MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7cc8f5754016a855881f79245d3ab130e50fcb5ceddb223337e768ccfdd44f8. 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: 5


Intelligence 5 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b7cc8f5754016a855881f79245d3ab130e50fcb5ceddb223337e768ccfdd44f8
SHA3-384 hash: 293e542bf5c3fc7bb8f29c2dac3c9b041bc04f69405365bba71554757a5b6ef55b70758d29b54774bd28b774eadaa1aa
SHA1 hash: 2c6eb2041ea2c7f0dad890f34b1322b51306bb9f
MD5 hash: 9b90a7bed31bbdb994baadf4b51dc07f
humanhash: bluebird-montana-muppet-bluebird
File name:2222.elf
Download: download sample
File size:4'442'423 bytes
First seen:2025-12-30 03:40:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 49152:InxlNd+v5bEgOUgWD14cO3TIF4Grb/TVvO90dL3BmAFd4A64nsfJxYtcJYDgi1/a:Inj+BuJTyYA3ynsATW8
TLSH T19B264A07BC8154ACD1FE823188A962B57B287949572023CF1BA196FD1FE67E80F793D4
telfhash t125e263456cf11e0669ca13b7ac3804c5137ff05f25197a647e29c7792aae48c253bb3b
gimphash cd1197f81efd5e84a2bb627cd9c496f5c7a42c3b9f4de05793af0c09314d258b
Magika elf
Reporter BastianHein
Tags:CVE-2021-4034 elf

Intelligence

File Origin
# of uploads :
1
# of downloads :
43
Origin country :
CL CL
Vendor Threat Intelligence
No detections
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-12-28T23:30:00Z UTC
Last seen:
2025-12-29T16:09:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b7cc8f5754016a855881f79245d3ab130e50fcb5ceddb223337e768ccfdd44f8/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/aaab1a50-33f7-4914-9047-9b2de813a700
Behavior Graph:
Download SVG
%3 guuid=4af2e582-1600-0000-1ac2-e0fb590d0000 pid=3417 /usr/bin/sudo guuid=55e7e784-1600-0000-1ac2-e0fb600d0000 pid=3424 /tmp/sample.bin write-file guuid=4af2e582-1600-0000-1ac2-e0fb590d0000 pid=3417->guuid=55e7e784-1600-0000-1ac2-e0fb600d0000 pid=3424 execve guuid=55e7e784-1600-0000-1ac2-e0fb600d0000 pid=3437 /tmp/sample.bin guuid=55e7e784-1600-0000-1ac2-e0fb600d0000 pid=3424->guuid=55e7e784-1600-0000-1ac2-e0fb600d0000 pid=3437 clone guuid=55e7e784-1600-0000-1ac2-e0fb600d0000 pid=3438 /tmp/sample.bin guuid=55e7e784-1600-0000-1ac2-e0fb600d0000 pid=3424->guuid=55e7e784-1600-0000-1ac2-e0fb600d0000 pid=3438 clone guuid=55e7e784-1600-0000-1ac2-e0fb600d0000 pid=3439 /tmp/sample.bin guuid=55e7e784-1600-0000-1ac2-e0fb600d0000 pid=3424->guuid=55e7e784-1600-0000-1ac2-e0fb600d0000 pid=3439 clone guuid=55e7e784-1600-0000-1ac2-e0fb600d0000 pid=3440 /tmp/sample.bin guuid=55e7e784-1600-0000-1ac2-e0fb600d0000 pid=3424->guuid=55e7e784-1600-0000-1ac2-e0fb600d0000 pid=3440 clone guuid=55e7e784-1600-0000-1ac2-e0fb600d0000 pid=3441 /tmp/sample.bin guuid=55e7e784-1600-0000-1ac2-e0fb600d0000 pid=3424->guuid=55e7e784-1600-0000-1ac2-e0fb600d0000 pid=3441 clone
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ab6f44b9-9ac1-4fbd-8e55-cad3e28cd9df
Score:
83%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b7cc8f5754016a855881f79245d3ab130e50fcb5ceddb223337e768ccfdd44f8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b7cc8f5754016a855881f79245d3ab130e50fcb5ceddb223337e768ccfdd44f8/
Threat name:
Linux.Exploit.CVE-2021-4034
Create hunting rule
Status:
Malicious
First seen:
2025-12-29 04:15:26 UTC
File Type:
ELF64 Little (Exe)
AV detection:
11 of 36 (30.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w7gi6v2uafvikweb66jelu5lcmhfb7fvz3o3eiztpz3izt65it4a._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery linux
Link:
https://tria.ge/reports/251230-d8cpva1rds/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Uses Polkit to run commands
Verdict:
Unknown
Tags:
exploit
YARA:
Linux_Exploit_CVE_2021_4034_1c8f235d
Link:
https://app.threat.zone/submission/0293e2b9-d122-45bb-b276-1d38ef5e9cee
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/b7cc8f5754016a855881f79245d3ab130e50fcb5ceddb223337e768ccfdd44f8

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_duffcopy_amd64
Create hunting rule
Rule name:Golang_Find_CSC846
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:Linux_Exploit_CVE_2021_4034_1c8f235d
Create hunting rule
Author:Elastic Security
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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.

Comments