MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cefc34c410543709181408f93b65fef61e4fb5e22b3c9d85a79910e67b193d74. 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


Mirai


Vendor detections: 10


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cefc34c410543709181408f93b65fef61e4fb5e22b3c9d85a79910e67b193d74
SHA3-384 hash: fcff3d3802f08a61af52e4a950fca85c3ed099b05002ead35b446184d54d5330867b3ec92c586bf158ae4f764b78da49
SHA1 hash: f86b75b5e9b2f56d0db6c3e52c0bfe66be00e538
MD5 hash: 8dfe2d7679320192b563945248e9da27
humanhash: red-papa-arkansas-twenty
File name:narm7
Download: download sample
Signature Mirai
Create hunting rule
File size:177'811 bytes
First seen:2025-12-20 13:04:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:npoGm6qQVztpa1g5rvJ1/IR0JLEoQ8pnPkXu7SpbWM/93v0OU:poGvhpaW5rvJ140JLNpPke7SpqM/9cJ
TLSH T17B042B46EB414A13C4D227B6BA9B424533239B64D3EB730699287FF43F87B9E0E67501
telfhash t1f2312d34273694086a71cd64d8fc97b2851b87170684ae33cf3bc8cc281a48ae62ac0f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 889aa39252634a01da54f4b6985b6e32986ce7fa1ac458f76377caf47b4ef9cf
File size (compressed) :66'944 bytes
File size (de-compressed) :177'811 bytes
Format:linux/arm
Packed file: 889aa39252634a01da54f4b6985b6e32986ce7fa1ac458f76377caf47b4ef9cf

Intelligence

File Origin
# of uploads :
1
# of downloads :
168
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/b8c06545-2f25-41e9-9ad4-02c770b43a3c/
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135925-0
Create hunting rule

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Unix.Trojan.Mirai-10056451-0
Create hunting rule

Unix.Trojan.Mirai-10056463-0
Create hunting rule

Unix.Trojan.Mirai-10057788-0
Create hunting rule

Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-20T10:56:00Z UTC
Last seen:
2025-12-20T11:42:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/cefc34c410543709181408f93b65fef61e4fb5e22b3c9d85a79910e67b193d74/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/2f5f08e0-2cdb-4e74-a1ec-0fe7630f107b
Behavior Graph:
Download SVG
%3 guuid=59734a2b-1a00-0000-7db2-7ed6bd0a0000 pid=2749 /usr/bin/sudo guuid=cb36892d-1a00-0000-7db2-7ed6c20a0000 pid=2754 /tmp/sample.bin guuid=59734a2b-1a00-0000-7db2-7ed6bd0a0000 pid=2749->guuid=cb36892d-1a00-0000-7db2-7ed6c20a0000 pid=2754 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e5909eb6-542e-4d6e-b30d-7e5dacf8aa7b
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1836720
Signature
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1836720 Sample: narm7.elf Startdate: 20/12/2025 Architecture: LINUX Score: 56 25 169.254.169.254, 80 USDOSUS Reserved 2->25 27 latinashosting.com 94.156.152.67, 12121, 37268, 37270 NET1-ASBG Bulgaria 2->27 29 daisy.ubuntu.com 2->29 31 Multi AV Scanner detection for submitted file 2->31 10 narm7.elf 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 process4 process5 14 narm7.elf 10->14         started        process6 16 narm7.elf 14->16         started        process7 18 narm7.elf 16->18         started        process8 20 narm7.elf 18->20         started        23 narm7.elf 18->23         started        signatures9 33 Manipulation of devices in /dev 20->33 35 Deletes system log files 20->35
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cefc34c410543709181408f93b65fef61e4fb5e22b3c9d85a79910e67b193d74
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cefc34c410543709181408f93b65fef61e4fb5e22b3c9d85a79910e67b193d74/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-20 13:04:37 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z36djraqkq3qsgaubd4twzp66ype7npcfm6j3bnhteiom6yzhv2a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/251220-qa8qvabv5d/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Deletes Audit logs
Deletes journal logs
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135925-0
YARA:
n/a
Link:
https://app.threat.zone/submission/40641ab7-9baf-408d-a25e-c815177e54dd
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/cefc34c410543709181408f93b65fef61e4fb5e22b3c9d85a79910e67b193d74

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:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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

Mirai

elf 889aa39252634a01da54f4b6985b6e32986ce7fa1ac458f76377caf47b4ef9cf

Mirai

elf cefc34c410543709181408f93b65fef61e4fb5e22b3c9d85a79910e67b193d74

(this sample)

  
Dropped by
SHA256 889aa39252634a01da54f4b6985b6e32986ce7fa1ac458f76377caf47b4ef9cf
  
URLhaus
https://urlhaus.abuse.ch/url/3737957/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 bc75ddc3c18ac87ab3301a6fcc4bf77d

Comments