Malware Analysis Report

2025-06-16 02:03

Sample ID 250222-ffkabsynhj
Target 98fac33fe4a21a561e3eb1223c5279c94e2dc7522486f4379c524d1124d89f61.elf
SHA256 98fac33fe4a21a561e3eb1223c5279c94e2dc7522486f4379c524d1124d89f61
Tags
upx prometei_elf botnet discovery miner persistence privilege_escalation
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

98fac33fe4a21a561e3eb1223c5279c94e2dc7522486f4379c524d1124d89f61

Threat Level: Known bad

The file 98fac33fe4a21a561e3eb1223c5279c94e2dc7522486f4379c524d1124d89f61.elf was found to be: Known bad.

Malicious Activity Summary

upx prometei_elf botnet discovery miner persistence privilege_escalation

Prometei

Prometei_elf family

Deletes itself

Modifies hosts file

Enumerates running processes

Modifies systemd

Write file to user bin folder

UPX packed file

Reads CPU attributes

Reads runtime system information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-02-22 04:48

Signatures

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-02-22 04:48

Reported

2025-02-22 04:51

Platform

ubuntu1804-amd64-20240611-en

Max time kernel

6s

Max time network

128s

Command Line

[/tmp/98fac33fe4a21a561e3eb1223c5279c94e2dc7522486f4379c524d1124d89f61.elf]

Signatures

Prometei

botnet miner prometei_elf

Prometei_elf family

prometei_elf

Deletes itself

Description Indicator Process Target
N/A N/A /tmp/98fac33fe4a21a561e3eb1223c5279c94e2dc7522486f4379c524d1124d89f61.elf N/A

Modifies hosts file

Description Indicator Process Target
File opened for modification /etc/hosts /tmp/98fac33fe4a21a561e3eb1223c5279c94e2dc7522486f4379c524d1124d89f61.elf N/A

Enumerates running processes

Modifies systemd

persistence privilege_escalation
Description Indicator Process Target
File opened for modification /lib/systemd/system/uplugplay.service /tmp/98fac33fe4a21a561e3eb1223c5279c94e2dc7522486f4379c524d1124d89f61.elf N/A

Write file to user bin folder

persistence
Description Indicator Process Target
File opened for modification /usr/sbin/uplugplay /tmp/98fac33fe4a21a561e3eb1223c5279c94e2dc7522486f4379c524d1124d89f61.elf N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A

Reads CPU attributes

discovery
Description Indicator Process Target
File opened for reading /sys/devices/system/cpu/online /usr/bin/pgrep N/A
File opened for reading /sys/devices/system/cpu/online /usr/bin/pgrep N/A
File opened for reading /sys/devices/system/cpu/online /usr/bin/pgrep N/A

Reads runtime system information

discovery
Description Indicator Process Target
File opened for reading /proc/493/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1013/stat /bin/pidof N/A
File opened for reading /proc/161/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1308/status /usr/bin/pgrep N/A
File opened for reading /proc/1033/status /usr/bin/pgrep N/A
File opened for reading /proc/2/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/81/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/481/stat /bin/pidof N/A
File opened for reading /proc/1033/stat /bin/pidof N/A
File opened for reading /proc/1138/stat /bin/pidof N/A
File opened for reading /proc/28/stat /bin/pidof N/A
File opened for reading /proc/20/stat /bin/pidof N/A
File opened for reading /proc/1499/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/12/stat /bin/pidof N/A
File opened for reading /proc/1308/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/666/status /usr/bin/pgrep N/A
File opened for reading /proc/1183/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/959/cmdline /bin/pidof N/A
File opened for reading /proc/952/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1138/status /usr/bin/pgrep N/A
File opened for reading /proc/1183/stat /bin/pidof N/A
File opened for reading /proc/18/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/170/status /usr/bin/pgrep N/A
File opened for reading /proc/22/status /usr/bin/pgrep N/A
File opened for reading /proc/1066/cmdline /bin/pidof N/A
File opened for reading /proc/1143/cmdline /bin/pidof N/A
File opened for reading /proc/1181/stat /bin/pidof N/A
File opened for reading /proc/1094/stat /bin/pidof N/A
File opened for reading /proc/14/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1474/status /usr/bin/pgrep N/A
File opened for reading /proc/1142/cmdline /bin/pidof N/A
File opened for reading /proc/435/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/473/cmdline /bin/pidof N/A
File opened for reading /proc/1316/stat /bin/pidof N/A
File opened for reading /proc/952/status /usr/bin/pgrep N/A
File opened for reading /proc/713/cmdline /bin/pidof N/A
File opened for reading /proc/162/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1094/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/23/stat /bin/pidof N/A
File opened for reading /proc/1308/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/26/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1253/status /usr/bin/pgrep N/A
File opened for reading /proc/1308/stat /bin/pidof N/A
File opened for reading /proc/473/status /usr/bin/pgrep N/A
File opened for reading /proc/957/status /usr/bin/pgrep N/A
File opened for reading /proc/80/status /usr/bin/pgrep N/A
File opened for reading /proc/3/stat /bin/pidof N/A
File opened for reading /proc/17/status /usr/bin/pgrep N/A
File opened for reading /proc/674/cmdline /bin/pidof N/A
File opened for reading /proc/486/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1183/status /usr/bin/pgrep N/A
File opened for reading /proc/1191/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/244/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/464/status /usr/bin/pgrep N/A
File opened for reading /proc/15/stat /bin/pidof N/A
File opened for reading /proc/1316/cmdline /bin/pidof N/A
File opened for reading /proc/28/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1496/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/84/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/645/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1181/stat /bin/pidof N/A
File opened for reading /proc/1133/cmdline /bin/pidof N/A
File opened for reading /proc/1345/cmdline /bin/pidof N/A
File opened for reading /proc/24/cmdline /usr/bin/pgrep N/A

Processes

/tmp/98fac33fe4a21a561e3eb1223c5279c94e2dc7522486f4379c524d1124d89f61.elf

[/tmp/98fac33fe4a21a561e3eb1223c5279c94e2dc7522486f4379c524d1124d89f61.elf]

/bin/sh

[sh -c pgrep 98fac33fe4a21a561e3eb1223c5279c94e2dc7522486f4379c524d1124d89f61.elf]

/usr/bin/pgrep

[pgrep 98fac33fe4a21a561e3eb1223c5279c94e2dc7522486f4379c524d1124d89f61.elf]

/bin/sh

[sh -c pidof 98fac33fe4a21a561e3eb1223c5279c94e2dc7522486f4379c524d1124d89f61.elf]

/bin/pidof

[pidof 98fac33fe4a21a561e3eb1223c5279c94e2dc7522486f4379c524d1124d89f61.elf]

/bin/sh

[sh -c pgrep uplugplay]

/usr/bin/pgrep

[pgrep uplugplay]

/bin/sh

[sh -c pidof uplugplay]

/bin/pidof

[pidof uplugplay]

/bin/sh

[sh -c pgrep upnpsetup]

/usr/bin/pgrep

[pgrep upnpsetup]

/bin/sh

[sh -c pidof upnpsetup]

/bin/pidof

[pidof upnpsetup]

/bin/sh

[sh -c systemctl daemon-reload]

/bin/systemctl

[systemctl daemon-reload]

/bin/sh

[sh -c systemctl enable uplugplay.service]

/bin/systemctl

[systemctl enable uplugplay.service]

/bin/sh

[sh -c systemctl start uplugplay.service]

/bin/systemctl

[systemctl start uplugplay.service]

Network

Country Destination Domain Proto
GB 185.125.188.62:443 tcp
GB 185.125.188.62:443 tcp
US 151.101.129.91:443 tcp
US 151.101.129.91:443 tcp
GB 195.181.164.19:443 tcp
N/A 224.0.0.251:5353 udp
US 8.8.8.8:53 p3.feefreepool.net udp
DE 88.198.246.242:80 p3.feefreepool.net tcp

Files

memory/1502-1-0x0000000000400000-0x00000000015640f8-memory.dmp

/usr/sbin/uplugplay

MD5 f6b0fe22afc9e030e787ef750d9453f9
SHA1 bedd10372649bbd77a13794dfc372408dfdcd8c3
SHA256 98fac33fe4a21a561e3eb1223c5279c94e2dc7522486f4379c524d1124d89f61
SHA512 51aa207b3563c7537bc907b2e2093e501e548ae38c60333d9ec84a74cc59a59459693506885c2d8115a0f57ec3f500962da50d122c6378e0302114d19d77fd1a

/lib/systemd/system/uplugplay.service

MD5 8ca62d1f47880bce036c2956c9b7b272
SHA1 3bcc3a5c4fcc5b0d08c4524a59f6b8e113b62060
SHA256 c655d3d4e374fad38313ec4262207b2d7d68a870238f203ef3c33f85e66c8e32
SHA512 4cd2d9d67151fa25e833707dee2442c4a5f752053fc2c36ec73c0e2b734c66ca69c63fceb47714d9add5b9fe2eee1e45be5199e2cae7c26173e766b333877da6