MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b4073b9c2b3b9bcc56e80b670017a8a7d9bbbe81941e8f8b5469b2474ba18bf. 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 5 File information Comments

SHA256 hash: 4b4073b9c2b3b9bcc56e80b670017a8a7d9bbbe81941e8f8b5469b2474ba18bf
SHA3-384 hash: f345a9659822b48c16501789a74902b4a111cb7436b766ad3f71000fd48bf90396a01ca4cc291ad22b16abed37270802
SHA1 hash: 0066d239108f783f6c635e93ff2bcf10105ee550
MD5 hash: 3956e7058c8a0f0c0f4aef8284dca325
humanhash: quebec-burger-yellow-charlie
File name:amd64
Download: download sample
File size:482'032 bytes
First seen:2025-07-06 22:37:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:iD6LPBCvMk0O9na1M80cLt9i5aIaTtpc4W:2+QGO9naz0Szi5anTtR
TLSH T1ABA41212E290D8FEC4CAC170469FD27BFD767C544234BC6B6298F7322B3AE601B16A55
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 :
13
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
exploit gcc
Status:
terminated
Behavior Graph:
%3 guuid=3ad3b473-1a00-0000-7e61-6fb92e0b0000 pid=2862 /usr/bin/sudo guuid=a415e475-1a00-0000-7e61-6fb9370b0000 pid=2871 /tmp/sample.bin guuid=3ad3b473-1a00-0000-7e61-6fb92e0b0000 pid=2862->guuid=a415e475-1a00-0000-7e61-6fb9370b0000 pid=2871 execve guuid=80481776-1a00-0000-7e61-6fb9390b0000 pid=2873 /usr/bin/dash guuid=a415e475-1a00-0000-7e61-6fb9370b0000 pid=2871->guuid=80481776-1a00-0000-7e61-6fb9390b0000 pid=2873 execve guuid=85594976-1a00-0000-7e61-6fb93a0b0000 pid=2874 /usr/bin/dash guuid=a415e475-1a00-0000-7e61-6fb9370b0000 pid=2871->guuid=85594976-1a00-0000-7e61-6fb93a0b0000 pid=2874 execve guuid=4e7da376-1a00-0000-7e61-6fb93e0b0000 pid=2878 /tmp/sample.bin mprotect-exec zombie guuid=a415e475-1a00-0000-7e61-6fb9370b0000 pid=2871->guuid=4e7da376-1a00-0000-7e61-6fb93e0b0000 pid=2878 clone guuid=9d8e7176-1a00-0000-7e61-6fb93b0b0000 pid=2875 /usr/bin/dash guuid=85594976-1a00-0000-7e61-6fb93a0b0000 pid=2874->guuid=9d8e7176-1a00-0000-7e61-6fb93b0b0000 pid=2875 clone guuid=1b7f7576-1a00-0000-7e61-6fb93c0b0000 pid=2876 /usr/bin/dash guuid=85594976-1a00-0000-7e61-6fb93a0b0000 pid=2874->guuid=1b7f7576-1a00-0000-7e61-6fb93c0b0000 pid=2876 clone guuid=efd1c27e-1a00-0000-7e61-6fb9530b0000 pid=2899 /tmp/sample.bin zombie guuid=4e7da376-1a00-0000-7e61-6fb93e0b0000 pid=2878->guuid=efd1c27e-1a00-0000-7e61-6fb9530b0000 pid=2899 clone guuid=c28acd7e-1a00-0000-7e61-6fb9540b0000 pid=2900 /tmp/sample.bin guuid=efd1c27e-1a00-0000-7e61-6fb9530b0000 pid=2899->guuid=c28acd7e-1a00-0000-7e61-6fb9540b0000 pid=2900 clone guuid=32f2d37e-1a00-0000-7e61-6fb9550b0000 pid=2901 /tmp/sample.bin dns net net-scan send-data guuid=c28acd7e-1a00-0000-7e61-6fb9540b0000 pid=2900->guuid=32f2d37e-1a00-0000-7e61-6fb9550b0000 pid=2901 clone d316b2ae-0a7e-5b43-8de6-745900c90c54 127.0.0.1:65535 guuid=32f2d37e-1a00-0000-7e61-6fb9550b0000 pid=2901->d316b2ae-0a7e-5b43-8de6-745900c90c54 con 38a4910e-6f05-5afe-a8e3-398c2eb18329 time.cloudflare.com:123 guuid=32f2d37e-1a00-0000-7e61-6fb9550b0000 pid=2901->38a4910e-6f05-5afe-a8e3-398c2eb18329 send: 48B df9717ea-8b6a-5d05-a210-1659557c1ef6 31.200.249.227:31799 guuid=32f2d37e-1a00-0000-7e61-6fb9550b0000 pid=2901->df9717ea-8b6a-5d05-a210-1659557c1ef6 send: 68B e41dcc10-2e74-5f0b-81fc-c4b1ebafb1fc 159.65.200.220:6813 guuid=32f2d37e-1a00-0000-7e61-6fb9550b0000 pid=2901->e41dcc10-2e74-5f0b-81fc-c4b1ebafb1fc con 494a5a46-7a60-5bd9-bf09-d7cbb3277389 31.200.249.162:31796 guuid=32f2d37e-1a00-0000-7e61-6fb9550b0000 pid=2901->494a5a46-7a60-5bd9-bf09-d7cbb3277389 send: 68B 2d97d39c-98f0-572e-a1e7-297f80d1ad5d 79.100.237.198:48461 guuid=32f2d37e-1a00-0000-7e61-6fb9550b0000 pid=2901->2d97d39c-98f0-572e-a1e7-297f80d1ad5d send: 68B f58971e1-c25a-5266-b420-718501f3f010 159.65.200.220:6812 guuid=32f2d37e-1a00-0000-7e61-6fb9550b0000 pid=2901->f58971e1-c25a-5266-b420-718501f3f010 send: 68B 072f7163-4551-5b59-9c90-2ebaada8be55 191.96.150.115:34502 guuid=32f2d37e-1a00-0000-7e61-6fb9550b0000 pid=2901->072f7163-4551-5b59-9c90-2ebaada8be55 send: 68B cd606599-4cb0-55c6-95a7-01669776cd19 191.96.150.115:46539 guuid=32f2d37e-1a00-0000-7e61-6fb9550b0000 pid=2901->cd606599-4cb0-55c6-95a7-01669776cd19 send: 68B 8f8de251-537e-5b16-882d-a27d1ded5892 159.65.200.220:6816 guuid=32f2d37e-1a00-0000-7e61-6fb9550b0000 pid=2901->8f8de251-537e-5b16-882d-a27d1ded5892 send: 68B c0a517b2-eeee-5cac-abbb-2448726b1d2a 159.65.200.220:6818 guuid=32f2d37e-1a00-0000-7e61-6fb9550b0000 pid=2901->c0a517b2-eeee-5cac-abbb-2448726b1d2a con 6dfebee2-e48f-5ec3-b15e-47c66ad1063f 116.203.102.228:6812 guuid=32f2d37e-1a00-0000-7e61-6fb9550b0000 pid=2901->6dfebee2-e48f-5ec3-b15e-47c66ad1063f send: 68B 4e712dc6-5c3c-5214-968b-56bc22dfac6f 159.65.200.220:1 guuid=32f2d37e-1a00-0000-7e61-6fb9550b0000 pid=2901->4e712dc6-5c3c-5214-968b-56bc22dfac6f con 0f567adc-fbaf-5528-a2a2-f52bf2b03a1b 88.241.187.51:48461 guuid=32f2d37e-1a00-0000-7e61-6fb9550b0000 pid=2901->0f567adc-fbaf-5528-a2a2-f52bf2b03a1b con 6bfaad35-dfb6-5c04-bd0d-052b596438df 116.203.102.228:1 guuid=32f2d37e-1a00-0000-7e61-6fb9550b0000 pid=2901->6bfaad35-dfb6-5c04-bd0d-052b596438df con guuid=32f2d37e-1a00-0000-7e61-6fb9550b0000 pid=2901|send-data send-data to 319 IP addresses review logs to see them all guuid=32f2d37e-1a00-0000-7e61-6fb9550b0000 pid=2901->guuid=32f2d37e-1a00-0000-7e61-6fb9550b0000 pid=2901|send-data send
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw
Score:
68 / 100
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 tries to persist itself using cron
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1729639 Sample: amd64.elf Startdate: 07/07/2025 Architecture: LINUX Score: 68 38 168.90.58.73, 50512 ZAAPNETTELECOMUNICACOESBR Brazil 2->38 40 94.230.82.139, 7406 XFONEIL Israel 2->40 42 101 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 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        54 Opens /sys/class/net/* files useful for querying network interface information 14->54 56 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->56 25 amd64.elf 14->25         started        27 sh crontab 17->27         started        process7 file8 36 /var/spool/cron/crontabs/tmp.QgGCwK, ASCII 19->36 dropped 48 Sample tries to persist itself using cron 19->48 50 Executes the "crontab" command typically for achieving persistence 19->50 29 sh crontab 23->29         started        32 amd64.elf 25->32         started        signatures9 process10 signatures11 52 Executes the "crontab" command typically for achieving persistence 29->52 34 amd64.elf 32->34         started        process12
Threat name:
Linux.Trojan.Multiverze
Status:
Malicious
First seen:
2025-07-06 22:38:09 UTC
File Type:
ELF64 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
antivm defense_evasion discovery execution linux persistence privilege_escalation
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
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:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:enterpriseunix2
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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 4b4073b9c2b3b9bcc56e80b670017a8a7d9bbbe81941e8f8b5469b2474ba18bf

(this sample)

  
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