similar samples on MalwareBazaar
TLSH T137C55A067701A4FBC84B4271A01E9338AB736698A71A8ED7D7809DB85DF53D12D3B63C
Reporter SecuriteInfoCom
Tags:exe RustyStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
352
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Trojan.DownLoader44.36995.18145.24130
Verdict:
Malicious activity
Analysis date:
2022-02-12 11:50:08 UTC
Tags:
installer loader
Link:
https://app.any.run/tasks/a50cc8b7-e072-43d8-b94e-4b3b2d4f0a64

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/241071/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader44.36995.18145.24130.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending an HTTP GET request
Creating a process from a recently created file
Creating a file in the %temp% subdirectories
DNS request
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a custom TCP request
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug greyware
Link:
https://www.filescan.io/uploads/62079339289e2f3e4fc943fd/reports/f1930d5c-1225-4757-8ad8-d0aa9cd0da71/overview
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.
Malware family:
BlackCat Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6aa237c3-7256-4068-a730-6b37a1aa8079
Result
Threat name:
Unknown
Detection:
malicious
Classification:
adwa
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/938757
Signature
Drops PE files to the startup folder
Drops PE files with benign system names
Multi AV Scanner detection for submitted file
Sigma detected: Suspect Svchost Activity
Sigma detected: System File Execution Location Anomaly
Uses cmd line tools excessively to alter registry or file data
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 571230 Sample: SecuriteInfo.com.Trojan.Dow... Startdate: 12/02/2022 Architecture: WINDOWS Score: 72 70 Multi AV Scanner detection for submitted file 2->70 72 Sigma detected: Suspect Svchost Activity 2->72 74 Sigma detected: System File Execution Location Anomaly 2->74 9 SecuriteInfo.com.Trojan.DownLoader44.36995.18145.exe 2 2->9         started        14 svchost.exe 160 2->14         started        16 svchost.exe 1 2->16         started        18 3 other processes 2->18 process3 dnsIp4 64 62.182.159.89, 49792, 80 AutonomousSystemofBaunetworks-SerbiaRS Russian Federation 9->64 54 C:\Users\user\AppData\Roaming\...\svchost.exe, PE32+ 9->54 dropped 78 Drops PE files to the startup folder 9->78 80 Drops PE files with benign system names 9->80 20 svchost.exe 160 9->20         started        23 conhost.exe 9->23         started        56 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 14->56 dropped 58 C:\Users\user\AppData\Local\...\sqlite3.dll, PE32+ 14->58 dropped 60 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 14->60 dropped 62 63 other files (none is malicious) 14->62 dropped 25 svchost.exe 1 14->25         started        27 conhost.exe 14->27         started        file5 signatures6 process7 file8 46 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 20->46 dropped 48 C:\Users\user\AppData\Local\...\sqlite3.dll, PE32+ 20->48 dropped 50 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 20->50 dropped 52 63 other files (none is malicious) 20->52 dropped 29 svchost.exe 1 20->29         started        32 cmd.exe 25->32         started        35 cmd.exe 25->35         started        process9 dnsIp10 66 127.0.0.1 unknown unknown 29->66 37 cmd.exe 1 29->37         started        40 cmd.exe 1 29->40         started        68 Uses cmd line tools excessively to alter registry or file data 32->68 42 reg.exe 1 32->42         started        signatures11 process12 signatures13 76 Uses cmd line tools excessively to alter registry or file data 37->76 44 reg.exe 1 37->44         started        process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8f47d1e39242ee4b528fcb6eb1a89983c27854bac57bc4a15597b37b7edf34a6/
Threat name:
Win32.Trojan.Reconyc
Create hunting rule
Status:
Malicious
First seen:
2022-02-11 13:17:43 UTC
File Type:
PE (Exe)
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=r5d5dy4silxewuupznxldkezqpbhqvf2yv54jikvs6zxw7w7gsta._file
Verdict:
malicious
Similar samples:
310fae0d844061aeea3d540052c5daadd3ea406b6fcc529b44c7997ac6a09cbb
RustyStealer
36227451bca557ea1488a46b8642d1eebceeeaed14c34e96f216a56321bff60c
RustyStealer
6e86ad43d7677a7d9a81ac9dd17df97703dfb49ee4456601b4fa2edd518ce0e5
RustyStealer
c3cad582268b165711e2f2b1834891c7bcb5e57a7efb1e709e3df19d011ad656
RustyStealer
f63f90decc7d763f3c5202c7a4c643aeb99fd1d85ca97d64bf77fc1cc733f9f9
RustyStealer
ffc3d4c2d7568d3d632ba01f05fcb54bb8bc2b73afabc4741999957498011568
RustyStealer
+ 21 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
pyinstaller spyware stealer
Link:
https://tria.ge/reports/220212-m31ddsdbdn/
Behaviour
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Detects Pyinstaller
Drops file in Windows directory
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Unpacked files
SH256 hash:
8f47d1e39242ee4b528fcb6eb1a89983c27854bac57bc4a15597b37b7edf34a6
MD5 hash:
0be6fcda8467300d7f5b35c77c9af344
SHA1 hash:
b38385bfc52eacf2e96f7a919b64f6eb7c1224e0
Link:
https://www.unpac.me/results/119d8411-8cce-4a1d-801e-1531040ce29c/
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:downloader_macros
Create hunting rule
Author:ddvvmmzz
Description:downloader macros
Rule name:Rustyloader_mem_loose
Create hunting rule
Author:James_inthe_box
Description:Corroded buerloader
Reference:https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24

File information

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

Web download

RustyStealer

Executable exe 8f47d1e39242ee4b528fcb6eb1a89983c27854bac57bc4a15597b37b7edf34a6

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/241071/
  
URLhaus
https://urlhaus.abuse.ch/url/2041271/
  
Delivery method
Distributed via web download

Comments