MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ef854e9a3d452596ee48cfd60d595cf1e4223e5744032d77a2ca1ae72bdbbbcf. 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: 7
| SHA256 hash: | ef854e9a3d452596ee48cfd60d595cf1e4223e5744032d77a2ca1ae72bdbbbcf |
|---|---|
| SHA3-384 hash: | 03b0c1f325c1a9fc72c090b07e4465c59891aeaf1ca498bce249bf95f0364f6c433a46107e68cb64716015b569202b9b |
| SHA1 hash: | ce96228cdd0fe4f56b5343e5489fab5ec04e3ab5 |
| MD5 hash: | 8f90328fd6c49d72efe2197d87118b2e |
| humanhash: | lake-fish-potato-bakerloo |
| File name: | jdruzjv.i686 |
| Download: | download sample |
| File size: | 1'140'081 bytes |
| First seen: | 2026-05-23 00:44:04 UTC |
| Last seen: | 2026-05-23 18:18:40 UTC |
| File type: | elf |
| MIME type: | application/x-executable |
| ssdeep | 24576:CleCnrFRcFQJPTECJQiL+SanlpJ/ILRZvfhUmiism75/07K58JGXUduNjUc:CleCrFRcFpCR6LNwLfK5iDl07BGkKt |
| TLSH | T10935011AFA1181B5D5B3A4B1170FD7B6C83062305123899BFF5E1D68A63A7C09F2D39B |
| telfhash | t11f227ab22e6e09e9b7d0ad49c30e2b12ee0ad7b7155431f601f379e532e3a429d71835 |
| TrID | 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12) 49.8% (.O) ELF Executable and Linkable format (generic) (4000/1) |
| Magika | elf |
| Reporter |  abuse_ch |
| Tags: | elf |
Intelligence
File Origin
# of uploads :
3
# of downloads :
51
Origin country :
DEVendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Connection attempt
Changes access rights for a written file
Receives data from a server
Changes the time when the file was created, accessed, or modified
DNS request
Changes access rights for a file
Runs as daemon
Sets a written file as executable
Deleting a recently created file
Creating a file
Sends data to a server
Launching a process
Creating a process from a recently created file
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Deletes a system binary file
Traces processes
Deleting of the original file
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
0/10
Confidence:
100%
Tags:
expand lolbin masquerade rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-05-22T22:14:00Z UTC
Last seen:
2026-05-23T00:34:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
Verdict:
Unknown
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Signature
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Sample deletes itself
Sample tries to persist itself using cron
Sample tries to set files in /etc globally writable
Spawns processes using file descriptor names (likely to hide the executable path or fileless malware)
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
ELF
Threat name:
Linux.Trojan.Generic
Status:
Suspicious
First seen:
2026-05-23 00:47:08 UTC
File Type:
ELF32 Little (Exe)
AV detection:
10 of 38 (26.32%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
7/10
Tags:
credential_access defense_evasion discovery execution linux persistence privilege_escalation
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads process memory
Creates/modifies Cron job
Enumerates running processes
Modifies init.d
Reads MAC address of network interface
Deletes itself
Runs EXE from memory
Traces itself
Unexpected DNS network traffic destination
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
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: | ProgramLanguage_Rust |
|---|---|
| Author: | albertzsigovits |
| Description: | Application written in Rust programming language |
| Rule name: | TH_Generic_MassHunt_Linux_Malware_2026_CYFARE |
|---|---|
| Author: | CYFARE |
| Description: | Generic Linux malware mass-hunt rule - 2026 |
| Reference: | https://cyfare.net/ |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
elf ef854e9a3d452596ee48cfd60d595cf1e4223e5744032d77a2ca1ae72bdbbbcf
(this sample)
Delivery method
Distributed via web download
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