MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1b0769f584253ae7aa17d479d2a598e65637b4903eeafdfe84d782b1db3245e. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: a1b0769f584253ae7aa17d479d2a598e65637b4903eeafdfe84d782b1db3245e
SHA3-384 hash: 4880411095450376dd24e09ba4f516dd5c0913a43b5280b184b9509f58f2ad67cae143eb33264755a980c88d68d7e630
SHA1 hash: 91630e7e25d278116443d5f1005a6fbf4cf93d53
MD5 hash: f31e0b0dd29c0e2150540191e562f5a7
humanhash: carbon-maine-oven-carpet
File name:arm7
Download: download sample
File size:1'829'108 bytes
First seen:2024-10-28 18:23:16 UTC
Last seen:2024-10-28 22:18:24 UTC
File type: elf
MIME type:application/x-executable
ssdeep 49152:TjxXQxARBnYMRCigMi0/OinWyoq/GDF6HbiJ:BXmARBml0mC7oiGB6G
TLSH T1F68533F5AACE3B819334E77DC7403EBA189301275ED81F09823A39E041E65B79F97586
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 :
3
# of downloads :
2'430
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug chacha monero obfuscated packed rijndael upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
SUSPICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
76 / 100
Signature
Drops files in suspicious directories
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Writes identical ELF files to multiple locations
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1544074 Sample: arm7.elf Startdate: 28/10/2024 Architecture: LINUX Score: 76 81 j.xuanxuan1997.com 93.123.109.118, 1127, 43498 SARNICA-ASBG Bulgaria 2->81 83 www.google.com 2->83 85 Multi AV Scanner detection for submitted file 2->85 87 Sample is packed with UPX 2->87 11 arm7.elf 2->11         started        13 systemd cron 2->13         started        15 systemd cron 2->15         started        17 5 other processes 2->17 signatures3 process4 process5 19 arm7.elf arm7.elf 11->19         started        23 cron 13->23         started        25 cron 15->25         started        file6 71 /usr/lib/system.mark, ELF 19->71 dropped 73 /usr/lib/libgdi.so.0.8.2, ELF 19->73 dropped 75 /etc/profile.d/gateway.sh, Bourne-Again 19->75 dropped 77 48 other files (47 malicious) 19->77 dropped 89 Sample tries to set files in /etc globally writable 19->89 91 Writes identical ELF files to multiple locations 19->91 93 Sample tries to persist itself using /etc/profile 19->93 95 Drops files in suspicious directories 19->95 27 arm7.elf bash 19->27         started        31 arm7.elf update-rc.d 19->31         started        33 arm7.elf service systemctl 19->33         started        39 4 other processes 19->39 35 cron sh 23->35         started        37 cron sh 25->37         started        signatures7 process8 file9 79 /etc/crontab, ASCII 27->79 dropped 97 Sample tries to persist itself using cron 27->97 99 Sample tries to persist itself using System V runlevels 31->99 41 update-rc.d systemctl 31->41         started        43 service 33->43         started        55 3 other processes 33->55 45 sh .mod 35->45         started        47 sh .mod 37->47         started        49 bash systemctl 39->49         started        51 bash systemctl 39->51         started        53 bash systemctl 39->53         started        57 4 other processes 39->57 signatures10 process11 process12 59 service systemctl 43->59         started        61 service sed 43->61         started        63 .mod libgdi.so.0.8.2 45->63         started        65 .mod libgdi.so.0.8.2 47->65         started        process13 67 libgdi.so.0.8.2 libgdi.so.0.8.2 63->67         started        69 libgdi.so.0.8.2 libgdi.so.0.8.2 65->69         started       
Threat name:
Linux.Trojan.Kaiji
Status:
Malicious
First seen:
2024-10-28 18:24:06 UTC
File Type:
ELF32 Little (Exe)
AV detection:
7 of 38 (18.42%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery persistence privilege_escalation upx
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Modifies Bash startup script
Creates/modifies environment variables
Modifies init.d
Modifies Watchdog functionality
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
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:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

elf a1b0769f584253ae7aa17d479d2a598e65637b4903eeafdfe84d782b1db3245e

(this sample)

  
Delivery method
Distributed via web download

Comments