MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 18af3ed73d7e9dcfe995ab443cb8a46f05722cfafe2501230c15eceb40ce4248. 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
OverlordRAT
Vendor detections: 16
| SHA256 hash: | 18af3ed73d7e9dcfe995ab443cb8a46f05722cfafe2501230c15eceb40ce4248 |
|---|---|
| SHA3-384 hash: | fc4b60e5e7494b77e75c61f7d31ab7e35acdb9d12b26c21659082df2a412646f79f54d391bc35b5f94de5698c0cec1ea |
| SHA1 hash: | 25870598030fb7b1fecfd2b0734d540ffe85bc44 |
| MD5 hash: | 27ca146761c8b5fe79131b17a2ae15ca |
| humanhash: | freddie-tennis-hamper-nevada |
| File name: | 27ca146761c8b5fe79131b17a2ae15ca.exe |
| Download: | download sample |
| Signature | OverlordRAT |
| File size: | 1'195'280 bytes |
| First seen: | 2026-09-20 05:53:13 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 4ef0079b4f4c173a7e69500c1449a05e (2 x OverlordRAT) |
| ssdeep | 24576:AGKuKkPztKt9cHPrLRAqKBAy1N1UGAmnnnFnnnZnnnGnnnsddod5GPSCxdodaO7:AGKuKkPzgt9cHTLRAqK81kAiSCw |
| TLSH | T170453C0BE76245EDC56FC13483A78772A970785943347E2E1EA5DB222F50DA0AF3E724 |
| TrID | 45.6% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 18.0% (.EXE) Win64 Executable (generic) (6522/11/2) 13.9% (.EXE) Win16 NE executable (generic) (5038/12/1) 5.6% (.ICL) Windows Icons Library (generic) (2059/9) 5.6% (.EXE) OS/2 Executable (generic) (2029/13) |
| Magika | pebin |
| Reporter |  abuse_ch |
| Tags: | exe OverlordRAT RAT signed |
Code Signing Certificate
| Organisation: | WANG BING |
|---|---|
| Issuer: | Certum Code Signing 2021 CA |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2026-06-16T05:47:31Z |
| Valid to: | 2027-06-16T05:47:30Z |
| Serial number: | 4c4593ab032c0a92cdb5439db561eb99 |
| Intelligence: | 2 malware samples on MalwareBazaar are signed with this code signing certificate |
| Cert Graveyard Blocklist: | This certificate is on the Cert Graveyard blocklist |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | cd9b81dc45b39409b990723204f409e6bc5b05082b500c6f336b3b774eeaf496 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
163
Origin country :
SEVendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-09-20 05:57:25 UTC
Tags:
evasion overlord rat ip-check auto-reg
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:
vmdetect
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Сreating synchronization primitives
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
adaptive-context adaptive-context anti-debug anti-vm crypto dropper evasive fingerprint hacktool mingw overlay packed packed reconnaissance signed stealer
Verdict:
Malicious
Labled as:
Yogi.Generic
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-09-16T06:26:00Z UTC
Last seen:
2026-09-17T11:53:00Z UTC
Hits:
~100
Malware family:
Donut Injector
Verdict:
Malicious
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
68 / 100
Signature
Contain functionality to detect virtual machines
Found direct / indirect Syscall (likely to bypass EDR)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.Fsysna
Status:
Malicious
First seen:
2026-09-17 03:10:15 UTC
File Type:
PE+ (Exe)
Extracted files:
15
AV detection:
17 of 24 (70.83%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
DonutLoader
OverlordRAT
Result
Malware family:
overlord
Score:
10/10
Tags:
family:donutloader family:overlord discovery loader persistence rat
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Looks up external IP address via web service
Detects DonutLoader
Detects Overlord RAT
Family: DonutLoader
Family: Overlord
Unpacked files
SH256 hash:
18af3ed73d7e9dcfe995ab443cb8a46f05722cfafe2501230c15eceb40ce4248
MD5 hash:
27ca146761c8b5fe79131b17a2ae15ca
SHA1 hash:
25870598030fb7b1fecfd2b0734d540ffe85bc44
SH256 hash:
1e71ab2fbf38b7b4775b423998ffca969931e5d5db857d980746a22723f7df90
MD5 hash:
79643b3d50697358ba2d8a3ac03c9aec
SHA1 hash:
f6250bdb056a6bf76468542a2c3947c0521f0a9b
Malware family:
OverlordRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | certum_issuer |
|---|---|
| Author: | Certum |
| Description: | Looks for files signed with certificate issued by Certum |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | detect_certum_issuer |
|---|---|
| Author: | Certum |
| Description: | Looks for files signed with certificate issued by Certum |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | INDICATOR_SUSPICIOUS_References_SecTools |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many IR and analysis tools |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | SEH__vectored |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | test_rule_vldslv |
|---|
| Rule name: | VECT_Ransomware |
|---|---|
| Author: | Mustafa Bakhit |
| Description: | Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments. |
| Rule name: | vmdetect |
|---|---|
| Author: | nex |
| Description: | Possibly employs anti-virtualization techniques |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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