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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c7b9cb808566af4dffaee645076ff5d9250d8977181398b7a95fbffb007b7529. 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 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c7b9cb808566af4dffaee645076ff5d9250d8977181398b7a95fbffb007b7529
SHA3-384 hash: 7823a8a096cdfe6ea7ffaf710288b0c75f0ce401721b983b0a20d4928d97fd7012a298ab0c398fc9d6d3b21e4e2c28ea
SHA1 hash: ab31ceaa977c0c3700eeb360c99754091be47d2a
MD5 hash: 64a726a5d35fdd8e1b31e60e6c031ea8
humanhash: don-queen-west-muppet
File name:Gozmello catalog 09_2026.pdf.exe
Download: download sample
Signature RustyStealer
Create hunting rule
File size:10'968'307 bytes
First seen:2026-10-01 21:19:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 14b5211b474625586733f7a3ad9cc73d (2 x RustyStealer)
ssdeep 98304:564iYWmrjOprKCsPmGkF2l5c6EGC6hfOB3Dp65RzwvRAogph3u+ywM4iD+vbyI+i:wYiFc5chGCw2B3ARiDcAbwRiD+vbyIW+
TLSH T1D8B69D43E6A6C0E8C52AC071C386E2B2FA727C494B2575FB06D46E273E21ED05B3DB55
TrID 37.0% (.EXE) Win64 Executable (generic) (6522/11/2)
28.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
11.5% (.EXE) OS/2 Executable (generic) (2029/13)
11.3% (.EXE) Generic Win/DOS Executable (2002/3)
11.3% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
dhash icon 64c28292b2aa8ed4 (2 x RustyStealer, 1 x RemcosRAT)
Reporter smica83
Tags:exe RustyStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
212
Origin country :
HU HU
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-10-01 21:27:32 UTC
Tags:
evasion auto-reg stealer
Link:
https://app.any.run/tasks/692e151c-df9f-4dee-add6-997ddad9ee99

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/90201/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file
Launching a process
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug crypto masquerade overlay packed packed reconnaissance rust
Link:
https://www.filescan.io/uploads/6abece9bc45547e9c4b91df6/reports/614689d3-331b-4ba5-a8a7-db1610b1cad7/overview
Verdict:
Suspicious
Labled as:
Trojan/MalwareX
Link:
https://www.hybrid-analysis.com/sample/c7b9cb808566af4dffaee645076ff5d9250d8977181398b7a95fbffb007b7529
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-10-02T00:26:00Z UTC
Last seen:
2026-10-03T13:26:00Z UTC
Hits:
~100
Detections:
Trojan.Win64.Agentb.lmmv PDM:Trojan.Win32.Badex.d
Link:
https://opentip.kaspersky.com/c7b9cb808566af4dffaee645076ff5d9250d8977181398b7a95fbffb007b7529/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/72d9aaa1-f6f7-4ca3-a61c-9129e9d3b5f3
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1980595
Signature
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Creates an undocumented autostart registry key
Creates multiple autostart registry keys
Installs a global keyboard hook
Obfuscated command line found
Queries sensitive battery information (via WMI, Win32_Battery, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Queries the machine ID of the display
Sigma detected: Add file from suspicious location to autostart registry
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Execution from Suspicious Folder
Sigma detected: New RUN Key Pointing to Suspicious Folder
Tries to detect sandboxes / dynamic malware analysis system (Installed program check)
Tries to detect virtualization through RDTSC time measurements
Uses cmd line tools excessively to alter registry or file data
Uses schtasks.exe or at.exe to add and modify task schedules
Uses whoami command line tool to query computer and username
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1980595 Sample: oD3gYIpPV8 Startdate: 01/10/2026 Architecture: WINDOWS Score: 100 114 g-956487.com 2->114 116 ye2.c.lencr.org 2->116 118 10 other IPs or domains 2->118 138 Antivirus detection for URL or domain 2->138 140 Sigma detected: Add file from suspicious location to autostart registry 2->140 142 Sigma detected: New RUN Key Pointing to Suspicious Folder 2->142 144 2 other signatures 2->144 10 oD3gYIpPV8.exe 468 2->10         started        15 jbootstrap.exe 2->15         started        17 guard.exe 2->17         started        19 3 other processes 2->19 signatures3 process4 dnsIp5 124 g-956487.com 172.67.176.216, 443, 49745, 49751 CLOUDFLARENET-CloudflareIncUS Canada 10->124 126 pki-goog.l.google.com 142.251.167.94, 49748, 80 GOOGLE-GoogleLLCUS United States 10->126 128 2 other IPs or domains 10->128 104 C:\Users\user\AppData\...\classpath.args, ASCII 10->104 dropped 106 C:\Users\user\AppData\Local\...\zip.dll, PE32+ 10->106 dropped 108 C:\Users\user\...\windowsaccessbridge-64.dll, PE32+ 10->108 dropped 110 97 other files (none is malicious) 10->110 dropped 162 Obfuscated command line found 10->162 164 Bypasses PowerShell execution policy 10->164 166 Tries to detect virtualization through RDTSC time measurements 10->166 21 javaw.exe 59 10->21         started        26 powershell.exe 19 10->26         started        28 conhost.exe 10->28         started        30 conhost.exe 15->30         started        32 tasklist.exe 15->32         started        file6 signatures7 process8 dnsIp9 120 ipwho.is 172.66.175.107, 443, 49750 CLOUDFLARENET-CloudflareIncUS Canada 21->120 122 get.geojs.io 172.67.70.233, 443, 49752 CLOUDFLARENET-CloudflareIncUS Canada 21->122 82 C:\Users\user\AppData\Local\...\guard.exe.tmp, PE32+ 21->82 dropped 84 C:\Users\user\AppData\...\guard.exe (copy), PE32+ 21->84 dropped 86 C:\Users\user\AppData\Local\...\fg-window.ps1, ASCII 21->86 dropped 88 15 other files (none is malicious) 21->88 dropped 148 Uses cmd line tools excessively to alter registry or file data 21->148 150 Uses schtasks.exe or at.exe to add and modify task schedules 21->150 152 Installs a global keyboard hook 21->152 154 Tries to detect sandboxes / dynamic malware analysis system (Installed program check) 21->154 34 guard.exe 21->34         started        37 cmd.exe 21->37         started        39 jbootstrap.exe 21->39         started        43 19 other processes 21->43 156 Queries sensitive battery information (via WMI, Win32_Battery, often done to detect virtual machines) 26->156 158 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 26->158 160 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 26->160 41 conhost.exe 32->41         started        file10 signatures11 process12 file13 130 Creates an undocumented autostart registry key 34->130 132 Creates multiple autostart registry keys 34->132 134 Uses whoami command line tool to query computer and username 37->134 46 conhost.exe 37->46         started        48 whoami.exe 37->48         started        50 findstr.exe 37->50         started        52 conhost.exe 39->52         started        55 tasklist.exe 39->55         started        112 C:\Users\user\AppData\...\2vtg2lbv.cmdline, Unicode 43->112 dropped 136 Queries the machine ID of the display 43->136 57 csc.exe 43->57         started        60 csc.exe 43->60         started        62 csc.exe 43->62         started        64 23 other processes 43->64 signatures14 process15 file16 146 Installs a global keyboard hook 52->146 66 conhost.exe 55->66         started        90 C:\Users\user\AppData\Local\...\2vtg2lbv.dll, PE32 57->90 dropped 68 cvtres.exe 57->68         started        92 C:\Users\user\AppData\Local\...\ihknjrbx.dll, PE32 60->92 dropped 70 cvtres.exe 60->70         started        94 C:\Users\user\AppData\Local\...\2cpdgb4u.dll, PE32 62->94 dropped 72 cvtres.exe 62->72         started        96 C:\Users\user\AppData\Local\...\jgbwh1f0.dll, PE32 64->96 dropped 98 C:\Users\user\AppData\Local\...\e51jdz2t.dll, PE32 64->98 dropped 100 C:\Users\user\AppData\Local\...\atvsgudo.dll, PE32 64->100 dropped 102 2 other files (none is malicious) 64->102 dropped 74 cvtres.exe 64->74         started        76 cvtres.exe 64->76         started        78 cvtres.exe 64->78         started        80 cvtres.exe 64->80         started        signatures17 process18
Score:
91%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c7b9cb808566af4dffaee645076ff5d9250d8977181398b7a95fbffb007b7529
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/64a726a5d35fdd8e1b31e60e6c031ea8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c7b9cb808566af4dffaee645076ff5d9250d8977181398b7a95fbffb007b7529/
Threat name:
Win64.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-10-01 13:37:54 UTC
File Type:
PE+ (Exe)
Extracted files:
2
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=y644xaefm2xu375o4zcqo37v3esq3clxdajzrn5jl677wad3ouuq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection defense_evasion discovery execution persistence spyware stealer trojan
Link:
https://tria.ge/reports/261001-z6w7cszt4r/
Behaviour
outlook_office_path
Uses Task Scheduler COM API
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of SendNotifyMessage
Suspicious use of FindShellTrayWindow
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: AddClipboardFormatListener
Modifies system certificate store
Modifies registry key
Modifies data under HKEY_USERS
Enumerates system info in registry
Checks processor information in registry
Executes a command shell one-liner
Modifies trusted root certificate store through registry
Reads the TCP/IP host and domain name from the registry
System Time Discovery
Command and Scripting Interpreter: PowerShell
Browser Information Discovery
Hide Artifacts: Ignore Process Interrupts
Discovers running processes
Enumerates connected drives
Checks installed software on the system
Adds Run key to start application
Accesses Microsoft Outlook profiles
Accesses Microsoft Outlook accounts
Reads user/profile data of web browsers
Reads WinSCP keys stored on the system
Loads dropped DLL
Executes dropped EXE
Checks computer location settings
Boot or Logon Autostart Execution: Active Setup
Unpacked files
SH256 hash:
c7b9cb808566af4dffaee645076ff5d9250d8977181398b7a95fbffb007b7529
MD5 hash:
64a726a5d35fdd8e1b31e60e6c031ea8
SHA1 hash:
ab31ceaa977c0c3700eeb360c99754091be47d2a
Link:
https://www.unpac.me/results/d30641a6-b0d3-4c96-a7c4-c961d7475d31/
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/c7b9cb808566af4dffaee645076ff5d9250d8977181398b7a95fbffb007b7529

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
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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:grakate_stealer_nov_2021
Create hunting rule
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
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:reverse_http
Create hunting rule
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
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:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/
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.

Cape
Cape
https://www.capesandbox.com/analysis/90201/

Comments