MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41e8f944d012c5bda1e764c433f0dc2d076103f39f5b44d6a4fd17f006c32dd5. 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



Cosmu


Vendor detections: 12


Intelligence 12 IOCs YARA 4 File information Comments

SHA256 hash: 41e8f944d012c5bda1e764c433f0dc2d076103f39f5b44d6a4fd17f006c32dd5
SHA3-384 hash: eb85fd230713d93f0d83d0b9e25d63dd2792ea5595d838ad684b21c37fb411b887563a0cd6346828f5c00291a66d6686
SHA1 hash: c1e7deaa2fb1a08eb3116bd99586c74c92c766ad
MD5 hash: e29b5d1223b66bfd1a24fb418bb2ede0
humanhash: pennsylvania-steak-saturn-march
File name:java-rmi.exe
Download: download sample
Signature Cosmu
File size:290'817 bytes
First seen:2026-06-05 18:06:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5aa33c577ffd8431ff254de85dee5e7b (45 x Cosmu)
ssdeep 6144:kFlKgzelZNQSBQGH/CSpWqTaoAXjiU4bzN:DfBQGH6SfuoAX+U49
TLSH T15B5402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1FB13844BAA261
TrID 50.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
10.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
10.5% (.EXE) Win64 Executable (generic) (6522/11/2)
8.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.2% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter qemped
Tags:Cosmu exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
126
Origin country :
ID ID
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
2026-06-04_e29b5d1223b66bfd1a24fb418bb2ede0_elex_rhadamanthys_smoke-loader.exe
Verdict:
No threats detected
Analysis date:
2026-06-05 18:06:46 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the Windows directory
Searching for synchronization primitives
Launching a process
Changing a file
Creating a file
Replacing executable files
Moving a recently created file
Enabling the 'hidden' option for recently created files
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Delayed reading of the file
Launching a service
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug evasive exploit fingerprint microsoft_visual_cc overlay packed reconnaissance
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-06-05T03:19:00Z UTC
Last seen:
2026-06-05T03:45:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Win32.Bingoml.gen HEUR:Virus.Win32.Generic
Gathering data
Threat name:
Win32.Ransomware.TeslaCrypt
Status:
Malicious
First seen:
2026-06-05 06:33:32 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
32 of 36 (88.89%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:cosmu discovery worm
Behaviour
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Enumerates connected drives
Detects Cosmu payload
Family: Cosmu
Unpacked files
SH256 hash:
41e8f944d012c5bda1e764c433f0dc2d076103f39f5b44d6a4fd17f006c32dd5
MD5 hash:
e29b5d1223b66bfd1a24fb418bb2ede0
SHA1 hash:
c1e7deaa2fb1a08eb3116bd99586c74c92c766ad
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/
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.

File information


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

Comments