MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 70fc2a30eeaa5c685bbeb11bd64710a7d22652dc1d0035b0c9cbae347b290f7d. 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: 5


Intelligence 5 IOCs YARA 17 File information Comments

SHA256 hash: 70fc2a30eeaa5c685bbeb11bd64710a7d22652dc1d0035b0c9cbae347b290f7d
SHA3-384 hash: a4bd83b0ce9c1d1471cf5b32f49feb4600a646d41cffd81b83877162f0a108a90c93dda37c866885cf10ef2ca80641f2
SHA1 hash: b4dafd63f0a5558dc209822ad28a159ef4d13496
MD5 hash: e30f10b6c3447fb9e16a26a054f59c5b
humanhash: undress-jersey-twelve-red
File name:linux_arm6
Download: download sample
File size:4'063'232 bytes
First seen:2026-05-20 13:55:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 24576:BScqtvYQ7V3lrRkXo9aSDCWAHgb02/ssbUn0coNW0Ta4HNanQjoqo3zXBGp11Gwh:WR4JXyRh+y8fKeaRWs4AfL/jHD1
TLSH T1F416095BB8914682C0E4367ABC7E81C433A70FBD9B9A12676D05FE3C3ABE1990D35714
gimphash e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Magika elf
Reporter abuse_ch
Tags:elf

Intelligence


File Origin
# of uploads :
1
# of downloads :
46
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Clean
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
crypto expand golang lolbin obfuscated
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Signature
Drops files in suspicious directories
Drops invisible ELF files
Executes the "crontab" command typically for achieving persistence
Found Tor onion address
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Writes ELF files to hidden directories
Writes identical ELF files to multiple locations
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1916428 Sample: linux_arm6.elf Startdate: 20/05/2026 Architecture: LINUX Score: 80 84 ak.504.su 82.27.11.165, 28588, 40164 WAP-AC-WAPACLLCUS Hong Kong SAR China 2->84 86 Found Tor onion address 2->86 10 linux_arm6.elf 2->10         started        12 systemd System.img-6.8.0-8 2->12         started        14 systemd System.img-6.8.0-8 2->14         started        16 22 other processes 2->16 signatures3 process4 process5 18 linux_arm6.elf linux_arm6.elf 10->18         started        22 System.img-6.8.0-8 System.img-6.8.0-8 12->22         started        24 System.img-6.8.0-8 System.img-6.8.0-8 14->24         started        26 System.img-6.8.0-8 System.img-6.8.0-8 16->26         started        28 System.img-6.8.0-8 System.img-6.8.0-8 16->28         started        30 System.img-6.8.0-8 System.img-6.8.0-8 16->30         started        32 6 other processes 16->32 file6 72 /usr/sbin/.write_test_o88t, ASCII 18->72 dropped 74 /usr/sbin/.write_test_msmi, ASCII 18->74 dropped 76 /usr/sbin/.write_test_d2ix, ASCII 18->76 dropped 78 43 other files (39 malicious) 18->78 dropped 88 Writes ELF files to hidden directories 18->88 90 Writes identical ELF files to multiple locations 18->90 92 Sample tries to persist itself using /etc/profile 18->92 94 5 other signatures 18->94 34 linux_arm6.elf crontab 18->34         started        38 linux_arm6.elf crontab 18->38         started        40 linux_arm6.elf update-rc.d 18->40         started        42 26 other processes 18->42 signatures7 process8 file9 80 /var/spool/cron/crontabs/tmp.2oxCzj, ASCII 34->80 dropped 96 Sample tries to persist itself using cron 34->96 98 Executes the "crontab" command typically for achieving persistence 34->98 82 /var/spool/cron/crontabs/tmp.5WrPsN, ASCII 38->82 dropped 100 Sample tries to persist itself using System V runlevels 40->100 44 update-rc.d systemctl 40->44         started        46 sh System 42->46         started        48 sh killai 42->48         started        50 sh .at.atloy 42->50         started        52 12 other processes 42->52 signatures10 process11 process12 54 System sleep 46->54         started        56 System System.img-6.8.0-8 46->56         started        64 3 other processes 46->64 58 killai sleep 48->58         started        66 4 other processes 48->66 60 .at.atloy sleep 50->60         started        68 2 other processes 50->68 62 .font-unix-helpver sleep 52->62         started        70 2 other processes 52->70
Threat name:
Linux.Trojan.Generic
Status:
Suspicious
First seen:
2026-05-20 13:56:35 UTC
File Type:
ELF32 Little (Exe)
AV detection:
3 of 36 (8.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Changes its process name
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates running processes
Modifies init.d
Modifies rc script
Reads list of loaded kernel modules
Write file to user bin folder
Executes dropped EXE
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:DetectGoMethodSignatures
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:enterpriseunix2
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
Rule name:GoBinTest
Rule name:golang_binary_string
Description:Golang strings present
Rule name:Golang_Find_CSC846
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Author:Ashar Siddiqui
Description:Find Go Signatuers
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:RANSOMWARE
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
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 70fc2a30eeaa5c685bbeb11bd64710a7d22652dc1d0035b0c9cbae347b290f7d

(this sample)

  
Delivery method
Distributed via web download

Comments