MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e4e09416c63536c975a88d1a43281948b69d52e7cb56febf15df23b9dd2fa7a1. 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: 12


Intelligence 12 IOCs YARA 9 File information Comments

SHA256 hash: e4e09416c63536c975a88d1a43281948b69d52e7cb56febf15df23b9dd2fa7a1
SHA3-384 hash: 31b20d4c5db8d4572ed68ca1763333ac388752570b0cde6bcfcd54179032d640b888bd2110415b9279aca79516a89159
SHA1 hash: a3023ce7d0dc84c4d34c34f57f0d1e2fba53b9a8
MD5 hash: 0503b26386d37b0f0d323b767d478dc2
humanhash: mike-kentucky-fanta-one
File name:windows_implant.exe
Download: download sample
Signature RustyStealer
File size:2'611'645 bytes
First seen:2025-12-10 23:06:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5449932bd64c0be4f13867fb3067b103 (1 x RustyStealer)
ssdeep 49152:lqBvxzFrmDli2Plk2cSNF1AmiAi8FRLoIxJSIM8Pt:lqBvlFykHIAAnRLtM8Pt
TLSH T16CC58D12B5A819BDDE9BE778869E5335BB783C850233EEBB0635D6301D12A979F1C304
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 smica83
Tags:exe RustyStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
147
Origin country :
HU HU
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
2025-12-10_0503b26386d37b0f0d323b767d478dc2_akira.exe
Verdict:
Suspicious activity
Analysis date:
2025-12-10 23:06:50 UTC
Tags:
auto-reg

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
injection shell sage
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug cmd lolbin overlay overlay packed
Verdict:
Suspicious
Labled as:
Win64/ReverseShell.ABC trojan
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-10T10:18:00Z UTC
Last seen:
2025-12-11T01:41:00Z UTC
Hits:
~10
Detections:
Trojan-Dropper.Win32.Sysn.dcrc Trojan.Win32.Agent.sb PDM:Trojan.Win32.Generic VHO:Trojan-Dropper.Win32.Sysn.gen
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Signature
Found direct / indirect Syscall (likely to bypass EDR)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1830633 Sample: windows_implant.exe Startdate: 11/12/2025 Architecture: WINDOWS Score: 60 42 Multi AV Scanner detection for submitted file 2->42 7 windows_implant.exe 4 2->7         started        11 HealthMon.exe 2->11         started        13 HealthMon.exe 2->13         started        process3 file4 34 C:\Users\user\AppData\...\HealthMon.exe, PE32+ 7->34 dropped 36 C:\Users\...\HealthMon.exe:Zone.Identifier, ASCII 7->36 dropped 44 Found direct / indirect Syscall (likely to bypass EDR) 7->44 15 HealthMon.exe 1 7->15         started        19 cmd.exe 1 7->19         started        22 cmd.exe 1 7->22         started        signatures5 process6 dnsIp7 38 193.161.193.99, 49713, 49719, 49720 BITREE-ASRU Russian Federation 15->38 40 Multi AV Scanner detection for dropped file 15->40 32 C:\Users\user\Desktop\windows_implant.exe, ASCII 19->32 dropped 24 conhost.exe 19->24         started        26 timeout.exe 1 19->26         started        28 conhost.exe 22->28         started        30 attrib.exe 1 22->30         started        file8 signatures9 process10
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Verdict:
Malicious
Threat:
Trojan-Dropper.Win32.Sysn
Threat name:
Win64.Malware.Heuristic
Status:
Malicious
First seen:
2025-12-10 19:40:58 UTC
File Type:
PE+ (Exe)
AV detection:
14 of 38 (36.84%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion persistence
Behaviour
Delays execution with timeout.exe
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Hide Artifacts: Hidden Files and Directories
Adds Run key to start application
Executes dropped EXE
Unpacked files
SH256 hash:
e4e09416c63536c975a88d1a43281948b69d52e7cb56febf15df23b9dd2fa7a1
MD5 hash:
0503b26386d37b0f0d323b767d478dc2
SHA1 hash:
a3023ce7d0dc84c4d34c34f57f0d1e2fba53b9a8
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:command_and_control
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
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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: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

File information


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

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