MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eb8c12e9b881357c912d6e75f85e87842ac4859e183d97e0af24bd3fe945e895. 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



Supershell


Vendor detections: 10


Intelligence 10 IOCs YARA 9 File information Comments

SHA256 hash: eb8c12e9b881357c912d6e75f85e87842ac4859e183d97e0af24bd3fe945e895
SHA3-384 hash: a98e8fad6e375a1fec2f961a99ba84b9d785b0197f66283e6c29736b5aad6b1e64f094800ec33f5b8c448b6b0bc161ff
SHA1 hash: 33a8d3bb477f8f4ee6a8345fb34800b517d81cfe
MD5 hash: 66238749ebba1548f6829ba81f507a73
humanhash: vermont-alanine-oregon-table
File name:yi
Download: download sample
Signature Supershell
File size:4'740'784 bytes
First seen:2025-08-05 21:06:12 UTC
Last seen:2025-08-05 22:24:00 UTC
File type: elf
MIME type:application/x-executable
ssdeep 98304:wjV8N6XfNELGktuY3ueKWnAIKljfsuwFdWuJRXvbceuI13nPB/BVLcI:kV8EX10Cven1WSJQeu+PNLcI
TLSH T1B22633402610FE3754E51DB4FD7B2059E813E10EB8A88336FE99D6A1F2B6DD78B25231
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 Supershell UPX
File size (compressed) :4'740'784 bytes
File size (de-compressed) :12'513'280 bytes
Format:linux/amd64
Unpacked file: 1e38a7da94df5a84f703778665ea8d4e3a35b305e5c0b122f89e2b718bd61d73

Intelligence


File Origin
# of uploads :
3
# of downloads :
28
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Receives data from a server
Gains root access
Launching a process
Connection attempt
Creating a process from a recently created file
Runs as daemon
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
expand lolbin packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
1
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=21e933c8-1b00-0000-a0d3-eb5dd2080000 pid=2258 /usr/bin/sudo guuid=252edaca-1b00-0000-a0d3-eb5dd5080000 pid=2261 /tmp/sample.bin mprotect-exec guuid=21e933c8-1b00-0000-a0d3-eb5dd2080000 pid=2258->guuid=252edaca-1b00-0000-a0d3-eb5dd5080000 pid=2261 execve guuid=252edaca-1b00-0000-a0d3-eb5dd5080000 pid=2323 /tmp/sample.bin guuid=252edaca-1b00-0000-a0d3-eb5dd5080000 pid=2261->guuid=252edaca-1b00-0000-a0d3-eb5dd5080000 pid=2323 clone guuid=252edaca-1b00-0000-a0d3-eb5dd5080000 pid=2324 /tmp/sample.bin guuid=252edaca-1b00-0000-a0d3-eb5dd5080000 pid=2261->guuid=252edaca-1b00-0000-a0d3-eb5dd5080000 pid=2324 clone guuid=252edaca-1b00-0000-a0d3-eb5dd5080000 pid=2325 /tmp/sample.bin guuid=252edaca-1b00-0000-a0d3-eb5dd5080000 pid=2261->guuid=252edaca-1b00-0000-a0d3-eb5dd5080000 pid=2325 clone guuid=252edaca-1b00-0000-a0d3-eb5dd5080000 pid=2327 /tmp/sample.bin guuid=252edaca-1b00-0000-a0d3-eb5dd5080000 pid=2261->guuid=252edaca-1b00-0000-a0d3-eb5dd5080000 pid=2327 clone guuid=252edaca-1b00-0000-a0d3-eb5dd5080000 pid=2328 /tmp/sample.bin guuid=252edaca-1b00-0000-a0d3-eb5dd5080000 pid=2261->guuid=252edaca-1b00-0000-a0d3-eb5dd5080000 pid=2328 clone guuid=7d38fef8-1b00-0000-a0d3-eb5d1f090000 pid=2335 /tmp/sample.bin mprotect-exec net send-data zombie guuid=252edaca-1b00-0000-a0d3-eb5dd5080000 pid=2261->guuid=7d38fef8-1b00-0000-a0d3-eb5d1f090000 pid=2335 execve 48038fd9-ab9f-5640-93fa-c0a1bb038ca3 45.204.197.6:3232 guuid=7d38fef8-1b00-0000-a0d3-eb5d1f090000 pid=2335->48038fd9-ab9f-5640-93fa-c0a1bb038ca3 send: 632B guuid=7d38fef8-1b00-0000-a0d3-eb5d1f090000 pid=2358 /tmp/sample.bin zombie guuid=7d38fef8-1b00-0000-a0d3-eb5d1f090000 pid=2335->guuid=7d38fef8-1b00-0000-a0d3-eb5d1f090000 pid=2358 clone guuid=7d38fef8-1b00-0000-a0d3-eb5d1f090000 pid=2359 /tmp/sample.bin send-data zombie guuid=7d38fef8-1b00-0000-a0d3-eb5d1f090000 pid=2335->guuid=7d38fef8-1b00-0000-a0d3-eb5d1f090000 pid=2359 clone guuid=7d38fef8-1b00-0000-a0d3-eb5d1f090000 pid=2360 /tmp/sample.bin send-data zombie guuid=7d38fef8-1b00-0000-a0d3-eb5d1f090000 pid=2335->guuid=7d38fef8-1b00-0000-a0d3-eb5d1f090000 pid=2360 clone guuid=7d38fef8-1b00-0000-a0d3-eb5d1f090000 pid=2361 /tmp/sample.bin guuid=7d38fef8-1b00-0000-a0d3-eb5d1f090000 pid=2335->guuid=7d38fef8-1b00-0000-a0d3-eb5d1f090000 pid=2361 clone guuid=7d38fef8-1b00-0000-a0d3-eb5d1f090000 pid=2362 /tmp/sample.bin send-data zombie guuid=7d38fef8-1b00-0000-a0d3-eb5d1f090000 pid=2335->guuid=7d38fef8-1b00-0000-a0d3-eb5d1f090000 pid=2362 clone guuid=f0365131-1d00-0000-a0d3-eb5d900b0000 pid=2960 /usr/bin/whoami guuid=7d38fef8-1b00-0000-a0d3-eb5d1f090000 pid=2335->guuid=f0365131-1d00-0000-a0d3-eb5d900b0000 pid=2960 execve guuid=7d38fef8-1b00-0000-a0d3-eb5d1f090000 pid=2359->48038fd9-ab9f-5640-93fa-c0a1bb038ca3 send: 1844B guuid=7d38fef8-1b00-0000-a0d3-eb5d1f090000 pid=2360->48038fd9-ab9f-5640-93fa-c0a1bb038ca3 send: 2034B guuid=7d38fef8-1b00-0000-a0d3-eb5d1f090000 pid=2362->48038fd9-ab9f-5640-93fa-c0a1bb038ca3 send: 322B
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
56 / 100
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses known network protocols on non-standard ports
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1750893 Sample: yi.elf Startdate: 05/08/2025 Architecture: LINUX Score: 56 20 169.254.169.254, 80 USDOSUS Reserved 2->20 22 45.204.197.6, 3232, 52722 ITACE-AS-APItaceInternationalLimitedHK Seychelles 2->22 24 5 other IPs or domains 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Uses known network protocols on non-standard ports 2->28 30 Sample is packed with UPX 2->30 8 yi.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 process4 process5 16 yi.elf exe 8->16         started        process6 18 exe whoami 16->18         started       
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Supershell
Threat name:
Linux.Backdoor.Supershell
Status:
Malicious
First seen:
2025-08-05 21:07:30 UTC
File Type:
ELF64 Little (Exe)
AV detection:
15 of 37 (40.54%)
Threat level:
  5/5
Result
Malware family:
supershell
Score:
  10/10
Tags:
family:supershell backdoor discovery linux upx
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Supershell
Supershell family
Malware Config
C2 Extraction:
ws://45.204.197.6:3232
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:GoBinTest
Rule name:golang_binary_string
Description:Golang strings present
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:ProgramLanguage_Golang
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Supershell

elf eb8c12e9b881357c912d6e75f85e87842ac4859e183d97e0af24bd3fe945e895

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments