MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c91cd7950f0a2093276e02129ca959e8a88f6d54ac57ee9ea1a648cf37b9e516. 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 4 File information Comments

SHA256 hash: c91cd7950f0a2093276e02129ca959e8a88f6d54ac57ee9ea1a648cf37b9e516
SHA3-384 hash: 3a62860de50b8e38de387a06d62491bebd547c465ae5365bba27fc2e7017b230ae5b0f75f91fdbfd9cc73c1c51c9424b
SHA1 hash: b6615c14c79e3427983c6373963c12359bb11eaf
MD5 hash: c6e92558e4cca13371cf7d72fa952f57
humanhash: carolina-texas-muppet-yellow
File name:arm926t
Download: download sample
File size:480'792 bytes
First seen:2025-07-08 11:09:51 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:ndLGtVtlmIHk6Rtx02O6R+9X8C5SGEzf:pGntlzJx02O6E9X8XG
TLSH T199A40294E9819B62C2C801BFFF0F45BC77A31F69E1EA71068D16EB1662D745A4F7E800
telfhash t186c08c8c0fd401beba7d72a203bef2bf61a072f0be0224920404eb6f074c584028144c
Magika elf
Reporter abuse_ch
Tags:elf

Intelligence


File Origin
# of uploads :
1
# of downloads :
14
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Locks files
Creates directories
Changes the time when the file was created, accessed, or modified
Creating a process from a recently created file
Opens a port
Creating a file in the %temp% directory
Collects information on the CPU
DNS request
Launching a process
Runs as daemon
Creating a file
Changes access rights for a written file
Sends data to a server
Connection attempt
Creates or modifies files in /cron to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
exploit gcc
Status:
terminated
Behavior Graph:
%3 guuid=559f5677-1800-0000-a4cb-7e25a30c0000 pid=3235 /usr/bin/sudo guuid=b2765d79-1800-0000-a4cb-7e25a70c0000 pid=3239 /tmp/sample.bin guuid=559f5677-1800-0000-a4cb-7e25a30c0000 pid=3235->guuid=b2765d79-1800-0000-a4cb-7e25a70c0000 pid=3239 execve
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: 1730815 Sample: arm926t.elf Startdate: 08/07/2025 Architecture: LINUX Score: 68 38 31.200.249.162, 31946, 60234 NETRACK-ASRU Russian Federation 2->38 40 115.131.89.132, 6881 VODAFONE-AS-APVodafoneAustraliaPtyLtdAU Australia 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 10 arm926t.elf configuration 2->10         started        signatures3 process4 process5 12 arm926t.elf sh 10->12         started        14 configuration 10->14         started        17 arm926t.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 configuration 14->25         started        27 sh crontab 17->27         started        process7 file8 36 /var/spool/cron/crontabs/tmp.vmNNXi, 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 configuration 25->32         started        signatures9 process10 signatures11 52 Executes the "crontab" command typically for achieving persistence 29->52 34 configuration 32->34         started        process12
Threat name:
Linux.Trojan.SAgnt
Status:
Malicious
First seen:
2025-07-08 11:10:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 38 (55.26%)
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 c91cd7950f0a2093276e02129ca959e8a88f6d54ac57ee9ea1a648cf37b9e516

(this sample)

  
Delivery method
Distributed via web download

Comments