MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b21e61cbed172002815078a2f7d8e2ff4db694f2fd453cbc0ac2c2b8d54957d6. 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
Threat unknown
Vendor detections: 10
| SHA256 hash: | b21e61cbed172002815078a2f7d8e2ff4db694f2fd453cbc0ac2c2b8d54957d6 |
|---|---|
| SHA3-384 hash: | 84ea436a3f0585706190b202e46d95ab081eb9c5dc4dd95a6b10ec9b056d0fed674c3bc0a699e1081385c9fbf1ab5c9b |
| SHA1 hash: | cdf8d8c8c5a8f687c52964ace87ddcd5086e93ef |
| MD5 hash: | f47e64f96813836829b155d856571517 |
| humanhash: | thirteen-echo-orange-pip |
| File name: | svchost.exe |
| Download: | download sample |
| File size: | 300'030 bytes |
| First seen: | 2025-11-23 09:28:41 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 2c0c8ec0bdd07ad3a70b86c3d1ab5031 (4 x Swisyn) |
| ssdeep | 3072:AygCullUQN7gsBh1L1QygCullUQN7gsBh1L1g:ARleK7712RleK7716 |
| Threatray | 146 similar samples on MalwareBazaar |
| TLSH | T138545C11FE60551BD327C4F18CBA9229BC21EE7607602E871699FA8669714077FF234F |
| TrID | 55.4% (.EXE) Win32 Executable Microsoft Visual Basic 6 (82067/2/8) 21.0% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 7.1% (.EXE) Win64 Executable (generic) (10522/11/4) 4.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.4% (.EXE) Win16 NE executable (generic) (5038/12/1) |
| Magika | pebin |
| Reporter |  Hexastrike |
| Tags: | exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
22
Origin country :
IEVendor Threat Intelligence
Detection:
n/a
Gathering data
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Creating a window
Creating a file in the Windows subdirectories
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %AppData% directory
DNS request
Connection attempt
Sending an HTTP GET request
Setting a single autorun event
Enabling autorun
Enabling a "Do not show hidden files" option
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
explorer lolbin overlay overlay swisyn visual_basic
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Result
Gathering data
Score:
96%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Visual Basic Visual Basic 6 Win 32 Exe x86
Threat name:
Win32.Trojan.Msposer
Status:
Malicious
First seen:
2025-11-22 08:40:54 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
32 of 36 (88.89%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
mofksys
Similar samples:
+ 136 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
10/10
Tags:
defense_evasion discovery persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Adds Run key to start application
Executes dropped EXE
Boot or Logon Autostart Execution: Active Setup
Modifies WinLogon for persistence
Modifies visibility of hidden/system files in Explorer
Verdict:
Malicious
Tags:
Win.Malware.Swisyn-9942393-0
YARA:
n/a
Unpacked files
SH256 hash:
b21e61cbed172002815078a2f7d8e2ff4db694f2fd453cbc0ac2c2b8d54957d6
MD5 hash:
f47e64f96813836829b155d856571517
SHA1 hash:
cdf8d8c8c5a8f687c52964ace87ddcd5086e93ef
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: | SEH__vba |
|---|---|
| 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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