MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c88f36ae0c516191d722cc66275db2292c1535f786462af3d3a9eac3a1eacf86. 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: 14
| SHA256 hash: | c88f36ae0c516191d722cc66275db2292c1535f786462af3d3a9eac3a1eacf86 |
|---|---|
| SHA3-384 hash: | a7d09bfbf2dde5181b2b42863e3059f0ea9cf6bcc7b10742599c69d823a4259306e80a60125e650a023cf7b0593e3cf6 |
| SHA1 hash: | 31b2531dd082b4e3c6c6a44f129964fe892a3462 |
| MD5 hash: | 926626d0d66c89e6427883cd93084589 |
| humanhash: | king-sad-twelve-fruit |
| File name: | file |
| Download: | download sample |
| Signature | RustyStealer |
| File size: | 571'043 bytes |
| First seen: | 2025-12-06 19:46:55 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 4d0baad4973da8341e14b651526cb4db (2 x RustyStealer) |
| ssdeep | 6144:l8QWm3cW4D1ehvGivs8KU54R+14pxyvOIDOPfLMCQacjeyxcWcpmPkMo3U:ljFQi0K4pxIofLBojPSWcykMo3U |
| Threatray | 55 similar samples on MalwareBazaar |
| TLSH | T179C49F97F1A26DB8E227C0784217F17B6A3975852122BF771BA8C8306F62FC16F09745 |
| TrID | 44.4% (.EXE) Win64 Executable (generic) (10522/11/4) 21.3% (.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 |
Intelligence
File Origin
# of uploads :
1
# of downloads :
99
Origin country :
USVendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
_c88f36ae0c516191d722cc66275db2292c1535f786462af3d3a9eac3a1eacf86.exe
Verdict:
Malicious activity
Analysis date:
2025-12-06 20:06:39 UTC
Tags:
stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
99.9%
Tags:
ransomware virus crypt
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-debug expand lolbin overlay overlay packed
Verdict:
Malicious
Labled as:
Win64/GenKryptik.HNRD trojan
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-06T17:36:00Z UTC
Last seen:
2025-12-07T00:04:00Z UTC
Hits:
~100
Detections:
PDM:Trojan.Win32.Generic
Verdict:
Unknown
Score:
95%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Verdict:
Malicious
Threat:
Family.MASKGRAM_STEALER
Threat name:
Win64.Spyware.Rustystealer
Status:
Suspicious
First seen:
2025-12-06 19:47:13 UTC
File Type:
PE+ (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
maskgramstealer
Similar samples:
+ 45 additional samples on MalwareBazaar
Result
Malware family:
maskgram_stealer
Score:
10/10
Tags:
family:maskgram_stealer spyware stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Accesses cryptocurrency files/wallets, possible credential harvesting
Reads user/profile data of web browsers
Detects MaskGramStealer payload
MaskGramStealer
Maskgram_stealer family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
c88f36ae0c516191d722cc66275db2292c1535f786462af3d3a9eac3a1eacf86
MD5 hash:
926626d0d66c89e6427883cd93084589
SHA1 hash:
31b2531dd082b4e3c6c6a44f129964fe892a3462
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.96
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_Debugger |
|---|
| Rule name: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerCheck__RemoteAPI |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | dgaagas |
|---|---|
| Author: | Harshit |
| Description: | Uses certutil.exe to download a file named test.txt |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | ProgramLanguage_Rust |
|---|---|
| Author: | albertzsigovits |
| Description: | Application written in Rust programming language |
| Rule name: | RANSOMWARE |
|---|---|
| Author: | ToroGuitar |
| 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: | Windows_Hacktool_DinvokeRust_512d3b59 |
|---|---|
| Author: | Elastic Security |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Dropped by
Amadey
Delivery method
Distributed via web download
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