MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 27f9183b9694b9ea1e71283dd084570f5e57bac1a3b64988f7667a76617a8a7a. 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: 11
| SHA256 hash: | 27f9183b9694b9ea1e71283dd084570f5e57bac1a3b64988f7667a76617a8a7a |
|---|---|
| SHA3-384 hash: | 497df307712a40fe1349150d5c093b6db6bd753116c117cdbf182b8636b7b0881c6e30c6c48beb45bdf39010f0d3d25b |
| SHA1 hash: | 0810b4be454682ac5511783bb26cdda11dd96a1c |
| MD5 hash: | 9319c2f41e9ec22cfd53afdd6693cf81 |
| humanhash: | paris-lamp-oranges-lamp |
| File name: | file |
| Download: | download sample |
| Signature | RustyStealer |
| File size: | 3'721'728 bytes |
| First seen: | 2026-02-12 20:24:08 UTC |
| Last seen: | 2026-02-12 21:28:11 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b25557f316c563f336766cfbc5e9ece4 (9 x RustyStealer) |
| ssdeep | 98304:Q2c00IOXcXiubGJLHZd7LM8Hv2w6o2W8KWAiJBAeA:70LXcXiTDn1v8zW8KrWG |
| TLSH | T1020622E6B89155E8CA058238EF5BCFE2D96739CC0756B9B316BC72543E848D81E4FE04 |
| 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 :
14
# of downloads :
203
Origin country :
USVendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
27f9183b9694b9ea1e71283dd084570f5e57bac1a3b64988f7667a76617a8a7a.exe
Verdict:
Malicious activity
Analysis date:
2026-02-12 20:25:27 UTC
Tags:
susp-powershell
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
97.4%
Tags:
obfuscate xtreme shell
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-debug krypt mingw packed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Result
Gathering data
Verdict:
Malicious
File Type:
exe x64
Detections:
HEUR:Trojan.Win64.Generic
Malware family:
Y Soft Corporation, a.s.
Verdict:
Unknown
Score:
98%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Verdict:
Malicious
Threat:
Trojan.Win32
Threat name:
Win64.Spyware.Rustystealer
Status:
Malicious
First seen:
2026-02-12 20:24:20 UTC
File Type:
PE+ (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
2/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
8/10
Tags:
defense_evasion execution persistence
Behaviour
NTFS ADS
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Adds Run key to start application
Obfuscated Files or Information: Command Obfuscation
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
27f9183b9694b9ea1e71283dd084570f5e57bac1a3b64988f7667a76617a8a7a
MD5 hash:
9319c2f41e9ec22cfd53afdd6693cf81
SHA1 hash:
0810b4be454682ac5511783bb26cdda11dd96a1c
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.14
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: | detect_powershell |
|---|---|
| Author: | daniyyell |
| Description: | Detects suspicious PowerShell activity related to malware execution |
| Rule name: | Detect_Zoom_Invite_malware_RAT_C2 |
|---|---|
| Author: | daniyyell |
| Description: | Detects Zoom Invite Call Leading to Malware Hosted in Telegram C2 |
| Rule name: | Disable_Defender |
|---|---|
| Author: | iam-py-test |
| Description: | Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen |
| Rule name: | FreddyBearDropper |
|---|---|
| Author: | Dwarozh Hoshiar |
| Description: | Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip. |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | ProgramLanguage_Rust |
|---|---|
| Author: | albertzsigovits |
| Description: | Application written in Rust programming language |
| 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: | SUSP_Scheduled_Tasks_Create_From_Susp_Dir |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects a PowerShell Script that creates a Scheduled Task that runs from an suspicious directory |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
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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