MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 770f87be59bd619203b0a171f44d848463a421368bff75a878a7610d88e992d2. 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 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 770f87be59bd619203b0a171f44d848463a421368bff75a878a7610d88e992d2
SHA3-384 hash: 89a948864db930460805eb0a4252c8f9380593b290ccb51902fbc93c8564e0f497ccd8c984a0df340f5ce6eff15123fe
SHA1 hash: d7732891f0ae01759953bbf30cb195428ee9c2f5
MD5 hash: 38773cb9441e7e751cedb1fec5bd2388
humanhash: green-ten-lima-montana
File name:file
Download: download sample
Signature RustyStealer
Create hunting rule
File size:7'394'304 bytes
First seen:2025-11-17 13:41:11 UTC
Last seen:2025-11-17 13:41:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e1ce71f25140de24096ec0512713020e (1 x RustyStealer)
ssdeep 98304:5vKxQwCYpA5qz66jh2kdDZofkdLskQCY8lGzvn+ZoJ:Gmcznjh28ZWkqCNSv
TLSH T128767C03F69581E8C0AEC174C35B9637EB72BC890624B29F5BE44B622F26F605F1D359
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter Bitsight
Tags:dropped-by-amadey exe fbf543 RustyStealer


Avatar
Bitsight
url: http://178.16.55.189/files/7429313098/Qy6bCHU.exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
101
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2025-11-17 13:42:05 UTC
Tags:
rust
Link:
https://app.any.run/tasks/649eda63-5ab6-4db1-b52d-1cf4eee846bf

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/38482/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=691b260ebdb0ec3a9dc2c091
Tags:
shell sage remo
Result
Verdict:
Clean
Maliciousness:

Behaviour
Launching a process
Using the Windows Management Instrumentation requests
Creating a file in the %temp% subdirectories
Moving a file to the %temp% subdirectory
Replacing files
Connection attempt
Sending a custom TCP request
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug microsoft_visual_cc
Link:
https://www.filescan.io/uploads/691b2606cb2c297829f20cdc/reports/4f63706c-0263-4742-a8d4-181a3d8b98f3/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/770f87be59bd619203b0a171f44d848463a421368bff75a878a7610d88e992d2
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-11-17T11:17:00Z UTC
Last seen:
2025-11-17T16:13:00Z UTC
Hits:
~10
Detections:
UDS:DangerousObject.Multi.Generic NetTool.TorToolE.TCP.C&C NetTool.TorTool.TCP.C&C
Link:
https://opentip.kaspersky.com/770f87be59bd619203b0a171f44d848463a421368bff75a878a7610d88e992d2/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/2a36933d-0c68-40ce-9fef-f9e30fe93eb7
Score:
80%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/770f87be59bd619203b0a171f44d848463a421368bff75a878a7610d88e992d2
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/38773cb9441e7e751cedb1fec5bd2388
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/770f87be59bd619203b0a171f44d848463a421368bff75a878a7610d88e992d2/
Verdict:
Susipicious
Link:
https://tip.neiki.dev/file/770f87be59bd619203b0a171f44d848463a421368bff75a878a7610d88e992d2
Threat name:
Win64.Malware.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2025-11-17 13:41:29 UTC
File Type:
PE+ (Exe)
Extracted files:
2
AV detection:
9 of 24 (37.50%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o4hyppszxvqzea5qufy7itmeqrr2iijwrp7xlkdyu5qq3chjslja._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/251117-qzb36synhy/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/03ea8725-94da-4045-af03-81758033ea4d
Unpacked files
SH256 hash:
770f87be59bd619203b0a171f44d848463a421368bff75a878a7610d88e992d2
MD5 hash:
38773cb9441e7e751cedb1fec5bd2388
SHA1 hash:
d7732891f0ae01759953bbf30cb195428ee9c2f5
Link:
https://www.unpac.me/results/e9de0d83-eb36-487e-a3a8-8b34c39afe54/
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/770f87be59bd619203b0a171f44d848463a421368bff75a878a7610d88e992d2

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:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:command_and_control
Create hunting rule
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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:dependsonpythonailib
Create hunting rule
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:ProgramLanguage_Rust
Create hunting rule
Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
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
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:upxHook
Create hunting rule
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/

File information

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

Web download

RustyStealer

Executable exe 770f87be59bd619203b0a171f44d848463a421368bff75a878a7610d88e992d2

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3710624/
Cape
Cape
https://www.capesandbox.com/analysis/38482/

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