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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28fa3e6a072ade46d8b33326c7b5ff415690854461c355c4846c01bb5ddc985a. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 28fa3e6a072ade46d8b33326c7b5ff415690854461c355c4846c01bb5ddc985a
SHA3-384 hash: c26c3d38db7e5ed0e7e5d0ec2d426859678dfb44427b95103e2103a337ad273f41109bb4ac2275008acfdfbdd2e57fff
SHA1 hash: acb101ea6f80ab7254e9f342267d4ea4eb0d8516
MD5 hash: a495d13a7e3588e8d4d20806d3e89edc
humanhash: diet-potato-don-bakerloo
File name:main.x86-core2
Download: download sample
File size:70'440 bytes
First seen:2026-10-12 15:45:56 UTC
Last seen:2026-10-12 20:08:42 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:KQotvnrTvKclV2M3jwdQQ5GAmAnQ4slUElHsyz0sS+RMEeakAhWW/SVyGyeIN+pI:totvr9EQQ5DnXQPjmbW3GyedxyCkUr
TLSH T1C7634A82F553C1B0E19341B00997F7E64531DF32948BEAEAEB997D21FD307824D9262E
telfhash t15131c4b32e705c7cb6d0580ad75b52e3af3ad52395101aba40f22da03bf5c726166d38
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 :
2
# of downloads :
107
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.ELF.Agent-ERA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc rust
Link:
https://www.filescan.io/uploads/6acd00c5945cbecaa732499f/reports/49c32b56-706c-4887-8302-3a3c16bced25/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
16
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/28fa3e6a072ade46d8b33326c7b5ff415690854461c355c4846c01bb5ddc985a
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-10-12T13:57:00Z UTC
Last seen:
2026-10-13T18:21:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/28fa3e6a072ade46d8b33326c7b5ff415690854461c355c4846c01bb5ddc985a/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/0ea46f97-badd-443b-9fa4-3f748b8e4e4e
Behavior Graph:
Download SVG
%3 guuid=d742540a-1700-0000-9dbe-d6f61d0e0000 pid=3613 /usr/bin/sudo guuid=a14c360d-1700-0000-9dbe-d6f6280e0000 pid=3624 /tmp/sample.bin delete-file guuid=d742540a-1700-0000-9dbe-d6f61d0e0000 pid=3613->guuid=a14c360d-1700-0000-9dbe-d6f6280e0000 pid=3624 execve guuid=0e2a830d-1700-0000-9dbe-d6f62a0e0000 pid=3626 /tmp/sample.bin guuid=a14c360d-1700-0000-9dbe-d6f6280e0000 pid=3624->guuid=0e2a830d-1700-0000-9dbe-d6f62a0e0000 pid=3626 clone guuid=4fcac80d-1700-0000-9dbe-d6f62b0e0000 pid=3627 /tmp/sample.bin net send-data zombie guuid=0e2a830d-1700-0000-9dbe-d6f62a0e0000 pid=3626->guuid=4fcac80d-1700-0000-9dbe-d6f62b0e0000 pid=3627 clone 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=4fcac80d-1700-0000-9dbe-d6f62b0e0000 pid=3627->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 32f29f7a-3aae-5874-8f89-5e9cdbb51b0d 94.154.43.12:23 guuid=4fcac80d-1700-0000-9dbe-d6f62b0e0000 pid=3627->32f29f7a-3aae-5874-8f89-5e9cdbb51b0d send: 960B guuid=ae0add0d-1700-0000-9dbe-d6f62c0e0000 pid=3628 /tmp/sample.bin guuid=4fcac80d-1700-0000-9dbe-d6f62b0e0000 pid=3627->guuid=ae0add0d-1700-0000-9dbe-d6f62c0e0000 pid=3628 clone guuid=bb0ae80d-1700-0000-9dbe-d6f62e0e0000 pid=3630 /tmp/sample.bin guuid=4fcac80d-1700-0000-9dbe-d6f62b0e0000 pid=3627->guuid=bb0ae80d-1700-0000-9dbe-d6f62e0e0000 pid=3630 clone
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/2515c28e-d4a3-4978-b725-de1ee229fe07
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.evad
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1986035
Signature
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1986035 Sample: main.x86-core2.elf Startdate: 12/10/2026 Architecture: LINUX Score: 56 42 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->42 44 94.154.43.12, 23, 34626 CDNEXTGB Netherlands 2->44 46 Multi AV Scanner detection for submitted file 2->46 12 main.x86-core2.elf 2->12         started        15 gnome-session-binary sh gsd-rfkill 2->15         started        17 xfce4-panel wrapper-2.0 2->17         started        19 9 other processes 2->19 signatures3 process4 signatures5 50 Sample deletes itself 12->50 21 main.x86-core2.elf 12->21         started        process6 process7 23 main.x86-core2.elf 21->23         started        process8 25 main.x86-core2.elf 23->25         started        28 main.x86-core2.elf bash 23->28         started        signatures9 48 Sample tries to kill multiple processes (SIGKILL) 25->48 30 bash lesspipe 28->30         started        32 bash groups 28->32         started        34 bash dircolors 28->34         started        process10 process11 36 lesspipe 30->36         started        38 lesspipe basename 30->38         started        process12 40 lesspipe dirname 36->40         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/28fa3e6a072ade46d8b33326c7b5ff415690854461c355c4846c01bb5ddc985a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/28fa3e6a072ade46d8b33326c7b5ff415690854461c355c4846c01bb5ddc985a/
Threat name:
Linux.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-10-12 15:46:29 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 38 (28.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fd5d42qhflpenwftgmtmpnp7ifljbbkemhbvlreenqa3wxo4tbna._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery linux
Link:
https://tria.ge/reports/261012-s7qbwaxyav/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Enumerates running processes
Deletes itself
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/28fa3e6a072ade46d8b33326c7b5ff415690854461c355c4846c01bb5ddc985a

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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 28fa3e6a072ade46d8b33326c7b5ff415690854461c355c4846c01bb5ddc985a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3898672/
  
Delivery method
Distributed via web download

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