MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c9fa4fc7db3ae965748031b34bcb60254389f7943f5f7b0b16dd59abd0ebbdf4. 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 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c9fa4fc7db3ae965748031b34bcb60254389f7943f5f7b0b16dd59abd0ebbdf4
SHA3-384 hash: 236f994cfd3e2cf1116e9522f974b1916136fbff93a86e937a218148bf3724b5d7c0acdd76fd101b37d9631787c926af
SHA1 hash: 756f225590426b506b463ae3b9554b85b58e2325
MD5 hash: 417014358173323f2f6ae1466de870ab
humanhash: summer-princess-river-football
File name:jbd2_sda1d
Download: download sample
File size:6'160'532 bytes
First seen:2026-05-16 19:38:45 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 49152:HgBVEgaGLCN3umbUg94nlj2JX9oGjE53D+Yd1nLUg6y+0sg5EDG:HgwWCuzmu3D+Y3/EC
TLSH T1F2560857B9D24983C4E83677B8BE81C432635EBA9B8652566D04FE3C3EBE1D90E35304
telfhash t188e068305f2e334c37d0e08c160b0a1ac9d83bb80350bf8cdf19271f06524cb309942a
gimphash e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Magika elf
Reporter abuse_ch
Tags:elf upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 92e8fd0b52abed9ea327d92d170b764d5ffa9380f26f729ca7f220e2d6a2c960
File size (compressed) :1'731'956 bytes
File size (de-compressed) :6'160'532 bytes
Format:linux/arm
Packed file: 92e8fd0b52abed9ea327d92d170b764d5ffa9380f26f729ca7f220e2d6a2c960

Intelligence

File Origin
# of uploads :
1
# of downloads :
25
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.ELF.Agent-EDB.34673216.UNOFFICIAL
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
crypto expand golang lolbin reconnaissance
Link:
https://www.filescan.io/uploads/6a08c7fcefbd399b39b3429e/reports/58a8dbbd-e292-4080-8733-6ec960b3f84b/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/c9fa4fc7db3ae965748031b34bcb60254389f7943f5f7b0b16dd59abd0ebbdf4
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-05-16T17:59:00Z UTC
Last seen:
2026-05-17T03:37:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/c9fa4fc7db3ae965748031b34bcb60254389f7943f5f7b0b16dd59abd0ebbdf4/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e28fc36d-de34-400c-ba69-6152e4d9627c
Behavior Graph:
Download SVG
%3
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/9be58f14-004c-48e7-9c85-19d5f9c2bbb8
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1914499
Signature
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1914499 Sample: jbd2_sda1d.elf Startdate: 16/05/2026 Architecture: LINUX Score: 56 30 45.202.241.21, 443, 58222, 58224 CNSERVERSUS Seychelles 2->30 32 172.66.0.218, 41122, 80 CLOUDFLARENETUS United States 2->32 34 2 other IPs or domains 2->34 38 Multi AV Scanner detection for submitted file 2->38 10 jbd2_sda1d.elf 2->10         started        signatures3 process4 process5 12 jbd2_sda1d.elf jbd2_sda1d.elf 10->12         started        process6 14 jbd2_sda1d.elf bash 12->14         started        16 jbd2_sda1d.elf crontab 12->16         started        signatures7 19 bash crontab 14->19         started        23 bash 14->23         started        36 Executes the "crontab" command typically for achieving persistence 16->36 process8 file9 28 /var/spool/cron/crontabs/tmp.okP9O7, ASCII 19->28 dropped 40 Sample tries to persist itself using cron 19->40 42 Executes the "crontab" command typically for achieving persistence 19->42 25 bash crontab 23->25         started        signatures10 process11 signatures12 44 Executes the "crontab" command typically for achieving persistence 25->44
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c9fa4fc7db3ae965748031b34bcb60254389f7943f5f7b0b16dd59abd0ebbdf4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c9fa4fc7db3ae965748031b34bcb60254389f7943f5f7b0b16dd59abd0ebbdf4/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2026-05-16 19:41:55 UTC
File Type:
ELF32 Little (Exe)
AV detection:
6 of 24 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zh5e7r63hluwk5eaggzuxs3aevbyt54uh5pxwcyw3vm2xuhlxx2a._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/260516-yda8ract6r/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Creates/modifies Cron job
Enumerates running processes
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.30
Link:
https://yomi.yoroi.company/submissions/c9fa4fc7db3ae965748031b34bcb60254389f7943f5f7b0b16dd59abd0ebbdf4

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:Golang_Find_CSC846
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
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:RANSOMWARE
Create hunting rule
Author:ToroGuitar
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
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

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

Web download

elf 92e8fd0b52abed9ea327d92d170b764d5ffa9380f26f729ca7f220e2d6a2c960

elf c9fa4fc7db3ae965748031b34bcb60254389f7943f5f7b0b16dd59abd0ebbdf4

(this sample)

  
Dropped by
SHA256 92e8fd0b52abed9ea327d92d170b764d5ffa9380f26f729ca7f220e2d6a2c960
  
URLhaus
https://urlhaus.abuse.ch/url/3848083/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 3f25c4dade09e62bfd38b8d6c21ce2df

Comments