MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 638108aef7350f22e4fd02eb9758d396f8c481e6e1f3605e18e5bb4600f8d732. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments

SHA256 hash: 638108aef7350f22e4fd02eb9758d396f8c481e6e1f3605e18e5bb4600f8d732
SHA3-384 hash: 35f25b0a2eb928b850732185f360b90a840a19607e9613f52c38fa8228a08522923a5df7215ee8dd0b9bb5aaa2355699
SHA1 hash: e7473e06bc476a04699bfb8019cd64e6e0867717
MD5 hash: 2ff3521bec9daba0b84b2256da86917d
humanhash: papa-lion-lemon-butter
File name:arm926t
Download: download sample
File size:480'792 bytes
First seen:2025-07-05 04:42:01 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:ndLGtVtlmIHk6Rtx02O6R+9X8C5SGEzf:pGntlzJx02O6E9X8XG
TLSH T1A0A40294E9819B62C2C801BFFF0F45BC77A31F69E1EA71068D16EB1662D745A4F7E400
telfhash t186c08c8c0fd401beba7d72a203bef2bf61a072f0be0224920404eb6f074c584028144c
Magika elf
Reporter abuse_ch
Tags:elf

Intelligence


File Origin
# of uploads :
1
# of downloads :
10
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Locks files
Creates directories
Creating a process from a recently created file
Opens a port
Creating a file in the %temp% directory
Collects information on the CPU
Launching a process
DNS request
Connection attempt
Runs as daemon
Changes access rights for a written file
Creating a file
Sends data to a server
Changes the time when the file was created, accessed, or modified
Creates or modifies files in /cron to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
exploit gcc lolbin remote
Status:
terminated
Behavior Graph:
%3 guuid=9ac0d4f3-1800-0000-8119-d94b53090000 pid=2387 /usr/bin/sudo guuid=342933f7-1800-0000-8119-d94b55090000 pid=2389 /tmp/sample.bin guuid=9ac0d4f3-1800-0000-8119-d94b53090000 pid=2387->guuid=342933f7-1800-0000-8119-d94b55090000 pid=2389 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw
Score:
64 / 100
Signature
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: 1729088 Sample: arm926t.elf Startdate: 05/07/2025 Architecture: LINUX Score: 64 42 220.90.248.176, 33118, 6881 WOOSONGEDUWooSongUniversityKR Korea Republic of 2->42 44 204.12.208.37, 6881 WIIUS United States 2->44 46 102 other IPs or domains 2->46 54 Multi AV Scanner detection for submitted file 2->54 10 arm926t.elf configuration 2->10         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 process4 process5 16 arm926t.elf sh 10->16         started        18 configuration 10->18         started        21 arm926t.elf sh 10->21         started        signatures6 23 sh crontab 16->23         started        27 sh 16->27         started        50 Opens /sys/class/net/* files useful for querying network interface information 18->50 52 Sample reads /proc/mounts (often used for finding a writable filesystem) 18->52 29 configuration 18->29         started        31 sh crontab 21->31         started        process7 file8 40 /var/spool/cron/crontabs/tmp.9BqfHP, ASCII 23->40 dropped 56 Sample tries to persist itself using cron 23->56 58 Executes the "crontab" command typically for achieving persistence 23->58 33 sh crontab 27->33         started        36 configuration 29->36         started        signatures9 process10 signatures11 48 Executes the "crontab" command typically for achieving persistence 33->48 38 configuration 36->38         started        process12
Threat name:
Linux.Trojan.SAgnt
Status:
Malicious
First seen:
2025-07-05 04:42:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery execution 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
Renames itself
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: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 638108aef7350f22e4fd02eb9758d396f8c481e6e1f3605e18e5bb4600f8d732

(this sample)

  
Delivery method
Distributed via web download

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