MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 771a75a5513dee546eec345da1f7428fb5ca6058eb944e48f3bf771987d39c1e. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 771a75a5513dee546eec345da1f7428fb5ca6058eb944e48f3bf771987d39c1e
SHA3-384 hash: fd50d19cbdea737d61cf6b886e865b1517d6ede10ba57c2cd37d948d267de319e3dce0b39f9e1c1c24d2c0b6d0cec651
SHA1 hash: 719c7dc84d5721b4802218926120bb1ce98d7883
MD5 hash: 043706dbf24ad57eead5918fd4f9c1d1
humanhash: johnny-kentucky-emma-white
File name:amd64
Download: download sample
File size:482'032 bytes
First seen:2025-06-26 23:05:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:iD6LPBCvMk0O9na1M80cLt9i5aIaTtpc4W:2+QGO9naz0Szi5anTtR
TLSH T1BAA41212E290D8FEC4DAC070469FD27BFD767C544234BC6B6198F7322B3AE601B16A55
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
103
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9080.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32058.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31951.LX.BOT.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=685dd35db06783b9ebd87a99
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creates directories
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
base64 exploit gcc lolbin remote
Link:
https://www.filescan.io/uploads/685dd2778cd0d23e5be898f4/reports/0eb78eb8-4f79-4669-add4-9e4608d8bb7e/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/511d48dc-407e-4617-9794-cd2bf8997535
Behavior Graph:
Download SVG
%3 guuid=4b7554c7-2100-0000-df83-b33b860b0000 pid=2950 /usr/bin/sudo guuid=4826adc9-2100-0000-df83-b33b8c0b0000 pid=2956 /tmp/sample.bin guuid=4b7554c7-2100-0000-df83-b33b860b0000 pid=2950->guuid=4826adc9-2100-0000-df83-b33b8c0b0000 pid=2956 execve guuid=0254cac9-2100-0000-df83-b33b8d0b0000 pid=2957 /usr/bin/dash guuid=4826adc9-2100-0000-df83-b33b8c0b0000 pid=2956->guuid=0254cac9-2100-0000-df83-b33b8d0b0000 pid=2957 execve guuid=cb0901ca-2100-0000-df83-b33b8f0b0000 pid=2959 /usr/bin/dash guuid=4826adc9-2100-0000-df83-b33b8c0b0000 pid=2956->guuid=cb0901ca-2100-0000-df83-b33b8f0b0000 pid=2959 execve guuid=cfe39bca-2100-0000-df83-b33b940b0000 pid=2964 /tmp/sample.bin mprotect-exec zombie guuid=4826adc9-2100-0000-df83-b33b8c0b0000 pid=2956->guuid=cfe39bca-2100-0000-df83-b33b940b0000 pid=2964 clone guuid=96156aca-2100-0000-df83-b33b910b0000 pid=2961 /usr/bin/dash guuid=cb0901ca-2100-0000-df83-b33b8f0b0000 pid=2959->guuid=96156aca-2100-0000-df83-b33b910b0000 pid=2961 clone guuid=b75d74ca-2100-0000-df83-b33b920b0000 pid=2962 /usr/bin/dash guuid=cb0901ca-2100-0000-df83-b33b8f0b0000 pid=2959->guuid=b75d74ca-2100-0000-df83-b33b920b0000 pid=2962 clone guuid=a56f88d0-2100-0000-df83-b33b9f0b0000 pid=2975 /tmp/sample.bin zombie guuid=cfe39bca-2100-0000-df83-b33b940b0000 pid=2964->guuid=a56f88d0-2100-0000-df83-b33b9f0b0000 pid=2975 clone guuid=dec590d0-2100-0000-df83-b33ba10b0000 pid=2977 /tmp/sample.bin guuid=a56f88d0-2100-0000-df83-b33b9f0b0000 pid=2975->guuid=dec590d0-2100-0000-df83-b33ba10b0000 pid=2977 clone guuid=2da397d0-2100-0000-df83-b33ba20b0000 pid=2978 /tmp/sample.bin dns net net-scan send-data guuid=dec590d0-2100-0000-df83-b33ba10b0000 pid=2977->guuid=2da397d0-2100-0000-df83-b33ba20b0000 pid=2978 clone d316b2ae-0a7e-5b43-8de6-745900c90c54 127.0.0.1:65535 guuid=2da397d0-2100-0000-df83-b33ba20b0000 pid=2978->d316b2ae-0a7e-5b43-8de6-745900c90c54 con 38a4910e-6f05-5afe-a8e3-398c2eb18329 time.cloudflare.com:123 guuid=2da397d0-2100-0000-df83-b33ba20b0000 pid=2978->38a4910e-6f05-5afe-a8e3-398c2eb18329 send: 48B dd085fdd-4815-5018-bd66-a274b994c9e9 195.154.182.247:31836 guuid=2da397d0-2100-0000-df83-b33ba20b0000 pid=2978->dd085fdd-4815-5018-bd66-a274b994c9e9 con 2caf2f63-ee6d-5fb7-b023-379173067a5c 31.200.249.233:31765 guuid=2da397d0-2100-0000-df83-b33ba20b0000 pid=2978->2caf2f63-ee6d-5fb7-b023-379173067a5c send: 68B b27ba972-b8aa-504c-a87a-6bd6c9d9c17b 84.239.5.171:58418 guuid=2da397d0-2100-0000-df83-b33ba20b0000 pid=2978->b27ba972-b8aa-504c-a87a-6bd6c9d9c17b send: 68B fdebb13e-531b-5abc-94e1-c235ced72d4c 178.162.173.38:58580 guuid=2da397d0-2100-0000-df83-b33ba20b0000 pid=2978->fdebb13e-531b-5abc-94e1-c235ced72d4c send: 68B df7b1dc0-e2dd-544e-8bec-a84f82e9a927 31.200.249.130:31836 guuid=2da397d0-2100-0000-df83-b33ba20b0000 pid=2978->df7b1dc0-e2dd-544e-8bec-a84f82e9a927 send: 68B c4a6f2ba-ed68-50ff-97bf-c94e7f389822 69.50.95.40:58580 guuid=2da397d0-2100-0000-df83-b33ba20b0000 pid=2978->c4a6f2ba-ed68-50ff-97bf-c94e7f389822 send: 68B 51f9c65d-d3b7-58f1-ad3f-3e686420d461 92.44.185.54:58580 guuid=2da397d0-2100-0000-df83-b33ba20b0000 pid=2978->51f9c65d-d3b7-58f1-ad3f-3e686420d461 con d770c3d5-34cc-50ed-bb39-df0e79a18720 84.239.5.171:31715 guuid=2da397d0-2100-0000-df83-b33ba20b0000 pid=2978->d770c3d5-34cc-50ed-bb39-df0e79a18720 send: 68B 417c95e0-6940-5bcf-842e-fcabddef8a1f 178.149.229.167:58580 guuid=2da397d0-2100-0000-df83-b33ba20b0000 pid=2978->417c95e0-6940-5bcf-842e-fcabddef8a1f con guuid=2da397d0-2100-0000-df83-b33ba20b0000 pid=2978|send-data send-data to 290 IP addresses review logs to see them all guuid=2da397d0-2100-0000-df83-b33ba20b0000 pid=2978->guuid=2da397d0-2100-0000-df83-b33ba20b0000 pid=2978|send-data send
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/bee0bee2-3dd2-44a7-b65e-3a77b3e472a1
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.spyw
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1723872
Signature
Connects to many ports of the same IP (likely port scanning)
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Opens /sys/class/net/* files useful for querying network interface information
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample scans a subnet
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1723872 Sample: amd64.elf Startdate: 27/06/2025 Architecture: LINUX Score: 72 38 31.200.249.130, 31854, 59532 NETRACK-ASRU Russian Federation 2->38 40 178.162.174.169, 28003, 6881 LEASEWEB-NL-AMS-01NetherlandsNL Netherlands 2->40 42 102 other IPs or domains 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Connects to many ports of the same IP (likely port scanning) 2->46 48 Sample scans a subnet 2->48 10 amd64.elf 2->10         started        signatures3 process4 process5 12 amd64.elf sh 10->12         started        14 amd64.elf 10->14         started        17 amd64.elf sh 10->17         started        signatures6 19 sh crontab 12->19         started        23 sh 12->23         started        56 Opens /sys/class/net/* files useful for querying network interface information 14->56 58 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->58 25 amd64.elf 14->25         started        27 sh crontab 17->27         started        process7 file8 36 /var/spool/cron/crontabs/tmp.9vCIFC, ASCII 19->36 dropped 50 Sample tries to persist itself using cron 19->50 52 Executes the "crontab" command typically for achieving persistence 19->52 29 sh crontab 23->29         started        32 amd64.elf 25->32         started        signatures9 process10 signatures11 54 Executes the "crontab" command typically for achieving persistence 29->54 34 amd64.elf 32->34         started        process12
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/771a75a5513dee546eec345da1f7428fb5ca6058eb944e48f3bf771987d39c1e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/771a75a5513dee546eec345da1f7428fb5ca6058eb944e48f3bf771987d39c1e/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-06-26 23:06:23 UTC
File Type:
ELF64 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o4nhljkrhxxfi3xmgro2d52cr624uycy5oke4shtx53rtb6ttqpa._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
antivm defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/250626-23lmkazxhs/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Checks CPU configuration
Checks hardware identifiers (DMI)
Creates/modifies Cron job
Enumerates running processes
Reads MAC address of network interface
Reads hardware information
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/269d96f3-d47a-457e-9477-91ee6d04c899
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/771a75a5513dee546eec345da1f7428fb5ca6058eb944e48f3bf771987d39c1e

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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:enterpriseunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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 771a75a5513dee546eec345da1f7428fb5ca6058eb944e48f3bf771987d39c1e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3550686/
  
Delivery method
Distributed via web download

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