MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76f233bbbaa94ebc815fc7f44de05a1ee2c3a7757cc841fa3b90897a6cdfe4eb. 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


Intelligence 7 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 76f233bbbaa94ebc815fc7f44de05a1ee2c3a7757cc841fa3b90897a6cdfe4eb
SHA3-384 hash: 23cac6897dd1df867605c697095d38cbffc0dcd9f6a9192d2fbb0c4539f1a9b1c2ecda1871371df7220fbe0fb2c28bc1
SHA1 hash: ef2de56fdf55558ae51ac5def9cab5f40b9d2774
MD5 hash: 498555250698a9ebb1a77754f5b6f394
humanhash: victor-alpha-yankee-two
File name:x99
Download: download sample
File size:2'877'372 bytes
First seen:2026-01-06 13:21:55 UTC
Last seen:2026-01-06 14:18:59 UTC
File type: elf
MIME type:application/x-executable
ssdeep 49152:sM/6zyU33rlPEvfJmowGoIiqaXVxvvIiQu4fABBVYEQVPDv:t693rlPefCGoIipXnnQhfABMZV7
TLSH T1FED533EA5FC606F093E37B5E43AA976197D38F531010016AB3CE5AB4183FBB76266311
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika unknown
Reporter abuse_ch
Tags:elf

Intelligence

File Origin
# of uploads :
3
# of downloads :
48
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/695d0d9787e75cdd5af45599/reports/b253fbeb-4736-43c6-bba0-50bd15477e33/overview
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-01-06T10:42:00Z UTC
Last seen:
2026-01-07T12:48:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/76f233bbbaa94ebc815fc7f44de05a1ee2c3a7757cc841fa3b90897a6cdfe4eb/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/4cbc8796-408a-40a8-a621-1abf02934c97
Behavior Graph:
Download SVG
%3 guuid=32f632af-1900-0000-8536-0468a20c0000 pid=3234 /usr/bin/sudo guuid=3da955b3-1900-0000-8536-0468a60c0000 pid=3238 /tmp/sample.bin mprotect-exec net send-data guuid=32f632af-1900-0000-8536-0468a20c0000 pid=3234->guuid=3da955b3-1900-0000-8536-0468a60c0000 pid=3238 execve 46b63170-2c52-510a-90fe-d4dbf72b41ee 109.199.97.78:60003 guuid=3da955b3-1900-0000-8536-0468a60c0000 pid=3238->46b63170-2c52-510a-90fe-d4dbf72b41ee send: 1135B guuid=3da955b3-1900-0000-8536-0468a60c0000 pid=3261 /tmp/sample.bin guuid=3da955b3-1900-0000-8536-0468a60c0000 pid=3238->guuid=3da955b3-1900-0000-8536-0468a60c0000 pid=3261 clone guuid=3da955b3-1900-0000-8536-0468a60c0000 pid=3262 /tmp/sample.bin guuid=3da955b3-1900-0000-8536-0468a60c0000 pid=3238->guuid=3da955b3-1900-0000-8536-0468a60c0000 pid=3262 clone guuid=3da955b3-1900-0000-8536-0468a60c0000 pid=3263 /tmp/sample.bin send-data guuid=3da955b3-1900-0000-8536-0468a60c0000 pid=3238->guuid=3da955b3-1900-0000-8536-0468a60c0000 pid=3263 clone guuid=3da955b3-1900-0000-8536-0468a60c0000 pid=3264 /tmp/sample.bin net send-data guuid=3da955b3-1900-0000-8536-0468a60c0000 pid=3238->guuid=3da955b3-1900-0000-8536-0468a60c0000 pid=3264 clone guuid=3da955b3-1900-0000-8536-0468a60c0000 pid=3263->46b63170-2c52-510a-90fe-d4dbf72b41ee send: 567B guuid=3da955b3-1900-0000-8536-0468a60c0000 pid=3264->46b63170-2c52-510a-90fe-d4dbf72b41ee send: 888B
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/9481bf1d-bd6c-4759-bb7a-955b4fb77ed3
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1845455
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1845455 Sample: x99.elf Startdate: 06/01/2026 Architecture: LINUX Score: 48 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 109.199.97.78, 48610, 48612, 48614 SINGLEHOP-LLCUS Bulgaria 2->16 18 4 other IPs or domains 2->18 20 Multi AV Scanner detection for submitted file 2->20 6 dash rm 2->6         started        8 dash rm 2->8         started        10 python3.8 dpkg 2->10         started        12 x99.elf 2->12         started        signatures3 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/76f233bbbaa94ebc815fc7f44de05a1ee2c3a7757cc841fa3b90897a6cdfe4eb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/76f233bbbaa94ebc815fc7f44de05a1ee2c3a7757cc841fa3b90897a6cdfe4eb/
Threat name:
Linux.Trojan.VShell
Create hunting rule
Status:
Malicious
First seen:
2026-01-06 13:10:09 UTC
File Type:
ELF64 Little (Exe)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o3zdho52vfhlzak7y72e3yc2d3rmhj3vpteed6r3scexu3g74tvq._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery linux
Link:
https://tria.ge/reports/260106-q3ch4s1jfr/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e84a3b4b-5d3c-4fdc-b89f-8c5e9621a42e
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.29
Link:
https://yomi.yoroi.company/submissions/76f233bbbaa94ebc815fc7f44de05a1ee2c3a7757cc841fa3b90897a6cdfe4eb

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
Create hunting rule
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:upx_antiunpack_elf64
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:UPX Anti-Unpacking technique to magic renamed for ELF64

File information

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

Web download

elf 76f233bbbaa94ebc815fc7f44de05a1ee2c3a7757cc841fa3b90897a6cdfe4eb

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3751378/
  
Delivery method
Distributed via web download

Comments