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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c028cc7c554df585fab4ba203e82c0f3c81a55cdd92cdbf97a2b53fe09c779af. 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: 6


Intelligence 6 IOCs YARA 25 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c028cc7c554df585fab4ba203e82c0f3c81a55cdd92cdbf97a2b53fe09c779af
SHA3-384 hash: 8c73979b4b2d225cad8b3706e32b26c4b4ecc70b061f5b8f94e9b08bc0748173c2b15d9306ad2c9d9a6390c2160a559a
SHA1 hash: 299fb024aaaee12faa19570d14a818ab0d624d81
MD5 hash: b0338fdd9631e455d919578b636b2ac3
humanhash: december-hawaii-nitrogen-two
File name:zgwdza
Download: download sample
File size:5'243'032 bytes
First seen:2026-11-05 16:01:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 24576:/OxpAvKwXvMyIGqOD7N7zB4FL4kQBW0GiFuYJerJEn5JIAZvPSOb2jVRsgmugwRs:0wrCTXmZv9M2BOioaN
TLSH T1B2362A57B8924A83C4E43A77BCBD81C433A34EB99B9712666D04FE3C3ABE5990D35344
telfhash t138e0c21a4f8d2ec812c4408d9c981319caea3af69a08ff8a1ead32db0b00c6034c6013
gimphash e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 751203156cb4134a57641d7b558ab0229bc87499f0afa7dc3ced033c3f048311
File size (compressed) :2'009'536 bytes
File size (de-compressed) :5'243'032 bytes
Format:linux/arm
Packed file: 751203156cb4134a57641d7b558ab0229bc87499f0afa7dc3ced033c3f048311

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
crypto expand golang lolbin reconnaissance
Link:
https://www.filescan.io/uploads/6aeca884f3a96b882685860f/reports/ae001835-2f42-4a17-8019-9ff40055d52e/overview
Verdict:
Malicious
File Type:
elf.32.le
Link:
https://opentip.kaspersky.com/c028cc7c554df585fab4ba203e82c0f3c81a55cdd92cdbf97a2b53fe09c779af/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/bc0a3f9c-66b6-4018-9424-bc3faf94cb91
Behavior Graph:
Download SVG
%3 guuid=42e664ec-1f00-0000-b171-74d4d40b0000 pid=3028 /usr/bin/sudo guuid=e23e6bef-1f00-0000-b171-74d4d90b0000 pid=3033 /tmp/sample.bin guuid=42e664ec-1f00-0000-b171-74d4d40b0000 pid=3028->guuid=e23e6bef-1f00-0000-b171-74d4d90b0000 pid=3033 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4d6553c4-90b3-4f5f-a82a-822a8c974393
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1999142
Signature
Drops files in suspicious directories
Drops invisible ELF files
Executes the "crontab" command typically for achieving persistence
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Protects files from modification
Sample tries to persist itself using cron
Writes identical ELF files to multiple locations
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1999142 Sample: zgwdza.elf Startdate: 05/11/2026 Architecture: LINUX Score: 68 78 141.98.10.86, 31337, 38434 HOSTBALTICLT Lithuania 2->78 9 zgwdza.elf 2->9         started        process3 process4 11 zgwdza.elf zgwdza.elf 9->11         started        file5 72 /usr/bin/systemctl, ASCII 11->72 dropped 74 /etc/init.d/S99.e, POSIX 11->74 dropped 76 /etc/init.d/.e, POSIX 11->76 dropped 96 Drops files in suspicious directories 11->96 15 zgwdza.elf sh 11->15         started        17 zgwdza.elf sh 11->17         started        19 zgwdza.elf sh 11->19         started        21 52 other processes 11->21 signatures6 process7 file8 25 sh crontab 15->25         started        29 sh 15->29         started        31 sh cp 17->31         started        33 sh chmod 17->33         started        35 sh cp 19->35         started        37 sh chmod 19->37         started        52 /root/.bash_profile, ASCII 21->52 dropped 54 /etc/init.d/rcS, ASCII 21->54 dropped 56 /etc/crontab, ASCII 21->56 dropped 58 /etc/cron.d/.e, ASCII 21->58 dropped 80 Drops files in suspicious directories 21->80 82 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 21->82 84 Sample tries to persist itself using cron 21->84 39 sh cp 21->39         started        41 sh cp 21->41         started        43 51 other processes 21->43 signatures9 process10 file11 60 /var/spool/cron/crontabs/tmp.CIycSg, ASCII 25->60 dropped 86 Sample tries to persist itself using cron 25->86 88 Executes the "crontab" command typically for achieving persistence 25->88 45 sh crontab 29->45         started        48 sh grep 29->48         started        62 /tmp/.e, ELF 31->62 dropped 64 /dev/shm/.e, ELF 35->64 dropped 66 /var/tmp/.e, ELF 39->66 dropped 90 Writes identical ELF files to multiple locations 39->90 92 Drops invisible ELF files 39->92 68 /usr/lib/.e, ELF 41->68 dropped 70 /run/.e, ELF 43->70 dropped 94 Protects files from modification 43->94 50 find rm 43->50         started        signatures12 process13 signatures14 98 Executes the "crontab" command typically for achieving persistence 45->98
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c028cc7c554df585fab4ba203e82c0f3c81a55cdd92cdbf97a2b53fe09c779af/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yaumy7cvjx2yl6vuxiqd5awa6pebuvon3ewnx6l2fnj74cohpgxq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/261105-tgwxea1xez/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Writes file to shm directory
Writes file to tmp directory
Reads system network configuration
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
File and Directory Permissions Modification
Malware Family:
mirai
Create hunting rule
Malicious:
True
Tags:
detect-debug-environment arm persistence elf
Link:
https://intel.virussign.com/intelligence/file/c028cc7c554df585fab4ba203e82c0f3c81a55cdd92cdbf97a2b53fe09c779af
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/c028cc7c554df585fab4ba203e82c0f3c81a55cdd92cdbf97a2b53fe09c779af

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:ELF_Packer_Dropper_Fileless_Armhf
Create hunting rule
Author:Serhii Kocherhan
Description:Detects obfuscated Linux ELF packers/droppers featuring ChaCha20/RC4 decryption, memfd_create/execveat fileless execution capabilities, and unique binary artifacts.
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
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:MIRAI_TELNETCURL_payload
Create hunting rule
Author:AfterPacket
Description:Mirai-lineage ELF payload carrying the leaked-source decoy domain
Reference:https://github.com/Afterpacket/drosera-threat-intel
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:Suspicious_Golang_Binary
Create hunting rule
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
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 751203156cb4134a57641d7b558ab0229bc87499f0afa7dc3ced033c3f048311

elf c028cc7c554df585fab4ba203e82c0f3c81a55cdd92cdbf97a2b53fe09c779af

(this sample)

  
Dropped by
SHA256 751203156cb4134a57641d7b558ab0229bc87499f0afa7dc3ced033c3f048311
  
URLhaus
https://urlhaus.abuse.ch/url/4057640/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 3ff5f01902388170497bf83abb450975

Comments