MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4dc52e577447f9128cbdb08210420fe8c49844f04cdbcd0f10ac3f55f561637d. 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
OffLoader
Vendor detections: 11
| SHA256 hash: | 4dc52e577447f9128cbdb08210420fe8c49844f04cdbcd0f10ac3f55f561637d |
|---|---|
| SHA3-384 hash: | 6f04400c613abd1cc740c5123ae1ac105fe774d407ed12c98e037b3d4db7a357839add5f236f46ba25527df68d72a051 |
| SHA1 hash: | 17ccfdfa614d21ce3a76e704f69ea1820c23fa99 |
| MD5 hash: | b4ec0a3e6cc667da7457e9a9b3fcc483 |
| humanhash: | cold-queen-rugby-helium |
| File name: | file |
| Download: | download sample |
| Signature | OffLoader |
| File size: | 5'208'623 bytes |
| First seen: | 2025-11-26 18:35:53 UTC |
| Last seen: | 2025-11-26 18:36:17 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | ac4ded70f85ef621e5f8917b250855be (4 x OffLoader) |
| ssdeep | 98304:LN66lA+A4U7ca8a0orCIYmJ+XLmD9jd32ADb7YILpLnl1AEzm7DA:LNYca80PYe+SjGA37Y+pxzsDA |
| TLSH | T148360223A67D233DE16956374DFB922058777A60ACEA5C23DAE0285CCF394505FEE603 |
| TrID | 62.3% (.EXE) Inno Setup installer (107240/4/30) 24.1% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9) 6.1% (.EXE) Win64 Executable (generic) (10522/11/4) 2.6% (.EXE) Win32 Executable (generic) (4504/4/1) 1.2% (.EXE) Win16/32 Executable Delphi generic (2072/23) |
| Magika | pebin |
| Reporter |  Bitsight |
| Tags: | dropped-by-amadey exe fbf543 OffLoader |
Intelligence
File Origin
# of uploads :
3
# of downloads :
92
Origin country :
USVendor Threat Intelligence
Malware family:
vidar
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2025-11-26 18:36:25 UTC
Tags:
stealer stealc vidar
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Verdict:
Clean
Score:
50%
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Restart of the analyzed sample
Creating a process with a hidden window
Creating a file
Moving a recently created file
Searching for the window
Using the Windows Management Instrumentation requests
Enabling the 'hidden' option for recently created files
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
adaptive-context anti-debug embarcadero_delphi fingerprint inno installer installer installer-heuristic overlay packed zero
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Result
Gathering data
Verdict:
Unknown
Score:
81%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Verdict:
Malicious
Threat:
Family.STEALC
Detection(s):
Suspicious file
Result
Malware family:
vidar
Score:
10/10
Tags:
family:vidar botnet:866595c56612a13f477d4a5f868cf304 discovery installer spyware stealer
Behaviour
Checks SCSI registry key(s)
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 AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Inno Setup is an open-source installation builder for Windows applications.
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Detects Vidar Stealer
Vidar
Vidar family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
4dc52e577447f9128cbdb08210420fe8c49844f04cdbcd0f10ac3f55f561637d
MD5 hash:
b4ec0a3e6cc667da7457e9a9b3fcc483
SHA1 hash:
17ccfdfa614d21ce3a76e704f69ea1820c23fa99
SH256 hash:
26163d343b79c5947e8050646f52a334ada333a125575bd54f0b57f8374eb0e6
MD5 hash:
7594448f762843cde73ffd3a65881c61
SHA1 hash:
7e4ebbc8cad316721b251767b0ac2b1cd450e1f2
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: | Borland |
|---|---|
| Author: | malware-lu |
| 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: | 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: | SEH__vectored |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | SHA512_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA384/SHA512 constants |
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
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
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.