File name:

memfd

Full analysis: https://app.any.run/tasks/dbabae16-d045-4c75-9d8c-6037fe7ae663
Verdict: Malicious activity
Analysis date: April 24, 2025, 01:57:02
OS: Ubuntu 22.04.2
MIME: application/x-executable
File info: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), statically linked, stripped
MD5:

FE312A5E74F3AD28FA93DEE492BEE5E7

SHA1:

F0CBA9ECF26C7012890B57E6505450CF23323906

SHA256:

2C44064F1023A85317080D771B05F2378438832C3B3FD670E982BC8676ADC808

SSDEEP:

98304:usWwKbMUK4prNGsjO75qiK0aOhjE5IoW3pPcze4ZSCQ/Evp:3xsB

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

  • MALICIOUS

    No malicious indicators.

  • SUSPICIOUS

    • Reads profile file

      • memfd.elf (PID: 40661)

    • Executes commands using command-line interpreter

      • sudo (PID: 40660)

    • Connects to unusual port

      • memfd.elf (PID: 40661)

    • Modifies file or directory owner

      • sudo (PID: 40657)

    • Reads passwd file

      • memfd.elf (PID: 40661)

  • INFO

    No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.o | ELF Executable and Linkable format (generic) (49.8)

EXIF

EXE

CPUArchitecture: 64 bit
CPUByteOrder: Little endian
ObjectFileType: Executable file
CPUType: AMD x86-64
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
232
Monitored processes
12
Malicious processes
0
Suspicious processes
1

Behavior graph

Click at the process to see the details
start dash no specs sudo no specs chown no specs chmod no specs sudo no specs memfd.elf locale-check no specs bash no specs mesg no specs dash no specs tr no specs cat no specs

Process information

PID
CMD
Path
Indicators
Parent process
40656/bin/sh -c "sudo chown user /tmp/memfd\.elf && chmod +x /tmp/memfd\.elf && DISPLAY=:0 sudo -i /tmp/memfd\.elf "/usr/bin/dash—any-guest-agent
User:
user
Integrity Level:
UNKNOWN
40657sudo chown user /tmp/memfd.elf/usr/bin/sudo—dash
User:
root
Integrity Level:
UNKNOWN
Exit code:
0
40658chown user /tmp/memfd.elf/usr/bin/chown—sudo
User:
root
Integrity Level:
UNKNOWN
Exit code:
0
40659chmod +x /tmp/memfd.elf/usr/bin/chmod—dash
User:
user
Integrity Level:
UNKNOWN
Exit code:
0
40660sudo -i /tmp/memfd.elf/usr/bin/sudo—dash
User:
root
Integrity Level:
UNKNOWN
40661/tmp/memfd.elf/tmp/memfd.elf
sudo
User:
root
Integrity Level:
UNKNOWN
40662/usr/bin/locale-check C.UTF-8/usr/bin/locale-check—memfd.elf
User:
root
Integrity Level:
UNKNOWN
Exit code:
0
40663-bash --login -c \/tmp\/memfd\.elf/usr/bin/bash—memfd.elf
User:
root
Integrity Level:
UNKNOWN
Exit code:
0
40664sh -c "cat /usr/etc/debuginfod/*\.urls 2>/dev/null"/usr/bin/dash—bash
User:
root
Integrity Level:
UNKNOWN
Exit code:
256
40665tr \n " "/usr/bin/tr—bash
User:
root
Integrity Level:
UNKNOWN
Exit code:
0
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

No data
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
9
DNS requests
10
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
—
—
GET
204
185.125.190.17:80
http://connectivity-check.ubuntu.com/
unknown
—
—
whitelisted
488
NetworkManager
GET
204
185.125.190.96:80
http://connectivity-check.ubuntu.com/
unknown
—
—
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
—
—
185.125.190.49:80
connectivity-check.ubuntu.com
Canonical Group Limited
GB
whitelisted
484
avahi-daemon
224.0.0.251:5353
—
—
—
unknown
—
—
185.125.190.17:80
connectivity-check.ubuntu.com
Canonical Group Limited
GB
whitelisted
40661
memfd.elf
47.106.208.123:8890
—
Hangzhou Alibaba Advertising Co.,Ltd.
CN
unknown
512
snapd
185.125.188.58:443
api.snapcraft.io
Canonical Group Limited
GB
whitelisted
488
NetworkManager
185.125.190.96:80
connectivity-check.ubuntu.com
Canonical Group Limited
GB
whitelisted

DNS requests

Domain
IP
Reputation
google.com
  • 142.250.186.78
  • 2a00:1450:4001:830::200e
whitelisted
4.100.168.192.in-addr.arpa
  • —
unknown
connectivity-check.ubuntu.com
  • 2620:2d:4000:1::2b
  • 2620:2d:4000:1::98
  • 2620:2d:4000:1::97
  • 2001:67c:1562::24
  • 2620:2d:4000:1::23
  • 2620:2d:4000:1::22
  • 2620:2d:4002:1::196
  • 2620:2d:4002:1::198
  • 2620:2d:4002:1::197
  • 2620:2d:4000:1::96
  • 2620:2d:4000:1::2a
  • 2001:67c:1562::23
  • 185.125.190.96
  • 185.125.190.98
  • 185.125.190.48
  • 91.189.91.98
  • 91.189.91.48
  • 91.189.91.97
  • 185.125.190.17
  • 185.125.190.49
  • 185.125.190.97
  • 185.125.190.18
  • 91.189.91.49
  • 91.189.91.96
whitelisted
api.snapcraft.io
  • 185.125.188.58
  • 185.125.188.54
  • 185.125.188.59
  • 185.125.188.55
  • 2620:2d:4000:1010::344
  • 2620:2d:4000:1010::117
  • 2620:2d:4000:1010::42
  • 2620:2d:4000:1010::6d
whitelisted

Threats

No threats detected
No debug info