MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ca6d77d9a3bf6d09b1c8c8ccd31e7452255ac322510424618b312b1a425ab0b. 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


Rekoobe


Vendor detections: 12


Intelligence 12 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4ca6d77d9a3bf6d09b1c8c8ccd31e7452255ac322510424618b312b1a425ab0b
SHA3-384 hash: e860853e74d85560b03dee155c360be178b9a92b58e5acd32fe57ec19738a15ad9bc51533d411580d811b0087ee16e74
SHA1 hash: 714d4cdd2eacba850a23d977dc2bad0319b61284
MD5 hash: ec8de50771c581c83811d1d7224b3cf6
humanhash: sink-tango-table-cold
File name:4ca6d77d9a3bf6d09b1c8c8ccd31e7452255ac322510424618b312b1a425ab0b
Download: download sample
Signature Rekoobe
Create hunting rule
File size:86'208 bytes
First seen:2024-10-18 10:02:39 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:QahOrhUNuV9NnkqnhhWMC8tOadBvwZoXRUqHekyN/1H5xuM8b/3d:Q5JxkqnhhWMhtOqcoXRUq+xN/1Zx2r3
TLSH T1C8838E43B6668DBFC845C6304F4FA02AA933BD14EF66321B35405B643D2FB1A6F29761
telfhash t1a4017687d93e47988ad65d24dcac53e38183d62a90669b04ff29ccc048ae44af218c8f
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 JAMESWT_WT
Tags:8-218-92-123 elf Rekoobe

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
IT IT
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Backdoor-6678692-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
backdoor gcc rat rekoobe
Link:
https://www.filescan.io/uploads/671232597f0507a8d241d631/reports/b5f438e9-3875-4804-bd82-b42efd519a80/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
18
Number of processes launched:
2
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/4ca6d77d9a3bf6d09b1c8c8ccd31e7452255ac322510424618b312b1a425ab0b
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
PasteMiner
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/22cc4ac3-6cfb-430b-b260-1360d90615fc
Result
Threat name:
Rekoobe
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1536935
Signature
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Rekoobe
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4ca6d77d9a3bf6d09b1c8c8ccd31e7452255ac322510424618b312b1a425ab0b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4ca6d77d9a3bf6d09b1c8c8ccd31e7452255ac322510424618b312b1a425ab0b/
Threat name:
Linux.Backdoor.Rekoobe
Create hunting rule
Status:
Malicious
First seen:
2024-09-23 15:32:09 UTC
File Type:
ELF64 Little (Exe)
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jstno7m2hp3nbgy4rsgm2mphiurfllbseuieerqywmjldjbfvmfq._file
Result
Malware family:
rekoobe
Create hunting rule
Score:
  10/10
Tags:
family:rekoobe discovery linux
Link:
https://tria.ge/reports/241018-l3cfwstcpl/
Behaviour
Reads runtime system information
Malware Config
C2 Extraction:
8.218.92.123:9911
Verdict:
Malicious
Tags:
backdoor trojan rekoobe
YARA:
EXT_HKTL_MAL_TinyShell_Backdoor Linux_Trojan_Rekoobe_de9e7bdf
Link:
https://app.threat.zone/submission/1cad2501-07b4-4e1f-a917-6e68e518761e
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4ca6d77d9a3bf6d09b1c8c8ccd31e7452255ac322510424618b312b1a425ab0b

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:Linux_Backdoor_NoodRAT
Create hunting rule
Author:ReversingLabs
Description:Yara rule that detects NoodRAT backdoor.
Rule name:Linux_Trojan_Rekoobe_de9e7bdf
Create hunting rule
Author:Elastic Security
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants

File information

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

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